--- /dev/null
+C*********************************************************************
+C*********************************************************************
+C* **
+C* March 1997 **
+C* **
+C* The Lund Monte Carlo for Hadronic Processes **
+C* **
+C* PYTHIA version 6.1 **
+C* **
+C* Torbjorn Sjostrand **
+C* Department of Theoretical Physics 2 **
+C* Lund University **
+C* Solvegatan 14A, S-223 62 Lund, Sweden **
+C* phone +46 - 46 - 222 48 16 **
+C* E-mail torbjorn@thep.lu.se **
+C* **
+C* SUSY parts by **
+C* Stephen Mrenna **
+C* Physics Department, UC Davis **
+C* One Shields Avenue, Davis, CA 95616, USA **
+C* phone + 1 - 530 - 752 - 2661 **
+C* E-mail mrenna@physics.ucdavis.edu **
+C* **
+C* Several parts are written by Hans-Uno Bengtsson **
+C* PYSHOW is written together with Mats Bengtsson **
+C* advanced popcorn baryon production written by Patrik Eden **
+C* code for virtual photons mainly written by Christer Friberg **
+C* code for low-mass strings mainly written by Emanuel Norrbin **
+C* Bose-Einstein code mainly written by Leif Lonnblad **
+C* CTEQ parton distributions are by the CTEQ collaboration **
+C* GRV 94 parton distributions are by Glueck, Reya and Vogt **
+C* SaS photon parton distributions together with Gerhard Schuler **
+C* g + g and q + qbar -> t + tbar + H code by Zoltan Kunszt **
+C* MSSM Higgs mass calculation code by M. Carena, **
+C* J.R. Espinosa, M. Quiros and C.E.M. Wagner **
+C* PYGAUS adapted from CERN library (K.S. Kolbig) **
+C* **
+C* The latest program version and documentation is found on WWW **
+C* http://www.thep.lu.se/~torbjorn/Pythia.html **
+C* **
+C* Copyright Torbjorn Sjostrand, Lund 1997 **
+C* **
+C*********************************************************************
+C*********************************************************************
+C *
+C List of subprograms in order of appearance, with main purpose *
+C (S = subroutine, F = function, B = block data) *
+C *
+C B PYDATA to contain all default values *
+C S PYTEST to test the proper functioning of the package *
+C S PYHEPC to convert between /PYJETS/ and /HEPEVT/ records *
+C *
+C S PYINIT to administer the initialization procedure *
+C S PYEVNT to administer the generation of an event *
+C S PYSTAT to print cross-section and other information *
+C S PYINRE to initialize treatment of resonances *
+C S PYINBM to read in beam, target and frame choices *
+C S PYINKI to initialize kinematics of incoming particles *
+C S PYINPR to set up the selection of included processes *
+C S PYXTOT to give total, elastic and diffractive cross-sect. *
+C S PYMAXI to find differential cross-section maxima *
+C S PYPILE to select multiplicity of pileup events *
+C S PYSAVE to save alternatives for gamma-p and gamma-gamma *
+C S PYGAGA to handle lepton -> lepton + gamma branchings *
+C S PYRAND to select subprocess and kinematics for event *
+C S PYSCAT to set up kinematics and colour flow of event *
+C S PYSSPA to simulate initial state spacelike showers *
+C S PYRESD to perform resonance decays *
+C S PYMULT to generate multiple interactions *
+C S PYREMN to add on target remnants *
+C S PYDIFF to set up kinematics for diffractive events *
+C S PYDISG to set up kinematics, remnant and showers for DIS *
+C S PYDOCU to compute cross-sections and handle documentation *
+C S PYFRAM to perform boosts between different frames *
+C S PYWIDT to calculate full and partial widths of resonances *
+C S PYOFSH to calculate partial width into off-shell channels *
+C S PYRECO to handle colour reconnection in W+W- events *
+C S PYKLIM to calculate borders of allowed kinematical region *
+C S PYKMAP to construct value of kinematical variable *
+C S PYSIGH to calculate differential cross-sections *
+C S PYPDFU to evaluate parton distributions *
+C S PYPDFL to evaluate parton distributions at low x and Q^2 *
+C S PYPDEL to evaluate electron parton distributions *
+C S PYPDGA to evaluate photon parton distributions (generic) *
+C S PYGGAM to evaluate photon parton distributions (SaS sets) *
+C S PYGVMD to evaluate VMD part of photon parton distributions *
+C S PYGANO to evaluate anomalous part of photon pdf's *
+C S PYGBEH to evaluate Bethe-Heitler part of photon pdf's *
+C S PYGDIR to evaluate direct contribution to photon pdf's *
+C S PYPDPI to evaluate pion parton distributions *
+C S PYPDPR to evaluate proton parton distributions *
+C F PYCTEQ to evaluate the CTEQ 3 proton parton distributions *
+C S PYGRVL to evaluate the GRV 94L proton parton distributions *
+C S PYGRVM to evaluate the GRV 94M proton parton distributions *
+C S PYGRVD to evaluate the GRV 94D proton parton distributions *
+C F PYGRVV auxiliary to the PYGRV* routines *
+C F PYGRVW auxiliary to the PYGRV* routines *
+C F PYGRVS auxiliary to the PYGRV* routines *
+C F PYCT5L to evaluate the CTEQ 5L proton parton distributions *
+C F PYCT5M to evaluate the CTEQ 5M1 proton parton distributions *
+C S PYPDPO to evaluate old proton parton distributions *
+C F PYHFTH to evaluate threshold factor for heavy flavour *
+C S PYSPLI to find flavours left in hadron when one removed *
+C F PYGAMM to evaluate ordinary Gamma function Gamma(x) *
+C S PYWAUX to evaluate auxiliary functions W1(s) and W2(s) *
+C S PYI3AU to evaluate auxiliary function I3(s,t,u,v) *
+C F PYSPEN to evaluate Spence (dilogarithm) function Sp(x) *
+C S PYQQBH to evaluate matrix element for g + g -> Q + Qbar + H *
+C *
+C S PYMSIN to initialize the supersymmetry simulation *
+C S PYAPPS to determine MSSM parameters from SUGRA input *
+C F PYRNMQ to determine running quark masses *
+C F PYRNMT to determine running top mass *
+C S PYTHRG to calculate sfermion third-gen. mass eigenstates *
+C S PYINOM to calculate neutralino/chargino mass eigenstates *
+C F PYRNM3 to determine running M3, gluino mass *
+C S PYEIG4 to calculate eigenvalues and -vectors in 4*4 matrix *
+C S PYHGGM to determine Higgs mass spectrum *
+C S PYSUBH to determine Higgs masses in the MSSM *
+C S PYPOLE to determine Higgs masses in the MSSM *
+C S PYVACU to determine Higgs masses in the MSSM *
+C S PYRGHM auxiliary to PYVACU *
+C S PYGFXX auxiliary to PYRGHM *
+C F PYFINT auxiliary to PYVACU *
+C F PYFISB auxiliary to PYFINT *
+C S PYSFDC to calculate sfermion decay partial widths *
+C S PYGLUI to calculate gluino decay partial widths *
+C S PYTBBN to calculate 3-body decay of gluino to neutralino *
+C S PYTBBC to calculate 3-body decay of gluino to chargino *
+C S PYNJDC to calculate neutralino decay partial widths *
+C S PYCJDC to calculate chargino decay partial widths *
+C F PYXXZ5 auxiliary for neutralino 3-body decay *
+C F PYXXW5 auxiliary for ino charge change 3-body decay *
+C F PYXXGA auxiliary for ino -> ino + gamma decay *
+C F PYX2XG auxiliary for ino -> ino + gauge boson decay *
+C F PYX2XH auxiliary for ino -> ino + Higgs decay *
+C F PYXXZ2 auxiliary for chargino 3-body decay *
+C S PYHEXT to calculate non-SM Higgs decay partial widths *
+C F PYH2XX auxiliary for H -> ino + ino decay *
+C F PYGAUS to perform Gaussian integration *
+C F PYSIMP to perform Simpson integration *
+C F PYLAMF to evaluate the lambda kinematics function *
+C S PYTBDY to perform 3-body decay of gauginos *
+C S PYTECM to calculate techni_rho/omega masses *
+C S PYEICG to calculate eigenvalues of a 4*4 complex matrix *
+C *
+C S PY1ENT to fill one entry (= parton or particle) *
+C S PY2ENT to fill two entries *
+C S PY3ENT to fill three entries *
+C S PY4ENT to fill four entries *
+C S PY2FRM to interface to generic two-fermion generator *
+C S PY4FRM to interface to generic four-fermion generator *
+C S PY6FRM to interface to generic six-fermion generator *
+C S PY4JET to generate a shower from a given 4-parton config *
+C S PY4JTW to evaluate the weight od a shower history for above *
+C S PY4JTS to set up the parton configuration for above *
+C S PYJOIN to connect entries with colour flow information *
+C S PYGIVE to fill (or query) commonblock variables *
+C S PYEXEC to administrate fragmentation and decay chain *
+C S PYPREP to rearrange showered partons along strings *
+C S PYSTRF to do string fragmentation of jet system *
+C S PYINDF to do independent fragmentation of one or many jets *
+C S PYDECY to do the decay of a particle *
+C S PYDCYK to select parton and hadron flavours in decays *
+C S PYKFDI to select parton and hadron flavours in fragm *
+C S PYNMES to select number of popcorn mesons *
+C S PYKFIN to calculate falvour prod. ratios from input params. *
+C S PYPTDI to select transverse momenta in fragm *
+C S PYZDIS to select longitudinal scaling variable in fragm *
+C S PYSHOW to do timelike parton shower evolution *
+C S PYBOEI to include Bose-Einstein effects (crudely) *
+C S PYBESQ auxiliary to PYBOEI *
+C F PYMASS to give the mass of a particle or parton *
+C F PYMRUN to give the running MSbar mass of a quark *
+C S PYNAME to give the name of a particle or parton *
+C F PYCHGE to give three times the electric charge *
+C F PYCOMP to compress standard KF flavour code to internal KC *
+C S PYERRM to write error messages and abort faulty run *
+C F PYALEM to give the alpha_electromagnetic value *
+C F PYALPS to give the alpha_strong value *
+C F PYANGL to give the angle from known x and y components *
+C F PYR to provide a random number generator *
+C S PYRGET to save the state of the random number generator *
+C S PYRSET to set the state of the random number generator *
+C S PYROBO to rotate and/or boost an event *
+C S PYEDIT to remove unwanted entries from record *
+C S PYLIST to list event record or particle data *
+C S PYLOGO to write a logo *
+C S PYUPDA to update particle data *
+C F PYK to provide integer-valued event information *
+C F PYP to provide real-valued event information *
+C S PYSPHE to perform sphericity analysis *
+C S PYTHRU to perform thrust analysis *
+C S PYCLUS to perform three-dimensional cluster analysis *
+C S PYCELL to perform cluster analysis in (eta, phi, E_T) *
+C S PYJMAS to give high and low jet mass of event *
+C S PYFOWO to give Fox-Wolfram moments *
+C S PYTABU to analyze events, with tabular output *
+C *
+C S PYEEVT to administrate the generation of an e+e- event *
+C S PYXTEE to give the total cross-section at given CM energy *
+C S PYRADK to generate initial state photon radiation *
+C S PYXKFL to select flavour of primary qqbar pair *
+C S PYXJET to select (matrix element) jet multiplicity *
+C S PYX3JT to select kinematics of three-jet event *
+C S PYX4JT to select kinematics of four-jet event *
+C S PYXDIF to select angular orientation of event *
+C S PYONIA to perform generation of onium decay to gluons *
+C *
+C S PYBOOK to book a histogram *
+C S PYFILL to fill an entry in a histogram *
+C S PYFACT to multiply histogram contents by a factor *
+C S PYOPER to perform operations between histograms *
+C S PYHIST to print and reset all histograms *
+C S PYPLOT to print a single histogram *
+C S PYNULL to reset contents of a single histogram *
+C S PYDUMP to dump histogram contents onto a file *
+C *
+C S PYKCUT dummy routine for user kinematical cuts *
+C S PYEVWT dummy routine for weighting events *
+C S PYUPIN dummy routine to initialize a user process *
+C S PYUPEV dummy routine to generate a user process event *
+C S PDFSET dummy routine to be removed when using PDFLIB *
+C S STRUCTM dummy routine to be removed when using PDFLIB *
+C S STRUCTP dummy routine to be removed when using PDFLIB *
+C S PYTAUD dummy routine for interface to tau decay libraries *
+C S PYTIME dummy routine for giving date and time *
+C *
+C*********************************************************************
+
+C...PYDATA
+C...Default values for switches and parameters,
+C...and particle, decay and process data.
+
+ BLOCK DATA PYDATA
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYDAT3/MDCY(500,3),MDME(4000,2),BRAT(4000),KFDP(4000,5)
+ COMMON/PYDAT4/CHAF(500,2)
+ CHARACTER CHAF*16
+ COMMON/PYDATR/MRPY(6),RRPY(100)
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT2/ISET(500),KFPR(500,2),COEF(500,20),ICOL(40,4,2)
+ COMMON/PYINT3/XSFX(2,-40:40),ISIG(1000,3),SIGH(1000)
+ COMMON/PYINT4/MWID(500),WIDS(500,5)
+ COMMON/PYINT5/NGENPD,NGEN(0:500,3),XSEC(0:500,3)
+ COMMON/PYINT6/PROC(0:500)
+ CHARACTER PROC*28
+ COMMON/PYINT7/SIGT(0:6,0:6,0:5)
+ COMMON/PYMSSM/IMSS(0:99),RMSS(0:99)
+ COMMON/PYSSMT/ZMIX(4,4),UMIX(2,2),VMIX(2,2),SMZ(4),SMW(2),
+ &SFMIX(16,4)
+ COMMON/PYBINS/IHIST(4),INDX(1000),BIN(20000)
+ SAVE /PYDAT1/,/PYDAT2/,/PYDAT3/,/PYDAT4/,/PYDATR/,/PYSUBS/,
+ &/PYPARS/,/PYINT1/,/PYINT2/,/PYINT3/,/PYINT4/,/PYINT5/,
+ &/PYINT6/,/PYINT7/,/PYMSSM/,/PYSSMT/,/PYBINS/
+
+C...PYDAT1, containing status codes and most parameters.
+ DATA MSTU/
+ & 0, 0, 0, 4000,10000, 500, 4000, 0, 0, 2,
+ 1 6, 1, 1, 0, 1, 1, 0, 0, 0, 0,
+ 2 2, 10, 0, 0, 1, 10, 0, 0, 0, 0,
+ 3 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 4 2, 2, 1, 4, 2, 1, 1, 0, 0, 0,
+ 5 25, 24, 0, 1, 0, 0, 0, 0, 0, 0,
+ 6 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 7 30*0,
+ 1 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 2 1, 5, 3, 5, 0, 0, 0, 0, 0, 0,
+ & 80*0/
+ DATA (PARU(I),I=1,100)/
+ & 3.141592653589793D0, 6.283185307179586D0,
+ & 0.197327D0, 5.06773D0, 0.389380D0, 2.56819D0, 4*0D0,
+ 1 0.001D0, 0.09D0, 0.01D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ 2 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ 3 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ 4 2.0D0, 1.0D0, 0.25D0, 2.5D0, 0.05D0,
+ 4 0D0, 0D0, 0.0001D0, 0D0, 0D0,
+ 5 2.5D0,1.5D0,7.0D0,1.0D0,0.5D0,2.0D0,3.2D0, 0D0, 0D0, 0D0,
+ 6 40*0D0/
+ DATA (PARU(I),I=101,200)/
+ & 0.00729735D0, 0.232D0, 0.007764D0, 1.0D0, 1.16639D-5,
+ & 0D0, 0D0, 0D0, 0D0, 0D0,
+ 1 0.20D0, 0.25D0, 1.0D0, 4.0D0, 10D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ 2 -0.693D0, -1.0D0, 0.387D0, 1.0D0, -0.08D0,
+ 2 -1.0D0, 1.0D0, 1.0D0, 1.0D0, 0D0,
+ 3 1.0D0,-1.0D0, 1.0D0,-1.0D0, 1.0D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ 4 5.0D0, 1.0D0, 1.0D0, 0D0, 1.0D0, 1.0D0, 0D0, 0D0, 0D0, 0D0,
+ 5 1.0D0, 0D0, 0D0, 0D0, 1000D0, 1.0D0, 1.0D0, 1.0D0, 1.0D0,0D0,
+ 6 1.0D0, 1.0D0, 1.0D0, 1.0D0, 1.0D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ 7 1.0D0, 1.0D0, 1.0D0, 1.0D0, 1.0D0, 1.0D0, 1.0D0, 0D0,0D0,0D0,
+ 8 1.0D0, 1.0D0, 1.0D0, 0.0D0, 0.0D0, 1.0D0, 1.0D0, 0D0,0D0,0D0,
+ 9 0D0, 0D0, 0D0, 0D0, 1.0D0, 0D0, 0D0, 0D0, 0D0, 0D0/
+ DATA MSTJ/
+ & 1, 3, 0, 0, 0, 0, 0, 0, 0, 0,
+ 1 4, 2, 0, 1, 0, 2, 2, 0, 0, 0,
+ 2 2, 1, 1, 2, 1, 2, 2, 0, 0, 0,
+ 3 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 4 2, 2, 4, 2, 5, 3, 3, 0, 0, 3,
+ 5 0, 3, 0, 2, 0, 0, 1, 0, 0, 0,
+ 6 40*0,
+ & 5, 2, 7, 5, 1, 1, 0, 2, 0, 2,
+ 1 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
+ 2 80*0/
+ DATA PARJ/
+ & 0.10D0, 0.30D0, 0.40D0, 0.05D0, 0.50D0,
+ & 0.50D0, 0.50D0, 0.6D0, 1.2D0, 0.6D0,
+ 1 0.50D0,0.60D0,0.75D0, 0D0, 0D0, 0D0, 0D0, 1.0D0, 1.0D0, 0D0,
+ 2 0.36D0, 1.0D0,0.01D0, 2.0D0,1.0D0,0.4D0, 0D0, 0D0, 0D0, 0D0,
+ 3 0.10D0, 1.0D0, 0.8D0, 1.5D0,0D0,2.0D0,0.2D0, 0D0,0.08D0,0D0,
+ 4 0.3D0, 0.58D0, 0.5D0, 0.9D0,0.5D0,1.0D0,1.0D0,1.0D0,0D0,0D0,
+ 5 0.77D0, 0.77D0, 0.77D0, -0.05D0, -0.005D0,
+ 5 -0.00001D0, -0.00001D0, -0.00001D0, 1.0D0, 0D0,
+ 6 4.5D0, 0.7D0, 0D0,0.003D0, 0.5D0, 0.5D0, 0D0, 0D0, 0D0, 0D0,
+ 7 10D0, 1000D0, 100D0, 1000D0, 0D0, 0.7D0,10D0, 0D0, 0D0, 0D0,
+ 8 0.29D0, 1.0D0, 1.0D0, 0D0, 10D0, 10D0, 0D0, 0D0, 0D0,1D-4,
+ 9 0.02D0, 1.0D0, 0.2D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ & 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ 1 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ 2 1.0D0, 0.25D0,91.187D0,2.489D0, 0.01D0,
+ 2 2.0D0, 1.0D0, 0.25D0,0.002D0, 0D0,
+ 3 0D0, 0D0, 0D0, 0D0, 0.01D0, 0.99D0, 0D0, 0D0, 0.2D0, 0D0,
+ 4 10*0D0,
+ 5 10*0D0,
+ 6 10*0D0,
+ 7 0D0, 200D0, 200D0, .333D0, .05D0, 0D0, 0D0, 0D0, 0D0, -0.693D0,
+ 8 -1.0D0, 0.387D0, 1.0D0, -0.08D0, -1.0D0,
+ 8 1.0D0, 1.0D0, -0.693D0, -1.0D0, 0.387D0,
+ 9 1.0D0, -0.08D0, -1.0D0, 1.0D0, 1.0D0,
+ 9 5*0D0/
+
+C...PYDAT2, with particle data and flavour treatment parameters.
+ DATA (KCHG(I,1),I= 1, 500)/-1,2,-1,2,-1,2,-1,2,2*0,-3,0,-3,0,
+ &-3,0,-3,6*0,3,9*0,3,2*0,3,0,-1,12*0,3,2*0,3,5*0,2*6,3,20*0,2,-1,
+ &20*0,4*3,8*0,3*3,4*0,3*3,3*0,3*3,7*0,3*3,3*0,3*3,3*0,-2,-3,2*1,
+ &3*0,4,3*3,6,2*-2,2*-3,0,2*1,2*0,2*3,-2,2*-3,2*0,-3,2*1,2*0,3,0,
+ &2*4,2*3,2*6,3,2*1,2*0,2*3,2*0,4,2*3,2*6,2*3,6,2*-2,2*-3,0,-3,0,
+ &2*1,2*0,2*3,0,3,2*-2,2*-3,2*0,2*-3,0,2*1,2*0,2*3,2*0,2*3,-2,2*-3,
+ &2*0,2*-3,2*0,-3,2*0,2*3,4*0,2*3,2*0,2*3,2*0,2*3,4*0,2*3,2*0,2*3,
+ &3*0,3,2*0,3,0,3,0,3,2*0,3,0,3,3*0,-1,2,-1,2,-1,2,-3,0,-3,0,-3,
+ &4*0,3,2*0,3,0,-1,2,-1,2,-1,2,-3,0,-3,0,-3,0,-1,2,-3,164*0/
+ DATA (KCHG(I,2),I= 1, 500)/8*1,12*0,2,16*0,2,1,113*0,-1,0,2*-1,
+ &3*0,-1,4*0,2*-1,3*0,2*-1,4*0,-1,5*0,2*-1,4*0,2*-1,5*0,2*-1,6*0,
+ &-1,7*0,2*-1,5*0,2*-1,6*0,2*-1,7*0,2*-1,8*0,-1,56*0,6*1,6*0,2,7*0,
+ &6*1,6*0,2*1,165*0/
+ DATA (KCHG(I,3),I= 1, 500)/8*1,2*0,8*1,5*0,1,9*0,1,2*0,1,0,2*1,
+ &11*0,1,2*0,1,5*0,6*1,15*0,1,0,2*1,20*0,4*1,5*0,6*1,4*0,9*1,4*0,
+ &12*1,3*0,102*1,2*0,2*1,2*0,4*1,2*0,6*1,2*0,8*1,3*0,1,0,2*1,0,3*1,
+ &0,4*1,3*0,12*1,3*0,1,2*0,1,0,16*1,163*0/
+ DATA (KCHG(I,4),I= 1, 293)/1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
+ &16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,
+ &37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,
+ &58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,
+ &79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,
+ &100,110,111,113,115,130,210,211,213,215,220,221,223,225,310,311,
+ &313,315,321,323,325,330,331,333,335,411,413,415,421,423,425,431,
+ &433,435,440,441,443,445,511,513,515,521,523,525,531,533,535,541,
+ &543,545,551,553,555,1103,1114,2101,2103,2110,2112,2114,2203,2210,
+ &2212,2214,2224,3101,3103,3112,3114,3122,3201,3203,3212,3214,3222,
+ &3224,3303,3312,3314,3322,3324,3334,4101,4103,4112,4114,4122,4132,
+ &4201,4203,4212,4214,4222,4224,4232,4301,4303,4312,4314,4322,4324,
+ &4332,4334,4403,4412,4414,4422,4424,4432,4434,4444,5101,5103,5112,
+ &5114,5122,5132,5142,5201,5203,5212,5214,5222,5224,5232,5242,5301,
+ &5303,5312,5314,5322,5324,5332,5334,5342,5401,5403,5412,5414,5422,
+ &5424,5432,5434,5442,5444,5503,5512,5514,5522,5524,5532,5534,5542,
+ &5544,5554,10111,10113,10211,10213,10221,10223,10311,10313,10321,
+ &10323,10331,10333,10411,10413,10421,10423,10431,10433,10441,
+ &10443,10511,10513,10521,10523,10531,10533,10541,10543,10551,
+ &10553,20113,20213,20223,20313,20323,20333,20413,20423,20433/
+ DATA (KCHG(I,4),I= 294, 500)/20443,20513,20523,20533,20543,20553,
+ &100443,100553,1000001,1000002,1000003,1000004,1000005,1000006,
+ &1000011,1000012,1000013,1000014,1000015,1000016,1000021,1000022,
+ &1000023,1000024,1000025,1000035,1000037,1000039,2000001,2000002,
+ &2000003,2000004,2000005,2000006,2000011,2000012,2000013,2000014,
+ &2000015,2000016,4000001,4000002,4000011,4000012,163*0/
+ DATA (PMAS(I,1),I= 1, 211)/0.33D0,0.33D0,0.50D0,1.50D0,
+ &4.80D0,175D0,2*400D0,2*0D0,0.00051D0,0D0,0.10566D0,0D0,1.777D0,
+ &0D0,400D0,5*0D0,91.187D0,80.33D0,80D0,6*0D0,500D0,900D0,500D0,
+ &3*300D0,350D0,200D0,5000D0,10*0D0,3*110D0,3*210D0,4*0D0,2*200D0,
+ &4*750D0,16*0D0,1D0,2D0,5D0,16*0D0,0.13498D0,0.7685D0,1.318D0,
+ &0.49767D0,0D0,0.13957D0,0.7669D0,1.318D0,0D0,0.54745D0,0.78194D0,
+ &1.275D0,2*0.49767D0,0.8961D0,1.432D0,0.4936D0,0.8916D0,1.425D0,
+ &0D0,0.95777D0,1.0194D0,1.525D0,1.8693D0,2.01D0,2.46D0,1.8645D0,
+ &2.0067D0,2.46D0,1.9685D0,2.1124D0,2.5735D0,0D0,2.9798D0,
+ &3.09688D0,3.5562D0,5.2792D0,5.3248D0,5.83D0,5.2789D0,5.3248D0,
+ &5.83D0,5.3693D0,5.4163D0,6.07D0,6.594D0,6.602D0,7.35D0,9.4D0,
+ &9.4603D0,9.9132D0,0.77133D0,1.234D0,0.57933D0,0.77133D0,0D0,
+ &0.93957D0,1.233D0,0.77133D0,0D0,0.93827D0,1.232D0,1.231D0,
+ &0.80473D0,0.92953D0,1.19744D0,1.3872D0,1.11568D0,0.80473D0,
+ &0.92953D0,1.19255D0,1.3837D0,1.18937D0,1.3828D0,1.09361D0,
+ &1.3213D0,1.535D0,1.3149D0,1.5318D0,1.67245D0,1.96908D0,2.00808D0,
+ &2.4521D0,2.5D0,2.2849D0,2.4703D0,1.96908D0,2.00808D0,2.4535D0,
+ &2.5D0,2.4529D0,2.5D0,2.4656D0,2.15432D0,2.17967D0,2.55D0,2.63D0,
+ &2.55D0,2.63D0,2.704D0,2.8D0,3.27531D0,3.59798D0,3.65648D0,
+ &3.59798D0,3.65648D0,3.78663D0,3.82466D0,4.91594D0,5.38897D0/
+ DATA (PMAS(I,1),I= 212, 500)/5.40145D0,5.8D0,5.81D0,5.641D0,
+ &5.84D0,7.00575D0,5.38897D0,5.40145D0,5.8D0,5.81D0,5.8D0,5.81D0,
+ &5.84D0,7.00575D0,5.56725D0,5.57536D0,5.96D0,5.97D0,5.96D0,5.97D0,
+ &6.12D0,6.13D0,7.19099D0,6.67143D0,6.67397D0,7.03724D0,7.0485D0,
+ &7.03724D0,7.0485D0,7.21101D0,7.219D0,8.30945D0,8.31325D0,
+ &10.07354D0,10.42272D0,10.44144D0,10.42272D0,10.44144D0,
+ &10.60209D0,10.61426D0,11.70767D0,11.71147D0,15.11061D0,0.9835D0,
+ &1.231D0,0.9835D0,1.231D0,1D0,1.17D0,1.429D0,1.29D0,1.429D0,
+ &1.29D0,2*1.4D0,2.272D0,2.424D0,2.272D0,2.424D0,2.5D0,2.536D0,
+ &3.4151D0,3.46D0,5.68D0,5.73D0,5.68D0,5.73D0,5.92D0,5.97D0,7.25D0,
+ &7.3D0,9.8598D0,9.875D0,2*1.23D0,1.282D0,2*1.402D0,1.427D0,
+ &2*2.372D0,2.56D0,3.5106D0,2*5.78D0,6.02D0,7.3D0,9.8919D0,3.686D0,
+ &10.0233D0,32*500D0,4*400D0,163*0D0/
+ DATA (PMAS(I,2),I= 1, 500)/5*0D0,1.39883D0,16*0D0,2.48009D0,
+ &2.07002D0,0.00237D0,6*0D0,14.54848D0,0D0,16.6708D0,8.42842D0,
+ &4.92026D0,5.75967D0,0.10158D0,0.39162D0,417.4648D0,10*0D0,
+ &0.04104D0,0.0105D0,0.02807D0,0.82101D0,0.64973D0,0.1575D0,4*0D0,
+ &0.88161D0,0.88001D0,19.33905D0,39*0D0,0.151D0,0.107D0,3*0D0,
+ &0.149D0,0.107D0,2*0D0,0.00843D0,0.185D0,2*0D0,0.0505D0,0.109D0,
+ &0D0,0.0498D0,0.098D0,0D0,0.0002D0,0.00443D0,0.076D0,2*0D0,
+ &0.023D0,2*0D0,0.023D0,2*0D0,0.015D0,0D0,0.0013D0,0D0,0.002D0,
+ &2*0D0,0.02D0,2*0D0,0.02D0,2*0D0,0.02D0,2*0D0,0.02D0,4*0D0,0.12D0,
+ &4*0D0,0.12D0,3*0D0,2*0.12D0,3*0D0,0.0394D0,4*0D0,0.036D0,0D0,
+ &0.0358D0,2*0D0,0.0099D0,0D0,0.0091D0,74*0D0,0.06D0,0.142D0,
+ &0.06D0,0.142D0,0D0,0.36D0,0.287D0,0.09D0,0.287D0,0.09D0,0.25D0,
+ &0.08D0,0.05D0,0.02D0,0.05D0,0.02D0,0.05D0,0D0,0.014D0,0.01D0,
+ &8*0.05D0,0D0,0.01D0,2*0.4D0,0.025D0,2*0.174D0,0.053D0,3*0.05D0,
+ &0.0009D0,4*0.05D0,3*0D0,19*1D0,0D0,7*1D0,0D0,1D0,0D0,1D0,0D0,
+ &2.65171D0,2.65499D0,0.42901D0,0.41917D0,163*0D0/
+ DATA (PMAS(I,3),I= 1, 500)/5*0D0,13.98835D0,16*0D0,24.8009D0,
+ &20.70015D0,0.02369D0,6*0D0,145.48484D0,0D0,166.70801D0,
+ &84.28416D0,49.20256D0,57.59671D0,1.0158D0,3.91624D0,4174.64797D0,
+ &10*0D0,0.41042D0,0.10504D0,0.28068D0,8.21005D0,6.49728D0,
+ &1.57496D0,4*0D0,8.81606D0,8.80013D0,193.39048D0,39*0D0,0.4D0,
+ &0.25D0,3*0D0,0.4D0,0.25D0,2*0D0,0.1D0,0.17D0,2*0D0,0.2D0,0.12D0,
+ &0D0,0.2D0,0.12D0,0D0,0.002D0,0.015D0,0.2D0,2*0D0,0.12D0,2*0D0,
+ &0.12D0,2*0D0,0.05D0,0D0,0.005D0,0D0,0.01D0,2*0D0,0.05D0,2*0D0,
+ &0.05D0,2*0D0,0.05D0,2*0D0,0.05D0,4*0D0,0.14D0,4*0D0,0.14D0,3*0D0,
+ &2*0.14D0,3*0D0,0.04D0,4*0D0,0.035D0,0D0,0.035D0,2*0D0,0.05D0,0D0,
+ &0.05D0,74*0D0,0.05D0,0.25D0,0.05D0,0.25D0,0D0,0.2D0,0.4D0,
+ &0.005D0,0.4D0,0.01D0,0.35D0,0.001D0,0.1D0,0.08D0,0.1D0,0.08D0,
+ &0.1D0,0D0,0.05D0,0.02D0,6*0.1D0,0.05D0,0.1D0,0D0,0.02D0,2*0.3D0,
+ &0.05D0,2*0.3D0,0.02D0,2*0.1D0,0.03D0,0.001D0,4*0.1D0,3*0D0,
+ &19*10D0,0.00001D0,7*10D0,0.00001D0,10D0,0.00001D0,10D0,0.00001D0,
+ &26.51715D0,26.54994D0,4.29011D0,4.19173D0,163*0D0/
+ DATA (PMAS(I,4),I= 1, 500)/12*0D0,658654D0,0D0,0.0872D0,68*0D0,
+ &0.1D0,0.387D0,16*0D0,0.00003D0,2*0D0,15500D0,0D0,7804.5D0,6*0D0,
+ &26.762D0,3*0D0,3709D0,6*0D0,0.317D0,2*0D0,0.1244D0,2*0D0,0.14D0,
+ &6*0D0,0.468D0,2*0D0,0.462D0,2*0D0,0.483D0,2*0D0,0.15D0,19*0D0,
+ &44.34D0,0D0,78.88D0,4*0D0,23.96D0,2*0D0,49.1D0,0D0,87.1D0,0D0,
+ &24.6D0,4*0D0,0.0618D0,0.029D0,6*0D0,0.106D0,6*0D0,0.019D0,2*0D0,
+ &7*0.1D0,4*0D0,0.342D0,2*0.387D0,6*0D0,2*0.387D0,6*0D0,0.387D0,
+ &0D0,0.387D0,2*0D0,8*0.387D0,0D0,9*0.387D0,83*0D0,163*0D0/
+ DATA PARF/
+ & 0.5D0,0.25D0, 0.5D0,0.25D0, 1D0, 0.5D0, 0D0, 0D0, 0D0, 0D0,
+ 1 0.5D0, 0D0, 0.5D0, 0D0, 1D0, 1D0, 0D0, 0D0, 0D0, 0D0,
+ 2 0.5D0, 0D0, 0.5D0, 0D0, 1D0, 1D0, 0D0, 0D0, 0D0, 0D0,
+ 3 0.5D0, 0D0, 0.5D0, 0D0, 1D0, 1D0, 0D0, 0D0, 0D0, 0D0,
+ 4 0.5D0, 0D0, 0.5D0, 0D0, 1D0, 1D0, 0D0, 0D0, 0D0, 0D0,
+ 5 0.5D0, 0D0, 0.5D0, 0D0, 1D0, 1D0, 0D0, 0D0, 0D0, 0D0,
+ 6 0.75D0, 0.5D0, 0D0,0.1667D0,0.0833D0,0.1667D0,0D0,0D0,0D0, 0D0,
+ 7 0D0, 0D0, 1D0,0.3333D0,0.6667D0,0.3333D0,0D0,0D0,0D0, 0D0,
+ 8 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ 9 0.0099D0, 0.0056D0, 0.199D0, 1.35D0, 4.5D0, 5*0D0,
+ & 0.325D0,0.325D0,0.5D0,1.6D0, 5.0D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ 1 0D0,0.11D0,0.16D0,0.048D0,0.50D0,0.45D0,0.55D0,0.60D0,0D0,0D0,
+ 2 0.2D0, 0.1D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0, 0D0,
+ 3 60*0D0,
+ 4 0.2D0, 0.5D0, 8*0D0,
+ 5 1800*0D0/
+ DATA ((VCKM(I,J),J=1,4),I=1,4)/
+ & 0.95113D0, 0.04884D0, 0.00003D0, 0.00000D0,
+ & 0.04884D0, 0.94940D0, 0.00176D0, 0.00000D0,
+ & 0.00003D0, 0.00176D0, 0.99821D0, 0.00000D0,
+ & 0.00000D0, 0.00000D0, 0.00000D0, 1.00000D0/
+
+C...PYDAT3, with particle decay parameters and data.
+ DATA (MDCY(I,1),I= 1, 500)/5*0,3*1,6*0,1,0,1,5*0,3*1,6*0,1,0,
+ &7*1,10*0,6*1,4*0,3*1,19*0,3*1,16*0,3*1,3*0,2*1,0,7*1,0,2*1,0,
+ &12*1,0,18*1,0,1,4*0,1,3*0,2*1,2*0,3*1,2*0,4*1,0,5*1,2*0,4*1,2*0,
+ &5*1,2*0,6*1,0,7*1,2*0,5*1,2*0,6*1,2*0,7*1,2*0,8*1,0,75*1,0,7*1,0,
+ &1,0,1,0,4*1,163*0/
+ DATA (MDCY(I,2),I= 1, 500)/1,9,17,25,33,41,56,66,2*0,76,80,82,
+ &87,89,143,145,150,2*0,153,162,174,190,210,6*0,289,0,311,334,416,
+ &496,523,526,527,10*0,536,544,550,558,582,608,4*0,632,639,646,
+ &19*0,658,659,663,16*0,672,674,679,688,0,697,699,701,0,708,716,
+ &722,731,733,735,738,748,754,757,0,768,774,785,791,854,857,865,
+ &926,928,936,969,971,0,975,976,979,981,1017,1018,1026,1062,1063,
+ &1071,1110,1111,1115,1146,1147,1151,1152,1161,0,1163,4*0,1164,3*0,
+ &1167,1170,2*0,1171,1173,1176,2*0,1180,1181,1184,1187,0,1190,1195,
+ &1197,1200,1202,2*0,1206,1207,1208,1284,2*0,1288,1289,1290,1291,
+ &1292,2*0,1296,1297,1299,1300,1302,1306,0,1307,1311,1315,1319,
+ &1323,1327,1331,2*0,1335,1336,1337,1354,1363,2*0,1372,1373,1374,
+ &1375,1376,1385,2*0,1394,1395,1396,1397,1398,1407,1408,2*0,1417,
+ &1426,1435,1444,1453,1462,1471,1480,0,1489,1498,1507,1516,1525,
+ &1534,1543,1552,1561,1570,1571,1572,1573,1574,1579,1582,1584,1589,
+ &1591,1596,1603,1607,1609,1611,1613,1615,1617,1619,1621,1622,1624,
+ &1626,1628,1630,1632,1634,1636,1638,1640,1641,1643,1645,1659,1661,
+ &1663,1667,1669,1671,1673,1675,1677,1679,1681,1683,1685,1696,1710,
+ &1722,1734,1746,1758,1770,1785,1796,1807,1818,1829,1840,1851,1912,
+ &1919,2021,2077,2195,2329,0,2400,2416,2432,2448,2464,2480,2496,0,
+ &2511,0,2526,0,2541,2545,2549,2552,163*0/
+ DATA (MDCY(I,3),I= 1, 500)/5*8,15,2*10,2*0,4,2,5,2,54,2,5,3,
+ &2*0,9,12,16,20,79,6*0,22,0,23,82,80,27,3,1,9,10*0,8,6,8,24,26,24,
+ &4*0,2*7,12,19*0,1,4,9,16*0,2,5,2*9,0,2*2,7,0,8,6,9,2*2,3,10,6,3,
+ &11,0,6,11,6,63,3,8,61,2,8,33,2,4,0,1,3,2,36,1,8,36,1,8,39,1,4,31,
+ &1,4,1,9,2,0,1,4*0,3,3*0,3,1,2*0,2,3,4,2*0,1,3*3,0,5,2,3,2,4,2*0,
+ &2*1,76,4,2*0,4*1,4,2*0,1,2,1,2,4,1,0,7*4,2*0,2*1,17,2*9,2*0,4*1,
+ &2*9,2*0,4*1,9,1,9,2*0,8*9,0,9*9,4*1,5,3,2,5,2,5,7,4,7*2,1,9*2,1,
+ &2*2,14,2*2,4,9*2,11,14,5*12,15,6*11,61,7,102,56,118,134,71,0,
+ &6*16,15,0,15,0,15,0,2*4,3,2,163*0/
+ DATA (MDME(I,1),I= 1,4000)/6*1,-1,7*1,-1,7*1,-1,7*1,-1,7*1,-1,
+ &7*1,-1,1,7*-1,8*1,2*-1,8*1,2*-1,73*1,-1,2*1,-1,5*1,0,2*-1,6*1,0,
+ &2*-1, 3*1,-1,6*1,2*-1,6*1,2*-1,3*1,-1,3*1,-1,3*1,5*-1,3*1,-1,6*1,
+ &2*-1,3*1,-1,5*1,62*1,6*1,2*-1,6*1,8*-1,3*1,-1,3*1,-1,3*1,5*-1,3*1,
+ &4*-1,6*1,2*-1,3*1,-1,8*1,62*1,6*1,2*-1,3*1,-1,6*1,62*1,3*1,-1,
+ &3*1,-1,1,18*1,8*1,2*-1,2*1,-1,36*1,2*-1,6*1,2*-1,9*1,-1,3*1,-1,
+ &3*1,5*-1,3*1,-1,14*1,2*-1,6*1,2*-1,1151*1,2*-1,132*1,2*-1,635*1,
+ &1447*0/
+ DATA (MDME(I,2),I= 1,4000)/43*102,4*0,102,0,6*53,3*102,4*0,102,
+ &2*0,3*102,4*0,102,2*0,6*102,42,6*102,2*42,2*0,8*41,2*0,36*41,
+ &8*102,0,102,0,102,2*0,21*102,8*32,8*0,16*32,4*0,8*32,9*0,62*53,
+ &8*32,14*0,16*32,7*0,8*32,12*0,62*53,8*32,10*0,62*53,4*32,5*0,
+ &18*53,3*32,0,6*32,3*0,4*32,3*0,4*32,3*0,4*32,3*0,32,8*0,8*32,
+ &14*0,16*32,12*0,8*32,22*0,9*32,3*0,12,2*42,2*11,9*42,0,2,3,15*0,
+ &4*42,5*0,3,12*0,2,3*0,1,0,3,16*0,2*3,15*0,2*42,2*3,18*0,2*3,3*0,
+ &1,11*0,22*42,41*0,2*3,9*0,16*42,45*0,3,10*0,10*42,20*0,2*13,6*0,
+ &12,2*0,12,0,12,14*42,16*0,48,3*13,2*42,9*0,14*42,16*0,48,3*13,
+ &2*42,9*0,14*42,19*0,48,3*13,2*42,6*0,2*11,28*42,5*0,32,3*0,4*32,
+ &2*4,0,32,45*0,14*42,52*0,10*13,2*42,2*11,4*0,2*42,2*11,6*0,2*42,
+ &2*11,0,2*42,2*11,2*42,2*11,2*42,2*11,2*42,2*11,2*42,2*11,2*42,
+ &2*11,2*42,2*11,2*0,3*42,8*0,48,3*13,20*42,4*0,18*42,4*0,9*42,0,
+ &162*42,50*0,2*12,17*0,2*32,33*0,12,9*0,32,2*0,12,11*0,4*32,2*4,
+ &5*0,832*53,1459*0/
+ DATA (BRAT(I) ,I= 1, 348)/43*0D0,0.00003D0,0.001765D0,
+ &0.998205D0,35*0D0,1D0,6*0D0,0.1783D0,0.1735D0,0.1131D0,0.2494D0,
+ &0.003D0,0.09D0,0.0027D0,0.01D0,0.0014D0,0.0012D0,2*0.00025D0,
+ &0.0071D0,0.012D0,0.0004D0,0.00075D0,0.00006D0,2*0.00078D0,
+ &0.0034D0,0.08D0,0.011D0,0.0191D0,0.00006D0,0.005D0,0.0133D0,
+ &0.0067D0,0.0005D0,0.0035D0,0.0006D0,0.0015D0,0.00021D0,0.0002D0,
+ &0.00075D0,0.0001D0,0.0002D0,0.0011D0,3*0.0002D0,0.00022D0,
+ &0.0004D0,0.0001D0,2*0.00205D0,2*0.00069D0,0.00025D0,0.00051D0,
+ &0.00025D0,35*0D0,0.154075D0,0.119483D0,0.154072D0,0.119346D0,
+ &0.152196D0,3*0D0,0.033549D0,0.066752D0,0.033549D0,0.066752D0,
+ &0.033473D0,0.066752D0,2*0D0,0.321502D0,0.016502D0,2*0D0,
+ &0.016509D0,0.320778D0,2*0D0,0.00001D0,0.000591D0,6*0D0,
+ &2*0.108062D0,0.107983D0,0D0,0.000001D0,0D0,0.000327D0,0.053489D0,
+ &0.852249D0,4*0D0,0.000244D0,0.06883D0,0D0,0.023981D0,0.000879D0,
+ &65*0D0,0.145869D0,0.113303D0,0.145869D0,0.113298D0,0.14581D0,
+ &0.049013D0,2*0D0,0.032007D0,0.063606D0,0.032007D0,0.063606D0,
+ &0.032004D0,0.063606D0,8*0D0,0.251276D0,0.012903D0,0.000006D0,0D0,
+ &0.012903D0,0.250816D0,0.00038D0,0D0,0.000008D0,0.000465D0,
+ &0.215459D0,5*0D0,2*0.085262D0,0.08526D0,7*0D0,0.000046D0,
+ &0.000754D0,5*0D0,0.000074D0,0D0,0.000439D0,0.000015D0,0.000061D0/
+ DATA (BRAT(I) ,I= 349, 642)/0.306171D0,0.68864D0,0D0,0.003799D0,
+ &66*0D0,0.000079D0,0.001292D0,5*0D0,0.000126D0,0D0,0.002256D0,
+ &0.00001D0,0.000002D0,2*0D0,0.996233D0,63*0D0,0.000013D0,
+ &0.067484D0,2*0D0,0.00001D0,0.002701D0,0D0,0.929792D0,18*0D0,
+ &0.452899D0,0D0,0.547101D0,1D0,2*0.215134D0,0.215133D0,0.214738D0,
+ &2*0D0,2*0.06993D0,0D0,0.000225D0,0.036777D0,0.596654D0,2*0D0,
+ &0.000177D0,0.050055D0,0.316112D0,0.041762D0,0.90916D0,2*0D0,
+ &0.000173D0,0.048905D0,0.000328D0,0.053776D0,0.872444D0,2*0D0,
+ &0.000259D0,0.073192D0,0D0,0.153373D0,2*0.342801D0,0D0,0.086867D0,
+ &0.03128D0,0.001598D0,0.000768D0,0.004789D0,0.006911D0,0.004789D0,
+ &0.006911D0,0.004789D0,3*0D0,0.003077D0,0.00103D0,0.003077D0,
+ &0.00103D0,0.003077D0,0.00103D0,2*0D0,0.138845D0,0.474102D0,
+ &0.176299D0,0D0,0.109767D0,0.008161D0,0.028584D0,0.001468D0,2*0D0,
+ &0.001468D0,0.02853D0,0.000007D0,0D0,0.000001D0,0.000053D0,
+ &0.003735D0,5*0D0,2*0.009661D0,0.00966D0,0D0,0.163019D0,
+ &0.004003D0,0.45294D0,0.008334D0,2*0.038042D0,0.001999D0,0D0,
+ &0.017733D0,0.045908D0,0.017733D0,0.045908D0,0.017733D0,3*0D0,
+ &0.038354D0,0.011181D0,0.038354D0,0.011181D0,0.038354D0,
+ &0.011181D0,2*0D0,0.090264D0,2*0.001805D0,0.090264D0,0.001805D0,
+ &0.81225D0,0.001806D0,0.090428D0,0.001809D0,0.001808D0,0.090428D0/
+ DATA (BRAT(I) ,I= 643, 803)/0.001808D0,0.81372D0,0D0,0.325914D0,
+ &0.016735D0,0.000009D0,0.016736D0,0.32532D0,0.000554D0,0.00001D0,
+ &0.000603D0,0.314118D0,3*0D0,1D0,2*0.08D0,0.76D0,0.08D0,2*0.105D0,
+ &0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,0.015D0,0.005D0,0.988D0,
+ &0.012D0,0.998739D0,0.00079D0,0.00038D0,0.000046D0,0.000045D0,
+ &2*0.34725D0,0.144D0,0.104D0,0.0245D0,2*0.01225D0,0.0028D0,
+ &0.0057D0,0.2112D0,0.1256D0,2*0.1939D0,2*0.1359D0,0.002D0,0.001D0,
+ &0.0006D0,0.999877D0,0.000123D0,0.99955D0,0.00045D0,2*0.34725D0,
+ &0.144D0,0.104D0,0.049D0,0.0028D0,0.0057D0,0.3923D0,0.321D0,
+ &0.2317D0,0.0478D0,0.0049D0,0.0013D0,0.0003D0,0.0007D0,0.89D0,
+ &0.08693D0,0.0221D0,0.00083D0,2*0.00007D0,0.564D0,0.282D0,0.072D0,
+ &0.028D0,0.023D0,2*0.0115D0,0.005D0,0.003D0,0.6861D0,0.3139D0,
+ &2*0.5D0,0.665D0,0.333D0,0.002D0,0.333D0,0.166D0,0.168D0,0.084D0,
+ &0.087D0,0.043D0,0.059D0,2*0.029D0,0.002D0,0.6352D0,0.2116D0,
+ &0.0559D0,0.0173D0,0.0482D0,0.0318D0,0.666D0,0.333D0,0.001D0,
+ &0.332D0,0.166D0,0.168D0,0.084D0,0.086D0,0.043D0,0.059D0,
+ &2*0.029D0,2*0.002D0,0.437D0,0.208D0,0.302D0,0.0302D0,0.0212D0,
+ &0.0016D0,0.48947D0,0.34D0,3*0.043D0,0.027D0,0.0126D0,0.0013D0,
+ &0.0003D0,0.00025D0,0.00008D0,0.444D0,2*0.222D0,0.104D0,2*0.004D0,
+ &0.07D0,0.065D0,2*0.005D0,2*0.011D0,5*0.001D0,0.07D0,0.065D0/
+ DATA (BRAT(I) ,I= 804, 977)/2*0.005D0,2*0.011D0,5*0.001D0,
+ &0.026D0,0.019D0,0.066D0,0.041D0,0.045D0,0.076D0,0.0073D0,
+ &2*0.0047D0,0.026D0,0.001D0,0.0006D0,0.0066D0,0.005D0,2*0.003D0,
+ &2*0.0006D0,2*0.001D0,0.006D0,0.005D0,0.012D0,0.0057D0,0.067D0,
+ &0.008D0,0.0022D0,0.027D0,0.004D0,0.019D0,0.012D0,0.002D0,0.009D0,
+ &0.0218D0,0.001D0,0.022D0,0.087D0,0.001D0,0.0019D0,0.0015D0,
+ &0.0028D0,0.683D0,0.306D0,0.011D0,0.3D0,0.15D0,0.16D0,0.08D0,
+ &0.13D0,0.06D0,0.08D0,0.04D0,0.034D0,0.027D0,2*0.002D0,2*0.004D0,
+ &2*0.002D0,0.034D0,0.027D0,2*0.002D0,2*0.004D0,2*0.002D0,0.0365D0,
+ &0.045D0,0.073D0,0.062D0,3*0.021D0,0.0061D0,0.015D0,0.025D0,
+ &0.0088D0,0.074D0,0.0109D0,0.0041D0,0.002D0,0.0035D0,0.0011D0,
+ &0.001D0,0.0027D0,2*0.0016D0,0.0018D0,0.011D0,0.0063D0,0.0052D0,
+ &0.018D0,0.016D0,0.0034D0,0.0036D0,0.0009D0,0.0006D0,0.015D0,
+ &0.0923D0,0.018D0,0.022D0,0.0077D0,0.009D0,0.0075D0,0.024D0,
+ &0.0085D0,0.067D0,0.0511D0,0.017D0,0.0004D0,0.0028D0,0.619D0,
+ &0.381D0,0.3D0,0.15D0,0.16D0,0.08D0,0.13D0,0.06D0,0.08D0,0.04D0,
+ &0.01D0,2*0.02D0,0.03D0,2*0.005D0,2*0.02D0,0.03D0,2*0.005D0,
+ &0.015D0,0.037D0,0.028D0,0.079D0,0.095D0,0.052D0,0.0078D0,
+ &4*0.001D0,0.028D0,0.033D0,0.026D0,0.05D0,0.01D0,4*0.005D0,0.25D0,
+ &0.0952D0,0.94D0,0.06D0,2*0.4D0,2*0.1D0,1D0,0.0602D0,0.0601D0/
+ DATA (BRAT(I) ,I= 978,1136)/0.8797D0,0.135D0,0.865D0,0.02D0,
+ &0.055D0,2*0.005D0,0.008D0,0.012D0,0.02D0,0.055D0,2*0.005D0,
+ &0.008D0,0.012D0,0.01D0,0.03D0,0.0035D0,0.011D0,0.0055D0,0.0042D0,
+ &0.009D0,0.018D0,0.015D0,0.0185D0,0.0135D0,0.025D0,0.0004D0,
+ &0.0007D0,0.0008D0,0.0014D0,0.0019D0,0.0025D0,0.4291D0,0.08D0,
+ &0.07D0,0.02D0,0.015D0,0.005D0,1D0,0.3D0,0.15D0,0.16D0,0.08D0,
+ &0.13D0,0.06D0,0.08D0,0.04D0,0.02D0,0.055D0,2*0.005D0,0.008D0,
+ &0.012D0,0.02D0,0.055D0,2*0.005D0,0.008D0,0.012D0,0.01D0,0.03D0,
+ &0.0035D0,0.011D0,0.0055D0,0.0042D0,0.009D0,0.018D0,0.015D0,
+ &0.0185D0,0.0135D0,0.025D0,0.0004D0,0.0007D0,0.0008D0,0.0014D0,
+ &0.0019D0,0.0025D0,0.4291D0,0.08D0,0.07D0,0.02D0,0.015D0,0.005D0,
+ &1D0,0.3D0,0.15D0,0.16D0,0.08D0,0.13D0,0.06D0,0.08D0,0.04D0,
+ &0.02D0,0.055D0,2*0.005D0,0.008D0,0.012D0,0.02D0,0.055D0,
+ &2*0.005D0,0.008D0,0.012D0,0.01D0,0.03D0,0.0035D0,0.011D0,
+ &0.0055D0,0.0042D0,0.009D0,0.018D0,0.015D0,0.0185D0,0.0135D0,
+ &0.025D0,2*0.0002D0,0.0007D0,2*0.0004D0,0.0014D0,0.001D0,0.0009D0,
+ &0.0025D0,0.4291D0,0.08D0,0.07D0,0.02D0,0.015D0,0.005D0,1D0,
+ &2*0.3D0,2*0.2D0,0.047D0,0.122D0,0.006D0,0.012D0,0.035D0,0.012D0,
+ &0.035D0,0.003D0,0.007D0,0.15D0,0.037D0,0.008D0,0.002D0,0.05D0,
+ &0.015D0,0.003D0,0.001D0,0.014D0,0.042D0,0.014D0,0.042D0,0.24D0/
+ DATA (BRAT(I) ,I=1137,1341)/0.065D0,0.012D0,0.003D0,0.001D0,
+ &0.002D0,0.001D0,0.002D0,0.014D0,0.003D0,1D0,2*0.3D0,2*0.2D0,1D0,
+ &0.0252D0,0.0248D0,0.0267D0,0.015D0,0.045D0,0.015D0,0.045D0,
+ &0.7743D0,0.029D0,0.22D0,0.78D0,1D0,0.331D0,0.663D0,0.006D0,
+ &0.663D0,0.331D0,0.006D0,1D0,0.999D0,0.001D0,0.88D0,2*0.06D0,
+ &0.639D0,0.358D0,0.002D0,0.001D0,1D0,0.88D0,2*0.06D0,0.516D0,
+ &0.483D0,0.001D0,0.88D0,2*0.06D0,0.9988D0,0.0001D0,0.0006D0,
+ &0.0004D0,0.0001D0,0.667D0,0.333D0,0.9954D0,0.0011D0,0.0035D0,
+ &0.333D0,0.667D0,0.676D0,0.234D0,0.085D0,0.005D0,2*1D0,0.018D0,
+ &2*0.005D0,0.003D0,0.002D0,2*0.006D0,0.018D0,2*0.005D0,0.003D0,
+ &0.002D0,2*0.006D0,0.0066D0,0.025D0,0.016D0,0.0088D0,2*0.005D0,
+ &0.0058D0,0.005D0,0.0055D0,4*0.004D0,2*0.002D0,2*0.004D0,0.003D0,
+ &0.002D0,2*0.003D0,3*0.002D0,2*0.001D0,0.002D0,2*0.001D0,
+ &2*0.002D0,0.0013D0,0.0018D0,5*0.001D0,4*0.003D0,2*0.005D0,
+ &2*0.002D0,2*0.001D0,2*0.002D0,2*0.001D0,0.2432D0,0.057D0,
+ &2*0.035D0,0.15D0,2*0.075D0,0.03D0,2*0.015D0,2*0.08D0,0.76D0,
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+ &2*0.08D0,0.76D0,0.08D0,1D0,2*0.08D0,0.76D0,3*0.08D0,0.76D0,
+ &3*0.08D0,0.76D0,3*0.08D0,0.76D0,3*0.08D0,0.76D0,3*0.08D0,0.76D0,
+ &3*0.08D0,0.76D0,0.08D0,2*1D0,2*0.105D0,0.04D0,0.0077D0,0.02D0/
+ DATA (BRAT(I) ,I=1342,1522)/0.0235D0,0.0285D0,0.0435D0,0.0011D0,
+ &0.0022D0,0.0044D0,0.4291D0,0.08D0,0.07D0,0.02D0,0.015D0,0.005D0,
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+ &2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,0.015D0,0.005D0,
+ &4*1D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,0.015D0,
+ &0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,0.015D0,
+ &0.005D0,4*1D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
+ &0.015D0,0.005D0,1D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
+ &0.015D0,0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
+ &0.015D0,0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
+ &0.015D0,0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
+ &0.015D0,0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
+ &0.015D0,0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
+ &0.015D0,0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
+ &0.015D0,0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
+ &0.015D0,0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
+ &0.015D0,0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
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+ &0.015D0,0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0,
+ &0.015D0,0.005D0,2*0.105D0,0.04D0,0.5D0,0.08D0,0.14D0,0.01D0/
+ DATA (BRAT(I) ,I=1523,2548)/0.015D0,0.005D0,2*0.105D0,0.04D0,
+ &0.5D0,0.08D0,0.14D0,0.01D0,0.015D0,0.005D0,2*0.105D0,0.04D0,
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+ &0.5D0,0.08D0,0.14D0,0.01D0,0.015D0,0.005D0,2*0.105D0,0.04D0,
+ &0.5D0,0.08D0,0.14D0,0.01D0,0.015D0,0.005D0,2*0.105D0,0.04D0,
+ &0.5D0,0.08D0,0.14D0,0.01D0,0.015D0,0.005D0,4*1D0,0.52D0,0.26D0,
+ &0.11D0,2*0.055D0,0.333D0,0.334D0,0.333D0,0.667D0,0.333D0,0.28D0,
+ &0.14D0,0.313D0,0.157D0,0.11D0,0.667D0,0.333D0,0.28D0,0.14D0,
+ &0.313D0,0.157D0,0.11D0,0.36D0,0.18D0,0.03D0,2*0.015D0,2*0.2D0,
+ &4*0.25D0,0.667D0,0.333D0,0.667D0,0.333D0,0.667D0,0.333D0,0.667D0,
+ &0.333D0,4*0.5D0,0.007D0,0.993D0,1D0,0.667D0,0.333D0,0.667D0,
+ &0.333D0,0.667D0,0.333D0,0.667D0,0.333D0,8*0.5D0,0.02D0,0.98D0,
+ &1D0,4*0.5D0,3*0.146D0,3*0.05D0,0.15D0,2*0.05D0,4*0.024D0,0.066D0,
+ &0.667D0,0.333D0,0.667D0,0.333D0,4*0.25D0,0.667D0,0.333D0,0.667D0,
+ &0.333D0,2*0.5D0,0.273D0,0.727D0,0.667D0,0.333D0,0.667D0,0.333D0,
+ &4*0.5D0,0.35D0,0.65D0,2*0.0083D0,0.1866D0,0.324D0,0.184D0,
+ &0.027D0,0.001D0,0.093D0,0.087D0,0.078D0,0.0028D0,3*0.014D0,
+ &0.008D0,0.024D0,0.008D0,0.024D0,0.425D0,0.02D0,0.185D0,0.088D0,
+ &0.043D0,0.067D0,0.066D0,831*0D0,0.85422D0,0.005292D0,0.044039D0,
+ &0.096449D0,0.853165D0,0.021144D0,0.029361D0,0.096329D0/
+ DATA (BRAT(I) ,I=2549,4000)/0.294414D0,0.109437D0,0.596149D0,
+ &0.389861D0,0.610139D0,1447*0D0/
+ DATA (KFDP(I,1),I= 1, 374)/21,22,23,4*-24,25,21,22,23,4*24,25,
+ &21,22,23,4*-24,25,21,22,23,4*24,25,21,22,23,4*-24,25,21,22,23,
+ &4*24,25,37,1000022,1000023,1000025,1000035,1000021,1000039,21,22,
+ &23,4*-24,25,2*-37,21,22,23,4*24,25,2*37,22,23,-24,25,23,24,-12,
+ &22,23,-24,25,23,24,-12,-14,48*16,22,23,-24,25,23,24,22,23,-24,25,
+ &-37,23,24,37,1,2,3,4,5,6,7,8,21,1,2,3,4,5,6,7,8,11,13,15,17,1,2,
+ &3,4,5,6,7,8,11,12,13,14,15,16,17,18,4*-1,4*-3,4*-5,4*-7,-11,-13,
+ &-15,-17,1,2,3,4,5,6,7,8,11,13,15,17,21,2*22,23,24,1000022,
+ &2*1000023,3*1000025,4*1000035,2*1000024,2*1000037,1000001,
+ &2000001,1000001,-1000001,1000002,2000002,1000002,-1000002,
+ &1000003,2000003,1000003,-1000003,1000004,2000004,1000004,
+ &-1000004,1000005,2000005,1000005,-1000005,1000006,2000006,
+ &1000006,-1000006,1000011,2000011,1000011,-1000011,1000012,
+ &2000012,1000012,-1000012,1000013,2000013,1000013,-1000013,
+ &1000014,2000014,1000014,-1000014,1000015,2000015,1000015,
+ &-1000015,1000016,2000016,1000016,-1000016,1,2,3,4,5,6,7,8,11,12,
+ &13,14,15,16,17,18,24,37,2*23,25,35,4*-1,4*-3,4*-5,4*-7,-11,-13,
+ &-15,-17,3*24,1,2,3,4,5,6,7,8,11,13,15,17,21,2*22,23,24,23,25,36,
+ &1000022,2*1000023,3*1000025,4*1000035,2*1000024,2*1000037,
+ &1000001,2000001,1000001,-1000001,1000002,2000002,1000002/
+ DATA (KFDP(I,1),I= 375, 587)/-1000002,1000003,2000003,1000003,
+ &-1000003,1000004,2000004,1000004,-1000004,1000005,2000005,
+ &1000005,-1000005,1000006,2000006,1000006,-1000006,1000011,
+ &2000011,1000011,-1000011,1000012,2000012,1000012,-1000012,
+ &1000013,2000013,1000013,-1000013,1000014,2000014,1000014,
+ &-1000014,1000015,2000015,1000015,-1000015,1000016,2000016,
+ &1000016,-1000016,1,2,3,4,5,6,7,8,11,13,15,17,21,2*22,23,24,23,
+ &1000022,2*1000023,3*1000025,4*1000035,2*1000024,2*1000037,
+ &1000001,2000001,1000001,-1000001,1000002,2000002,1000002,
+ &-1000002,1000003,2000003,1000003,-1000003,1000004,2000004,
+ &1000004,-1000004,1000005,2000005,1000005,-1000005,1000006,
+ &2000006,1000006,-1000006,1000011,2000011,1000011,-1000011,
+ &1000012,2000012,1000012,-1000012,1000013,2000013,1000013,
+ &-1000013,1000014,2000014,1000014,-1000014,1000015,2000015,
+ &1000015,-1000015,1000016,2000016,1000016,-1000016,-1,-3,-5,-7,
+ &-11,-13,-15,-17,24,2*1000022,2*1000023,2*1000025,2*1000035,
+ &1000006,2000006,1000006,2000006,-1000001,-1000003,-1000011,
+ &-1000013,-1000015,-2000015,5,6,21,2,1,2,3,4,5,6,11,13,15,3,4,5,6,
+ &11,13,15,21,2*4,24,-11,-13,-15,3,4,5,6,11,13,15,21,2*24,2*52,
+ &2*22,2*23,1,2,3,4,5,6,7,8,11,12,13,14,15,16,17,18,2*24,3*52,24/
+ DATA (KFDP(I,1),I= 588, 979)/4*-1,4*-3,4*-5,4*-7,-11,-13,-15,-17,
+ &22,23,22,23,24,52,24,52,1,2,3,4,5,6,7,8,11,12,13,14,15,16,17,18,
+ &3*-11,2*-13,-15,24,3*-11,2*-13,-15,63,3*-1,3*-3,3*-5,-11,-13,-15,
+ &82,-11,-13,2*2,-12,-14,-16,2*-2,2*-4,-2,-4,2*22,211,111,221,13,
+ &11,213,-213,221,223,321,130,310,111,331,111,211,-12,12,-14,14,
+ &211,111,22,-13,-11,2*211,213,113,221,223,321,211,331,22,111,211,
+ &2*22,211,22,111,211,22,211,221,111,11,211,111,2*211,321,130,310,
+ &221,111,211,111,130,310,321,2*311,321,311,323,313,323,313,321,
+ &3*311,-13,3*211,12,14,311,2*321,311,321,313,323,313,323,311,
+ &4*321,211,111,3*22,111,321,130,-213,113,213,211,22,111,11,13,211,
+ &321,130,310,221,211,111,11*-11,11*-13,-311,-313,-311,-313,-20313,
+ &2*-311,-313,-311,-313,2*111,2*221,2*331,2*113,2*223,2*333,-311,
+ &-313,2*-321,211,-311,-321,333,-311,-313,-321,211,2*-321,2*-311,
+ &-321,211,113,421,2*411,421,411,423,413,423,413,421,411,8*-11,
+ &8*-13,-321,-323,-321,-323,-311,2*-313,-311,-313,2*-311,-321,
+ &-10323,-321,-323,-321,-311,2*-313,211,111,333,3*-321,-311,-313,
+ &-321,-313,310,333,211,2*-321,-311,-313,-311,211,-321,3*-311,211,
+ &113,321,2*421,411,421,413,423,413,423,411,421,-15,5*-11,5*-13,
+ &221,331,333,221,331,333,10221,211,213,211,213,321,323,321,323,
+ &2212,221,331,333,221,2*2,2*431,421,411,423,413,82,11,13,82,443/
+ DATA (KFDP(I,1),I= 980,1419)/82,6*12,6*14,2*16,3*-411,3*-413,
+ &2*-411,2*-413,2*441,2*443,2*20443,2*2,2*4,2,4,511,521,511,523,
+ &513,523,513,521,511,6*12,6*14,2*16,3*-421,3*-423,2*-421,2*-423,
+ &2*441,2*443,2*20443,2*2,2*4,2,4,521,511,521,513,523,513,523,511,
+ &521,6*12,6*14,2*16,3*-431,3*-433,2*-431,2*-433,3*441,3*443,
+ &3*20443,2*2,2*4,2,4,531,521,511,523,513,16,2*4,2*12,2*14,2*16,
+ &4*2,4*4,2*-11,2*-13,2*-1,2*-3,2*-11,2*-13,2*-1,541,511,521,513,
+ &523,21,11,13,15,1,2,3,4,21,22,553,21,2112,2212,2*2112,2212,2112,
+ &2*2212,2112,-12,3122,3212,3112,2212,2*2112,-12,2*3122,3222,3112,
+ &2212,2112,2212,3122,3222,3212,3122,3112,-12,-14,-12,3322,3312,
+ &2*3122,3212,3322,3312,3122,3322,3312,-12,2*4122,7*-11,7*-13,
+ &2*2224,2*2212,2*2214,2*3122,2*3212,2*3214,5*3222,4*3224,2*3322,
+ &3324,2*2224,7*2212,5*2214,2*2112,2*2114,2*3122,2*3212,2*3214,
+ &2*3222,2*3224,4*2,3,2*2,1,2*2,-11,-13,2*2,4*4122,-11,-13,2*2,
+ &3*4132,3*4232,-11,-13,2*2,4332,-11,-13,2*2,-11,-13,2*2,-11,-13,
+ &2*2,-11,-13,2*2,-11,-13,2*2,-11,-13,2*2,-11,-13,2*2,2*5122,-12,
+ &-14,-16,5*4122,441,443,20443,2*-2,2*-4,-2,-4,-12,-14,-16,2*-2,
+ &2*-4,-2,-4,-12,-14,-16,2*-2,2*-4,-2,-4,4*5122,-12,-14,-16,2*-2,
+ &2*-4,-2,-4,-12,-14,-16,2*-2,2*-4,-2,-4,2*5132,2*5232,-12,-14,-16,
+ &2*-2,2*-4,-2,-4,5332,-12,-14,-16,2*-2,2*-4,-2,-4,-12,-14,-16/
+ DATA (KFDP(I,1),I=1420,1739)/2*-2,2*-4,-2,-4,-12,-14,-16,2*-2,
+ &2*-4,-2,-4,-12,-14,-16,2*-2,2*-4,-2,-4,-12,-14,-16,2*-2,2*-4,-2,
+ &-4,-12,-14,-16,2*-2,2*-4,-2,-4,-12,-14,-16,2*-2,2*-4,-2,-4,-12,
+ &-14,-16,2*-2,2*-4,-2,-4,-12,-14,-16,2*-2,2*-4,-2,-4,-12,-14,-16,
+ &2*-2,2*-4,-2,-4,-12,-14,-16,2*-2,2*-4,-2,-4,-12,-14,-16,2*-2,
+ &2*-4,-2,-4,-12,-14,-16,2*-2,2*-4,-2,-4,-12,-14,-16,2*-2,2*-4,-2,
+ &-4,-12,-14,-16,2*-2,2*-4,-2,-4,-12,-14,-16,2*-2,2*-4,-2,-4,-12,
+ &-14,-16,2*-2,2*-4,-2,-4,-12,-14,-16,2*-2,2*-4,-2,-4,221,223,221,
+ &223,211,111,321,130,310,213,113,-213,321,311,321,311,323,313,
+ &2*311,321,311,321,313,323,321,211,111,321,130,310,2*211,313,-313,
+ &323,-323,421,411,423,413,411,421,413,423,411,421,423,413,443,
+ &2*82,521,511,523,513,511,521,513,523,521,511,523,513,511,521,513,
+ &523,553,2*21,213,-213,113,213,10211,10111,-10211,2*221,213,2*113,
+ &-213,2*321,2*311,113,323,2*313,323,313,-313,323,-323,423,2*413,
+ &2*423,413,443,82,523,2*513,2*523,2*513,523,553,21,11,13,82,4*443,
+ &10441,20443,445,441,11,13,15,1,2,3,4,21,22,2*553,10551,20553,555,
+ &1000039,-1000024,-1000037,1000022,1000023,1000025,1000035,
+ &1000002,2000002,1000002,2000002,1000021,1000039,1000024,1000037,
+ &1000022,1000023,1000025,1000035,1000001,2000001,1000001,2000001,
+ &1000021,1000039,-1000024,-1000037,1000022,1000023,1000025/
+ DATA (KFDP(I,1),I=1740,1907)/1000035,1000004,2000004,1000004,
+ &2000004,1000021,1000039,1000024,1000037,1000022,1000023,1000025,
+ &1000035,1000003,2000003,1000003,2000003,1000021,1000039,-1000024,
+ &-1000037,1000022,1000023,1000025,1000035,1000006,2000006,1000006,
+ &2000006,1000021,1000039,1000024,1000037,1000022,1000023,1000025,
+ &1000035,1000005,2000005,1000005,2000005,1000021,1000022,1000016,
+ &-1000015,1000039,-1000024,-1000037,1000022,1000023,1000025,
+ &1000035,1000012,2000012,1000012,2000012,1000039,1000024,1000037,
+ &1000022,1000023,1000025,1000035,1000011,2000011,1000011,2000011,
+ &1000039,-1000024,-1000037,1000022,1000023,1000025,1000035,
+ &1000014,2000014,1000014,2000014,1000039,1000024,1000037,1000022,
+ &1000023,1000025,1000035,1000013,2000013,1000013,2000013,1000039,
+ &-1000024,-1000037,1000022,1000023,1000025,1000035,1000016,
+ &2000016,1000016,2000016,1000039,1000024,1000037,1000022,1000023,
+ &1000025,1000035,1000015,2000015,1000015,2000015,1000039,1000001,
+ &-1000001,2000001,-2000001,1000002,-1000002,2000002,-2000002,
+ &1000003,-1000003,2000003,-2000003,1000004,-1000004,2000004,
+ &-2000004,1000005,-1000005,2000005,-2000005,1000006,-1000006,
+ &2000006,-2000006,6*1000022,6*1000023,6*1000025,6*1000035,1000024,
+ &-1000024,1000024,-1000024,1000024,-1000024,1000037,-1000037/
+ DATA (KFDP(I,1),I=1908,2126)/1000037,-1000037,1000037,-1000037,
+ &5*1000039,4,1,5*1000039,16*1000022,1000024,-1000024,1000024,
+ &-1000024,1000024,-1000024,1000024,-1000024,1000024,-1000024,
+ &1000024,-1000024,1000037,-1000037,1000037,-1000037,1000037,
+ &-1000037,1000037,-1000037,1000037,-1000037,1000037,-1000037,
+ &1000024,-1000024,1000037,-1000037,1000001,-1000001,2000001,
+ &-2000001,1000002,-1000002,2000002,-2000002,1000003,-1000003,
+ &2000003,-2000003,1000004,-1000004,2000004,-2000004,1000005,
+ &-1000005,2000005,-2000005,1000006,-1000006,2000006,-2000006,
+ &1000011,-1000011,2000011,-2000011,1000012,-1000012,2000012,
+ &-2000012,1000013,-1000013,2000013,-2000013,1000014,-1000014,
+ &2000014,-2000014,1000015,-1000015,2000015,-2000015,1000016,
+ &-1000016,2000016,-2000016,5*1000021,2*1000039,6*1000022,
+ &6*1000023,6*1000025,6*1000035,1000022,1000023,1000025,1000035,
+ &1000002,2000002,-1000001,-2000001,1000004,2000004,-1000003,
+ &-2000003,1000006,2000006,-1000005,-2000005,1000012,2000012,
+ &-1000011,-2000011,1000014,2000014,-1000013,-2000013,1000016,
+ &2000016,-1000015,-2000015,2*1000021,5*1000039,16*1000022,
+ &16*1000023,1000024,-1000024,1000024,-1000024,1000024,-1000024,
+ &1000024,-1000024,1000024,-1000024,1000024,-1000024,1000037/
+ DATA (KFDP(I,1),I=2127,2315)/-1000037,1000037,-1000037,1000037,
+ &-1000037,1000037,-1000037,1000037,-1000037,1000037,-1000037,
+ &1000024,-1000024,1000037,-1000037,1000001,-1000001,2000001,
+ &-2000001,1000002,-1000002,2000002,-2000002,1000003,-1000003,
+ &2000003,-2000003,1000004,-1000004,2000004,-2000004,1000005,
+ &-1000005,2000005,-2000005,1000006,-1000006,2000006,-2000006,
+ &1000011,-1000011,2000011,-2000011,1000012,-1000012,2000012,
+ &-2000012,1000013,-1000013,2000013,-2000013,1000014,-1000014,
+ &2000014,-2000014,1000015,-1000015,2000015,-2000015,1000016,
+ &-1000016,2000016,-2000016,5*1000021,5*1000039,16*1000022,
+ &16*1000023,16*1000025,1000024,-1000024,1000024,-1000024,1000024,
+ &-1000024,1000024,-1000024,1000024,-1000024,1000024,-1000024,
+ &1000037,-1000037,1000037,-1000037,1000037,-1000037,1000037,
+ &-1000037,1000037,-1000037,1000037,-1000037,1000024,-1000024,
+ &1000037,-1000037,1000001,-1000001,2000001,-2000001,1000002,
+ &-1000002,2000002,-2000002,1000003,-1000003,2000003,-2000003,
+ &1000004,-1000004,2000004,-2000004,1000005,-1000005,2000005,
+ &-2000005,1000006,-1000006,2000006,-2000006,1000011,-1000011,
+ &2000011,-2000011,1000012,-1000012,2000012,-2000012,1000013,
+ &-1000013,2000013,-2000013,1000014,-1000014,2000014,-2000014/
+ DATA (KFDP(I,1),I=2316,2516)/1000015,-1000015,2000015,-2000015,
+ &1000016,-1000016,2000016,-2000016,5*1000021,2*1000039,15*1000024,
+ &6*1000022,6*1000023,6*1000025,6*1000035,1000022,1000023,1000025,
+ &1000035,1000002,2000002,-1000001,-2000001,1000004,2000004,
+ &-1000003,-2000003,1000006,2000006,-1000005,-2000005,1000012,
+ &2000012,-1000011,-2000011,1000014,2000014,-1000013,-2000013,
+ &1000016,2000016,-1000015,-2000015,2*1000021,1000039,-1000024,
+ &-1000037,1000022,1000023,1000025,1000035,4*1000001,1000002,
+ &2000002,1000002,2000002,1000021,1000039,1000024,1000037,1000022,
+ &1000023,1000025,1000035,4*1000002,1000001,2000001,1000001,
+ &2000001,1000021,1000039,-1000024,-1000037,1000022,1000023,
+ &1000025,1000035,4*1000003,1000004,2000004,1000004,2000004,
+ &1000021,1000039,1000024,1000037,1000022,1000023,1000025,1000035,
+ &4*1000004,1000003,2000003,1000003,2000003,1000021,1000039,
+ &-1000024,-1000037,1000022,1000023,1000025,1000035,4*1000005,
+ &1000006,2000006,1000006,2000006,1000021,1000039,1000024,1000037,
+ &1000022,1000023,1000025,1000035,4*1000006,1000005,2000005,
+ &1000005,2000005,1000021,1000039,-1000024,-1000037,1000022,
+ &1000023,1000025,1000035,4*1000011,1000012,2000012,1000012,
+ &2000012,1000039,-1000024,-1000037,1000022,1000023,1000025/
+ DATA (KFDP(I,1),I=2517,4000)/1000035,4*1000013,1000014,2000014,
+ &1000014,2000014,1000039,-1000024,-1000037,1000022,1000023,
+ &1000025,1000035,4*1000015,1000016,2000016,1000016,2000016,21,22,
+ &23,-24,21,22,23,24,22,23,-24,23,24,1447*0/
+ DATA (KFDP(I,2),I= 1, 339)/3*1,2,4,6,8,1,3*2,1,3,5,7,2,3*3,2,4,
+ &6,8,3,3*4,1,3,5,7,4,3*5,2,4,6,8,5,3*6,1,3,5,7,6,5,6*1000006,3*7,
+ &2,4,6,8,7,4,6,3*8,1,3,5,7,8,5,7,2*11,12,11,12,2*11,2*13,14,13,14,
+ &13,11,13,-211,-213,-211,-213,-211,-213,-211,-213,2*-211,-321,
+ &-323,-321,2*-323,3*-321,4*-211,-213,-211,-213,-211,-213,-211,
+ &-213,-211,-213,3*-211,-213,4*-211,-323,-321,2*-211,2*-321,3*-211,
+ &2*15,16,15,16,15,2*17,18,17,2*18,2*17,-1,-2,-3,-4,-5,-6,-7,-8,21,
+ &-1,-2,-3,-4,-5,-6,-7,-8,-11,-13,-15,-17,-1,-2,-3,-4,-5,-6,-7,-8,
+ &-11,-12,-13,-14,-15,-16,-17,-18,2,4,6,8,2,4,6,8,2,4,6,8,2,4,6,8,
+ &12,14,16,18,-1,-2,-3,-4,-5,-6,-7,-8,-11,-13,-15,-17,21,22,2*23,
+ &-24,2*1000022,1000023,1000022,1000023,1000025,1000022,1000023,
+ &1000025,1000035,-1000024,-1000037,-1000024,-1000037,-1000001,
+ &2*-2000001,2000001,-1000002,2*-2000002,2000002,-1000003,
+ &2*-2000003,2000003,-1000004,2*-2000004,2000004,-1000005,
+ &2*-2000005,2000005,-1000006,2*-2000006,2000006,-1000011,
+ &2*-2000011,2000011,-1000012,2*-2000012,2000012,-1000013,
+ &2*-2000013,2000013,-1000014,2*-2000014,2000014,-1000015,
+ &2*-2000015,2000015,-1000016,2*-2000016,2000016,-1,-2,-3,-4,-5,-6,
+ &-7,-8,-11,-12,-13,-14,-15,-16,-17,-18,-24,-37,22,25,2*36,2,4,6,8,
+ &2,4,6,8,2,4,6,8,2,4,6,8,12,14,16,18,23,22,25,-1,-2,-3,-4,-5,-6/
+ DATA (KFDP(I,2),I= 340, 526)/-7,-8,-11,-13,-15,-17,21,22,2*23,
+ &-24,2*25,36,2*1000022,1000023,1000022,1000023,1000025,1000022,
+ &1000023,1000025,1000035,-1000024,-1000037,-1000024,-1000037,
+ &-1000001,2*-2000001,2000001,-1000002,2*-2000002,2000002,-1000003,
+ &2*-2000003,2000003,-1000004,2*-2000004,2000004,-1000005,
+ &2*-2000005,2000005,-1000006,2*-2000006,2000006,-1000011,
+ &2*-2000011,2000011,-1000012,2*-2000012,2000012,-1000013,
+ &2*-2000013,2000013,-1000014,2*-2000014,2000014,-1000015,
+ &2*-2000015,2000015,-1000016,2*-2000016,2000016,-1,-2,-3,-4,-5,-6,
+ &-7,-8,-11,-13,-15,-17,21,22,2*23,-24,25,2*1000022,1000023,
+ &1000022,1000023,1000025,1000022,1000023,1000025,1000035,-1000024,
+ &-1000037,-1000024,-1000037,-1000001,2*-2000001,2000001,-1000002,
+ &2*-2000002,2000002,-1000003,2*-2000003,2000003,-1000004,
+ &2*-2000004,2000004,-1000005,2*-2000005,2000005,-1000006,
+ &2*-2000006,2000006,-1000011,2*-2000011,2000011,-1000012,
+ &2*-2000012,2000012,-1000013,2*-2000013,2000013,-1000014,
+ &2*-2000014,2000014,-1000015,2*-2000015,2000015,-1000016,
+ &2*-2000016,2000016,2,4,6,8,12,14,16,18,25,1000024,1000037,
+ &1000024,1000037,1000024,1000037,1000024,1000037,2*-1000005,
+ &2*-2000005,1000002,1000004,1000012,1000014,2*1000016,-5,-6,21,11/
+ DATA (KFDP(I,2),I= 527, 931)/-3,-4,-5,-6,-7,-8,-13,-15,-17,-3,-4,
+ &-5,-6,-11,-13,-15,21,-3,-5,5,12,14,16,-3,-4,-5,-6,-11,-13,-15,21,
+ &-24,-52,-24,-52,51,53,51,53,-1,-2,-3,-4,-5,-6,-7,-8,-11,-12,-13,
+ &-14,-15,-16,-17,-18,23,51,23,51,22,53,2,4,6,8,2,4,6,8,2,4,6,8,2,
+ &4,6,8,12,14,16,18,2*51,2*53,-52,2*-24,-52,-1,-2,-3,-4,-5,-6,-7,
+ &-8,-11,-12,-13,-14,-15,-16,-17,-18,-11,-13,-15,-13,2*-15,24,-11,
+ &-13,-15,-13,2*-15,63,2,4,6,2,4,6,2,4,6,64,65,66,-82,12,14,-1,-3,
+ &11,13,15,1,4,3,4,1,3,22,11,-211,2*22,-13,-11,-211,211,111,211,
+ &-321,130,310,22,2*111,-211,11,-11,13,-13,-211,111,22,14,12,111,
+ &22,111,3*211,-311,22,211,22,111,-211,211,11,-211,13,22,-211,111,
+ &-211,22,111,-11,-211,111,2*-211,-321,130,310,221,111,-211,111,
+ &2*0,-211,111,22,-211,111,-211,111,-211,211,-213,113,223,221,14,
+ &111,211,111,-11,-13,211,111,22,211,111,211,111,2*211,213,113,223,
+ &221,22,-211,111,113,223,22,111,-321,310,211,111,2*-211,221,22,
+ &-11,-13,-211,-321,130,310,221,-211,111,11*12,11*14,2*211,2*213,
+ &211,20213,2*321,2*323,211,213,211,213,211,213,211,213,211,213,
+ &211,213,3*211,213,211,2*321,8*211,2*113,3*211,111,22,211,111,211,
+ &111,4*211,8*12,8*14,2*211,2*213,2*111,221,2*113,223,333,20213,
+ &211,2*321,323,2*311,313,-211,111,113,2*211,321,2*211,311,321,310,
+ &211,-211,4*211,321,4*211,113,2*211,-321,111,22,-211,111,-211,111/
+ DATA (KFDP(I,2),I= 932,1317)/-211,211,-211,211,16,5*12,5*14,
+ &3*211,3*213,211,2*111,2*113,2*-311,2*-313,-2112,3*321,323,2*-1,
+ &22,111,321,311,321,311,-82,-11,-13,-82,22,-82,6*-11,6*-13,2*-15,
+ &211,213,20213,211,213,20213,431,433,431,433,311,313,311,313,311,
+ &313,-1,-4,-3,-4,-1,-3,22,-211,111,-211,111,-211,211,-211,211,
+ &6*-11,6*-13,2*-15,211,213,20213,211,213,20213,431,433,431,433,
+ &321,323,321,323,321,323,-1,-4,-3,-4,-1,-3,22,211,111,211,111,
+ &4*211,6*-11,6*-13,2*-15,211,213,20213,211,213,20213,431,433,431,
+ &433,221,331,333,221,331,333,221,331,333,-1,-4,-3,-4,-1,-3,22,
+ &-321,-311,-321,-311,-15,-3,-1,2*-11,2*-13,2*-15,-1,-4,-3,-4,-3,
+ &-4,-1,-4,2*12,2*14,2,3,2,3,2*12,2*14,2,1,22,411,421,411,421,21,
+ &-11,-13,-15,-1,-2,-3,-4,2*21,22,21,2*-211,111,22,111,211,22,211,
+ &-211,11,2*-211,111,-211,111,22,11,22,111,-211,211,111,211,22,211,
+ &111,211,-211,22,11,13,11,-211,2*111,2*22,111,211,-321,-211,111,
+ &11,2*-211,7*12,7*14,-321,-323,-311,-313,-311,-313,211,213,211,
+ &213,211,213,111,221,331,113,223,111,221,113,223,321,323,321,-211,
+ &-213,111,221,331,113,223,333,10221,111,221,331,113,223,211,213,
+ &211,213,321,323,321,323,321,323,311,313,311,313,2*-1,-3,-1,2203,
+ &3201,3203,2203,2101,2103,12,14,-1,-3,2*111,2*211,12,14,-1,-3,22,
+ &111,2*22,111,22,12,14,-1,-3,22,12,14,-1,-3,12,14,-1,-3,12,14,-1/
+ DATA (KFDP(I,2),I=1318,1756)/-3,12,14,-1,-3,12,14,-1,-3,12,14,-1,
+ &-3,12,14,-1,-3,2*-211,11,13,15,-211,-213,-20213,-431,-433,3*3122,
+ &1,4,3,4,1,3,11,13,15,1,4,3,4,1,3,11,13,15,1,4,3,4,1,3,2*111,
+ &2*211,11,13,15,1,4,3,4,1,3,11,13,15,1,4,3,4,1,3,4*22,11,13,15,1,
+ &4,3,4,1,3,22,11,13,15,1,4,3,4,1,3,11,13,15,1,4,3,4,1,3,11,13,15,
+ &1,4,3,4,1,3,11,13,15,1,4,3,4,1,3,11,13,15,1,4,3,4,1,3,11,13,15,1,
+ &4,3,4,1,3,11,13,15,1,4,3,4,1,3,11,13,15,1,4,3,4,1,3,11,13,15,1,4,
+ &3,4,1,3,11,13,15,1,4,3,4,1,3,11,13,15,1,4,3,4,1,3,11,13,15,1,4,3,
+ &4,1,3,11,13,15,1,4,3,4,1,3,11,13,15,1,4,3,4,1,3,11,13,15,1,4,3,4,
+ &1,3,11,13,15,1,4,3,4,1,3,11,13,15,1,4,3,4,1,3,11,13,15,1,4,3,4,1,
+ &3,2*111,2*211,-211,111,-321,130,310,-211,111,211,-211,111,-213,
+ &113,-211,111,223,211,111,213,113,211,111,223,-211,111,-321,130,
+ &310,2*-211,-311,311,-321,321,211,111,211,111,-211,111,-211,111,
+ &311,2*321,311,22,2*-82,-211,111,-211,111,211,111,211,111,-321,
+ &-311,-321,-311,411,421,411,421,22,2*21,-211,2*211,111,-211,111,
+ &2*211,111,-211,211,111,211,-321,2*-311,-321,22,-211,111,211,111,
+ &-311,311,-321,321,211,111,-211,111,321,311,22,-82,-211,111,211,
+ &111,-321,-311,411,421,22,21,-11,-13,-82,211,111,221,111,4*22,-11,
+ &-13,-15,-1,-2,-3,-4,2*21,211,111,3*22,1,2*2,4*1,2*-24,2*-37,1,2,
+ &2*1,4*2,2*24,2*37,2,3,2*4,4*3,2*-24,2*-37,3,4,2*3,4*4,2*24,2*37/
+ DATA (KFDP(I,2),I=1757,2220)/4,5,2*6,4*5,2*-24,2*-37,5,6,2*5,4*6,
+ &2*24,2*37,6,4,-15,16,11,2*12,4*11,2*-24,2*-37,12,2*11,4*12,2*24,
+ &2*37,13,2*14,4*13,2*-24,2*-37,14,2*13,4*14,2*24,2*37,15,2*16,
+ &4*15,2*-24,2*-37,16,2*15,4*16,2*24,2*37,21,-1,1,-1,1,-2,2,-2,2,
+ &-3,3,-3,3,-4,4,-4,4,-5,5,-5,5,-6,6,-6,6,1,3,5,2,4,6,1,3,5,2,4,6,
+ &1,3,5,2,4,6,1,3,5,2,4,6,1,-1,3,-3,5,-5,1,-1,3,-3,5,-5,22,23,25,
+ &35,36,-1,-3,22,23,25,35,36,22,23,11,13,15,12,14,16,1,3,5,2,4,25,
+ &35,36,-24,24,11,-11,13,-13,15,-15,1,-1,3,-3,-24,24,11,-11,13,-13,
+ &15,-15,1,-1,3,-3,-37,37,-37,37,-1,1,-1,1,-2,2,-2,2,-3,3,-3,3,-4,
+ &4,-4,4,-5,5,-5,5,-6,6,-6,6,-11,11,-11,11,-12,12,-12,12,-13,13,
+ &-13,13,-14,14,-14,14,-15,15,-15,15,-16,16,-16,16,1,3,5,2,4,24,37,
+ &24,-11,-13,-15,-1,-3,24,-11,-13,-15,-1,-3,24,-11,-13,-15,-1,-3,
+ &24,-11,-13,-15,-1,-3,4*37,2*-1,2*2,2*-3,2*4,2*-5,2*6,2*-11,2*12,
+ &2*-13,2*14,2*-15,2*16,-1,-3,22,23,25,35,36,22,23,11,13,15,12,14,
+ &16,1,3,5,2,4,25,35,36,22,23,11,13,15,12,14,16,1,3,5,2,4,25,35,36,
+ &-24,24,11,-11,13,-13,15,-15,1,-1,3,-3,-24,24,11,-11,13,-13,15,
+ &-15,1,-1,3,-3,-37,37,-37,37,-1,1,-1,1,-2,2,-2,2,-3,3,-3,3,-4,4,
+ &-4,4,-5,5,-5,5,-6,6,-6,6,-11,11,-11,11,-12,12,-12,12,-13,13,-13,
+ &13,-14,14,-14,14,-15,15,-15,15,-16,16,-16,16,1,3,5,2,4,22,23,25,
+ &35,36,22,23,11,13,15,12,14,16,1,3,5,2,4,25,35,36,22,23,11,13,15/
+ DATA (KFDP(I,2),I=2221,4000)/12,14,16,1,3,5,2,4,25,35,36,22,23,
+ &11,13,15,12,14,16,1,3,5,2,4,25,35,36,-24,24,11,-11,13,-13,15,-15,
+ &1,-1,3,-3,-24,24,11,-11,13,-13,15,-15,1,-1,3,-3,-37,37,-37,37,-1,
+ &1,-1,1,-2,2,-2,2,-3,3,-3,3,-4,4,-4,4,-5,5,-5,5,-6,6,-6,6,-11,11,
+ &-11,11,-12,12,-12,12,-13,13,-13,13,-14,14,-14,14,-15,15,-15,15,
+ &-16,16,-16,16,1,3,5,2,4,24,37,23,11,13,15,12,14,16,1,3,5,2,4,25,
+ &35,36,24,-11,-13,-15,-1,-3,24,-11,-13,-15,-1,-3,24,-11,-13,-15,
+ &-1,-3,24,-11,-13,-15,-1,-3,4*37,2*-1,2*2,2*-3,2*4,2*-5,2*6,2*-11,
+ &2*12,2*-13,2*14,2*-15,2*16,-1,-3,1,2*2,4*1,23,25,35,36,2*-24,
+ &2*-37,1,2,2*1,4*2,23,25,35,36,2*24,2*37,2,3,2*4,4*3,23,25,35,36,
+ &2*-24,2*-37,3,4,2*3,4*4,23,25,35,36,2*24,2*37,4,5,2*6,4*5,23,25,
+ &35,36,2*-24,2*-37,5,6,2*5,4*6,23,25,35,36,2*24,2*37,6,11,2*12,
+ &4*11,23,25,35,36,2*-24,2*-37,13,2*14,4*13,23,25,35,36,2*-24,
+ &2*-37,15,2*16,4*15,23,25,35,36,2*-24,2*-37,3*1,4*2,1,2*11,2*12,
+ &11,1447*0/
+ DATA (KFDP(I,3),I= 1,1134)/81*0,14,6*0,2*16,2*0,6*111,310,130,
+ &2*0,3*111,310,130,321,113,211,223,221,2*113,2*211,2*223,2*221,
+ &2*113,221,2*113,2*213,-213,113,2*111,310,130,310,130,2*310,130,
+ &407*0,-5,112*0,4*3,4*4,1,4,3,2*2,0,-11,8*0,-211,5*0,2*111,211,
+ &-211,211,-211,10*0,111,4*0,2*111,-211,-11,11,-13,22,111,3*0,22,
+ &3*0,111,211,4*0,111,11*0,111,-211,6*0,-211,3*111,7*0,111,-211,
+ &5*0,2*221,3*0,111,5*0,111,11*0,-311,-313,-311,-321,-313,-323,111,
+ &221,331,113,223,-311,-313,-311,-321,-313,-323,111,221,331,113,
+ &223,22*0,111,113,2*211,-211,-311,211,111,3*211,-211,7*211,7*0,
+ &111,-211,111,-211,-321,-323,-311,-321,-313,-323,-211,-213,-321,
+ &-323,-311,-321,-313,-323,-211,-213,22*0,111,113,-311,2*-211,211,
+ &-211,310,-211,2*111,211,2*-211,-321,-211,2*211,-211,111,-211,
+ &2*211,6*0,111,-211,111,-211,0,221,331,333,321,311,221,331,333,
+ &321,311,20*0,3,13*0,-411,-413,-10413,-10411,-20413,-415,-411,
+ &-413,-10413,-10411,-20413,-415,-411,-413,16*0,-4,-1,-4,-3,2*-2,
+ &5*0,111,-211,111,-211,-421,-423,-10423,-10421,-20423,-425,-421,
+ &-423,-10423,-10421,-20423,-425,-421,-423,16*0,-4,-1,-4,-3,2*-2,
+ &5*0,111,-211,111,-211,-431,-433,-10433,-10431,-20433,-435,-431,
+ &-433,-10433,-10431,-20433,-435,-431,-433,19*0,-4,-1,-4,-3,2*-2,
+ &8*0,441,443,441,443,441,443,-4,-1,-4,-3,-4,-3,-4,-1,531,533,531/
+ DATA (KFDP(I,3),I=1135,2233)/533,3,2,3,2,511,513,511,513,1,2,
+ &13*0,2*21,11*0,2112,6*0,2212,12*0,2*3122,3212,10*0,3322,2*0,3122,
+ &3212,3214,2112,2114,2212,2112,3122,3212,3214,2112,2114,2212,2112,
+ &52*0,3*3,1,6*0,4*3,4*0,4*3,6*0,4*3,0,28*3,2*0,3*4122,8*0,4,1,4,3,
+ &2*2,4*4,1,4,3,2*2,4*4,1,4,3,2*2,4*0,4*4,1,4,3,2*2,4*4,1,4,3,2*2,
+ &4*0,4*4,1,4,3,2*2,0,4*4,1,4,3,2*2,4*4,1,4,3,2*2,4*4,1,4,3,2*2,
+ &4*4,1,4,3,2*2,4*4,1,4,3,2*2,4*4,1,4,3,2*2,4*4,1,4,3,2*2,4*4,1,4,
+ &3,2*2,4*4,1,4,3,2*2,4*4,1,4,3,2*2,4*4,1,4,3,2*2,4*4,1,4,3,2*2,
+ &4*4,1,4,3,2*2,4*4,1,4,3,2*2,4*4,1,4,3,2*2,4*4,1,4,3,2*2,4*4,1,4,
+ &3,2*2,4*4,1,4,3,2*2,31*0,211,111,45*0,-211,2*111,-211,3*111,-211,
+ &111,211,30*0,-211,111,13*0,2*21,-211,111,76*0,2*5,91*0,-1,-3,-5,
+ &-2,-4,-6,-1,-3,-5,-2,-4,-6,-1,-3,-5,-2,-4,-6,-1,-3,-5,-2,-4,-6,
+ &-2,2,-4,4,-6,6,-2,2,-4,4,-6,6,5*0,11,12,7*0,-11,-13,-15,-12,-14,
+ &-16,-1,-3,-5,-2,-4,5*0,-12,12,-14,14,-16,16,-2,2,-4,4,2*0,-12,12,
+ &-14,14,-16,16,-2,2,-4,4,52*0,-1,-3,-5,-2,-4,3*0,12,14,16,2,4,0,
+ &12,14,16,2,4,0,12,14,16,2,4,0,12,14,16,2,4,28*0,2,4,7*0,-11,-13,
+ &-15,-12,-14,-16,-1,-3,-5,-2,-4,5*0,-11,-13,-15,-12,-14,-16,-1,-3,
+ &-5,-2,-4,5*0,-12,12,-14,14,-16,16,-2,2,-4,4,2*0,-12,12,-14,14,
+ &-16,16,-2,2,-4,4,52*0,-1,-3,-5,-2,-4,7*0,-11,-13,-15,-12,-14,-16,
+ &-1,-3,-5,-2,-4,5*0,-11,-13,-15,-12,-14,-16,-1,-3,-5,-2,-4,5*0/
+ DATA (KFDP(I,3),I=2234,4000)/-11,-13,-15,-12,-14,-16,-1,-3,-5,-2,
+ &-4,5*0,-12,12,-14,14,-16,16,-2,2,-4,4,2*0,-12,12,-14,14,-16,16,
+ &-2,2,-4,4,52*0,-1,-3,-5,-2,-4,3*0,-11,-13,-15,-12,-14,-16,-1,-3,
+ &-5,-2,-4,4*0,12,14,16,2,4,0,12,14,16,2,4,0,12,14,16,2,4,0,12,14,
+ &16,2,4,28*0,2,4,1601*0/
+ DATA (KFDP(I,4),I= 1,4000)/94*0,4*111,6*0,111,2*0,-211,0,-211,
+ &3*0,111,2*-211,0,111,0,2*111,113,221,2*111,-213,-211,211,113,
+ &6*111,310,2*130,520*0,13*81,41*0,-11,10*0,111,-211,4*0,111,62*0,
+ &111,211,111,211,7*0,111,211,111,211,35*0,2*-211,2*111,211,111,
+ &-211,2*211,2*-211,13*0,-211,111,-211,111,4*0,-211,111,-211,111,
+ &34*0,111,-211,3*111,3*-211,2*111,3*-211,14*0,-321,-311,3*0,-321,
+ &-311,20*0,-3,43*0,6*1,39*0,6*2,42*0,6*3,14*0,8*4,4*0,4*-5,4*0,
+ &2*-5,67*0,-211,111,5*0,-211,111,52*0,2101,2103,2*2101,6*0,4*81,
+ &4*0,4*81,6*0,4*81,0,28*81,13*0,6*2101,18*81,4*0,18*81,4*0,9*81,0,
+ &162*81,31*0,-211,111,2398*0/
+ DATA (KFDP(I,5),I= 1,4000)/96*0,2*111,17*0,111,7*0,2*111,0,
+ &3*111,0,111,715*0,-211,2*111,-211,111,-211,111,65*0,111,-211,
+ &3*111,-211,111,3075*0/
+
+C...PYDAT4, with particle names (character strings).
+ DATA (CHAF(I,1),I= 1, 185)/'d','u','s','c','b','t','b''','t''',
+ &2*' ','e-','nu_e','mu-','nu_mu','tau-','nu_tau','tau''-',
+ &'nu''_tau',2*' ','g','gamma','Z0','W+','h0',2*' ','reggeon',
+ &'pomeron',2*' ','Z''0','Z"0','W''+','H0','A0','H+','eta_tech0',
+ &'LQ_ue','R0',10*' ','pi_tech0','pi_tech+','pi''_tech0',
+ &'rho_tech0','rho_tech+','omega_tech',4*' ','H_L++','H_R++',
+ &'W_R+','nu_Re','nu_Rmu','nu_Rtau',14*' ','specflav','rndmflav',
+ &'phasespa','c-hadron','b-hadron',5*' ','cluster','string',
+ &'indep.','CMshower','SPHEaxis','THRUaxis','CLUSjet','CELLjet',
+ &'table',' ','rho_diff0','pi0','rho0','a_20','K_L0','pi_diffr+',
+ &'pi+','rho+','a_2+','omega_di','eta','omega','f_2','K_S0','K0',
+ &'K*0','K*_20','K+','K*+','K*_2+','phi_diff','eta''','phi',
+ &'f''_2','D+','D*+','D*_2+','D0','D*0','D*_20','D_s+','D*_s+',
+ &'D*_2s+','J/psi_di','eta_c','J/psi','chi_2c','B0','B*0','B*_20',
+ &'B+','B*+','B*_2+','B_s0','B*_s0','B*_2s0','B_c+','B*_c+',
+ &'B*_2c+','eta_b','Upsilon','chi_2b','dd_1','Delta-','ud_0',
+ &'ud_1','n_diffr0','n0','Delta0','uu_1','p_diffr+','p+','Delta+',
+ &'Delta++','sd_0','sd_1','Sigma-','Sigma*-','Lambda0','su_0',
+ &'su_1','Sigma0','Sigma*0','Sigma+','Sigma*+','ss_1','Xi-','Xi*-',
+ &'Xi0','Xi*0','Omega-','cd_0','cd_1','Sigma_c0','Sigma*_c0'/
+ DATA (CHAF(I,1),I= 186, 315)/'Lambda_c+','Xi_c0','cu_0','cu_1',
+ &'Sigma_c+','Sigma*_c+','Sigma_c++','Sigma*_c++','Xi_c+','cs_0',
+ &'cs_1','Xi''_c0','Xi*_c0','Xi''_c+','Xi*_c+','Omega_c0',
+ &'Omega*_c0','cc_1','Xi_cc+','Xi*_cc+','Xi_cc++','Xi*_cc++',
+ &'Omega_cc+','Omega*_cc+','Omega*_ccc++','bd_0','bd_1','Sigma_b-',
+ &'Sigma*_b-','Lambda_b0','Xi_b-','Xi_bc0','bu_0','bu_1',
+ &'Sigma_b0','Sigma*_b0','Sigma_b+','Sigma*_b+','Xi_b0','Xi_bc+',
+ &'bs_0','bs_1','Xi''_b-','Xi*_b-','Xi''_b0','Xi*_b0','Omega_b-',
+ &'Omega*_b-','Omega_bc0','bc_0','bc_1','Xi''_bc0','Xi*_bc0',
+ &'Xi''_bc+','Xi*_bc+','Omega''_bc0','Omega*_bc0','Omega_bcc+',
+ &'Omega*_bcc+','bb_1','Xi_bb-','Xi*_bb-','Xi_bb0','Xi*_bb0',
+ &'Omega_bb-','Omega*_bb-','Omega_bbc0','Omega*_bbc0',
+ &'Omega*_bbb-','a_00','b_10','a_0+','b_1+','f_0','h_1','K*_00',
+ &'K_10','K*_0+','K_1+','f''_0','h''_1','D*_0+','D_1+','D*_00',
+ &'D_10','D*_0s+','D_1s+','chi_0c','h_1c','B*_00','B_10','B*_0+',
+ &'B_1+','B*_0s0','B_1s0','B*_0c+','B_1c+','chi_0b','h_1b','a_10',
+ &'a_1+','f_1','K*_10','K*_1+','f''_1','D*_1+','D*_10','D*_1s+',
+ &'chi_1c','B*_10','B*_1+','B*_1s0','B*_1c+','chi_1b','psi''',
+ &'Upsilon''','~d_L','~u_L','~s_L','~c_L','~b_1','~t_1','~e_L-',
+ &'~nu_eL','~mu_L-','~nu_muL','~tau_1-','~nu_tauL','~g','~chi_10'/
+ DATA (CHAF(I,1),I= 316, 500)/'~chi_20','~chi_1+','~chi_30',
+ &'~chi_40','~chi_2+','~gravitino','~d_R','~u_R','~s_R','~c_R',
+ &'~b_2','~t_2','~e_R-','~nu_eR','~mu_R-','~nu_muR','~tau_2-',
+ &'~nu_tauR','d*','u*','e*-','nu*_e0',163*' '/
+ DATA (CHAF(I,2),I= 1, 198)/'dbar','ubar','sbar','cbar','bbar',
+ &'tbar','b''bar','t''bar',2*' ','e+','nu_ebar','mu+','nu_mubar',
+ &'tau+','nu_taubar','tau''+','nu''_taubar',5*' ','W-',9*' ',
+ &'W''-',2*' ','H-',' ','LQ_uebar','Rbar0',11*' ','pi_tech-',2*' ',
+ &'rho_tech-',5*' ','H_L--','H_R--','W_R-','nu_Rebar','nu_Rmubar',
+ &'nu_Rtaubar',15*' ','rndmflavbar',' ','c-hadronbar',
+ &'b-hadronbar',20*' ','pi_diffr-','pi-','rho-','a_2-',5*' ',
+ &'Kbar0','K*bar0','K*_2bar0','K-','K*-','K*_2-',4*' ','D-','D*-',
+ &'D*_2-','Dbar0','D*bar0','D*_2bar0','D_s-','D*_s-','D*_2s-',
+ &4*' ','Bbar0','B*bar0','B*_2bar0','B-','B*-','B*_2-','B_sbar0',
+ &'B*_sbar0','B*_2sbar0','B_c-','B*_c-','B*_2c-',3*' ','dd_1bar',
+ &'Deltabar+','ud_0bar','ud_1bar','n_diffrbar0','nbar0',
+ &'Deltabar0','uu_1bar','p_diffrbar-','pbar-','Deltabar-',
+ &'Deltabar--','sd_0bar','sd_1bar','Sigmabar+','Sigma*bar+',
+ &'Lambdabar0','su_0bar','su_1bar','Sigmabar0','Sigma*bar0',
+ &'Sigmabar-','Sigma*bar-','ss_1bar','Xibar+','Xi*bar+','Xibar0',
+ &'Xi*bar0','Omegabar+','cd_0bar','cd_1bar','Sigma_cbar0',
+ &'Sigma*_cbar0','Lambda_cbar-','Xi_cbar0','cu_0bar','cu_1bar',
+ &'Sigma_cbar-','Sigma*_cbar-','Sigma_cbar--','Sigma*_cbar--',
+ &'Xi_cbar-','cs_0bar','cs_1bar','Xi''_cbar0','Xi*_cbar0'/
+ DATA (CHAF(I,2),I= 199, 308)/'Xi''_cbar-','Xi*_cbar-',
+ &'Omega_cbar0','Omega*_cbar0','cc_1bar','Xi_ccbar-','Xi*_ccbar-',
+ &'Xi_ccbar--','Xi*_ccbar--','Omega_ccbar-','Omega*_ccbar-',
+ &'Omega*_cccbar-','bd_0bar','bd_1bar','Sigma_bbar+',
+ &'Sigma*_bbar+','Lambda_bbar0','Xi_bbar+','Xi_bcbar0','bu_0bar',
+ &'bu_1bar','Sigma_bbar0','Sigma*_bbar0','Sigma_bbar-',
+ &'Sigma*_bbar-','Xi_bbar0','Xi_bcbar-','bs_0bar','bs_1bar',
+ &'Xi''_bbar+','Xi*_bbar+','Xi''_bbar0','Xi*_bbar0','Omega_bbar+',
+ &'Omega*_bbar+','Omega_bcbar0','bc_0bar','bc_1bar','Xi''_bcbar0',
+ &'Xi*_bcbar0','Xi''_bcbar-','Xi*_bcbar-','Omega''_bcba',
+ &'Omega*_bcbar0','Omega_bccbar-','Omega*_bccbar-','bb_1bar',
+ &'Xi_bbbar+','Xi*_bbbar+','Xi_bbbar0','Xi*_bbbar0','Omega_bbbar+',
+ &'Omega*_bbbar+','Omega_bbcbar0','Omega*_bbcbar0',
+ &'Omega*_bbbbar+',2*' ','a_0-','b_1-',2*' ','K*_0bar0','K_1bar0',
+ &'K*_0-','K_1-',2*' ','D*_0-','D_1-','D*_0bar0','D_1bar0',
+ &'D*_0s-','D_1s-',2*' ','B*_0bar0','B_1bar0','B*_0-','B_1-',
+ &'B*_0sbar0','B_1sbar0','B*_0c-','B_1c-',3*' ','a_1-',' ',
+ &'K*_1bar0','K*_1-',' ','D*_1-','D*_1bar0','D*_1s-',' ',
+ &'B*_1bar0','B*_1-','B*_1sbar0','B*_1c-',3*' ','~d_Lbar',
+ &'~u_Lbar','~s_Lbar','~c_Lbar','~b_1bar','~t_1bar','~e_L+'/
+ DATA (CHAF(I,2),I= 309, 500)/'~nu_eLbar','~mu_L+','~nu_muLbar',
+ &'~tau_1+','~nu_tauLbar',3*' ','~chi_1-',2*' ','~chi_2-',' ',
+ &'~d_Rbar','~u_Rbar','~s_Rbar','~c_Rbar','~b_2bar','~t_2bar',
+ &'~e_R+','~nu_eRbar','~mu_R+','~nu_muRbar','~tau_2+',
+ &'~nu_tauRbar','d*bar','u*bar','e*bar+','nu*_ebar0',163*' '/
+
+C...PYDATR, with initial values for the random number generator.
+ DATA MRPY/19780503,0,0,97,33,0/
+
+C...Default values for allowed processes and kinematics constraints.
+ DATA MSEL/1/
+ DATA MSUB/500*0/
+ DATA ((KFIN(I,J),J=-40,40),I=1,2)/16*0,4*1,4*0,6*1,5*0,5*1,0,
+ &5*1,5*0,6*1,4*0,4*1,16*0,16*0,4*1,4*0,6*1,5*0,5*1,0,5*1,5*0,
+ &6*1,4*0,4*1,16*0/
+ DATA CKIN/
+ & 2.0D0, -1.0D0, 0.0D0, -1.0D0, 1.0D0,
+ & 1.0D0, -10D0, 10D0, -40D0, 40D0,
+ 1 -40D0, 40D0, -40D0, 40D0, -40D0,
+ 1 40D0, -1.0D0, 1.0D0, -1.0D0, 1.0D0,
+ 2 0.0D0, 1.0D0, 0.0D0, 1.0D0, -1.0D0,
+ 2 1.0D0, -1.0D0, 1.0D0, 0D0, 0D0,
+ 3 2.0D0, -1.0D0, 0D0, 0D0, 0.0D0,
+ 3 -1.0D0, 0.0D0, -1.0D0, 4.0D0, -1.0D0,
+ 4 12.0D0, -1.0D0, 12.0D0, -1.0D0, 12.0D0,
+ 4 -1.0D0, 12.0D0, -1.0D0, 0D0, 0D0,
+ 5 0.0D0, -1.0D0, 0.0D0, -1.0D0, 0.0D0,
+ 5 -1.0D0, 0D0, 0D0, 0D0, 0D0,
+ 6 0.0001D0, 0.99D0, 0.0001D0, 0.99D0, 0D0,
+ 6 -1D0, 0D0, -1D0, 0D0, -1D0,
+ 7 0D0, -1D0, 0.0001D0, 0.99D0, 0.0001D0,
+ 7 0.99D0, 2D0, -1D0, 0D0, 0D0,
+ 8 120*0D0/
+
+C...Default values for main switches and parameters. Reset information.
+ DATA (MSTP(I),I=1,100)/
+ & 3, 1, 2, 0, 0, 0, 0, 0, 0, 0,
+ 1 1, 0, 1, 30, 0, 1, 4, 3, 4, 3,
+ 2 1, 0, 1, 0, 0, 0, 0, 0, 0, 1,
+ 3 1, 8, 0, 1, 0, 2, 1, 5, 2, 0,
+ 4 1, 1, 3, 7, 3, 1, 1, 0, 1, 0,
+ 5 4, 1, 3, 1, 5, 1, 1, 5, 1, 7,
+ 6 1, 3, 2, 2, 1, 5, 2, 1, 0, 0,
+ 7 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 8 1, 1, 100, 0, 0, 2, 0, 0, 0, 0,
+ 9 1, 3, 1, 3, 0, 0, 0, 0, 0, 0/
+ DATA (MSTP(I),I=101,200)/
+ & 3, 1, 0, 0, 0, 0, 0, 0, 0, 0,
+ 1 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
+ 2 0, 1, 2, 1, 1, 50, 0, 0, 10, 0,
+ 3 0, 4, 0, 1, 0, 0, 0, 0, 0, 0,
+ 4 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 5 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 6 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 7 0, 2, 0, 0, 0, 0, 0, 0, 0, 0,
+ 8 6, 150, 2000, 06, 30, 0, 0, 0, 0, 0,
+ 9 0, 0, 0, 0, 0, 0, 0, 0, 0, 0/
+ DATA (PARP(I),I=1,100)/
+ & 0.25D0, 10D0, 8*0D0,
+ 1 0D0, 0D0, 1.0D0, 0.01D0, 0.5D0, 1.0D0, 1.0D0, 0.4D0, 2*0D0,
+ 2 10*0D0,
+ 3 1.5D0,2.0D0,0.075D0,1.0D0,0.2D0,0D0,2.0D0,0.70D0,0.006D0,0D0,
+ 4 0.02D0,2.0D0,0.10D0,1000D0,2054D0, 123D0, 246D0, 50D0, 2*0D0,
+ 5 10*0D0,
+ 6 0.25D0, 1.0D0,0.25D0, 1.0D0, 2.0D0,1D-3, 1.0D0,1D-3,2*0D0,
+ 7 4.0D0, 0.25D0, 8*0D0,
+ 8 1.90D0, 2.10D0, 0.5D0, 0.2D0, 0.33D0,
+ 8 0.66D0, 0.7D0, 0.5D0, 1000D0, 0.16D0,
+ 9 1.0D0,0.40D0,5.0D0,1.0D0,0D0,3.0D0,1.0D0,0.75D0,1.0D0,5.0D0/
+ DATA (PARP(I),I=101,200)/
+ & 0.5D0, 0.28D0, 1.0D0, 0.8D0, 6*0D0,
+ 1 2.0D0, 3*0D0, 1.5D0, 0.5D0, 0.6D0, 2.5D0, 2.0D0, 1.0D0,
+ 2 1.0D0, 0.4D0, 8*0D0,
+ 3 0.01D0, 8*0D0, 0D0,
+ 4 0.33333D0, 82D0, 1.33333D0, 4D0, 1D0,
+ 4 1D0, .0182D0, 1D0, 0D0, 1.33333D0,
+ 5 0D0, 0D0, 0D0, 0D0, 6*0D0,
+ 6 2.20D0, 23.6D0, 18.4D0, 11.5D0, 0.5D0, 0D0, 0D0, 0D0, 2*0D0,
+ 7 0D0, 0D0, 0D0, 1.0D0, 6*0D0,
+ 8 0.1D0, 0.01D0, 0.01D0, 0.01D0, 0.1D0, 0.01D0, 0.01D0, 0.01D0,
+ 8 0.3D0, 0.64D0,
+ 9 0.64D0, 5.0D0, 8*0D0/
+ DATA MSTI/200*0/
+ DATA PARI/200*0D0/
+ DATA MINT/400*0/
+ DATA VINT/400*0D0/
+
+C...Constants for the generation of the various processes.
+ DATA (ISET(I),I=1,100)/
+ & 1, 1, 1, -1, 3, -1, -1, 3, -2, 2,
+ 1 2, 2, 2, 2, 2, 2, -1, 2, 2, 2,
+ 2 -1, 2, 2, 2, 2, 2, -1, 2, 2, 2,
+ 3 2, 2, 2, 2, 2, 2, -1, -1, -1, -1,
+ 4 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ 5 -1, -1, 2, 2, -1, -1, -1, 2, -1, -1,
+ 6 -1, -1, -1, -1, -1, -1, -1, 2, 2, 2,
+ 7 4, 4, 4, -1, -1, 4, 4, -1, -1, 2,
+ 8 2, 2, 2, 2, 2, 2, 2, 2, 2, -2,
+ 9 0, 0, 0, 0, 0, 9, -2, -2, 8, -2/
+ DATA (ISET(I),I=101,200)/
+ & -1, 1, 1, 1, 1, 2, 2, 2, -2, 2,
+ 1 2, 2, 2, 2, 2, -1, -1, -1, -2, -2,
+ 2 5, 5, 5, 5, -2, -2, -2, -2, -2, -2,
+ 3 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 4 1, 1, 1, 1, 1, 1, 1, 1, 1, -2,
+ 5 1, 1, 1, -2, -2, 1, 1, 1, -2, -2,
+ 6 2, 2, 2, 2, 2, 2, 2, 2, 2, -2,
+ 7 2, 2, 5, 5, -2, 2, 2, 5, 5, -2,
+ 8 5, 5, -2, -2, -2, 5, 5, -2, -2, -2,
+ 9 1, 1, 1, 2, 2, -2, -2, -2, -2, -2/
+ DATA (ISET(I),I=201,300)/
+ & 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 1 2, 2, 2, 2, -2, 2, 2, 2, 2, 2,
+ 2 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 3 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 4 2, 2, 2, 2, -1, 2, 2, 2, 2, 2,
+ 5 2, 2, 2, 2, -1, 2, -1, 2, 2, -2,
+ 6 2, 2, 2, 2, 2, -1, -1, -1, -1, -1,
+ 7 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 8 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 9 2, 2, 2, 2, 2, 2, 2, 2, 2, 2/
+ DATA (ISET(I),I=301,500)/
+ & 2, 39*-2,
+ 4 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
+ 5 5, 5, -1, -1, -1, -1, -1, -1, -1, -1,
+ 6 2, 2, 2, 2, 2, 2, 2, 2, -1, 2,
+ 7 2, 2, 2, 2, 2, 2, 2, -1, -1, -1,
+ 8 120*-2/
+ DATA ((KFPR(I,J),J=1,2),I=1,50)/
+ & 23, 0, 24, 0, 25, 0, 24, 0, 25, 0,
+ & 24, 0, 23, 0, 25, 0, 0, 0, 0, 0,
+ 1 0, 0, 0, 0, 21, 21, 21, 22, 21, 23,
+ 1 21, 24, 21, 25, 22, 22, 22, 23, 22, 24,
+ 2 22, 25, 23, 23, 23, 24, 23, 25, 24, 24,
+ 2 24, 25, 25, 25, 0, 21, 0, 22, 0, 23,
+ 3 0, 24, 0, 25, 0, 21, 0, 22, 0, 23,
+ 3 0, 24, 0, 25, 0, 21, 0, 22, 0, 23,
+ 4 0, 24, 0, 25, 0, 21, 0, 22, 0, 23,
+ 4 0, 24, 0, 25, 0, 21, 0, 22, 0, 23/
+ DATA ((KFPR(I,J),J=1,2),I=51,100)/
+ 5 0, 24, 0, 25, 0, 0, 0, 0, 0, 0,
+ 5 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 6 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 6 0, 0, 0, 0, 21, 21, 24, 24, 23, 24,
+ 7 23, 23, 24, 24, 23, 24, 23, 25, 22, 22,
+ 7 23, 23, 24, 24, 24, 25, 25, 25, 0, 211,
+ 8 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 8 443, 21,10441, 21,20443, 21, 445, 21, 0, 0,
+ 9 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 9 0, 0, 0, 0, 0, 0, 0, 0, 0, 0/
+ DATA ((KFPR(I,J),J=1,2),I=101,150)/
+ & 23, 0, 25, 0, 25, 0,10441, 0, 445, 0,
+ & 443, 22, 443, 21, 443, 22, 0, 0, 22, 25,
+ 1 21, 25, 0, 25, 21, 25, 22, 22, 21, 22,
+ 1 22, 23, 23, 23, 24, 24, 0, 0, 0, 0,
+ 2 25, 6, 25, 6, 25, 0, 25, 0, 0, 0,
+ 2 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 3 0, 21, 0, 21, 0, 22, 0, 22, 0, 0,
+ 3 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 4 32, 0, 34, 0, 37, 0, 40, 0, 39, 0,
+ 4 4000011, 0, 4000001, 0, 4000002, 0, 38, 0, 0, 0/
+ DATA ((KFPR(I,J),J=1,2),I=151,200)/
+ 5 35, 0, 35, 0, 35, 0, 0, 0, 0, 0,
+ 5 36, 0, 36, 0, 36, 0, 0, 0, 0, 0,
+ 6 6, 37, 39, 0, 39, 39, 39, 39, 11, 0,
+ 6 11, 0, 0, 4000001, 0, 4000002, 0, 4000011, 0, 0,
+ 7 23, 35, 24, 35, 35, 0, 35, 0, 0, 0,
+ 7 23, 36, 24, 36, 36, 0, 36, 0, 0, 0,
+ 8 35, 6, 35, 6, 0, 0, 0, 0, 0, 0,
+ 8 36, 6, 36, 6, 0, 0, 0, 0, 0, 0,
+ 9 54, 0, 55, 0, 56, 0, 11, 0, 11, 0,
+ 9 0, 0, 0, 0, 0, 0, 0, 0, 0, 0/
+ DATA ((KFPR(I,J),J=1,2),I=201,250)/
+ & 1000011, 1000011, 2000011, 2000011, 1000011,
+ & 2000011, 1000013, 1000013, 2000013, 2000013,
+ & 1000013, 2000013, 1000015, 1000015, 2000015,
+ & 2000015, 1000015, 2000015, 1000011, 1000012,
+ 1 1000015, 1000016, 2000015, 1000016, 1000012,
+ 1 1000012, 1000016, 1000016, 0, 0,
+ 1 1000022, 1000022, 1000023, 1000023, 1000025,
+ 1 1000025, 1000035, 1000035, 1000022, 1000023,
+ 2 1000022, 1000025, 1000022, 1000035, 1000023,
+ 2 1000025, 1000023, 1000035, 1000025, 1000035,
+ 2 1000024, 1000024, 1000037, 1000037, 1000024,
+ 2 1000037, 1000022, 1000024, 1000023, 1000024,
+ 3 1000025, 1000024, 1000035, 1000024, 1000022,
+ 3 1000037, 1000023, 1000037, 1000025, 1000037,
+ 3 1000035, 1000037, 1000021, 1000022, 1000021,
+ 3 1000023, 1000021, 1000025, 1000021, 1000035,
+ 4 1000021, 1000024, 1000021, 1000037, 1000021,
+ 4 1000021, 1000021, 1000021, 0, 0,
+ 4 1000002, 1000022, 2000002, 1000022, 1000002,
+ 4 1000023, 2000002, 1000023, 1000002, 1000025/
+ DATA ((KFPR(I,J),J=1,2),I=251,300)/
+ 5 2000002, 1000025, 1000002, 1000035, 2000002,
+ 5 1000035, 1000001, 1000024, 2000005, 1000024,
+ 5 1000001, 1000037, 2000005, 1000037, 1000002,
+ 5 1000021, 2000002, 1000021, 0, 0,
+ 6 1000006, 1000006, 2000006, 2000006, 1000006,
+ 6 2000006, 1000006, 1000006, 2000006, 2000006,
+ 6 0, 0, 0, 0, 0,
+ 6 0, 0, 0, 0, 0,
+ 7 1000002, 1000002, 2000002, 2000002, 1000002,
+ 7 2000002, 1000002, 1000002, 2000002, 2000002,
+ 7 1000002, 2000002, 1000002, 1000002, 2000002,
+ 7 2000002, 1000002, 1000002, 2000002, 2000002,
+ 8 1000005, 1000002, 2000005, 2000002, 1000005,
+ 8 2000002, 1000005, 1000002, 2000005, 2000002,
+ 8 1000005, 2000002, 1000005, 1000005, 2000005,
+ 8 2000005, 1000005, 1000005, 2000005, 2000005,
+ 9 1000005, 1000005, 2000005, 2000005, 1000005,
+ 9 2000005, 1000005, 1000021, 2000005, 1000021,
+ 9 1000005, 2000005, 37, 25, 37,
+ 9 35, 36, 25, 36, 35/
+ DATA ((KFPR(I,J),J=1,2),I=301,500)/
+ & 37, 37, 78*0,
+ 4 61, 0, 62, 0, 61,
+ 4 11, 62, 11, 61, 13,
+ 4 62, 13, 61, 15, 62,
+ 4 15, 61, 61, 62, 62,
+ 5 61, 0, 62, 0, 0,
+ 5 0, 0, 0, 0, 0,
+ 5 0, 0, 0, 0, 0,
+ 5 0, 0, 0, 0, 0,
+ 6 24, 24, 24, 52, 52,
+ 6 52, 22, 51, 22, 53,
+ 6 23, 51, 23, 53, 24,
+ 6 52, 0, 0, 24, 23,
+ 7 24, 51, 52, 23, 52,
+ 7 51, 22, 52, 23, 52,
+ 7 24, 51, 24, 53, 0,
+ 7 0, 0, 0, 0, 0,
+ 8 240*0/
+ DATA COEF/10000*0D0/
+ DATA (((ICOL(I,J,K),K=1,2),J=1,4),I=1,40)/
+ &4,0,3,0,2,0,1,0,3,0,4,0,1,0,2,0,2,0,0,1,4,0,0,3,3,0,0,4,1,0,0,2,
+ &3,0,0,4,1,4,3,2,4,0,0,3,4,2,1,3,2,0,4,1,4,0,2,3,4,0,3,4,2,0,1,2,
+ &3,2,1,0,1,4,3,0,4,3,3,0,2,1,1,0,3,2,1,4,1,0,0,2,2,4,3,1,2,0,0,1,
+ &3,2,1,4,1,4,3,2,4,2,1,3,4,2,1,3,3,4,4,3,1,2,2,1,2,0,3,1,2,0,0,0,
+ &4,2,1,0,0,0,1,0,3,0,0,3,1,2,0,0,4,0,0,4,0,0,1,2,2,0,0,1,4,4,3,3,
+ &2,2,1,1,4,4,3,3,3,3,4,4,1,1,2,2,3,2,1,3,1,2,0,0,4,2,1,4,0,0,1,2,
+ &4,0,0,0,4,0,1,3,0,0,3,0,2,4,3,0,3,4,0,0,1,0,0,1,0,0,3,4,2,0,0,2,
+ &3,0,0,0,1,0,0,0,0,0,3,0,2,0,0,0,2,0,3,1,2,0,0,0,3,2,1,0,1,0,0,0,
+ &4,4,3,3,2,2,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ &0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0/
+
+C...Treatment of resonances.
+ DATA (MWID(I) ,I= 1, 500)/5*0,3*1,8*0,1,5*0,3*1,6*0,1,0,7*1,
+ &10*0,6*1,4*0,3*1,238*0,19*2,0,7*2,0,2,0,2,0,4*1,163*0/
+
+C...Character constants: name of processes.
+ DATA PROC(0)/ 'All included subprocesses '/
+ DATA (PROC(I),I=1,20)/
+ &'f + fbar -> gamma*/Z0 ', 'f + fbar'' -> W+/- ',
+ &'f + fbar -> h0 ', 'gamma + W+/- -> W+/- ',
+ &'Z0 + Z0 -> h0 ', 'Z0 + W+/- -> W+/- ',
+ &' ', 'W+ + W- -> h0 ',
+ &' ', 'f + f'' -> f + f'' (QFD) ',
+ 1'f + f'' -> f + f'' (QCD) ','f + fbar -> f'' + fbar'' ',
+ 1'f + fbar -> g + g ', 'f + fbar -> g + gamma ',
+ 1'f + fbar -> g + Z0 ', 'f + fbar'' -> g + W+/- ',
+ 1'f + fbar -> g + h0 ', 'f + fbar -> gamma + gamma ',
+ 1'f + fbar -> gamma + Z0 ', 'f + fbar'' -> gamma + W+/- '/
+ DATA (PROC(I),I=21,40)/
+ 2'f + fbar -> gamma + h0 ', 'f + fbar -> Z0 + Z0 ',
+ 2'f + fbar'' -> Z0 + W+/- ', 'f + fbar -> Z0 + h0 ',
+ 2'f + fbar -> W+ + W- ', 'f + fbar'' -> W+/- + h0 ',
+ 2'f + fbar -> h0 + h0 ', 'f + g -> f + g ',
+ 2'f + g -> f + gamma ', 'f + g -> f + Z0 ',
+ 3'f + g -> f'' + W+/- ', 'f + g -> f + h0 ',
+ 3'f + gamma -> f + g ', 'f + gamma -> f + gamma ',
+ 3'f + gamma -> f + Z0 ', 'f + gamma -> f'' + W+/- ',
+ 3'f + gamma -> f + h0 ', 'f + Z0 -> f + g ',
+ 3'f + Z0 -> f + gamma ', 'f + Z0 -> f + Z0 '/
+ DATA (PROC(I),I=41,60)/
+ 4'f + Z0 -> f'' + W+/- ', 'f + Z0 -> f + h0 ',
+ 4'f + W+/- -> f'' + g ', 'f + W+/- -> f'' + gamma ',
+ 4'f + W+/- -> f'' + Z0 ', 'f + W+/- -> f'' + W+/- ',
+ 4'f + W+/- -> f'' + h0 ', 'f + h0 -> f + g ',
+ 4'f + h0 -> f + gamma ', 'f + h0 -> f + Z0 ',
+ 5'f + h0 -> f'' + W+/- ', 'f + h0 -> f + h0 ',
+ 5'g + g -> f + fbar ', 'g + gamma -> f + fbar ',
+ 5'g + Z0 -> f + fbar ', 'g + W+/- -> f + fbar'' ',
+ 5'g + h0 -> f + fbar ', 'gamma + gamma -> f + fbar ',
+ 5'gamma + Z0 -> f + fbar ', 'gamma + W+/- -> f + fbar'' '/
+ DATA (PROC(I),I=61,80)/
+ 6'gamma + h0 -> f + fbar ', 'Z0 + Z0 -> f + fbar ',
+ 6'Z0 + W+/- -> f + fbar'' ', 'Z0 + h0 -> f + fbar ',
+ 6'W+ + W- -> f + fbar ', 'W+/- + h0 -> f + fbar'' ',
+ 6'h0 + h0 -> f + fbar ', 'g + g -> g + g ',
+ 6'gamma + gamma -> W+ + W- ', 'gamma + W+/- -> Z0 + W+/- ',
+ 7'Z0 + Z0 -> Z0 + Z0 ', 'Z0 + Z0 -> W+ + W- ',
+ 7'Z0 + W+/- -> Z0 + W+/- ', 'Z0 + Z0 -> Z0 + h0 ',
+ 7'W+ + W- -> gamma + gamma ', 'W+ + W- -> Z0 + Z0 ',
+ 7'W+/- + W+/- -> W+/- + W+/- ', 'W+/- + h0 -> W+/- + h0 ',
+ 7'h0 + h0 -> h0 + h0 ', 'q + gamma -> q'' + pi+/- '/
+ DATA (PROC(I),I=81,100)/
+ 8'q + qbar -> Q + Qbar, mass ', 'g + g -> Q + Qbar, massive ',
+ 8'f + q -> f'' + Q, massive ', 'g + gamma -> Q + Qbar, mass ',
+ 8'gamma + gamma -> F + Fbar, m', 'g + g -> J/Psi + g ',
+ 8'g + g -> chi_0c + g ', 'g + g -> chi_1c + g ',
+ 8'g + g -> chi_2c + g ', ' ',
+ 9'Elastic scattering ', 'Single diffractive (XB) ',
+ 9'Single diffractive (AX) ', 'Double diffractive ',
+ 9'Low-pT scattering ', 'Semihard QCD 2 -> 2 ',
+ 9' ', ' ',
+ 9'q + gamma* -> q ', ' '/
+ DATA (PROC(I),I=101,120)/
+ &'g + g -> gamma*/Z0 ', 'g + g -> h0 ',
+ &'gamma + gamma -> h0 ', 'g + g -> chi_0c ',
+ &'g + g -> chi_2c ', 'g + g -> J/Psi + gamma ',
+ &'gamma + g -> J/Psi + g ', 'gamma+gamma -> J/Psi + gamma',
+ &' ', 'f + fbar -> gamma + h0 ',
+ 1'f + fbar -> g + h0 ', 'q + g -> q + h0 ',
+ 1'g + g -> g + h0 ', 'g + g -> gamma + gamma ',
+ 1'g + g -> g + gamma ', 'g + g -> gamma + Z0 ',
+ 1'g + g -> Z0 + Z0 ', 'g + g -> W+ + W- ',
+ 1' ', ' '/
+ DATA (PROC(I),I=121,140)/
+ 2'g + g -> Q + Qbar + h0 ', 'q + qbar -> Q + Qbar + h0 ',
+ 2'f + f'' -> f + f'' + h0 ',
+ 2'f + f'' -> f" + f"'' + h0 ',
+ 2' ', ' ',
+ 2' ', ' ',
+ 2' ', ' ',
+ 3'f + gamma*_T -> f + g ', 'f + gamma*_L -> f + g ',
+ 3'f + gamma*_T -> f + gamma ', 'f + gamma*_L -> f + gamma ',
+ 3'g + gamma*_T -> f + fbar ', 'g + gamma*_L -> f + fbar ',
+ 3'gamma*_T+gamma*_T -> f+fbar ', 'gamma*_T+gamma*_L -> f+fbar ',
+ 3'gamma*_L+gamma*_T -> f+fbar ', 'gamma*_L+gamma*_L -> f+fbar '/
+ DATA (PROC(I),I=141,160)/
+ 4'f + fbar -> gamma*/Z0/Z''0 ', 'f + fbar'' -> W''+/- ',
+ 4'f + fbar'' -> H+/- ', 'f + fbar'' -> R ',
+ 4'q + l -> LQ ', 'e + gamma -> e* ',
+ 4'd + g -> d* ', 'u + g -> u* ',
+ 4'g + g -> eta_techni ', ' ',
+ 5'f + fbar -> H0 ', 'g + g -> H0 ',
+ 5'gamma + gamma -> H0 ', ' ',
+ 5' ', 'f + fbar -> A0 ',
+ 5'g + g -> A0 ', 'gamma + gamma -> A0 ',
+ 5' ', ' '/
+ DATA (PROC(I),I=161,180)/
+ 6'f + g -> f'' + H+/- ', 'q + g -> LQ + lbar ',
+ 6'g + g -> LQ + LQbar ', 'q + qbar -> LQ + LQbar ',
+ 6'f + fbar -> f'' + fbar'' (g/Z)',
+ 6'f +fbar'' -> f" + fbar"'' (W) ',
+ 6'q + q'' -> q" + d* ', 'q + q'' -> q" + u* ',
+ 6'q + qbar -> e + e* ', ' ',
+ 7'f + fbar -> Z0 + H0 ', 'f + fbar'' -> W+/- + H0 ',
+ 7'f + f'' -> f + f'' + H0 ',
+ 7'f + f'' -> f" + f"'' + H0 ',
+ 7' ', 'f + fbar -> Z0 + A0 ',
+ 7'f + fbar'' -> W+/- + A0 ',
+ 7'f + f'' -> f + f'' + A0 ',
+ 7'f + f'' -> f" + f"'' + A0 ',
+ 7' '/
+ DATA (PROC(I),I=181,200)/
+ 8'g + g -> Q + Qbar + H0 ', 'q + qbar -> Q + Qbar + H0 ',
+ 8' ', ' ',
+ 8' ', 'g + g -> Q + Qbar + A0 ',
+ 8'q + qbar -> Q + Qbar + A0 ', ' ',
+ 8' ', ' ',
+ 9'f + fbar -> rho_tech0 ', 'f + f'' -> rho_tech+/- ',
+ 9'f + fbar -> omega_tech0 ', 'f+fbar -> f''+fbar'' (ETC) ',
+ 9'f+fbar'' -> f"+fbar"'' (ETC)',' ',
+ 9' ', ' ',
+ 9' ', ' '/
+ DATA (PROC(I),I=201,220)/
+ &'f + fbar -> ~e_L + ~e_Lbar ', 'f + fbar -> ~e_R + ~e_Rbar ',
+ &'f + fbar -> ~e_R + ~e_Lbar ', 'f + fbar -> ~mu_L + ~mu_Lbar',
+ &'f + fbar -> ~mu_R + ~mu_Rbar', 'f + fbar -> ~mu_L + ~mu_Rbar',
+ &'f+fbar -> ~tau_1 + ~tau_1bar', 'f+fbar -> ~tau_2 + ~tau_2bar',
+ &'f+fbar -> ~tau_1 + ~tau_2bar', 'q + qbar'' -> ~l_L + ~nulbar ',
+ 1'q+qbar''-> ~tau_1 + ~nutaubar', 'q+qbar''-> ~tau_2 + ~nutaubar',
+ 1'f + fbar -> ~nul + ~nulbar ', 'f+fbar -> ~nutau + ~nutaubar',
+ 1' ', 'f + fbar -> ~chi1 + ~chi1 ',
+ 1'f + fbar -> ~chi2 + ~chi2 ', 'f + fbar -> ~chi3 + ~chi3 ',
+ 1'f + fbar -> ~chi4 + ~chi4 ', 'f + fbar -> ~chi1 + ~chi2 '/
+ DATA (PROC(I),I=221,240)/
+ 2'f + fbar -> ~chi1 + ~chi3 ', 'f + fbar -> ~chi1 + ~chi4 ',
+ 2'f + fbar -> ~chi2 + ~chi3 ', 'f + fbar -> ~chi2 + ~chi4 ',
+ 2'f + fbar -> ~chi3 + ~chi4 ', 'f+fbar -> ~chi+-1 + ~chi-+1 ',
+ 2'f+fbar -> ~chi+-2 + ~chi-+2 ', 'f+fbar -> ~chi+-1 + ~chi-+2 ',
+ 2'q + qbar'' -> ~chi1 + ~chi+-1', 'q + qbar'' -> ~chi2 + ~chi+-1',
+ 3'q + qbar'' -> ~chi3 + ~chi+-1', 'q + qbar'' -> ~chi4 + ~chi+-1',
+ 3'q + qbar'' -> ~chi1 + ~chi+-2', 'q + qbar'' -> ~chi2 + ~chi+-2',
+ 3'q + qbar'' -> ~chi3 + ~chi+-2', 'q + qbar'' -> ~chi4 + ~chi+-2',
+ 3'q + qbar -> ~chi1 + ~g ', 'q + qbar -> ~chi2 + ~g ',
+ 3'q + qbar -> ~chi3 + ~g ', 'q + qbar -> ~chi4 + ~g '/
+ DATA (PROC(I),I=241,260)/
+ 4'q + qbar'' -> ~chi+-1 + ~g ', 'q + qbar'' -> ~chi+-2 + ~g ',
+ 4'q + qbar -> ~g + ~g ', 'g + g -> ~g + ~g ',
+ 4' ', 'qj + g -> ~qj_L + ~chi1 ',
+ 4'qj + g -> ~qj_R + ~chi1 ', 'qj + g -> ~qj_L + ~chi2 ',
+ 4'qj + g -> ~qj_R + ~chi2 ', 'qj + g -> ~qj_L + ~chi3 ',
+ 5'qj + g -> ~qj_R + ~chi3 ', 'qj + g -> ~qj_L + ~chi4 ',
+ 5'qj + g -> ~qj_R + ~chi4 ', 'qj + g -> ~qk_L + ~chi+-1 ',
+ 5'qj + g -> ~qk_R + ~chi+-1 ', 'qj + g -> ~qk_L + ~chi+-2 ',
+ 5'qj + g -> ~qk_R + ~chi+-2 ', 'qj + g -> ~qj_L + ~g ',
+ 5'qj + g -> ~qj_R + ~g ', ' '/
+ DATA (PROC(I),I=261,300)/
+ 6'f + fbar -> ~t_1 + ~t_1bar ', 'f + fbar -> ~t_2 + ~t_2bar ',
+ 6'f + fbar -> ~t_1 + ~t_2bar ', 'g + g -> ~t_1 + ~t_1bar ',
+ 6'g + g -> ~t_2 + ~t_2bar ', ' ',
+ 6' ', ' ',
+ 6' ', ' ',
+ 7'qi + qj -> ~qi_L + ~qj_L ', 'qi + qj -> ~qi_R + ~qj_R ',
+ 7'qi + qj -> ~qi_L + ~qj_R ', 'qi+qjbar -> ~qi_L + ~qj_Lbar',
+ 7'qi+qjbar -> ~qi_R + ~qj_Rbar', 'qi+qjbar -> ~qi_L + ~qj_Rbar',
+ 7'f + fbar -> ~qi_L + ~qi_Lbar', 'f + fbar -> ~qi_R + ~qi_Rbar',
+ 7'g + g -> ~qi_L + ~qi_Lbar ', 'g + g -> ~qi_R + ~qi_Rbar ',
+ 8'b + qj -> ~b_1 + ~qj_L ', 'b + qj -> ~b_2 + ~qj_R ',
+ 8'b + qj -> ~b_1 + ~qj_R ', 'b + qjbar -> ~b_1 + ~qj_Lbar',
+ 8'b + qjbar -> ~b_2 + ~qj_Rbar', 'b + qjbar -> ~b_1 + ~qj_Rbar',
+ 8'f + fbar -> ~b_1 + ~b_1bar ', 'f + fbar -> ~b_2 + ~b_2bar ',
+ 8'g + g -> ~b_1 + ~b_1bar ', 'g + g -> ~b_2 + ~b_2bar ',
+ 9'b + b -> ~b_1 + ~b_1 ', 'b + b -> ~b_2 + ~b_2 ',
+ 9'b + b -> ~b_1 + ~b_2 ', 'b + g -> ~b_1 + ~g ',
+ 9'b + g -> ~b_2 + ~g ', 'b + bbar -> ~b_1 + ~b_2bar ',
+ 9'f + fbar'' -> H+/- + h0 ', 'f + fbar -> H+/- + H0 ',
+ 9'f + fbar -> A0 + h0 ', 'f + fbar -> A0 + H0 '/
+ DATA (PROC(I),I=301,340)/
+ &'f + fbar -> H+ + H- ', 39*' '/
+ DATA (PROC(I),I=341,500)/
+ 4'l + l -> H_L++/-- ', 'l + l -> H_R++/-- ',
+ 4'l + gamma -> H_L++/-- e-/+ ', 'l + gamma -> H_R++/-- e-/+ ',
+ 4'l + gamma -> H_L++/-- mu-/+ ', 'l + gamma -> H_R++/-- mu-/+ ',
+ 4'l + gamma -> H_L++/-- tau-/+', 'l + gamma -> H_R++/-- tau-/+',
+ 4'f + fbar -> H_L++ + H_L-- ', 'f + fbar -> H_R++ + H_R-- ',
+ 5'f + f -> f'' + f'' + H_L++/-- ',
+ 5'f + f -> f'' + f'' + H_R++/-- ', 7*' ',
+ 6' ', 'f + fbar -> W_L+ W_L- ',
+ 6'f + fbar -> W_L+/- pi_T-/+ ', 'f + fbar -> pi_T+ pi_T- ',
+ 6'f + fbar -> gamma pi_T0 ', 'f + fbar -> gamma pi_T0'' ',
+ 6'f + fbar -> Z0 pi_T0 ', 'f + fbar -> Z0 pi_T0'' ',
+ 6'f + fbar -> W+/- pi_T-/+ ', ' ',
+ 7'f + fbar'' -> W_L+/- Z_L0 ', 'f + fbar'' -> W_L+/- pi_T0 ',
+ 7'f + fbar'' -> pi_T+/- Z_L0 ', 'f + fbar'' -> pi_T+/- pi_T0 ',
+ 7'f + fbar'' -> gamma pi_T+/- ', 'f + fbar'' -> Z0 pi_T+/- ',
+ 7'f + fbar'' -> W+/- pi_T0 ',
+ 7'f + fbar'' -> W+/- pi_T0'' ',
+ 7' ',' ',
+ 8 121*' '/
+
+C...Cross sections and slope offsets.
+ DATA SIGT/294*0D0/
+
+C...Supersymmetry switches and parameters.
+ DATA IMSS/0,
+ & 0, 0, 0, 1, 0, 0, 0, 1, 0, 0,
+ 1 89*0/
+ DATA RMSS/0D0,
+ & 80D0,160D0,500D0,800D0,2D0,250D0,200D0,800D0,700D0,800D0,
+ 1 700D0,500D0,250D0,200D0,800D0,400D0,0D0,0.1D0,850D0,0.041D0,
+ 2 1D0,800D0,1D4,1D4,1D4,0D0,0D0,0D0,24D17,0D0,
+ 3 69*0D0/
+
+C...Data for histogramming routines.
+ DATA IHIST/1000,20000,55,1/
+ DATA INDX/1000*0/
+
+ END
+
+C*********************************************************************
+
+C...PYTEST
+C...A simple program (disguised as subroutine) to run at installation
+C...as a check that the program works as intended.
+
+ SUBROUTINE PYTEST(MTEST)
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYJETS/N,NPAD,K(4000,5),P(4000,5),V(4000,5)
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYDAT3/MDCY(500,3),MDME(4000,2),BRAT(4000),KFDP(4000,5)
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ SAVE /PYJETS/,/PYDAT1/,/PYDAT2/,/PYDAT3/,/PYSUBS/,/PYPARS/
+C...Local arrays.
+ DIMENSION PSUM(5),PINI(6),PFIN(6)
+
+C...Save defaults for values that are changed.
+ MSTJ1=MSTJ(1)
+ MSTJ3=MSTJ(3)
+ MSTJ11=MSTJ(11)
+ MSTJ42=MSTJ(42)
+ MSTJ43=MSTJ(43)
+ MSTJ44=MSTJ(44)
+ PARJ17=PARJ(17)
+ PARJ22=PARJ(22)
+ PARJ43=PARJ(43)
+ PARJ54=PARJ(54)
+ MST101=MSTJ(101)
+ MST104=MSTJ(104)
+ MST105=MSTJ(105)
+ MST107=MSTJ(107)
+ MST116=MSTJ(116)
+
+C...First part: loop over simple events to be generated.
+ IF(MTEST.GE.1) CALL PYTABU(20)
+ NERR=0
+ DO 180 IEV=1,500
+
+C...Reset parameter values. Switch on some nonstandard features.
+ MSTJ(1)=1
+ MSTJ(3)=0
+ MSTJ(11)=1
+ MSTJ(42)=2
+ MSTJ(43)=4
+ MSTJ(44)=2
+ PARJ(17)=0.1D0
+ PARJ(22)=1.5D0
+ PARJ(43)=1D0
+ PARJ(54)=-0.05D0
+ MSTJ(101)=5
+ MSTJ(104)=5
+ MSTJ(105)=0
+ MSTJ(107)=1
+ IF(IEV.EQ.301.OR.IEV.EQ.351.OR.IEV.EQ.401) MSTJ(116)=3
+
+C...Ten events each for some single jets configurations.
+ IF(IEV.LE.50) THEN
+ ITY=(IEV+9)/10
+ MSTJ(3)=-1
+ IF(ITY.EQ.3.OR.ITY.EQ.4) MSTJ(11)=2
+ IF(ITY.EQ.1) CALL PY1ENT(1,1,15D0,0D0,0D0)
+ IF(ITY.EQ.2) CALL PY1ENT(1,3101,15D0,0D0,0D0)
+ IF(ITY.EQ.3) CALL PY1ENT(1,-2203,15D0,0D0,0D0)
+ IF(ITY.EQ.4) CALL PY1ENT(1,-4,30D0,0D0,0D0)
+ IF(ITY.EQ.5) CALL PY1ENT(1,21,15D0,0D0,0D0)
+
+C...Ten events each for some simple jet systems; string fragmentation.
+ ELSEIF(IEV.LE.130) THEN
+ ITY=(IEV-41)/10
+ IF(ITY.EQ.1) CALL PY2ENT(1,1,-1,40D0)
+ IF(ITY.EQ.2) CALL PY2ENT(1,4,-4,30D0)
+ IF(ITY.EQ.3) CALL PY2ENT(1,2,2103,100D0)
+ IF(ITY.EQ.4) CALL PY2ENT(1,21,21,40D0)
+ IF(ITY.EQ.5) CALL PY3ENT(1,2101,21,-3203,30D0,0.6D0,0.8D0)
+ IF(ITY.EQ.6) CALL PY3ENT(1,5,21,-5,40D0,0.9D0,0.8D0)
+ IF(ITY.EQ.7) CALL PY3ENT(1,21,21,21,60D0,0.7D0,0.5D0)
+ IF(ITY.EQ.8) CALL PY4ENT(1,2,21,21,-2,40D0,
+ & 0.4D0,0.64D0,0.6D0,0.12D0,0.2D0)
+
+C...Seventy events with independent fragmentation and momentum cons.
+ ELSEIF(IEV.LE.200) THEN
+ ITY=1+(IEV-131)/16
+ MSTJ(2)=1+MOD(IEV-131,4)
+ MSTJ(3)=1+MOD((IEV-131)/4,4)
+ IF(ITY.EQ.1) CALL PY2ENT(1,4,-5,40D0)
+ IF(ITY.EQ.2) CALL PY3ENT(1,3,21,-3,40D0,0.9D0,0.4D0)
+ IF(ITY.EQ.3) CALL PY4ENT(1,2,21,21,-2,40D0,
+ & 0.4D0,0.64D0,0.6D0,0.12D0,0.2D0)
+ IF(ITY.GE.4) CALL PY4ENT(1,2,-3,3,-2,40D0,
+ & 0.4D0,0.64D0,0.6D0,0.12D0,0.2D0)
+
+C...A hundred events with random jets (check invariant mass).
+ ELSEIF(IEV.LE.300) THEN
+ 100 DO 110 J=1,5
+ PSUM(J)=0D0
+ 110 CONTINUE
+ NJET=2D0+6D0*PYR(0)
+ DO 130 I=1,NJET
+ KFL=21
+ IF(I.EQ.1) KFL=INT(1D0+4D0*PYR(0))
+ IF(I.EQ.NJET) KFL=-INT(1D0+4D0*PYR(0))
+ EJET=5D0+20D0*PYR(0)
+ THETA=ACOS(2D0*PYR(0)-1D0)
+ PHI=6.2832D0*PYR(0)
+ IF(I.LT.NJET) CALL PY1ENT(-I,KFL,EJET,THETA,PHI)
+ IF(I.EQ.NJET) CALL PY1ENT(I,KFL,EJET,THETA,PHI)
+ IF(I.EQ.1.OR.I.EQ.NJET) MSTJ(93)=1
+ IF(I.EQ.1.OR.I.EQ.NJET) PSUM(5)=PSUM(5)+PYMASS(KFL)
+ DO 120 J=1,4
+ PSUM(J)=PSUM(J)+P(I,J)
+ 120 CONTINUE
+ 130 CONTINUE
+ IF(PSUM(4)**2-PSUM(1)**2-PSUM(2)**2-PSUM(3)**2.LT.
+ & (PSUM(5)+PARJ(32))**2) GOTO 100
+
+C...Fifty e+e- continuum events with matrix elements.
+ ELSEIF(IEV.LE.350) THEN
+ MSTJ(101)=2
+ CALL PYEEVT(0,40D0)
+
+C...Fifty e+e- continuum event with varying shower options.
+ ELSEIF(IEV.LE.400) THEN
+ MSTJ(42)=1+MOD(IEV,2)
+ MSTJ(43)=1+MOD(IEV/2,4)
+ MSTJ(44)=MOD(IEV/8,3)
+ CALL PYEEVT(0,90D0)
+
+C...Fifty e+e- continuum events with coherent shower.
+ ELSEIF(IEV.LE.450) THEN
+ CALL PYEEVT(0,500D0)
+
+C...Fifty Upsilon decays to ggg or gammagg with coherent shower.
+ ELSE
+ CALL PYONIA(5,9.46D0)
+ ENDIF
+
+C...Generate event. Find total momentum, energy and charge.
+ DO 140 J=1,4
+ PINI(J)=PYP(0,J)
+ 140 CONTINUE
+ PINI(6)=PYP(0,6)
+ CALL PYEXEC
+ DO 150 J=1,4
+ PFIN(J)=PYP(0,J)
+ 150 CONTINUE
+ PFIN(6)=PYP(0,6)
+
+C...Check conservation of energy, momentum and charge;
+C...usually exact, but only approximate for single jets.
+ MERR=0
+ IF(IEV.LE.50) THEN
+ IF((PFIN(1)-PINI(1))**2+(PFIN(2)-PINI(2))**2.GE.10D0)
+ & MERR=MERR+1
+ EPZREM=PINI(4)+PINI(3)-PFIN(4)-PFIN(3)
+ IF(EPZREM.LT.0D0.OR.EPZREM.GT.2D0*PARJ(31)) MERR=MERR+1
+ IF(ABS(PFIN(6)-PINI(6)).GT.2.1D0) MERR=MERR+1
+ ELSE
+ DO 160 J=1,4
+ IF(ABS(PFIN(J)-PINI(J)).GT.0.0001D0*PINI(4)) MERR=MERR+1
+ 160 CONTINUE
+ IF(ABS(PFIN(6)-PINI(6)).GT.0.1D0) MERR=MERR+1
+ ENDIF
+ IF(MERR.NE.0) WRITE(MSTU(11),5000) (PINI(J),J=1,4),PINI(6),
+ & (PFIN(J),J=1,4),PFIN(6)
+
+C...Check that all KF codes are known ones, and that partons/particles
+C...satisfy energy-momentum-mass relation. Store particle statistics.
+ DO 170 I=1,N
+ IF(K(I,1).GT.20) GOTO 170
+ IF(PYCOMP(K(I,2)).EQ.0) THEN
+ WRITE(MSTU(11),5100) I
+ MERR=MERR+1
+ ENDIF
+ PD=P(I,4)**2-P(I,1)**2-P(I,2)**2-P(I,3)**2-P(I,5)**2
+ IF(ABS(PD).GT.MAX(0.1D0,0.001D0*P(I,4)**2).OR.P(I,4).LT.0D0)
+ & THEN
+ WRITE(MSTU(11),5200) I
+ MERR=MERR+1
+ ENDIF
+ 170 CONTINUE
+ IF(MTEST.GE.1) CALL PYTABU(21)
+
+C...List all erroneous events and some normal ones.
+ IF(MERR.NE.0.OR.MSTU(24).NE.0.OR.MSTU(28).NE.0) THEN
+ IF(MERR.GE.1) WRITE(MSTU(11),6400)
+ CALL PYLIST(2)
+ ELSEIF(MTEST.GE.1.AND.MOD(IEV-5,100).EQ.0) THEN
+ CALL PYLIST(1)
+ ENDIF
+
+C...Stop execution if too many errors.
+ IF(MERR.NE.0) NERR=NERR+1
+ IF(NERR.GE.10) THEN
+ WRITE(MSTU(11),6300)
+ CALL PYLIST(1)
+ STOP
+ ENDIF
+ 180 CONTINUE
+
+C...Summarize result of run.
+ IF(MTEST.GE.1) CALL PYTABU(22)
+
+C...Reset commonblock variables changed during run.
+ MSTJ(1)=MSTJ1
+ MSTJ(3)=MSTJ3
+ MSTJ(11)=MSTJ11
+ MSTJ(42)=MSTJ42
+ MSTJ(43)=MSTJ43
+ MSTJ(44)=MSTJ44
+ PARJ(17)=PARJ17
+ PARJ(22)=PARJ22
+ PARJ(43)=PARJ43
+ PARJ(54)=PARJ54
+ MSTJ(101)=MST101
+ MSTJ(104)=MST104
+ MSTJ(105)=MST105
+ MSTJ(107)=MST107
+ MSTJ(116)=MST116
+
+C...Second part: complete events of various kinds.
+C...Common initial values. Loop over initiating conditions.
+ MSTP(122)=MAX(0,MIN(2,MTEST))
+ MDCY(PYCOMP(111),1)=0
+ DO 230 IPROC=1,8
+
+C...Reset process type, kinematics cuts, and the flags used.
+ MSEL=0
+ DO 190 ISUB=1,500
+ MSUB(ISUB)=0
+ 190 CONTINUE
+ CKIN(1)=2D0
+ CKIN(3)=0D0
+ MSTP(2)=1
+ MSTP(11)=0
+ MSTP(33)=0
+ MSTP(81)=1
+ MSTP(82)=1
+ MSTP(111)=1
+ MSTP(131)=0
+ MSTP(133)=0
+ PARP(131)=0.01D0
+
+C...Prompt photon production at fixed target.
+ IF(IPROC.EQ.1) THEN
+ PZSUM=300D0
+ PESUM=SQRT(PZSUM**2+PYMASS(211)**2)+PYMASS(2212)
+ PQSUM=2D0
+ MSEL=10
+ CKIN(3)=5D0
+ CALL PYINIT('FIXT','pi+','p',PZSUM)
+
+C...QCD processes at ISR energies.
+ ELSEIF(IPROC.EQ.2) THEN
+ PESUM=63D0
+ PZSUM=0D0
+ PQSUM=2D0
+ MSEL=1
+ CKIN(3)=5D0
+ CALL PYINIT('CMS','p','p',PESUM)
+
+C...W production + multiple interactions at CERN Collider.
+ ELSEIF(IPROC.EQ.3) THEN
+ PESUM=630D0
+ PZSUM=0D0
+ PQSUM=0D0
+ MSEL=12
+ CKIN(1)=20D0
+ MSTP(82)=4
+ MSTP(2)=2
+ MSTP(33)=3
+ CALL PYINIT('CMS','p','pbar',PESUM)
+
+C...W/Z gauge boson pairs + pileup events at the Tevatron.
+ ELSEIF(IPROC.EQ.4) THEN
+ PESUM=1800D0
+ PZSUM=0D0
+ PQSUM=0D0
+ MSUB(22)=1
+ MSUB(23)=1
+ MSUB(25)=1
+ CKIN(1)=200D0
+ MSTP(111)=0
+ MSTP(131)=1
+ MSTP(133)=2
+ PARP(131)=0.04D0
+ CALL PYINIT('CMS','p','pbar',PESUM)
+
+C...Higgs production at LHC.
+ ELSEIF(IPROC.EQ.5) THEN
+ PESUM=15400D0
+ PZSUM=0D0
+ PQSUM=2D0
+ MSUB(3)=1
+ MSUB(102)=1
+ MSUB(123)=1
+ MSUB(124)=1
+ PMAS(25,1)=300D0
+ CKIN(1)=200D0
+ MSTP(81)=0
+ MSTP(111)=0
+ CALL PYINIT('CMS','p','p',PESUM)
+
+C...Z' production at SSC.
+ ELSEIF(IPROC.EQ.6) THEN
+ PESUM=40000D0
+ PZSUM=0D0
+ PQSUM=2D0
+ MSEL=21
+ PMAS(32,1)=600D0
+ CKIN(1)=400D0
+ MSTP(81)=0
+ MSTP(111)=0
+ CALL PYINIT('CMS','p','p',PESUM)
+
+C...W pair production at 1 TeV e+e- collider.
+ ELSEIF(IPROC.EQ.7) THEN
+ PESUM=1000D0
+ PZSUM=0D0
+ PQSUM=0D0
+ MSUB(25)=1
+ MSUB(69)=1
+ MSTP(11)=1
+ CALL PYINIT('CMS','e+','e-',PESUM)
+
+C...Deep inelastic scattering at a LEP+LHC ep collider.
+ ELSEIF(IPROC.EQ.8) THEN
+ P(1,1)=0D0
+ P(1,2)=0D0
+ P(1,3)=8000D0
+ P(2,1)=0D0
+ P(2,2)=0D0
+ P(2,3)=-80D0
+ PESUM=8080D0
+ PZSUM=7920D0
+ PQSUM=0D0
+ MSUB(10)=1
+ CKIN(3)=50D0
+ MSTP(111)=0
+ CALL PYINIT('USER','p','e-',PESUM)
+ ENDIF
+
+C...Generate 20 events of each required type.
+ DO 220 IEV=1,20
+ CALL PYEVNT
+ PESUMM=PESUM
+ IF(IPROC.EQ.4) PESUMM=MSTI(41)*PESUM
+
+C...Check conservation of energy/momentum/flavour.
+ PINI(1)=0D0
+ PINI(2)=0D0
+ PINI(3)=PZSUM
+ PINI(4)=PESUMM
+ PINI(6)=PQSUM
+ DO 200 J=1,4
+ PFIN(J)=PYP(0,J)
+ 200 CONTINUE
+ PFIN(6)=PYP(0,6)
+ MERR=0
+ DEVE=ABS(PFIN(4)-PINI(4))+ABS(PFIN(3)-PINI(3))
+ DEVT=ABS(PFIN(1)-PINI(1))+ABS(PFIN(2)-PINI(2))
+ DEVQ=ABS(PFIN(6)-PINI(6))
+ IF(DEVE.GT.2D-3*PESUM.OR.DEVT.GT.MAX(0.01D0,1D-4*PESUM).OR.
+ & DEVQ.GT.0.1D0) MERR=1
+ IF(MERR.NE.0) WRITE(MSTU(11),5000) (PINI(J),J=1,4),PINI(6),
+ & (PFIN(J),J=1,4),PFIN(6)
+
+C...Check that all KF codes are known ones, and that partons/particles
+C...satisfy energy-momentum-mass relation.
+ DO 210 I=1,N
+ IF(K(I,1).GT.20) GOTO 210
+ IF(PYCOMP(K(I,2)).EQ.0) THEN
+ WRITE(MSTU(11),5100) I
+ MERR=MERR+1
+ ENDIF
+ PD=P(I,4)**2-P(I,1)**2-P(I,2)**2-P(I,3)**2-P(I,5)**2*
+ & SIGN(1D0,P(I,5))
+ IF(ABS(PD).GT.MAX(0.1D0,0.002D0*P(I,4)**2,0.002D0*P(I,5)**2)
+ & .OR.(P(I,5).GE.0D0.AND.P(I,4).LT.0D0)) THEN
+ WRITE(MSTU(11),5200) I
+ MERR=MERR+1
+ ENDIF
+ 210 CONTINUE
+
+C...Listing of erroneous events, and first event of each type.
+ IF(MERR.GE.1) NERR=NERR+1
+ IF(NERR.GE.10) THEN
+ WRITE(MSTU(11),6300)
+ CALL PYLIST(1)
+ STOP
+ ENDIF
+ IF(MTEST.GE.1.AND.(MERR.GE.1.OR.IEV.EQ.1)) THEN
+ IF(MERR.GE.1) WRITE(MSTU(11),6400)
+ CALL PYLIST(1)
+ ENDIF
+ 220 CONTINUE
+
+C...List statistics for each process type.
+ IF(MTEST.GE.1) CALL PYSTAT(1)
+ 230 CONTINUE
+
+C...Summarize result of run.
+ IF(NERR.EQ.0) WRITE(MSTU(11),6500)
+ IF(NERR.GT.0) WRITE(MSTU(11),6600) NERR
+
+C...Format statements for output.
+ 5000 FORMAT(/' Momentum, energy and/or charge were not conserved ',
+ &'in following event'/' sum of',9X,'px',11X,'py',11X,'pz',11X,
+ &'E',8X,'charge'/' before',2X,4(1X,F12.5),1X,F8.2/' after',3X,
+ &4(1X,F12.5),1X,F8.2)
+ 5100 FORMAT(/5X,'Entry no.',I4,' in following event not known code')
+ 5200 FORMAT(/5X,'Entry no.',I4,' in following event has faulty ',
+ &'kinematics')
+ 6300 FORMAT(/5X,'This is the tenth error experienced! Something is ',
+ &'wrong.'/5X,'Execution will be stopped after listing of event.')
+ 6400 FORMAT(5X,'Faulty event follows:')
+ 6500 FORMAT(//5X,'End result of PYTEST: no errors detected.')
+ 6600 FORMAT(//5X,'End result of PYTEST:',I2,' errors detected.'/
+ &5X,'This should not have happened!')
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYHEPC
+C...Converts PYTHIA event record contents to or from
+C...the standard event record commonblock.
+
+ SUBROUTINE PYHEPC(MCONV)
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYJETS/N,NPAD,K(4000,5),P(4000,5),V(4000,5)
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ SAVE /PYJETS/,/PYDAT1/,/PYDAT2/
+C...HEPEVT commonblock.
+ PARAMETER (NMXHEP=4000)
+ COMMON/HEPEVT/NEVHEP,NHEP,ISTHEP(NMXHEP),IDHEP(NMXHEP),
+ &JMOHEP(2,NMXHEP),JDAHEP(2,NMXHEP),PHEP(5,NMXHEP),VHEP(4,NMXHEP)
+ DOUBLE PRECISION PHEP,VHEP
+ SAVE /HEPEVT/
+
+C...Conversion from PYTHIA to standard, the easy part.
+ IF(MCONV.EQ.1) THEN
+ NEVHEP=0
+ IF(N.GT.NMXHEP) CALL PYERRM(8,
+ & '(PYHEPC:) no more space in /HEPEVT/')
+ NHEP=MIN(N,NMXHEP)
+ DO 140 I=1,NHEP
+ ISTHEP(I)=0
+ IF(K(I,1).GE.1.AND.K(I,1).LE.10) ISTHEP(I)=1
+ IF(K(I,1).GE.11.AND.K(I,1).LE.20) ISTHEP(I)=2
+ IF(K(I,1).GE.21.AND.K(I,1).LE.30) ISTHEP(I)=3
+ IF(K(I,1).GE.31.AND.K(I,1).LE.100) ISTHEP(I)=K(I,1)
+ IDHEP(I)=K(I,2)
+ JMOHEP(1,I)=K(I,3)
+ JMOHEP(2,I)=0
+ IF(K(I,1).NE.3.AND.K(I,1).NE.13.AND.K(I,1).NE.14) THEN
+ JDAHEP(1,I)=K(I,4)
+ JDAHEP(2,I)=K(I,5)
+ ELSE
+ JDAHEP(1,I)=0
+ JDAHEP(2,I)=0
+ ENDIF
+ DO 100 J=1,5
+ PHEP(J,I)=P(I,J)
+ 100 CONTINUE
+ DO 110 J=1,4
+ VHEP(J,I)=V(I,J)
+ 110 CONTINUE
+
+C...Check if new event (from pileup).
+ IF(I.EQ.1) THEN
+ INEW=1
+ ELSE
+ IF(K(I,1).EQ.21.AND.K(I-1,1).NE.21) INEW=I
+ ENDIF
+
+C...Fill in missing mother information.
+ IF(I.GE.INEW+2.AND.K(I,1).EQ.21.AND.K(I,3).EQ.0) THEN
+ IMO1=I-2
+ IF(I.GE.INEW+3.AND.K(I-1,1).EQ.21.AND.K(I-1,3).EQ.0)
+ & IMO1=IMO1-1
+ JMOHEP(1,I)=IMO1
+ JMOHEP(2,I)=IMO1+1
+ ELSEIF(K(I,2).GE.91.AND.K(I,2).LE.93) THEN
+ I1=K(I,3)-1
+ 120 I1=I1+1
+ IF(I1.GE.I) CALL PYERRM(8,
+ & '(PYHEPC:) translation of inconsistent event history')
+ IF(I1.LT.I.AND.K(I1,1).NE.1.AND.K(I1,1).NE.11) GOTO 120
+ KC=PYCOMP(K(I1,2))
+ IF(I1.LT.I.AND.KC.EQ.0) GOTO 120
+ IF(I1.LT.I.AND.KCHG(KC,2).EQ.0) GOTO 120
+ JMOHEP(2,I)=I1
+ ELSEIF(K(I,2).EQ.94) THEN
+ NJET=2
+ IF(NHEP.GE.I+3.AND.K(I+3,3).LE.I) NJET=3
+ IF(NHEP.GE.I+4.AND.K(I+4,3).LE.I) NJET=4
+ JMOHEP(2,I)=MOD(K(I+NJET,4)/MSTU(5),MSTU(5))
+ IF(JMOHEP(2,I).EQ.JMOHEP(1,I)) JMOHEP(2,I)=
+ & MOD(K(I+1,4)/MSTU(5),MSTU(5))
+ ENDIF
+
+C...Fill in missing daughter information.
+ IF(K(I,2).EQ.94.AND.MSTU(16).NE.2) THEN
+ DO 130 I1=JDAHEP(1,I),JDAHEP(2,I)
+ I2=MOD(K(I1,4)/MSTU(5),MSTU(5))
+ JDAHEP(1,I2)=I
+ 130 CONTINUE
+ ENDIF
+ IF(K(I,2).GE.91.AND.K(I,2).LE.94) GOTO 140
+ I1=JMOHEP(1,I)
+ IF(I1.LE.0.OR.I1.GT.NHEP) GOTO 140
+ IF(K(I1,1).NE.13.AND.K(I1,1).NE.14) GOTO 140
+ IF(JDAHEP(1,I1).EQ.0) THEN
+ JDAHEP(1,I1)=I
+ ELSE
+ JDAHEP(2,I1)=I
+ ENDIF
+ 140 CONTINUE
+ DO 150 I=1,NHEP
+ IF(K(I,1).NE.13.AND.K(I,1).NE.14) GOTO 150
+ IF(JDAHEP(2,I).EQ.0) JDAHEP(2,I)=JDAHEP(1,I)
+ 150 CONTINUE
+
+C...Conversion from standard to PYTHIA, the easy part.
+ ELSE
+ IF(NHEP.GT.MSTU(4)) CALL PYERRM(8,
+ & '(PYHEPC:) no more space in /PYJETS/')
+ N=MIN(NHEP,MSTU(4))
+ NKQ=0
+ KQSUM=0
+ DO 180 I=1,N
+ K(I,1)=0
+ IF(ISTHEP(I).EQ.1) K(I,1)=1
+ IF(ISTHEP(I).EQ.2) K(I,1)=11
+ IF(ISTHEP(I).EQ.3) K(I,1)=21
+ K(I,2)=IDHEP(I)
+ K(I,3)=JMOHEP(1,I)
+ K(I,4)=JDAHEP(1,I)
+ K(I,5)=JDAHEP(2,I)
+ DO 160 J=1,5
+ P(I,J)=PHEP(J,I)
+ 160 CONTINUE
+ DO 170 J=1,4
+ V(I,J)=VHEP(J,I)
+ 170 CONTINUE
+ V(I,5)=0D0
+ IF(ISTHEP(I).EQ.2.AND.PHEP(4,I).GT.PHEP(5,I)) THEN
+ I1=JDAHEP(1,I)
+ IF(I1.GT.0.AND.I1.LE.NHEP) V(I,5)=(VHEP(4,I1)-VHEP(4,I))*
+ & PHEP(5,I)/PHEP(4,I)
+ ENDIF
+
+C...Fill in missing information on colour connection in jet systems.
+ IF(ISTHEP(I).EQ.1) THEN
+ KC=PYCOMP(K(I,2))
+ KQ=0
+ IF(KC.NE.0) KQ=KCHG(KC,2)*ISIGN(1,K(I,2))
+ IF(KQ.NE.0) NKQ=NKQ+1
+ IF(KQ.NE.2) KQSUM=KQSUM+KQ
+ IF(KQ.NE.0.AND.KQSUM.NE.0) THEN
+ K(I,1)=2
+ ELSEIF(KQ.EQ.2.AND.I.LT.N) THEN
+ IF(K(I+1,2).EQ.21) K(I,1)=2
+ ENDIF
+ ENDIF
+ 180 CONTINUE
+ IF(NKQ.EQ.1.OR.KQSUM.NE.0) CALL PYERRM(8,
+ & '(PYHEPC:) input parton configuration not colour singlet')
+ ENDIF
+
+ END
+
+C*********************************************************************
+
+C...PYINIT
+C...Initializes the generation procedure; finds maxima of the
+C...differential cross-sections to be used for weighting.
+
+ SUBROUTINE PYINIT(FRAME,BEAM,TARGET,WIN)
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYDAT3/MDCY(500,3),MDME(4000,2),BRAT(4000),KFDP(4000,5)
+ COMMON/PYDAT4/CHAF(500,2)
+ CHARACTER CHAF*16
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT2/ISET(500),KFPR(500,2),COEF(500,20),ICOL(40,4,2)
+ COMMON/PYINT5/NGENPD,NGEN(0:500,3),XSEC(0:500,3)
+ SAVE /PYDAT1/,/PYDAT2/,/PYDAT3/,/PYDAT4/,/PYSUBS/,/PYPARS/,
+ &/PYINT1/,/PYINT2/,/PYINT5/
+C...Local arrays and character variables.
+ DIMENSION ALAMIN(20),NFIN(20)
+ CHARACTER*(*) FRAME,BEAM,TARGET
+ CHARACTER CHFRAM*12,CHBEAM*12,CHTARG*12,CHLH(2)*6
+
+C...Interface to PDFLIB.
+ COMMON/W50512/QCDL4,QCDL5
+ SAVE /W50512/
+ DOUBLE PRECISION VALUE(20),QCDL4,QCDL5
+ CHARACTER*20 PARM(20)
+ DATA VALUE/20*0D0/,PARM/20*' '/
+
+C...Data:Lambda and n_f values for parton distributions..
+ DATA ALAMIN/0.177D0,0.239D0,0.247D0,0.2322D0,0.248D0,0.248D0,
+ &0.192D0,0.326D0,2*0.2D0,0.2D0,0.2D0,0.29D0,0.2D0,0.4D0,5*0.2D0/,
+ &NFIN/20*4/
+ DATA CHLH/'lepton','hadron'/
+
+C...Reset MINT and VINT arrays. Write headers.
+ DO 100 J=1,400
+ MINT(J)=0
+ VINT(J)=0D0
+ 100 CONTINUE
+ IF(MSTU(12).GE.1) CALL PYLIST(0)
+ IF(MSTP(122).GE.1) WRITE(MSTU(11),5100)
+
+C...Maximum 4 generations; set maximum number of allowed flavours.
+ MSTP(1)=MIN(4,MSTP(1))
+ MSTU(114)=MIN(MSTU(114),2*MSTP(1))
+ MSTP(58)=MIN(MSTP(58),2*MSTP(1))
+
+C...Sum up Cabibbo-Kobayashi-Maskawa factors for each quark/lepton.
+ DO 120 I=-20,20
+ VINT(180+I)=0D0
+ IA=IABS(I)
+ IF(IA.GE.1.AND.IA.LE.2*MSTP(1)) THEN
+ DO 110 J=1,MSTP(1)
+ IB=2*J-1+MOD(IA,2)
+ IF(IB.GE.6.AND.MSTP(9).EQ.0) GOTO 110
+ IPM=(5-ISIGN(1,I))/2
+ IDC=J+MDCY(IA,2)+2
+ IF(MDME(IDC,1).EQ.1.OR.MDME(IDC,1).EQ.IPM) VINT(180+I)=
+ & VINT(180+I)+VCKM((IA+1)/2,(IB+1)/2)
+ 110 CONTINUE
+ ELSEIF(IA.GE.11.AND.IA.LE.10+2*MSTP(1)) THEN
+ VINT(180+I)=1D0
+ ENDIF
+ 120 CONTINUE
+
+C...Initialize parton distributions: PDFLIB.
+ IF(MSTP(52).EQ.2) THEN
+ PARM(1)='NPTYPE'
+ VALUE(1)=1
+ PARM(2)='NGROUP'
+ VALUE(2)=MSTP(51)/1000
+ PARM(3)='NSET'
+ VALUE(3)=MOD(MSTP(51),1000)
+ PARM(4)='TMAS'
+ VALUE(4)=PMAS(6,1)
+ CALL PDFSET(PARM,VALUE)
+ MINT(93)=1000000+MSTP(51)
+ ENDIF
+
+C...Choose Lambda value to use in alpha-strong.
+ MSTU(111)=MSTP(2)
+ IF(MSTP(3).GE.2) THEN
+ ALAM=0.2D0
+ NF=4
+ IF(MSTP(52).EQ.1.AND.MSTP(51).GE.1.AND.MSTP(51).LE.20) THEN
+ ALAM=ALAMIN(MSTP(51))
+ NF=NFIN(MSTP(51))
+ ELSEIF(MSTP(52).EQ.2) THEN
+ ALAM=QCDL4
+ NF=4
+ ENDIF
+ PARP(1)=ALAM
+ PARP(61)=ALAM
+ PARP(72)=ALAM
+ PARU(112)=ALAM
+ MSTU(112)=NF
+ IF(MSTP(3).EQ.3) PARJ(81)=ALAM
+ ENDIF
+
+C...Initialize the SUSY generation: couplings, masses,
+C...decay modes, branching ratios, and so on.
+ CALL PYMSIN
+
+C...Initialize widths and partial widths for resonances.
+ CALL PYINRE
+C...Set Z0 mass and width for e+e- routines.
+ PARJ(123)=PMAS(23,1)
+ PARJ(124)=PMAS(23,2)
+
+C...Identify beam and target particles and frame of process.
+ CHFRAM=FRAME//' '
+ CHBEAM=BEAM//' '
+ CHTARG=TARGET//' '
+ CALL PYINBM(CHFRAM,CHBEAM,CHTARG,WIN)
+ IF(MINT(65).EQ.1) GOTO 170
+
+C...For gamma-p or gamma-gamma allow many (3 or 6) alternatives.
+C...For e-gamma allow 2 alternatives.
+ MINT(121)=1
+ IF(MSTP(14).EQ.10.AND.(MSEL.EQ.1.OR.MSEL.EQ.2)) THEN
+ IF((MINT(11).EQ.22.OR.MINT(12).EQ.22).AND.
+ & (IABS(MINT(11)).GE.28.OR.IABS(MINT(12)).GE.28)) MINT(121)=3
+ IF(MINT(11).EQ.22.AND.MINT(12).EQ.22) MINT(121)=6
+ IF((MINT(11).EQ.22.OR.MINT(12).EQ.22).AND.
+ & (IABS(MINT(11)).EQ.11.OR.IABS(MINT(12)).EQ.11)) MINT(121)=2
+ ELSEIF(MSTP(14).EQ.20.AND.(MSEL.EQ.1.OR.MSEL.EQ.2)) THEN
+ IF((MINT(11).EQ.22.OR.MINT(12).EQ.22).AND.
+ & (IABS(MINT(11)).GE.28.OR.IABS(MINT(12)).GE.28)) MINT(121)=3
+ IF(MINT(11).EQ.22.AND.MINT(12).EQ.22) MINT(121)=9
+ ELSEIF(MSTP(14).EQ.25.AND.(MSEL.EQ.1.OR.MSEL.EQ.2)) THEN
+ IF((MINT(11).EQ.22.OR.MINT(12).EQ.22).AND.
+ & (IABS(MINT(11)).GE.28.OR.IABS(MINT(12)).GE.28)) MINT(121)=2
+ IF(MINT(11).EQ.22.AND.MINT(12).EQ.22) MINT(121)=4
+ ELSEIF(MSTP(14).EQ.30.AND.(MSEL.EQ.1.OR.MSEL.EQ.2)) THEN
+ IF((MINT(11).EQ.22.OR.MINT(12).EQ.22).AND.
+ & (IABS(MINT(11)).GE.28.OR.IABS(MINT(12)).GE.28)) MINT(121)=4
+ IF(MINT(11).EQ.22.AND.MINT(12).EQ.22) MINT(121)=13
+ ENDIF
+ MINT(123)=MSTP(14)
+ IF((MSTP(14).EQ.10.OR.MSTP(14).EQ.20.OR.MSTP(14).EQ.25.OR.
+ &MSTP(14).EQ.30).AND.MSEL.NE.1.AND.MSEL.NE.2) MINT(123)=0
+ IF(MSTP(14).GE.11.AND.MSTP(14).LE.19) THEN
+ IF(MSTP(14).EQ.11) MINT(123)=0
+ IF(MSTP(14).EQ.12.OR.MSTP(14).EQ.14) MINT(123)=5
+ IF(MSTP(14).EQ.13.OR.MSTP(14).EQ.17) MINT(123)=6
+ IF(MSTP(14).EQ.15) MINT(123)=2
+ IF(MSTP(14).EQ.16.OR.MSTP(14).EQ.18) MINT(123)=7
+ IF(MSTP(14).EQ.19) MINT(123)=3
+ ELSEIF(MSTP(14).GE.21.AND.MSTP(14).LE.24) THEN
+ IF(MSTP(14).EQ.21) MINT(123)=0
+ IF(MSTP(14).EQ.22.OR.MSTP(14).EQ.23) MINT(123)=4
+ IF(MSTP(14).EQ.24) MINT(123)=1
+ ELSEIF(MSTP(14).GE.26.AND.MSTP(14).LE.29) THEN
+ IF(MSTP(14).EQ.26.OR.MSTP(14).EQ.28) MINT(123)=8
+ IF(MSTP(14).EQ.27.OR.MSTP(14).EQ.29) MINT(123)=9
+ ENDIF
+
+C...Set up kinematics of process.
+ CALL PYINKI(0)
+
+C...Set up kinematics for photons inside leptons.
+ IF(MINT(141).NE.0.OR.MINT(142).NE.0) CALL PYGAGA(1,WTGAGA)
+
+C...Precalculate flavour selection weights.
+ CALL PYKFIN
+
+C...Loop over gamma-p or gamma-gamma alternatives.
+ CKIN3=CKIN(3)
+ MSAV48=0
+ DO 160 IGA=1,MINT(121)
+ CKIN(3)=CKIN3
+ MINT(122)=IGA
+
+C...Select partonic subprocesses to be included in the simulation.
+ CALL PYINPR
+ MINT(101)=1
+ MINT(102)=1
+ MINT(103)=MINT(11)
+ MINT(104)=MINT(12)
+
+C...Count number of subprocesses on.
+ MINT(48)=0
+ DO 130 ISUB=1,500
+ IF(MINT(50).EQ.0.AND.ISUB.GE.91.AND.ISUB.LE.96.AND.
+ & MSUB(ISUB).EQ.1.AND.MINT(121).GT.1) THEN
+ MSUB(ISUB)=0
+ ELSEIF(MINT(50).EQ.0.AND.ISUB.GE.91.AND.ISUB.LE.96.AND.
+ & MSUB(ISUB).EQ.1) THEN
+ WRITE(MSTU(11),5200) ISUB,CHLH(MINT(41)),CHLH(MINT(42))
+ STOP
+ ELSEIF(MSUB(ISUB).EQ.1.AND.ISET(ISUB).EQ.-1) THEN
+ WRITE(MSTU(11),5300) ISUB
+ STOP
+ ELSEIF(MSUB(ISUB).EQ.1.AND.ISET(ISUB).LE.-2) THEN
+ WRITE(MSTU(11),5400) ISUB
+ STOP
+ ELSEIF(MSUB(ISUB).EQ.1) THEN
+ MINT(48)=MINT(48)+1
+ ENDIF
+ 130 CONTINUE
+ IF(MINT(121).EQ.1.AND.MINT(48).EQ.0) THEN
+ WRITE(MSTU(11),5500)
+ STOP
+ ENDIF
+ MINT(49)=MINT(48)-MSUB(91)-MSUB(92)-MSUB(93)-MSUB(94)
+ MSAV48=MSAV48+MINT(48)
+
+C...Reset variables for cross-section calculation.
+ DO 150 I=0,500
+ DO 140 J=1,3
+ NGEN(I,J)=0
+ XSEC(I,J)=0D0
+ 140 CONTINUE
+ 150 CONTINUE
+
+C...Find parametrized total cross-sections.
+ CALL PYXTOT
+ VINT(318)=VINT(317)
+
+C...Maxima of differential cross-sections.
+ IF(MSTP(121).LE.1) CALL PYMAXI
+
+C...Initialize possibility of pileup events.
+ IF(MINT(121).GT.1) MSTP(131)=0
+ IF(MSTP(131).NE.0) CALL PYPILE(1)
+
+C...Initialize multiple interactions with variable impact parameter.
+ IF(MINT(50).EQ.1.AND.(MINT(49).NE.0.OR.MSTP(131).NE.0).AND.
+ & MSTP(82).GE.2) CALL PYMULT(1)
+
+C...Save results for gamma-p and gamma-gamma alternatives.
+ IF(MINT(121).GT.1) CALL PYSAVE(1,IGA)
+ 160 CONTINUE
+
+C...Initialization finished.
+ IF(MSAV48.EQ.0) THEN
+ WRITE(MSTU(11),5500)
+ STOP
+ ENDIF
+ 170 IF(MSTP(122).GE.1) WRITE(MSTU(11),5600)
+
+C...Formats for initialization information.
+ 5100 FORMAT('1',18('*'),1X,'PYINIT: initialization of PYTHIA ',
+ &'routines',1X,17('*'))
+ 5200 FORMAT(1X,'Error: process number ',I3,' not meaningful for ',A6,
+ &'-',A6,' interactions.'/1X,'Execution stopped!')
+ 5300 FORMAT(1X,'Error: requested subprocess',I4,' not implemented.'/
+ &1X,'Execution stopped!')
+ 5400 FORMAT(1X,'Error: requested subprocess',I4,' not existing.'/
+ &1X,'Execution stopped!')
+ 5500 FORMAT(1X,'Error: no subprocess switched on.'/
+ &1X,'Execution stopped.')
+ 5600 FORMAT(/1X,22('*'),1X,'PYINIT: initialization completed',1X,
+ &22('*'))
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYEVNT
+C...Administers the generation of a high-pT event via calls to
+C...a number of subroutines.
+
+ SUBROUTINE PYEVNT
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYJETS/N,NPAD,K(4000,5),P(4000,5),V(4000,5)
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT2/ISET(500),KFPR(500,2),COEF(500,20),ICOL(40,4,2)
+ COMMON/PYINT4/MWID(500),WIDS(500,5)
+ COMMON/PYINT5/NGENPD,NGEN(0:500,3),XSEC(0:500,3)
+ COMMON/PYUPPR/NUP,KUP(20,7),NFUP,IFUP(10,2),PUP(20,5),Q2UP(0:10)
+ SAVE /PYJETS/,/PYDAT1/,/PYDAT2/,/PYPARS/,/PYINT1/,/PYINT2/,
+ &/PYINT4/,/PYINT5/,/PYUPPR/
+C...Local array.
+ DIMENSION VTX(4)
+
+C...Initial values for some counters.
+ N=0
+ MINT(5)=MINT(5)+1
+ MINT(7)=0
+ MINT(8)=0
+ MINT(83)=0
+ MINT(84)=MSTP(126)
+ MSTU(24)=0
+ MSTU70=0
+ MSTJ14=MSTJ(14)
+
+C...If variable energies: redo incoming kinematics and cross-section.
+ MSTI(61)=0
+ IF(MSTP(171).EQ.1) THEN
+ CALL PYINKI(1)
+ IF(MSTI(61).EQ.1) THEN
+ MINT(5)=MINT(5)-1
+ RETURN
+ ENDIF
+ IF(MINT(121).GT.1) CALL PYSAVE(3,1)
+ CALL PYXTOT
+ ENDIF
+
+C...Loop over number of pileup events; check space left.
+ IF(MSTP(131).LE.0) THEN
+ NPILE=1
+ ELSE
+ CALL PYPILE(2)
+ NPILE=MINT(81)
+ ENDIF
+ DO 260 IPILE=1,NPILE
+ IF(MINT(84)+100.GE.MSTU(4)) THEN
+ CALL PYERRM(11,
+ & '(PYEVNT:) no more space in PYJETS for pileup events')
+ IF(MSTU(21).GE.1) GOTO 270
+ ENDIF
+ MINT(82)=IPILE
+
+C...Generate variables of hard scattering.
+ MINT(51)=0
+ MSTI(52)=0
+ 100 CONTINUE
+ IF(MINT(51).NE.0.OR.MSTU(24).NE.0) MSTI(52)=MSTI(52)+1
+ MINT(31)=0
+ MINT(51)=0
+ MINT(57)=0
+ CALL PYRAND
+ IF(MSTI(61).EQ.1) THEN
+ MINT(5)=MINT(5)-1
+ RETURN
+ ENDIF
+ IF(MINT(51).EQ.2) RETURN
+ ISUB=MINT(1)
+ IF(MSTP(111).EQ.-1) GOTO 250
+
+ IF((ISUB.LE.90.OR.ISUB.GE.95).AND.ISUB.NE.99) THEN
+C...Hard scattering (including low-pT):
+C...reconstruct kinematics and colour flow of hard scattering.
+ MINT31=MINT(31)
+ 110 MINT(31)=MINT31
+ MINT(51)=0
+ CALL PYSCAT
+ IF(MINT(51).EQ.1) GOTO 100
+ IPU1=MINT(84)+1
+ IPU2=MINT(84)+2
+ IF(ISUB.EQ.95) GOTO 130
+
+C...Showering of initial state partons (optional).
+ ALAMSV=PARJ(81)
+ PARJ(81)=PARP(72)
+ IF(MSTP(61).GE.1.AND.MINT(47).GE.2) CALL PYSSPA(IPU1,IPU2)
+ PARJ(81)=ALAMSV
+ IF(MINT(51).EQ.1) GOTO 100
+
+C...Showering of final state partons (optional).
+ ALAMSV=PARJ(81)
+ PARJ(81)=PARP(72)
+ IF(MSTP(71).GE.1.AND.ISET(ISUB).GE.2.AND.ISET(ISUB).LE.10)
+ & THEN
+ IPU3=MINT(84)+3
+ IPU4=MINT(84)+4
+ IF(ISET(ISUB).EQ.5) IPU4=-3
+ QMAX=VINT(55)
+ IF(ISET(ISUB).EQ.2) QMAX=SQRT(PARP(71))*VINT(55)
+ CALL PYSHOW(IPU3,IPU4,QMAX)
+ ELSEIF(MSTP(71).GE.1.AND.ISET(ISUB).EQ.11.AND.NFUP.GE.1) THEN
+ DO 120 IUP=1,NFUP
+ IPU3=IFUP(IUP,1)+MINT(84)
+ IPU4=IFUP(IUP,2)+MINT(84)
+ QMAX=SQRT(MAX(0D0,Q2UP(IUP)))
+ CALL PYSHOW(IPU3,IPU4,QMAX)
+ 120 CONTINUE
+ ENDIF
+ PARJ(81)=ALAMSV
+
+C...Decay of final state resonances.
+ MINT(32)=0
+ IF(MSTP(41).GE.1.AND.ISET(ISUB).LE.10) CALL PYRESD(0)
+ IF(MINT(51).EQ.1) GOTO 100
+ MINT(52)=N
+
+C...Multiple interactions.
+ IF(MSTP(81).GE.1.AND.MINT(50).EQ.1) CALL PYMULT(6)
+ MINT(53)=N
+
+C...Hadron remnants and primordial kT.
+ 130 CALL PYREMN(IPU1,IPU2)
+ IF(MINT(51).EQ.1.AND.MINT(57).GE.1.AND.MINT(57).LE.5) GOTO 110
+ IF(MINT(51).EQ.1) GOTO 100
+
+ ELSEIF(ISUB.NE.99) THEN
+C...Diffractive and elastic scattering.
+ CALL PYDIFF
+
+ ELSE
+C...DIS scattering (photon flux external).
+ CALL PYDISG
+ IF(MINT(51).EQ.1) GOTO 100
+ ENDIF
+
+C...Check that no odd resonance left undecayed.
+ IF(MSTP(111).GE.1) THEN
+ NFIX=N
+ DO 140 I=MINT(84)+1,NFIX
+ IF(K(I,1).GE.1.AND.K(I,1).LE.10.AND.K(I,2).NE.21.AND.
+ & K(I,2).NE.22) THEN
+ IF(MWID(PYCOMP(K(I,2))).NE.0) THEN
+ CALL PYRESD(I)
+ IF(MINT(51).EQ.1) GOTO 100
+ ENDIF
+ ENDIF
+ 140 CONTINUE
+ ENDIF
+
+C...Boost hadronic subsystem to overall rest frame.
+C..(Only relevant when photon inside lepton beam.)
+ IF(MINT(141).NE.0.OR.MINT(142).NE.0) CALL PYGAGA(4,WTGAGA)
+
+C...Recalculate energies from momenta and masses (if desired).
+ IF(MSTP(113).GE.1) THEN
+ DO 150 I=MINT(83)+1,N
+ IF(K(I,1).GT.0.AND.K(I,1).LE.10) P(I,4)=SQRT(P(I,1)**2+
+ & P(I,2)**2+P(I,3)**2+P(I,5)**2)
+ 150 CONTINUE
+ NRECAL=N
+ ENDIF
+
+C...Rearrange partons along strings, check invariant mass cuts.
+ MSTU(28)=0
+ IF(MSTP(111).LE.0) MSTJ(14)=-1
+ CALL PYPREP(MINT(84)+1)
+ MSTJ(14)=MSTJ14
+ IF(MSTP(112).EQ.1.AND.MSTU(28).EQ.3) GOTO 100
+ IF(MSTP(125).EQ.0.OR.MSTP(125).EQ.1) THEN
+ DO 180 I=MINT(84)+1,N
+ IF(K(I,2).EQ.94) THEN
+ DO 170 I1=I+1,MIN(N,I+3)
+ IF(K(I1,3).EQ.I) THEN
+ K(I1,3)=MOD(K(I1,4)/MSTU(5),MSTU(5))
+ IF(K(I1,3).EQ.0) THEN
+ DO 160 II=MINT(84)+1,I-1
+ IF(K(II,2).EQ.K(I1,2)) THEN
+ IF(MOD(K(II,4),MSTU(5)).EQ.I1.OR.
+ & MOD(K(II,5),MSTU(5)).EQ.I1) K(I1,3)=II
+ ENDIF
+ 160 CONTINUE
+ IF(K(I+1,3).EQ.0) K(I+1,3)=K(I,3)
+ ENDIF
+ ENDIF
+ 170 CONTINUE
+ ENDIF
+ 180 CONTINUE
+ CALL PYEDIT(12)
+ CALL PYEDIT(14)
+ IF(MSTP(125).EQ.0) CALL PYEDIT(15)
+ IF(MSTP(125).EQ.0) MINT(4)=0
+ DO 200 I=MINT(83)+1,N
+ IF(K(I,1).EQ.11.AND.K(I,4).EQ.0.AND.K(I,5).EQ.0) THEN
+ DO 190 I1=I+1,N
+ IF(K(I1,3).EQ.I.AND.K(I,4).EQ.0) K(I,4)=I1
+ IF(K(I1,3).EQ.I) K(I,5)=I1
+ 190 CONTINUE
+ ENDIF
+ 200 CONTINUE
+ ENDIF
+
+C...Introduce separators between sections in PYLIST event listing.
+ IF(IPILE.EQ.1.AND.MSTP(125).LE.0) THEN
+ MSTU70=1
+ MSTU(71)=N
+ ELSEIF(IPILE.EQ.1) THEN
+ MSTU70=3
+ MSTU(71)=2
+ MSTU(72)=MINT(4)
+ MSTU(73)=N
+ ENDIF
+
+C...Go back to lab frame (needed for vertices, also in fragmentation).
+ CALL PYFRAM(1)
+
+C...Set nonvanishing production vertex (optional).
+ IF(MSTP(151).EQ.1) THEN
+ DO 210 J=1,4
+ VTX(J)=PARP(150+J)*SQRT(-2D0*LOG(MAX(1D-10,PYR(0))))*
+ & SIN(PARU(2)*PYR(0))
+ 210 CONTINUE
+ DO 230 I=MINT(83)+1,N
+ DO 220 J=1,4
+ V(I,J)=V(I,J)+VTX(J)
+ 220 CONTINUE
+ 230 CONTINUE
+ ENDIF
+
+C...Perform hadronization (if desired).
+ IF(MSTP(111).GE.1) THEN
+ CALL PYEXEC
+ IF(MSTU(24).NE.0) GOTO 100
+ ENDIF
+ IF(MSTP(113).GE.1) THEN
+ DO 240 I=NRECAL,N
+ IF(P(I,5).GT.0D0) P(I,4)=SQRT(P(I,1)**2+
+ & P(I,2)**2+P(I,3)**2+P(I,5)**2)
+ 240 CONTINUE
+ ENDIF
+ IF(MSTP(125).EQ.0.OR.MSTP(125).EQ.1) CALL PYEDIT(14)
+
+C...Store event information and calculate Monte Carlo estimates of
+C...subprocess cross-sections.
+ 250 IF(IPILE.EQ.1) CALL PYDOCU
+
+C...Set counters for current pileup event and loop to next one.
+ MSTI(41)=IPILE
+ IF(IPILE.GE.2.AND.IPILE.LE.10) MSTI(40+IPILE)=ISUB
+ IF(MSTU70.LT.10) THEN
+ MSTU70=MSTU70+1
+ MSTU(70+MSTU70)=N
+ ENDIF
+ MINT(83)=N
+ MINT(84)=N+MSTP(126)
+ IF(IPILE.LT.NPILE) CALL PYFRAM(2)
+ 260 CONTINUE
+
+C...Generic information on pileup events. Reconstruct missing history.
+ IF(MSTP(131).EQ.1.AND.MSTP(133).GE.1) THEN
+ PARI(91)=VINT(132)
+ PARI(92)=VINT(133)
+ PARI(93)=VINT(134)
+ IF(MSTP(133).GE.2) PARI(93)=PARI(93)*XSEC(0,3)/VINT(131)
+ ENDIF
+ CALL PYEDIT(16)
+
+C...Transform to the desired coordinate frame.
+ 270 CALL PYFRAM(MSTP(124))
+ MSTU(70)=MSTU70
+ PARU(21)=VINT(1)
+
+ RETURN
+ END
+
+C***********************************************************************
+
+C...PYSTAT
+C...Prints out information about cross-sections, decay widths, branching
+C...ratios, kinematical limits, status codes and parameter values.
+
+ SUBROUTINE PYSTAT(MSTAT)
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Parameter statement to help give large particle numbers.
+ PARAMETER (KSUSY1=1000000,KSUSY2=2000000,KEXCIT=4000000)
+C...Commonblocks.
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYDAT3/MDCY(500,3),MDME(4000,2),BRAT(4000),KFDP(4000,5)
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT2/ISET(500),KFPR(500,2),COEF(500,20),ICOL(40,4,2)
+ COMMON/PYINT4/MWID(500),WIDS(500,5)
+ COMMON/PYINT5/NGENPD,NGEN(0:500,3),XSEC(0:500,3)
+ COMMON/PYINT6/PROC(0:500)
+ CHARACTER PROC*28
+ COMMON/PYMSSM/IMSS(0:99),RMSS(0:99)
+ SAVE /PYDAT1/,/PYDAT2/,/PYDAT3/,/PYSUBS/,/PYPARS/,/PYINT1/,
+ &/PYINT2/,/PYINT4/,/PYINT5/,/PYINT6/,/PYMSSM/
+C...Local arrays, character variables and data.
+ DIMENSION WDTP(0:200),WDTE(0:200,0:5)
+ CHARACTER PROGA(6)*28,CHAU*16,CHKF*16,CHD1*16,CHD2*16,CHD3*16,
+ &CHIN(2)*12,STATE(-1:5)*4,CHKIN(21)*18,DISGA(2)*28,
+ &PROGG9(13)*28,PROGG4(4)*28,PROGG2(2)*28,PROGP4(4)*28
+ DATA PROGA/
+ &'VMD/hadron * VMD ','VMD/hadron * direct ',
+ &'VMD/hadron * anomalous ','direct * direct ',
+ &'direct * anomalous ','anomalous * anomalous '/
+ DATA DISGA/'e * VMD','e * anomalous'/
+ DATA PROGG9/
+ &'direct * direct ','direct * VMD ',
+ &'direct * anomalous ','VMD * direct ',
+ &'VMD * VMD ','VMD * anomalous ',
+ &'anomalous * direct ','anomalous * VMD ',
+ &'anomalous * anomalous ','DIS * VMD ',
+ &'DIS * anomalous ','VMD * DIS ',
+ &'anomalous * DIS '/
+ DATA PROGG4/
+ &'direct * direct ','direct * resolved ',
+ &'resolved * direct ','resolved * resolved '/
+ DATA PROGG2/
+ &'direct * hadron ','resolved * hadron '/
+ DATA PROGP4/
+ &'VMD * hadron ','direct * hadron ',
+ &'anomalous * hadron ','DIS * hadron '/
+ DATA STATE/'----','off ','on ','on/+','on/-','on/1','on/2'/,
+ &CHKIN/' m_hard (GeV/c^2) ',' p_T_hard (GeV/c) ',
+ &'m_finite (GeV/c^2)',' y*_subsystem ',' y*_large ',
+ &' y*_small ',' eta*_large ',' eta*_small ',
+ &'cos(theta*)_large ','cos(theta*)_small ',' x_1 ',
+ &' x_2 ',' x_F ',' cos(theta_hard) ',
+ &'m''_hard (GeV/c^2) ',' tau ',' y* ',
+ &'cos(theta_hard^-) ','cos(theta_hard^+) ',' x_T^2 ',
+ &' tau'' '/
+
+C...Cross-sections.
+ IF(MSTAT.LE.1) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(5,0)
+ WRITE(MSTU(11),5000)
+ WRITE(MSTU(11),5100)
+ WRITE(MSTU(11),5200) 0,PROC(0),NGEN(0,3),NGEN(0,1),XSEC(0,3)
+ DO 100 I=1,500
+ IF(MSUB(I).NE.1) GOTO 100
+ WRITE(MSTU(11),5200) I,PROC(I),NGEN(I,3),NGEN(I,1),XSEC(I,3)
+ 100 CONTINUE
+ IF(MINT(121).GT.1) THEN
+ WRITE(MSTU(11),5300)
+ DO 110 IGA=1,MINT(121)
+ CALL PYSAVE(3,IGA)
+ IF(MINT(121).EQ.2.AND.MSTP(14).EQ.10) THEN
+ WRITE(MSTU(11),5200) IGA,DISGA(IGA),NGEN(0,3),NGEN(0,1),
+ & XSEC(0,3)
+ ELSEIF(MINT(121).EQ.9.OR.MINT(121).EQ.13) THEN
+ WRITE(MSTU(11),5200) IGA,PROGG9(IGA),NGEN(0,3),NGEN(0,1),
+ & XSEC(0,3)
+ ELSEIF(MINT(121).EQ.4.AND.MSTP(14).EQ.30) THEN
+ WRITE(MSTU(11),5200) IGA,PROGP4(IGA),NGEN(0,3),NGEN(0,1),
+ & XSEC(0,3)
+ ELSEIF(MINT(121).EQ.4) THEN
+ WRITE(MSTU(11),5200) IGA,PROGG4(IGA),NGEN(0,3),NGEN(0,1),
+ & XSEC(0,3)
+ ELSEIF(MINT(121).EQ.2) THEN
+ WRITE(MSTU(11),5200) IGA,PROGG2(IGA),NGEN(0,3),NGEN(0,1),
+ & XSEC(0,3)
+ ELSE
+ WRITE(MSTU(11),5200) IGA,PROGA(IGA),NGEN(0,3),NGEN(0,1),
+ & XSEC(0,3)
+ ENDIF
+ 110 CONTINUE
+ CALL PYSAVE(5,0)
+ ENDIF
+ WRITE(MSTU(11),5400) 1D0-DBLE(NGEN(0,3))/
+ & MAX(1D0,DBLE(NGEN(0,2)))
+
+C...Decay widths and branching ratios.
+ ELSEIF(MSTAT.EQ.2) THEN
+ WRITE(MSTU(11),5500)
+ WRITE(MSTU(11),5600)
+ DO 140 KC=1,500
+ KF=KCHG(KC,4)
+ CALL PYNAME(KF,CHKF)
+ IOFF=0
+ IF(KC.LE.22) THEN
+ IF(KC.GT.2*MSTP(1).AND.KC.LE.10) GOTO 140
+ IF(KC.GT.10+2*MSTP(1).AND.KC.LE.20) GOTO 140
+ IF(KC.LE.5.OR.(KC.GE.11.AND.KC.LE.16)) IOFF=1
+ IF(KC.EQ.18.AND.PMAS(18,1).LT.1D0) IOFF=1
+ IF(KC.EQ.21.OR.KC.EQ.22) IOFF=1
+ ELSE
+ IF(MWID(KC).LE.0) GOTO 140
+ IF(IMSS(1).LE.0.AND.(KF/KSUSY1.EQ.1.OR.
+ & KF/KSUSY1.EQ.2)) GOTO 140
+ ENDIF
+C...Off-shell branchings.
+ IF(IOFF.EQ.1) THEN
+ NGP=0
+ IF(KC.LE.20) NGP=(MOD(KC,10)+1)/2
+ IF(NGP.LE.MSTP(1)) WRITE(MSTU(11),5700) KF,CHKF(1:10),
+ & PMAS(KC,1),0D0,0D0,STATE(MDCY(KC,1)),0D0
+ DO 120 J=1,MDCY(KC,3)
+ IDC=J+MDCY(KC,2)-1
+ NGP1=0
+ IF(IABS(KFDP(IDC,1)).LE.20) NGP1=
+ & (MOD(IABS(KFDP(IDC,1)),10)+1)/2
+ NGP2=0
+ IF(IABS(KFDP(IDC,2)).LE.20) NGP2=
+ & (MOD(IABS(KFDP(IDC,2)),10)+1)/2
+ CALL PYNAME(KFDP(IDC,1),CHD1)
+ CALL PYNAME(KFDP(IDC,2),CHD2)
+ IF(KFDP(IDC,3).EQ.0) THEN
+ IF(MDME(IDC,2).EQ.102.AND.NGP1.LE.MSTP(1).AND.
+ & NGP2.LE.MSTP(1)) WRITE(MSTU(11),5800) IDC,CHD1(1:10),
+ & CHD2(1:10),0D0,0D0,STATE(MDME(IDC,1)),0D0
+ ELSE
+ CALL PYNAME(KFDP(IDC,3),CHD3)
+ IF(MDME(IDC,2).EQ.102.AND.NGP1.LE.MSTP(1).AND.
+ & NGP2.LE.MSTP(1)) WRITE(MSTU(11),5900) IDC,CHD1(1:10),
+ & CHD2(1:10),CHD3(1:10),0D0,0D0,STATE(MDME(IDC,1)),0D0
+ ENDIF
+ 120 CONTINUE
+C...On-shell decays.
+ ELSE
+ CALL PYWIDT(KF,PMAS(KC,1)**2,WDTP,WDTE)
+ BRFIN=1D0
+ IF(WDTE(0,0).LE.0D0) BRFIN=0D0
+ WRITE(MSTU(11),5700) KF,CHKF(1:10),PMAS(KC,1),WDTP(0),1D0,
+ & STATE(MDCY(KC,1)),BRFIN
+ DO 130 J=1,MDCY(KC,3)
+ IDC=J+MDCY(KC,2)-1
+ NGP1=0
+ IF(IABS(KFDP(IDC,1)).LE.20) NGP1=
+ & (MOD(IABS(KFDP(IDC,1)),10)+1)/2
+ NGP2=0
+ IF(IABS(KFDP(IDC,2)).LE.20) NGP2=
+ & (MOD(IABS(KFDP(IDC,2)),10)+1)/2
+ BRFIN=0D0
+ IF(WDTE(0,0).GT.0D0) BRFIN=WDTE(J,0)/WDTE(0,0)
+ CALL PYNAME(KFDP(IDC,1),CHD1)
+ CALL PYNAME(KFDP(IDC,2),CHD2)
+ IF(KFDP(IDC,3).EQ.0) THEN
+ IF(NGP1.LE.MSTP(1).AND.NGP2.LE.MSTP(1))
+ & WRITE(MSTU(11),5800) IDC,CHD1(1:10),
+ & CHD2(1:10),WDTP(J),WDTP(J)/WDTP(0),
+ & STATE(MDME(IDC,1)),BRFIN
+ ELSE
+ CALL PYNAME(KFDP(IDC,3),CHD3)
+ IF(NGP1.LE.MSTP(1).AND.NGP2.LE.MSTP(1))
+ & WRITE(MSTU(11),5900) IDC,CHD1(1:10),
+ & CHD2(1:10),CHD3(1:10),WDTP(J),WDTP(J)/WDTP(0),
+ & STATE(MDME(IDC,1)),BRFIN
+ ENDIF
+ 130 CONTINUE
+ ENDIF
+ 140 CONTINUE
+ WRITE(MSTU(11),6000)
+
+C...Allowed incoming partons/particles at hard interaction.
+ ELSEIF(MSTAT.EQ.3) THEN
+ WRITE(MSTU(11),6100)
+ CALL PYNAME(MINT(11),CHAU)
+ CHIN(1)=CHAU(1:12)
+ CALL PYNAME(MINT(12),CHAU)
+ CHIN(2)=CHAU(1:12)
+ WRITE(MSTU(11),6200) CHIN(1),CHIN(2)
+ DO 150 I=-20,22
+ IF(I.EQ.0) GOTO 150
+ IA=IABS(I)
+ IF(IA.GT.MSTP(58).AND.IA.LE.10) GOTO 150
+ IF(IA.GT.10+2*MSTP(1).AND.IA.LE.20) GOTO 150
+ CALL PYNAME(I,CHAU)
+ WRITE(MSTU(11),6300) CHAU,STATE(KFIN(1,I)),CHAU,
+ & STATE(KFIN(2,I))
+ 150 CONTINUE
+ WRITE(MSTU(11),6400)
+
+C...User-defined limits on kinematical variables.
+ ELSEIF(MSTAT.EQ.4) THEN
+ WRITE(MSTU(11),6500)
+ WRITE(MSTU(11),6600)
+ SHRMAX=CKIN(2)
+ IF(SHRMAX.LT.0D0) SHRMAX=VINT(1)
+ WRITE(MSTU(11),6700) CKIN(1),CHKIN(1),SHRMAX
+ PTHMIN=MAX(CKIN(3),CKIN(5))
+ PTHMAX=CKIN(4)
+ IF(PTHMAX.LT.0D0) PTHMAX=0.5D0*SHRMAX
+ WRITE(MSTU(11),6800) CKIN(3),PTHMIN,CHKIN(2),PTHMAX
+ WRITE(MSTU(11),6900) CHKIN(3),CKIN(6)
+ DO 160 I=4,14
+ WRITE(MSTU(11),6700) CKIN(2*I-1),CHKIN(I),CKIN(2*I)
+ 160 CONTINUE
+ SPRMAX=CKIN(32)
+ IF(SPRMAX.LT.0D0) SPRMAX=VINT(1)
+ WRITE(MSTU(11),6700) CKIN(31),CHKIN(15),SPRMAX
+ WRITE(MSTU(11),7000)
+
+C...Status codes and parameter values.
+ ELSEIF(MSTAT.EQ.5) THEN
+ WRITE(MSTU(11),7100)
+ WRITE(MSTU(11),7200)
+ DO 170 I=1,100
+ WRITE(MSTU(11),7300) I,MSTP(I),PARP(I),100+I,MSTP(100+I),
+ & PARP(100+I)
+ 170 CONTINUE
+
+C...List of all processes implemented in the program.
+ ELSEIF(MSTAT.EQ.6) THEN
+ WRITE(MSTU(11),7400)
+ WRITE(MSTU(11),7500)
+ DO 180 I=1,500
+ IF(ISET(I).LT.0) GOTO 180
+ WRITE(MSTU(11),7600) I,PROC(I),ISET(I),KFPR(I,1),KFPR(I,2)
+ 180 CONTINUE
+ WRITE(MSTU(11),7700)
+ ENDIF
+
+C...Formats for printouts.
+ 5000 FORMAT('1',9('*'),1X,'PYSTAT: Statistics on Number of ',
+ &'Events and Cross-sections',1X,9('*'))
+ 5100 FORMAT(/1X,78('=')/1X,'I',34X,'I',28X,'I',12X,'I'/1X,'I',12X,
+ &'Subprocess',12X,'I',6X,'Number of points',6X,'I',4X,'Sigma',3X,
+ &'I'/1X,'I',34X,'I',28X,'I',12X,'I'/1X,'I',34('-'),'I',28('-'),
+ &'I',4X,'(mb)',4X,'I'/1X,'I',34X,'I',28X,'I',12X,'I'/1X,'I',1X,
+ &'N:o',1X,'Type',25X,'I',4X,'Generated',9X,'Tried',1X,'I',12X,
+ &'I'/1X,'I',34X,'I',28X,'I',12X,'I'/1X,78('=')/1X,'I',34X,'I',28X,
+ &'I',12X,'I')
+ 5200 FORMAT(1X,'I',1X,I3,1X,A28,1X,'I',1X,I12,1X,I13,1X,'I',1X,1P,
+ &D10.3,1X,'I')
+ 5300 FORMAT(1X,'I',34X,'I',28X,'I',12X,'I'/1X,78('=')/
+ &1X,'I',34X,'I',28X,'I',12X,'I')
+ 5400 FORMAT(1X,'I',34X,'I',28X,'I',12X,'I'/1X,78('=')//
+ &1X,'********* Fraction of events that fail fragmentation ',
+ &'cuts =',1X,F8.5,' *********'/)
+ 5500 FORMAT('1',27('*'),1X,'PYSTAT: Decay Widths and Branching ',
+ &'Ratios',1X,27('*'))
+ 5600 FORMAT(/1X,98('=')/1X,'I',49X,'I',13X,'I',12X,'I',6X,'I',12X,'I'/
+ &1X,'I',5X,'Mother --> Branching/Decay Channel',8X,'I',1X,
+ &'Width (GeV)',1X,'I',7X,'B.R.',1X,'I',1X,'Stat',1X,'I',2X,
+ &'Eff. B.R.',1X,'I'/1X,'I',49X,'I',13X,'I',12X,'I',6X,'I',12X,'I'/
+ &1X,98('='))
+ 5700 FORMAT(1X,'I',49X,'I',13X,'I',12X,'I',6X,'I',12X,'I'/1X,'I',1X,
+ &I8,2X,A10,3X,'(m =',F10.3,')',2X,'-->',5X,'I',2X,1P,D10.3,0P,1X,
+ &'I',1X,1P,D10.3,0P,1X,'I',1X,A4,1X,'I',1X,1P,D10.3,0P,1X,'I')
+ 5800 FORMAT(1X,'I',1X,I8,2X,A10,1X,'+',1X,A10,15X,'I',2X,
+ &1P,D10.3,0P,1X,'I',1X,1P,D10.3,0P,1X,'I',1X,A4,1X,'I',1X,
+ &1P,D10.3,0P,1X,'I')
+ 5900 FORMAT(1X,'I',1X,I8,2X,A10,1X,'+',1X,A10,1X,'+',1X,A10,2X,'I',2X,
+ &1P,D10.3,0P,1X,'I',1X,1P,D10.3,0P,1X,'I',1X,A4,1X,'I',1X,
+ &1P,D10.3,0P,1X,'I')
+ 6000 FORMAT(1X,'I',49X,'I',13X,'I',12X,'I',6X,'I',12X,'I'/1X,98('='))
+ 6100 FORMAT('1',7('*'),1X,'PYSTAT: Allowed Incoming Partons/',
+ &'Particles at Hard Interaction',1X,7('*'))
+ 6200 FORMAT(/1X,78('=')/1X,'I',38X,'I',37X,'I'/1X,'I',1X,
+ &'Beam particle:',1X,A12,10X,'I',1X,'Target particle:',1X,A12,7X,
+ &'I'/1X,'I',38X,'I',37X,'I'/1X,'I',1X,'Content',6X,'State',19X,
+ &'I',1X,'Content',6X,'State',18X,'I'/1X,'I',38X,'I',37X,'I'/1X,
+ &78('=')/1X,'I',38X,'I',37X,'I')
+ 6300 FORMAT(1X,'I',1X,A9,5X,A4,19X,'I',1X,A9,5X,A4,18X,'I')
+ 6400 FORMAT(1X,'I',38X,'I',37X,'I'/1X,78('='))
+ 6500 FORMAT('1',12('*'),1X,'PYSTAT: User-Defined Limits on ',
+ &'Kinematical Variables',1X,12('*'))
+ 6600 FORMAT(/1X,78('=')/1X,'I',76X,'I')
+ 6700 FORMAT(1X,'I',16X,1P,D10.3,0P,1X,'<',1X,A,1X,'<',1X,1P,D10.3,0P,
+ &16X,'I')
+ 6800 FORMAT(1X,'I',3X,1P,D10.3,0P,1X,'(',1P,D10.3,0P,')',1X,'<',1X,A,
+ &1X,'<',1X,1P,D10.3,0P,16X,'I')
+ 6900 FORMAT(1X,'I',29X,A,1X,'=',1X,1P,D10.3,0P,16X,'I')
+ 7000 FORMAT(1X,'I',76X,'I'/1X,78('='))
+ 7100 FORMAT('1',12('*'),1X,'PYSTAT: Summary of Status Codes and ',
+ &'Parameter Values',1X,12('*'))
+ 7200 FORMAT(/3X,'I',4X,'MSTP(I)',9X,'PARP(I)',20X,'I',4X,'MSTP(I)',9X,
+ &'PARP(I)'/)
+ 7300 FORMAT(1X,I3,5X,I6,6X,1P,D10.3,0P,18X,I3,5X,I6,6X,1P,D10.3)
+ 7400 FORMAT('1',13('*'),1X,'PYSTAT: List of implemented processes',
+ &1X,13('*'))
+ 7500 FORMAT(/1X,65('=')/1X,'I',34X,'I',28X,'I'/1X,'I',12X,
+ &'Subprocess',12X,'I',1X,'ISET',2X,'KFPR(I,1)',2X,'KFPR(I,2)',1X,
+ &'I'/1X,'I',34X,'I',28X,'I'/1X,65('=')/1X,'I',34X,'I',28X,'I')
+ 7600 FORMAT(1X,'I',1X,I3,1X,A28,1X,'I',1X,I4,1X,I10,1X,I10,1X,'I')
+ 7700 FORMAT(1X,'I',34X,'I',28X,'I'/1X,65('='))
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYINRE
+C...Calculates full and effective widths of gauge bosons, stores
+C...masses and widths, rescales coefficients to be used for
+C...resonance production generation.
+
+ SUBROUTINE PYINRE
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Parameter statement to help give large particle numbers.
+ PARAMETER (KSUSY1=1000000,KSUSY2=2000000,KEXCIT=4000000)
+C...Commonblocks.
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYDAT3/MDCY(500,3),MDME(4000,2),BRAT(4000),KFDP(4000,5)
+ COMMON/PYDAT4/CHAF(500,2)
+ CHARACTER CHAF*16
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT2/ISET(500),KFPR(500,2),COEF(500,20),ICOL(40,4,2)
+ COMMON/PYINT4/MWID(500),WIDS(500,5)
+ COMMON/PYINT6/PROC(0:500)
+ CHARACTER PROC*28
+ COMMON/PYMSSM/IMSS(0:99),RMSS(0:99)
+ SAVE /PYDAT1/,/PYDAT2/,/PYDAT3/,/PYDAT4/,/PYSUBS/,/PYPARS/,
+ &/PYINT1/,/PYINT2/,/PYINT4/,/PYINT6/,/PYMSSM/
+C...Local arrays and data.
+ DIMENSION WDTP(0:200),WDTE(0:200,0:5),WDTPM(0:200),
+ &WDTEM(0:200,0:5),KCORD(500),PMORD(500)
+
+C...Born level couplings in MSSM Higgs doublet sector.
+ XW=PARU(102)
+ XWV=XW
+ IF(MSTP(8).GE.2) XW=1D0-(PMAS(24,1)/PMAS(23,1))**2
+ XW1=1D0-XW
+ IF(MSTP(4).EQ.2) THEN
+ TANBE=PARU(141)
+ RATBE=((1D0-TANBE**2)/(1D0+TANBE**2))**2
+ SQMZ=PMAS(23,1)**2
+ SQMW=PMAS(24,1)**2
+ SQMH=PMAS(25,1)**2
+ SQMA=SQMH*(SQMZ-SQMH)/(SQMZ*RATBE-SQMH)
+ SQMHP=0.5D0*(SQMA+SQMZ+SQRT((SQMA+SQMZ)**2-4D0*SQMA*SQMZ*RATBE))
+ SQMHC=SQMA+SQMW
+ IF(SQMH.GE.SQMZ.OR.MIN(SQMA,SQMHP,SQMHC).LE.0D0) THEN
+ WRITE(MSTU(11),5000)
+ STOP
+ ENDIF
+ PMAS(35,1)=SQRT(SQMHP)
+ PMAS(36,1)=SQRT(SQMA)
+ PMAS(37,1)=SQRT(SQMHC)
+ ALSU=0.5D0*ATAN(2D0*TANBE*(SQMA+SQMZ)/((1D0-TANBE**2)*
+ & (SQMA-SQMZ)))
+ BESU=ATAN(TANBE)
+ PARU(142)=1D0
+ PARU(143)=1D0
+ PARU(161)=-SIN(ALSU)/COS(BESU)
+ PARU(162)=COS(ALSU)/SIN(BESU)
+ PARU(163)=PARU(161)
+ PARU(164)=SIN(BESU-ALSU)
+ PARU(165)=PARU(164)
+ PARU(168)=SIN(BESU-ALSU)+0.5D0*COS(2D0*BESU)*SIN(BESU+ALSU)/XW
+ PARU(171)=COS(ALSU)/COS(BESU)
+ PARU(172)=SIN(ALSU)/SIN(BESU)
+ PARU(173)=PARU(171)
+ PARU(174)=COS(BESU-ALSU)
+ PARU(175)=PARU(174)
+ PARU(176)=COS(2D0*ALSU)*COS(BESU+ALSU)-2D0*SIN(2D0*ALSU)*
+ & SIN(BESU+ALSU)
+ PARU(177)=COS(2D0*BESU)*COS(BESU+ALSU)
+ PARU(178)=COS(BESU-ALSU)-0.5D0*COS(2D0*BESU)*COS(BESU+ALSU)/XW
+ PARU(181)=TANBE
+ PARU(182)=1D0/TANBE
+ PARU(183)=PARU(181)
+ PARU(184)=0D0
+ PARU(185)=PARU(184)
+ PARU(186)=COS(BESU-ALSU)
+ PARU(187)=SIN(BESU-ALSU)
+ PARU(188)=PARU(186)
+ PARU(189)=PARU(187)
+ PARU(190)=0D0
+ PARU(195)=COS(BESU-ALSU)
+ ENDIF
+
+C...Reset effective widths of gauge bosons.
+ DO 110 I=1,500
+ DO 100 J=1,5
+ WIDS(I,J)=1D0
+ 100 CONTINUE
+ 110 CONTINUE
+
+C...Order resonances by increasing mass (except Z0 and W+/-).
+ NRES=0
+ DO 140 KC=1,500
+ KF=KCHG(KC,4)
+ IF(KF.EQ.0) GOTO 140
+ IF(MWID(KC).EQ.0) GOTO 140
+ IF(KC.EQ.7.OR.KC.EQ.8.OR.KC.EQ.17.OR.KC.EQ.18) THEN
+ IF(MSTP(1).LE.3) GOTO 140
+ ENDIF
+ IF(KF/KSUSY1.EQ.1.OR.KF/KSUSY1.EQ.2) THEN
+ IF(IMSS(1).LE.0) GOTO 140
+ ENDIF
+ NRES=NRES+1
+ PMRES=PMAS(KC,1)
+ IF(KC.EQ.23.OR.KC.EQ.24) PMRES=0D0
+ DO 120 I1=NRES-1,1,-1
+ IF(PMRES.GE.PMORD(I1)) GOTO 130
+ KCORD(I1+1)=KCORD(I1)
+ PMORD(I1+1)=PMORD(I1)
+ 120 CONTINUE
+ 130 KCORD(I1+1)=KC
+ PMORD(I1+1)=PMRES
+ 140 CONTINUE
+
+C...Loop over possible resonances.
+ DO 180 I=1,NRES
+ KC=KCORD(I)
+ KF=KCHG(KC,4)
+
+C...Check that no fourth generation channels on by mistake.
+ IF(MSTP(1).LE.3) THEN
+ DO 150 J=1,MDCY(KC,3)
+ IDC=J+MDCY(KC,2)-1
+ KFA1=IABS(KFDP(IDC,1))
+ KFA2=IABS(KFDP(IDC,2))
+ IF(KFA1.EQ.7.OR.KFA1.EQ.8.OR.KFA1.EQ.17.OR.KFA1.EQ.18.OR.
+ & KFA2.EQ.7.OR.KFA2.EQ.8.OR.KFA2.EQ.17.OR.KFA2.EQ.18)
+ & MDME(IDC,1)=-1
+ 150 CONTINUE
+ ENDIF
+
+C...Check that no supersymmetric channels on by mistake.
+ IF(IMSS(1).LE.0) THEN
+ DO 160 J=1,MDCY(KC,3)
+ IDC=J+MDCY(KC,2)-1
+ KFA1S=IABS(KFDP(IDC,1))/KSUSY1
+ KFA2S=IABS(KFDP(IDC,2))/KSUSY1
+ IF(KFA1S.EQ.1.OR.KFA1S.EQ.2.OR.KFA2S.EQ.1.OR.KFA2S.EQ.2)
+ & MDME(IDC,1)=-1
+ 160 CONTINUE
+ ENDIF
+
+C...Find mass and evaluate width.
+ PMR=PMAS(KC,1)
+ IF(KF.EQ.25.OR.KF.EQ.35.OR.KF.EQ.36) MINT(62)=1
+ IF(MWID(KC).EQ.3) MINT(63)=1
+ CALL PYWIDT(KF,PMR**2,WDTP,WDTE)
+ MINT(51)=0
+
+C...Evaluate suppression factors due to non-simulated channels.
+ IF(KCHG(KC,3).EQ.0) THEN
+ WIDS(KC,1)=((WDTE(0,1)+WDTE(0,2))**2+
+ & 2D0*(WDTE(0,1)+WDTE(0,2))*(WDTE(0,4)+WDTE(0,5))+
+ & 2D0*WDTE(0,4)*WDTE(0,5))/WDTP(0)**2
+ WIDS(KC,2)=(WDTE(0,1)+WDTE(0,2)+WDTE(0,4))/WDTP(0)
+ WIDS(KC,3)=0D0
+ WIDS(KC,4)=0D0
+ WIDS(KC,5)=0D0
+ ELSE
+ IF(MWID(KC).EQ.3) MINT(63)=1
+ CALL PYWIDT(-KF,PMR**2,WDTPM,WDTEM)
+ MINT(51)=0
+ WIDS(KC,1)=((WDTE(0,1)+WDTE(0,2))*(WDTEM(0,1)+WDTEM(0,3))+
+ & (WDTE(0,1)+WDTE(0,2))*(WDTEM(0,4)+WDTEM(0,5))+
+ & (WDTE(0,4)+WDTE(0,5))*(WDTEM(0,1)+WDTEM(0,3))+
+ & WDTE(0,4)*WDTEM(0,5)+WDTE(0,5)*WDTEM(0,4))/WDTP(0)**2
+ WIDS(KC,2)=(WDTE(0,1)+WDTE(0,2)+WDTE(0,4))/WDTP(0)
+ WIDS(KC,3)=(WDTEM(0,1)+WDTEM(0,3)+WDTEM(0,4))/WDTP(0)
+ WIDS(KC,4)=((WDTE(0,1)+WDTE(0,2))**2+
+ & 2D0*(WDTE(0,1)+WDTE(0,2))*(WDTE(0,4)+WDTE(0,5))+
+ & 2D0*WDTE(0,4)*WDTE(0,5))/WDTP(0)**2
+ WIDS(KC,5)=((WDTEM(0,1)+WDTEM(0,3))**2+
+ & 2D0*(WDTEM(0,1)+WDTEM(0,3))*(WDTEM(0,4)+WDTEM(0,5))+
+ & 2D0*WDTEM(0,4)*WDTEM(0,5))/WDTP(0)**2
+ ENDIF
+
+C...Set resonance widths and branching ratios;
+C...also on/off switch for decays.
+ IF(MWID(KC).EQ.1.OR.MWID(KC).EQ.3) THEN
+ PMAS(KC,2)=WDTP(0)
+ PMAS(KC,3)=MIN(0.9D0*PMAS(KC,1),10D0*PMAS(KC,2))
+ MDCY(KC,1)=MSTP(41)
+ DO 170 J=1,MDCY(KC,3)
+ IDC=J+MDCY(KC,2)-1
+ BRAT(IDC)=0D0
+ IF(WDTP(0).GT.0D0) BRAT(IDC)=WDTP(J)/WDTP(0)
+ 170 CONTINUE
+ ENDIF
+ 180 CONTINUE
+
+C...Flavours of leptoquark: redefine charge and name.
+ KFLQQ=KFDP(MDCY(39,2),1)
+ KFLQL=KFDP(MDCY(39,2),2)
+ KCHG(39,1)=KCHG(PYCOMP(KFLQQ),1)*ISIGN(1,KFLQQ)+
+ &KCHG(PYCOMP(KFLQL),1)*ISIGN(1,KFLQL)
+ LL=1
+ IF(IABS(KFLQL).EQ.13) LL=2
+ IF(IABS(KFLQL).EQ.15) LL=3
+ CHAF(39,1)='LQ_'//CHAF(IABS(KFLQQ),1)(1:1)//
+ &CHAF(IABS(KFLQL),1)(1:LL)//' '
+ CHAF(39,2)=CHAF(39,2)(1:4+LL)//'bar '
+
+C...Special cases in treatment of gamma*/Z0: redefine process name.
+ IF(MSTP(43).EQ.1) THEN
+ PROC(1)='f + fbar -> gamma*'
+ PROC(15)='f + fbar -> g + gamma*'
+ PROC(19)='f + fbar -> gamma + gamma*'
+ PROC(30)='f + g -> f + gamma*'
+ PROC(35)='f + gamma -> f + gamma*'
+ ELSEIF(MSTP(43).EQ.2) THEN
+ PROC(1)='f + fbar -> Z0'
+ PROC(15)='f + fbar -> g + Z0'
+ PROC(19)='f + fbar -> gamma + Z0'
+ PROC(30)='f + g -> f + Z0'
+ PROC(35)='f + gamma -> f + Z0'
+ ELSEIF(MSTP(43).EQ.3) THEN
+ PROC(1)='f + fbar -> gamma*/Z0'
+ PROC(15)='f + fbar -> g + gamma*/Z0'
+ PROC(19)='f + fbar -> gamma + gamma*/Z0'
+ PROC(30)='f + g -> f + gamma*/Z0'
+ PROC(35)='f + gamma -> f + gamma*/Z0'
+ ENDIF
+
+C...Special cases in treatment of gamma*/Z0/Z'0: redefine process name.
+ IF(MSTP(44).EQ.1) THEN
+ PROC(141)='f + fbar -> gamma*'
+ ELSEIF(MSTP(44).EQ.2) THEN
+ PROC(141)='f + fbar -> Z0'
+ ELSEIF(MSTP(44).EQ.3) THEN
+ PROC(141)='f + fbar -> Z''0'
+ ELSEIF(MSTP(44).EQ.4) THEN
+ PROC(141)='f + fbar -> gamma*/Z0'
+ ELSEIF(MSTP(44).EQ.5) THEN
+ PROC(141)='f + fbar -> gamma*/Z''0'
+ ELSEIF(MSTP(44).EQ.6) THEN
+ PROC(141)='f + fbar -> Z0/Z''0'
+ ELSEIF(MSTP(44).EQ.7) THEN
+ PROC(141)='f + fbar -> gamma*/Z0/Z''0'
+ ENDIF
+
+C...Special cases in treatment of WW -> WW: redefine process name.
+ IF(MSTP(45).EQ.1) THEN
+ PROC(77)='W+ + W+ -> W+ + W+'
+ ELSEIF(MSTP(45).EQ.2) THEN
+ PROC(77)='W+ + W- -> W+ + W-'
+ ELSEIF(MSTP(45).EQ.3) THEN
+ PROC(77)='W+/- + W+/- -> W+/- + W+/-'
+ ENDIF
+
+C...Format for error information.
+ 5000 FORMAT(1X,'Error: unphysical input tan^2(beta) and m_H ',
+ &'combination'/1X,'Execution stopped!')
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYINBM
+C...Identifies the two incoming particles and the choice of frame.
+
+ SUBROUTINE PYINBM(CHFRAM,CHBEAM,CHTARG,WIN)
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYJETS/N,NPAD,K(4000,5),P(4000,5),V(4000,5)
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ SAVE /PYJETS/,/PYDAT1/,/PYDAT2/,/PYSUBS/,/PYPARS/,/PYINT1/
+C...Local arrays, character variables and data.
+ CHARACTER CHFRAM*12,CHBEAM*12,CHTARG*12,CHCOM(3)*12,CHALP(2)*26,
+ &CHIDNT(3)*12,CHTEMP*12,CHCDE(35)*12,CHINIT*76
+ DIMENSION LEN(3),KCDE(35),PM(2)
+ DATA CHALP/'abcdefghijklmnopqrstuvwxyz',
+ &'ABCDEFGHIJKLMNOPQRSTUVWXYZ'/
+ DATA CHCDE/ 'e- ','e+ ','nu_e ',
+ &'nu_ebar ','mu- ','mu+ ','nu_mu ',
+ &'nu_mubar ','tau- ','tau+ ','nu_tau ',
+ &'nu_taubar ','pi+ ','pi- ','n0 ',
+ &'nbar0 ','p+ ','pbar- ','gamma ',
+ &'lambda0 ','sigma- ','sigma0 ','sigma+ ',
+ &'xi- ','xi0 ','omega- ','pi0 ',
+ &'reggeon ','pomeron ','gamma/e- ','gamma/e+ ',
+ &'gamma/mu- ','gamma/mu+ ','gamma/tau- ','gamma/tau+ '/
+ DATA KCDE/11,-11,12,-12,13,-13,14,-14,15,-15,16,-16,
+ &211,-211,2112,-2112,2212,-2212,22,3122,3112,3212,3222,
+ &3312,3322,3334,111,28,29,6*22/
+
+C...Store initial energy. Default frame.
+ VINT(290)=WIN
+ MINT(111)=0
+
+C...Convert character variables to lowercase and find their length.
+ CHCOM(1)=CHFRAM
+ CHCOM(2)=CHBEAM
+ CHCOM(3)=CHTARG
+ DO 130 I=1,3
+ LEN(I)=12
+ DO 110 LL=12,1,-1
+ IF(LEN(I).EQ.LL.AND.CHCOM(I)(LL:LL).EQ.' ') LEN(I)=LL-1
+ DO 100 LA=1,26
+ IF(CHCOM(I)(LL:LL).EQ.CHALP(2)(LA:LA)) CHCOM(I)(LL:LL)=
+ & CHALP(1)(LA:LA)
+ 100 CONTINUE
+ 110 CONTINUE
+ CHIDNT(I)=CHCOM(I)
+
+C...Fix up bar, underscore and charge in particle name (if needed).
+ DO 120 LL=1,10
+ IF(CHIDNT(I)(LL:LL).EQ.'~') THEN
+ CHTEMP=CHIDNT(I)
+ CHIDNT(I)=CHTEMP(1:LL-1)//'bar'//CHTEMP(LL+1:10)//' '
+ ENDIF
+ 120 CONTINUE
+ IF(CHIDNT(I)(1:2).EQ.'nu'.AND.CHIDNT(I)(3:3).NE.'_') THEN
+ CHTEMP=CHIDNT(I)
+ CHIDNT(I)='nu_'//CHTEMP(3:7)
+ ELSEIF(CHIDNT(I)(1:2).EQ.'n ') THEN
+ CHIDNT(I)(1:3)='n0 '
+ ELSEIF(CHIDNT(I)(1:4).EQ.'nbar') THEN
+ CHIDNT(I)(1:5)='nbar0'
+ ELSEIF(CHIDNT(I)(1:2).EQ.'p ') THEN
+ CHIDNT(I)(1:3)='p+ '
+ ELSEIF(CHIDNT(I)(1:4).EQ.'pbar'.OR.
+ & CHIDNT(I)(1:2).EQ.'p-') THEN
+ CHIDNT(I)(1:5)='pbar-'
+ ELSEIF(CHIDNT(I)(1:6).EQ.'lambda') THEN
+ CHIDNT(I)(7:7)='0'
+ ELSEIF(CHIDNT(I)(1:3).EQ.'reg') THEN
+ CHIDNT(I)(1:7)='reggeon'
+ ELSEIF(CHIDNT(I)(1:3).EQ.'pom') THEN
+ CHIDNT(I)(1:7)='pomeron'
+ ENDIF
+ 130 CONTINUE
+
+C...Identify free initialization.
+ IF(CHCOM(1)(1:2).EQ.'no') THEN
+ MINT(65)=1
+ RETURN
+ ENDIF
+
+C...Identify incoming beam and target particles.
+ DO 160 I=1,2
+ DO 140 J=1,35
+ IF(CHIDNT(I+1).EQ.CHCDE(J)) MINT(10+I)=KCDE(J)
+ 140 CONTINUE
+ PM(I)=PYMASS(MINT(10+I))
+ VINT(2+I)=PM(I)
+ MINT(140+I)=0
+ IF(MINT(10+I).EQ.22.AND.CHIDNT(I+1)(6:6).EQ.'/') THEN
+ CHTEMP=CHIDNT(I+1)(7:12)//' '
+ DO 150 J=1,12
+ IF(CHTEMP.EQ.CHCDE(J)) MINT(140+I)=KCDE(J)
+ 150 CONTINUE
+ PM(I)=PYMASS(MINT(140+I))
+ VINT(302+I)=PM(I)
+ ENDIF
+ 160 CONTINUE
+ IF(MINT(11).EQ.0) WRITE(MSTU(11),5000) CHBEAM(1:LEN(2))
+ IF(MINT(12).EQ.0) WRITE(MSTU(11),5100) CHTARG(1:LEN(3))
+ IF(MINT(11).EQ.0.OR.MINT(12).EQ.0) STOP
+
+C...Identify choice of frame and input energies.
+ CHINIT=' '
+
+C...Events defined in the CM frame.
+ IF(CHCOM(1)(1:2).EQ.'cm') THEN
+ MINT(111)=1
+ S=WIN**2
+ IF(MSTP(122).GE.1) THEN
+ IF(CHCOM(2)(1:1).NE.'e') THEN
+ LOFFS=(31-(LEN(2)+LEN(3)))/2
+ CHINIT(LOFFS+1:76)='PYTHIA will be initialized for a '//
+ & CHCOM(2)(1:LEN(2))//' on '//CHCOM(3)(1:LEN(3))//
+ & ' collider'//' '
+ ELSE
+ LOFFS=(30-(LEN(2)+LEN(3)))/2
+ CHINIT(LOFFS+1:76)='PYTHIA will be initialized for an '//
+ & CHCOM(2)(1:LEN(2))//' on '//CHCOM(3)(1:LEN(3))//
+ & ' collider'//' '
+ ENDIF
+ WRITE(MSTU(11),5200) CHINIT
+ WRITE(MSTU(11),5300) WIN
+ ENDIF
+
+C...Events defined in fixed target frame.
+ ELSEIF(CHCOM(1)(1:3).EQ.'fix') THEN
+ MINT(111)=2
+ S=PM(1)**2+PM(2)**2+2D0*PM(2)*SQRT(PM(1)**2+WIN**2)
+ IF(MSTP(122).GE.1) THEN
+ LOFFS=(29-(LEN(2)+LEN(3)))/2
+ CHINIT(LOFFS+1:76)='PYTHIA will be initialized for '//
+ & CHCOM(2)(1:LEN(2))//' on '//CHCOM(3)(1:LEN(3))//
+ & ' fixed target'//' '
+ WRITE(MSTU(11),5200) CHINIT
+ WRITE(MSTU(11),5400) WIN
+ WRITE(MSTU(11),5500) SQRT(S)
+ ENDIF
+
+C...Frame defined by user three-vectors.
+ ELSEIF(CHCOM(1)(1:3).EQ.'use') THEN
+ MINT(111)=3
+ P(1,5)=PM(1)
+ P(2,5)=PM(2)
+ P(1,4)=SQRT(P(1,1)**2+P(1,2)**2+P(1,3)**2+P(1,5)**2)
+ P(2,4)=SQRT(P(2,1)**2+P(2,2)**2+P(2,3)**2+P(2,5)**2)
+ S=(P(1,4)+P(2,4))**2-(P(1,1)+P(2,1))**2-(P(1,2)+P(2,2))**2-
+ & (P(1,3)+P(2,3))**2
+ IF(MSTP(122).GE.1) THEN
+ LOFFS=(22-(LEN(2)+LEN(3)))/2
+ CHINIT(LOFFS+1:76)='PYTHIA will be initialized for '//
+ & CHCOM(2)(1:LEN(2))//' on '//CHCOM(3)(1:LEN(3))//
+ & ' user configuration'//' '
+ WRITE(MSTU(11),5200) CHINIT
+ WRITE(MSTU(11),5600)
+ WRITE(MSTU(11),5700) CHCOM(2),P(1,1),P(1,2),P(1,3),P(1,4)
+ WRITE(MSTU(11),5700) CHCOM(3),P(2,1),P(2,2),P(2,3),P(2,4)
+ WRITE(MSTU(11),5500) SQRT(MAX(0D0,S))
+ ENDIF
+
+C...Frame defined by user four-vectors.
+ ELSEIF(CHCOM(1)(1:4).EQ.'four') THEN
+ MINT(111)=4
+ PMS1=P(1,4)**2-P(1,1)**2-P(1,2)**2-P(1,3)**2
+ P(1,5)=SIGN(SQRT(ABS(PMS1)),PMS1)
+ PMS2=P(2,4)**2-P(2,1)**2-P(2,2)**2-P(2,3)**2
+ P(2,5)=SIGN(SQRT(ABS(PMS2)),PMS2)
+ S=(P(1,4)+P(2,4))**2-(P(1,1)+P(2,1))**2-(P(1,2)+P(2,2))**2-
+ & (P(1,3)+P(2,3))**2
+ IF(MSTP(122).GE.1) THEN
+ LOFFS=(22-(LEN(2)+LEN(3)))/2
+ CHINIT(LOFFS+1:76)='PYTHIA will be initialized for '//
+ & CHCOM(2)(1:LEN(2))//' on '//CHCOM(3)(1:LEN(3))//
+ & ' user configuration'//' '
+ WRITE(MSTU(11),5200) CHINIT
+ WRITE(MSTU(11),5600)
+ WRITE(MSTU(11),5700) CHCOM(2),P(1,1),P(1,2),P(1,3),P(1,4)
+ WRITE(MSTU(11),5700) CHCOM(3),P(2,1),P(2,2),P(2,3),P(2,4)
+ WRITE(MSTU(11),5500) SQRT(MAX(0D0,S))
+ ENDIF
+
+C...Frame defined by user five-vectors.
+ ELSEIF(CHCOM(1)(1:4).EQ.'five') THEN
+ MINT(111)=5
+ S=(P(1,4)+P(2,4))**2-(P(1,1)+P(2,1))**2-(P(1,2)+P(2,2))**2-
+ & (P(1,3)+P(2,3))**2
+ IF(MSTP(122).GE.1) THEN
+ LOFFS=(22-(LEN(2)+LEN(3)))/2
+ CHINIT(LOFFS+1:76)='PYTHIA will be initialized for '//
+ & CHCOM(2)(1:LEN(2))//' on '//CHCOM(3)(1:LEN(3))//
+ & ' user configuration'//' '
+ WRITE(MSTU(11),5200) CHINIT
+ WRITE(MSTU(11),5600)
+ WRITE(MSTU(11),5700) CHCOM(2),P(1,1),P(1,2),P(1,3),P(1,4)
+ WRITE(MSTU(11),5700) CHCOM(3),P(2,1),P(2,2),P(2,3),P(2,4)
+ WRITE(MSTU(11),5500) SQRT(MAX(0D0,S))
+ ENDIF
+
+C...Unknown frame. Error for too low CM energy.
+ ELSE
+ WRITE(MSTU(11),5800) CHFRAM(1:LEN(1))
+ STOP
+ ENDIF
+ IF(S.LT.PARP(2)**2) THEN
+ WRITE(MSTU(11),5900) SQRT(S)
+ STOP
+ ENDIF
+
+C...Formats for initialization and error information.
+ 5000 FORMAT(1X,'Error: unrecognized beam particle ''',A,'''D0'/
+ &1X,'Execution stopped!')
+ 5100 FORMAT(1X,'Error: unrecognized target particle ''',A,'''D0'/
+ &1X,'Execution stopped!')
+ 5200 FORMAT(/1X,78('=')/1X,'I',76X,'I'/1X,'I',A76,'I')
+ 5300 FORMAT(1X,'I',18X,'at',1X,F10.3,1X,'GeV center-of-mass energy',
+ &19X,'I'/1X,'I',76X,'I'/1X,78('='))
+ 5400 FORMAT(1X,'I',22X,'at',1X,F10.3,1X,'GeV/c lab-momentum',22X,'I')
+ 5500 FORMAT(1X,'I',76X,'I'/1X,'I',11X,'corresponding to',1X,F10.3,1X,
+ &'GeV center-of-mass energy',12X,'I'/1X,'I',76X,'I'/1X,78('='))
+ 5600 FORMAT(1X,'I',76X,'I'/1X,'I',18X,'px (GeV/c)',3X,'py (GeV/c)',3X,
+ &'pz (GeV/c)',6X,'E (GeV)',9X,'I')
+ 5700 FORMAT(1X,'I',8X,A8,4(2X,F10.3,1X),8X,'I')
+ 5800 FORMAT(1X,'Error: unrecognized coordinate frame ''',A,'''D0'/
+ &1X,'Execution stopped!')
+ 5900 FORMAT(1X,'Error: too low CM energy,',F8.3,' GeV for event ',
+ &'generation.'/1X,'Execution stopped!')
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYINKI
+C...Sets up kinematics, including rotations and boosts to/from CM frame.
+
+ SUBROUTINE PYINKI(MODKI)
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYJETS/N,NPAD,K(4000,5),P(4000,5),V(4000,5)
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ SAVE /PYJETS/,/PYDAT1/,/PYDAT2/,/PYSUBS/,/PYPARS/,/PYINT1/
+
+C...Set initial flavour state.
+ N=2
+ DO 100 I=1,2
+ K(I,1)=1
+ K(I,2)=MINT(10+I)
+ IF(MINT(140+I).NE.0) K(I,2)=MINT(140+I)
+ 100 CONTINUE
+
+C...Reset boost. Do kinematics for various cases.
+ DO 110 J=6,10
+ VINT(J)=0D0
+ 110 CONTINUE
+
+C...Set up kinematics for events defined in CM frame.
+ IF(MINT(111).EQ.1) THEN
+ WIN=VINT(290)
+ IF(MODKI.EQ.1) WIN=PARP(171)*VINT(290)
+ S=WIN**2
+ P(1,5)=VINT(3)
+ P(2,5)=VINT(4)
+ IF(MINT(141).NE.0) P(1,5)=VINT(303)
+ IF(MINT(142).NE.0) P(2,5)=VINT(304)
+ P(1,1)=0D0
+ P(1,2)=0D0
+ P(2,1)=0D0
+ P(2,2)=0D0
+ P(1,3)=SQRT(((S-P(1,5)**2-P(2,5)**2)**2-(2D0*P(1,5)*P(2,5))**2)/
+ & (4D0*S))
+ P(2,3)=-P(1,3)
+ P(1,4)=SQRT(P(1,3)**2+P(1,5)**2)
+ P(2,4)=SQRT(P(2,3)**2+P(2,5)**2)
+
+C...Set up kinematics for fixed target events.
+ ELSEIF(MINT(111).EQ.2) THEN
+ WIN=VINT(290)
+ IF(MODKI.EQ.1) WIN=PARP(171)*VINT(290)
+ P(1,5)=VINT(3)
+ P(2,5)=VINT(4)
+ IF(MINT(141).NE.0) P(1,5)=VINT(303)
+ IF(MINT(142).NE.0) P(2,5)=VINT(304)
+ P(1,1)=0D0
+ P(1,2)=0D0
+ P(2,1)=0D0
+ P(2,2)=0D0
+ P(1,3)=WIN
+ P(1,4)=SQRT(P(1,3)**2+P(1,5)**2)
+ P(2,3)=0D0
+ P(2,4)=P(2,5)
+ S=P(1,5)**2+P(2,5)**2+2D0*P(2,4)*P(1,4)
+ VINT(10)=P(1,3)/(P(1,4)+P(2,4))
+ CALL PYROBO(0,0,0D0,0D0,0D0,0D0,-VINT(10))
+
+C...Set up kinematics for events in user-defined frame.
+ ELSEIF(MINT(111).EQ.3) THEN
+ P(1,5)=VINT(3)
+ P(2,5)=VINT(4)
+ IF(MINT(141).NE.0) P(1,5)=VINT(303)
+ IF(MINT(142).NE.0) P(2,5)=VINT(304)
+ P(1,4)=SQRT(P(1,1)**2+P(1,2)**2+P(1,3)**2+P(1,5)**2)
+ P(2,4)=SQRT(P(2,1)**2+P(2,2)**2+P(2,3)**2+P(2,5)**2)
+ DO 120 J=1,3
+ VINT(7+J)=(P(1,J)+P(2,J))/(P(1,4)+P(2,4))
+ 120 CONTINUE
+ CALL PYROBO(0,0,0D0,0D0,-VINT(8),-VINT(9),-VINT(10))
+ VINT(7)=PYANGL(P(1,1),P(1,2))
+ CALL PYROBO(0,0,0D0,-VINT(7),0D0,0D0,0D0)
+ VINT(6)=PYANGL(P(1,3),P(1,1))
+ CALL PYROBO(0,0,-VINT(6),0D0,0D0,0D0,0D0)
+ S=P(1,5)**2+P(2,5)**2+2D0*(P(1,4)*P(2,4)-P(1,3)*P(2,3))
+
+C...Set up kinematics for events with user-defined four-vectors.
+ ELSEIF(MINT(111).EQ.4) THEN
+ PMS1=P(1,4)**2-P(1,1)**2-P(1,2)**2-P(1,3)**2
+ P(1,5)=SIGN(SQRT(ABS(PMS1)),PMS1)
+ PMS2=P(2,4)**2-P(2,1)**2-P(2,2)**2-P(2,3)**2
+ P(2,5)=SIGN(SQRT(ABS(PMS2)),PMS2)
+ DO 130 J=1,3
+ VINT(7+J)=(P(1,J)+P(2,J))/(P(1,4)+P(2,4))
+ 130 CONTINUE
+ CALL PYROBO(0,0,0D0,0D0,-VINT(8),-VINT(9),-VINT(10))
+ VINT(7)=PYANGL(P(1,1),P(1,2))
+ CALL PYROBO(0,0,0D0,-VINT(7),0D0,0D0,0D0)
+ VINT(6)=PYANGL(P(1,3),P(1,1))
+ CALL PYROBO(0,0,-VINT(6),0D0,0D0,0D0,0D0)
+ S=(P(1,4)+P(2,4))**2
+
+C...Set up kinematics for events with user-defined five-vectors.
+ ELSEIF(MINT(111).EQ.5) THEN
+ DO 140 J=1,3
+ VINT(7+J)=(P(1,J)+P(2,J))/(P(1,4)+P(2,4))
+ 140 CONTINUE
+ CALL PYROBO(0,0,0D0,0D0,-VINT(8),-VINT(9),-VINT(10))
+ VINT(7)=PYANGL(P(1,1),P(1,2))
+ CALL PYROBO(0,0,0D0,-VINT(7),0D0,0D0,0D0)
+ VINT(6)=PYANGL(P(1,3),P(1,1))
+ CALL PYROBO(0,0,-VINT(6),0D0,0D0,0D0,0D0)
+ S=(P(1,4)+P(2,4))**2
+ ENDIF
+
+C...Return or error for too low CM energy.
+ IF(MODKI.EQ.1.AND.S.LT.PARP(2)**2) THEN
+ IF(MSTP(172).LE.1) THEN
+ CALL PYERRM(23,
+ & '(PYINKI:) too low invariant mass in this event')
+ ELSE
+ MSTI(61)=1
+ RETURN
+ ENDIF
+ ENDIF
+
+C...Save information on incoming particles.
+ VINT(1)=SQRT(S)
+ VINT(2)=S
+ IF(MINT(111).GE.4) THEN
+ IF(MINT(141).EQ.0) THEN
+ VINT(3)=P(1,5)
+ IF(MINT(11).EQ.22.AND.P(1,5).LT.0) VINT(307)=P(1,5)**2
+ ELSE
+ VINT(303)=P(1,5)
+ ENDIF
+ IF(MINT(142).EQ.0) THEN
+ VINT(4)=P(2,5)
+ IF(MINT(12).EQ.22.AND.P(2,5).LT.0) VINT(308)=P(2,5)**2
+ ELSE
+ VINT(304)=P(2,5)
+ ENDIF
+ ENDIF
+ VINT(5)=P(1,3)
+ IF(MODKI.EQ.0) VINT(289)=S
+ DO 150 J=1,5
+ V(1,J)=0D0
+ V(2,J)=0D0
+ VINT(290+J)=P(1,J)
+ VINT(295+J)=P(2,J)
+ 150 CONTINUE
+
+C...Store pT cut-off and related constants to be used in generation.
+ IF(MODKI.EQ.0) VINT(285)=CKIN(3)
+ IF(MSTP(82).LE.1) THEN
+ PTMN=PARP(81)*(VINT(1)/PARP(89))**PARP(90)
+ ELSE
+ PTMN=PARP(82)*(VINT(1)/PARP(89))**PARP(90)
+ ENDIF
+ VINT(149)=4D0*PTMN**2/S
+ VINT(154)=PTMN
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYINPR
+C...Selects partonic subprocesses to be included in the simulation.
+
+ SUBROUTINE PYINPR
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT3/MDCY(500,3),MDME(4000,2),BRAT(4000),KFDP(4000,5)
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT2/ISET(500),KFPR(500,2),COEF(500,20),ICOL(40,4,2)
+ SAVE /PYDAT1/,/PYDAT3/,/PYSUBS/,/PYPARS/,/PYINT1/,/PYINT2/
+
+C...Reset processes to be included.
+ IF(MSEL.NE.0) THEN
+ DO 100 I=1,500
+ MSUB(I)=0
+ 100 CONTINUE
+ ENDIF
+
+C...Set running pTmin scale.
+ IF(MSTP(82).LE.1) THEN
+ PTMRUN=PARP(81)*(VINT(1)/PARP(89))**PARP(90)
+ ELSE
+ PTMRUN=PARP(82)*(VINT(1)/PARP(89))**PARP(90)
+ ENDIF
+
+C...Begin by assuming incoming photon to enter subprocess.
+ IF(MINT(11).EQ.22) MINT(15)=22
+ IF(MINT(12).EQ.22) MINT(16)=22
+
+C...For e-gamma with MSTP(14)=10 allow mixture of VMD and anomalous.
+ IF(MINT(121).EQ.2.AND.MSTP(14).EQ.10) THEN
+ MSUB(10)=1
+ MINT(123)=MINT(122)+1
+
+C...For gamma-p or gamma-gamma with MSTP(14) = 10, 20, 25 or 30
+C...allow mixture.
+C...Here also set a few parameters otherwise normally not touched.
+ ELSEIF(MINT(121).GT.1) THEN
+
+C...Parton distributions dampened at small Q2; go to low energies,
+C...alpha_s <1; no minimum pT cut-off a priori.
+ IF(MSTP(18).EQ.2) THEN
+ MSTP(57)=3
+ PARP(2)=2D0
+ PARU(115)=1D0
+ CKIN(5)=0.2D0
+ CKIN(6)=0.2D0
+ ENDIF
+
+C...Define pT cut-off parameters and whether run involves low-pT.
+ PTMVMD=PTMRUN
+ VINT(154)=PTMVMD
+ PTMDIR=PTMVMD
+ IF(MSTP(18).EQ.2) PTMDIR=PARP(15)
+ PTMANO=PTMVMD
+ IF(MSTP(15).EQ.5) PTMANO=0.60D0+
+ & 0.125D0*LOG(1D0+0.10D0*VINT(1))**2
+ IPTL=1
+ IF(VINT(285).GT.MAX(PTMVMD,PTMDIR,PTMANO)) IPTL=0
+ IF(MSEL.EQ.2) IPTL=1
+
+C...Set up for p/gamma * gamma; real or virtual photons.
+ IF(MINT(121).EQ.3.OR.MINT(121).EQ.6.OR.(MINT(121).EQ.4.AND.
+ & MSTP(14).EQ.30)) THEN
+
+C...Set up for p/VMD * VMD.
+ IF(MINT(122).EQ.1) THEN
+ MINT(123)=2
+ MSUB(11)=1
+ MSUB(12)=1
+ MSUB(13)=1
+ MSUB(28)=1
+ MSUB(53)=1
+ MSUB(68)=1
+ IF(IPTL.EQ.1) MSUB(95)=1
+ IF(MSEL.EQ.2) THEN
+ MSUB(91)=1
+ MSUB(92)=1
+ MSUB(93)=1
+ MSUB(94)=1
+ ENDIF
+ IF(IPTL.EQ.1) CKIN(3)=0D0
+
+C...Set up for p/VMD * direct gamma.
+ ELSEIF(MINT(122).EQ.2) THEN
+ MINT(123)=0
+ IF(MINT(121).EQ.6) MINT(123)=5
+ MSUB(131)=1
+ MSUB(132)=1
+ MSUB(135)=1
+ MSUB(136)=1
+ IF(IPTL.EQ.1) CKIN(3)=PTMDIR
+
+C...Set up for p/VMD * anomalous gamma.
+ ELSEIF(MINT(122).EQ.3) THEN
+ MINT(123)=3
+ IF(MINT(121).EQ.6) MINT(123)=7
+ MSUB(11)=1
+ MSUB(12)=1
+ MSUB(13)=1
+ MSUB(28)=1
+ MSUB(53)=1
+ MSUB(68)=1
+ IF(IPTL.EQ.1) MSUB(95)=1
+ IF(MSEL.EQ.2) THEN
+ MSUB(91)=1
+ MSUB(92)=1
+ MSUB(93)=1
+ MSUB(94)=1
+ ENDIF
+ IF(IPTL.EQ.1) CKIN(3)=0D0
+
+C...Set up for DIS * p.
+ ELSEIF(MINT(122).EQ.4.AND.(IABS(MINT(11)).GE.28.OR.
+ & IABS(MINT(12)).GE.28)) THEN
+ MINT(123)=8
+ IF(IPTL.EQ.1) MSUB(99)=1
+
+C...Set up for direct * direct gamma (switch off leptons).
+ ELSEIF(MINT(122).EQ.4) THEN
+ MINT(123)=0
+ MSUB(137)=1
+ MSUB(138)=1
+ MSUB(139)=1
+ MSUB(140)=1
+ DO 110 II=MDCY(22,2),MDCY(22,2)+MDCY(22,3)-1
+ IF(IABS(KFDP(II,1)).GE.10) MDME(II,1)=MIN(0,MDME(II,1))
+ 110 CONTINUE
+ IF(IPTL.EQ.1) CKIN(3)=PTMDIR
+
+C...Set up for direct * anomalous gamma.
+ ELSEIF(MINT(122).EQ.5) THEN
+ MINT(123)=6
+ MSUB(131)=1
+ MSUB(132)=1
+ MSUB(135)=1
+ MSUB(136)=1
+ IF(IPTL.EQ.1) CKIN(3)=PTMANO
+
+C...Set up for anomalous * anomalous gamma.
+ ELSEIF(MINT(122).EQ.6) THEN
+ MINT(123)=3
+ MSUB(11)=1
+ MSUB(12)=1
+ MSUB(13)=1
+ MSUB(28)=1
+ MSUB(53)=1
+ MSUB(68)=1
+ IF(IPTL.EQ.1) MSUB(95)=1
+ IF(MSEL.EQ.2) THEN
+ MSUB(91)=1
+ MSUB(92)=1
+ MSUB(93)=1
+ MSUB(94)=1
+ ENDIF
+ IF(IPTL.EQ.1) CKIN(3)=0D0
+ ENDIF
+
+C...Set up for gamma* * gamma*; virtual photons = dir, VMD, anom.
+ ELSEIF(MINT(121).EQ.9.OR.MINT(121).EQ.13) THEN
+
+C...Set up for direct * direct gamma (switch off leptons).
+ IF(MINT(122).EQ.1) THEN
+ MINT(123)=0
+ MSUB(137)=1
+ MSUB(138)=1
+ MSUB(139)=1
+ MSUB(140)=1
+ DO 120 II=MDCY(22,2),MDCY(22,2)+MDCY(22,3)-1
+ IF(IABS(KFDP(II,1)).GE.10) MDME(II,1)=MIN(0,MDME(II,1))
+ 120 CONTINUE
+ IF(IPTL.EQ.1) CKIN(3)=PTMDIR
+
+C...Set up for direct * VMD and VMD * direct gamma.
+ ELSEIF(MINT(122).EQ.2.OR.MINT(122).EQ.4) THEN
+ MINT(123)=5
+ MSUB(131)=1
+ MSUB(132)=1
+ MSUB(135)=1
+ MSUB(136)=1
+ IF(IPTL.EQ.1) CKIN(3)=PTMDIR
+
+C...Set up for direct * anomalous and anomalous * direct gamma.
+ ELSEIF(MINT(122).EQ.3.OR.MINT(122).EQ.7) THEN
+ MINT(123)=6
+ MSUB(131)=1
+ MSUB(132)=1
+ MSUB(135)=1
+ MSUB(136)=1
+ IF(IPTL.EQ.1) CKIN(3)=PTMANO
+
+C...Set up for VMD*VMD.
+ ELSEIF(MINT(122).EQ.5) THEN
+ MINT(123)=2
+ MSUB(11)=1
+ MSUB(12)=1
+ MSUB(13)=1
+ MSUB(28)=1
+ MSUB(53)=1
+ MSUB(68)=1
+ IF(IPTL.EQ.1) MSUB(95)=1
+ IF(MSEL.EQ.2) THEN
+ MSUB(91)=1
+ MSUB(92)=1
+ MSUB(93)=1
+ MSUB(94)=1
+ ENDIF
+ IF(IPTL.EQ.1) CKIN(3)=0D0
+
+C...Set up for VMD * anomalous and anomalous * VMD gamma.
+ ELSEIF(MINT(122).EQ.6.OR.MINT(122).EQ.8) THEN
+ MINT(123)=7
+ MSUB(11)=1
+ MSUB(12)=1
+ MSUB(13)=1
+ MSUB(28)=1
+ MSUB(53)=1
+ MSUB(68)=1
+ IF(IPTL.EQ.1) MSUB(95)=1
+ IF(MSEL.EQ.2) THEN
+ MSUB(91)=1
+ MSUB(92)=1
+ MSUB(93)=1
+ MSUB(94)=1
+ ENDIF
+ IF(IPTL.EQ.1) CKIN(3)=0D0
+
+C...Set up for anomalous * anomalous gamma.
+ ELSEIF(MINT(122).EQ.9) THEN
+ MINT(123)=3
+ MSUB(11)=1
+ MSUB(12)=1
+ MSUB(13)=1
+ MSUB(28)=1
+ MSUB(53)=1
+ MSUB(68)=1
+ IF(IPTL.EQ.1) MSUB(95)=1
+ IF(MSEL.EQ.2) THEN
+ MSUB(91)=1
+ MSUB(92)=1
+ MSUB(93)=1
+ MSUB(94)=1
+ ENDIF
+ IF(IPTL.EQ.1) CKIN(3)=0D0
+
+C...Set up for DIS * VMD and VMD * DIS gamma.
+ ELSEIF(MINT(122).EQ.10.OR.MINT(122).EQ.12) THEN
+ MINT(123)=8
+ IF(IPTL.EQ.1) MSUB(99)=1
+
+C...Set up for DIS * anomalous and anomalous * DIS gamma.
+ ELSEIF(MINT(122).EQ.11.OR.MINT(122).EQ.13) THEN
+ MINT(123)=9
+ IF(IPTL.EQ.1) MSUB(99)=1
+ ENDIF
+
+C...Set up for gamma* * p; virtual photons = dir, res.
+ ELSEIF(MINT(121).EQ.2) THEN
+
+C...Set up for direct * p.
+ IF(MINT(122).EQ.1) THEN
+ MINT(123)=0
+ MSUB(131)=1
+ MSUB(132)=1
+ MSUB(135)=1
+ MSUB(136)=1
+ IF(IPTL.EQ.1) CKIN(3)=PTMDIR
+
+C...Set up for resolved * p.
+ ELSEIF(MINT(122).EQ.2) THEN
+ MINT(123)=1
+ MSUB(11)=1
+ MSUB(12)=1
+ MSUB(13)=1
+ MSUB(28)=1
+ MSUB(53)=1
+ MSUB(68)=1
+ IF(IPTL.EQ.1) MSUB(95)=1
+ IF(MSEL.EQ.2) THEN
+ MSUB(91)=1
+ MSUB(92)=1
+ MSUB(93)=1
+ MSUB(94)=1
+ ENDIF
+ IF(IPTL.EQ.1) CKIN(3)=0D0
+ ENDIF
+
+C...Set up for gamma* * gamma*; virtual photons = dir, res.
+ ELSEIF(MINT(121).EQ.4) THEN
+
+C...Set up for direct * direct gamma (switch off leptons).
+ IF(MINT(122).EQ.1) THEN
+ MINT(123)=0
+ MSUB(137)=1
+ MSUB(138)=1
+ MSUB(139)=1
+ MSUB(140)=1
+ DO 130 II=MDCY(22,2),MDCY(22,2)+MDCY(22,3)-1
+ IF(IABS(KFDP(II,1)).GE.10) MDME(II,1)=MIN(0,MDME(II,1))
+ 130 CONTINUE
+ IF(IPTL.EQ.1) CKIN(3)=PTMDIR
+
+C...Set up for direct * resolved and resolved * direct gamma.
+ ELSEIF(MINT(122).EQ.2.OR.MINT(122).EQ.3) THEN
+ MINT(123)=5
+ MSUB(131)=1
+ MSUB(132)=1
+ MSUB(135)=1
+ MSUB(136)=1
+ IF(IPTL.EQ.1) CKIN(3)=PTMDIR
+
+C...Set up for resolved * resolved gamma.
+ ELSEIF(MINT(122).EQ.4) THEN
+ MINT(123)=2
+ MSUB(11)=1
+ MSUB(12)=1
+ MSUB(13)=1
+ MSUB(28)=1
+ MSUB(53)=1
+ MSUB(68)=1
+ IF(IPTL.EQ.1) MSUB(95)=1
+ IF(MSEL.EQ.2) THEN
+ MSUB(91)=1
+ MSUB(92)=1
+ MSUB(93)=1
+ MSUB(94)=1
+ ENDIF
+ IF(IPTL.EQ.1) CKIN(3)=0D0
+ ENDIF
+
+C...End of special set up for gamma-p and gamma-gamma.
+ ENDIF
+ CKIN(1)=2D0*CKIN(3)
+ ENDIF
+
+C...Flavour information for individual beams.
+ DO 140 I=1,2
+ MINT(40+I)=1
+ IF(MINT(123).GE.1.AND.MINT(10+I).EQ.22) MINT(40+I)=2
+ IF(IABS(MINT(10+I)).GT.100) MINT(40+I)=2
+ IF(MINT(10+I).EQ.28.OR.MINT(10+I).EQ.29) MINT(40+I)=2
+ MINT(44+I)=MINT(40+I)
+ IF(MSTP(11).GE.1.AND.(IABS(MINT(10+I)).EQ.11.OR.
+ & IABS(MINT(10+I)).EQ.13.OR.IABS(MINT(10+I)).EQ.15)) MINT(44+I)=3
+ 140 CONTINUE
+
+C...If two real gammas, whereof one direct, pick the first.
+C...For two virtual photons, keep requested order.
+ IF(MINT(11).EQ.22.AND.MINT(12).EQ.22) THEN
+ IF(MSTP(14).LE.10.AND.MINT(123).GE.4.AND.MINT(123).LE.6) THEN
+ MINT(41)=1
+ MINT(45)=1
+ ELSEIF(MSTP(14).EQ.12.OR.MSTP(14).EQ.13.OR.MSTP(14).EQ.22.OR.
+ & MSTP(14).EQ.26.OR.MSTP(14).EQ.27) THEN
+ MINT(41)=1
+ MINT(45)=1
+ ELSEIF(MSTP(14).EQ.14.OR.MSTP(14).EQ.17.OR.MSTP(14).EQ.23.OR.
+ & MSTP(14).EQ.28.OR.MSTP(14).EQ.29) THEN
+ MINT(42)=1
+ MINT(46)=1
+ ELSEIF((MSTP(14).EQ.20.OR.MSTP(14).EQ.30).AND.(MINT(122).EQ.2
+ & .OR.MINT(122).EQ.3.OR.MINT(122).EQ.10.OR.MINT(122).EQ.11)) THEN
+ MINT(41)=1
+ MINT(45)=1
+ ELSEIF((MSTP(14).EQ.20.OR.MSTP(14).EQ.30).AND.(MINT(122).EQ.4
+ & .OR.MINT(122).EQ.7.OR.MINT(122).EQ.12.OR.MINT(122).EQ.13)) THEN
+ MINT(42)=1
+ MINT(46)=1
+ ELSEIF(MSTP(14).EQ.25.AND.MINT(122).EQ.2) THEN
+ MINT(41)=1
+ MINT(45)=1
+ ELSEIF(MSTP(14).EQ.25.AND.MINT(122).EQ.3) THEN
+ MINT(42)=1
+ MINT(46)=1
+ ENDIF
+ ELSEIF(MINT(11).EQ.22.OR.MINT(12).EQ.22) THEN
+ IF(MSTP(14).EQ.26.OR.MSTP(14).EQ.28.OR.MINT(122).EQ.4) THEN
+ IF(MINT(11).EQ.22) THEN
+ MINT(41)=1
+ MINT(45)=1
+ ELSE
+ MINT(42)=1
+ MINT(46)=1
+ ENDIF
+ ENDIF
+ IF(MINT(123).GE.4.AND.MINT(123).LE.7) CALL PYERRM(26,
+ & '(PYINPR:) unallowed MSTP(14) code for single photon')
+ ENDIF
+
+C...Flavour information on combination of incoming particles.
+ MINT(43)=2*MINT(41)+MINT(42)-2
+ MINT(44)=MINT(43)
+ IF(MINT(123).LE.0) THEN
+ IF(MINT(11).EQ.22) MINT(43)=MINT(43)+2
+ IF(MINT(12).EQ.22) MINT(43)=MINT(43)+1
+ ELSEIF(MINT(123).LE.3) THEN
+ IF(MINT(11).EQ.22) MINT(44)=MINT(44)-2
+ IF(MINT(12).EQ.22) MINT(44)=MINT(44)-1
+ ELSEIF(MINT(11).EQ.22.AND.MINT(12).EQ.22) THEN
+ MINT(43)=4
+ MINT(44)=1
+ ENDIF
+ MINT(47)=2*MIN(2,MINT(45))+MIN(2,MINT(46))-2
+ IF(MIN(MINT(45),MINT(46)).EQ.3) MINT(47)=5
+ IF(MINT(45).EQ.1.AND.MINT(46).EQ.3) MINT(47)=6
+ IF(MINT(45).EQ.3.AND.MINT(46).EQ.1) MINT(47)=7
+ MINT(50)=0
+ IF(MINT(41).EQ.2.AND.MINT(42).EQ.2) MINT(50)=1
+ MINT(107)=0
+ MINT(108)=0
+ IF(MINT(121).EQ.9.OR.MINT(121).EQ.13) THEN
+ IF((MINT(122).GE.4.AND.MINT(122).LE.6).OR.MINT(122).EQ.12)
+ & MINT(107)=2
+ IF((MINT(122).GE.7.AND.MINT(122).LE.9).OR.MINT(122).EQ.13)
+ & MINT(107)=3
+ IF(MINT(122).EQ.10.OR.MINT(122).EQ.11) MINT(107)=4
+ IF(MINT(122).EQ.2.OR.MINT(122).EQ.5.OR.MINT(122).EQ.8.OR.
+ & MINT(122).EQ.10) MINT(108)=2
+ IF(MINT(122).EQ.3.OR.MINT(122).EQ.6.OR.MINT(122).EQ.9.OR.
+ & MINT(122).EQ.11) MINT(108)=3
+ IF(MINT(122).EQ.12.OR.MINT(122).EQ.13) MINT(108)=4
+ ELSEIF(MINT(121).EQ.4.AND.MSTP(14).EQ.25) THEN
+ IF(MINT(122).GE.3) MINT(107)=1
+ IF(MINT(122).EQ.2.OR.MINT(122).EQ.4) MINT(108)=1
+ ELSEIF(MINT(121).EQ.2) THEN
+ IF(MINT(122).EQ.2.AND.MINT(11).EQ.22) MINT(107)=1
+ IF(MINT(122).EQ.2.AND.MINT(12).EQ.22) MINT(108)=1
+ ELSE
+ IF(MINT(11).EQ.22) THEN
+ MINT(107)=MINT(123)
+ IF(MINT(123).GE.4) MINT(107)=0
+ IF(MINT(123).EQ.7) MINT(107)=2
+ IF(MSTP(14).EQ.26.OR.MSTP(14).EQ.27) MINT(107)=4
+ IF(MSTP(14).EQ.28) MINT(107)=2
+ IF(MSTP(14).EQ.29) MINT(107)=3
+ IF(MSTP(14).EQ.30.AND.MINT(121).EQ.4.AND.MINT(122).EQ.4)
+ & MINT(107)=4
+ ENDIF
+ IF(MINT(12).EQ.22) THEN
+ MINT(108)=MINT(123)
+ IF(MINT(123).GE.4) MINT(108)=MINT(123)-3
+ IF(MINT(123).EQ.7) MINT(108)=3
+ IF(MSTP(14).EQ.26) MINT(108)=2
+ IF(MSTP(14).EQ.27) MINT(108)=3
+ IF(MSTP(14).EQ.28.OR.MSTP(14).EQ.29) MINT(108)=4
+ IF(MSTP(14).EQ.30.AND.MINT(121).EQ.4.AND.MINT(122).EQ.4)
+ & MINT(108)=4
+ ENDIF
+ IF(MINT(11).EQ.22.AND.MINT(12).EQ.22.AND.(MSTP(14).EQ.14.OR.
+ & MSTP(14).EQ.17.OR.MSTP(14).EQ.18.OR.MSTP(14).EQ.23)) THEN
+ MINTTP=MINT(107)
+ MINT(107)=MINT(108)
+ MINT(108)=MINTTP
+ ENDIF
+ ENDIF
+ IF(MINT(15).EQ.22.AND.MINT(41).EQ.2) MINT(15)=0
+ IF(MINT(16).EQ.22.AND.MINT(42).EQ.2) MINT(16)=0
+
+C...Select default processes according to incoming beams
+C...(already done for gamma-p and gamma-gamma with
+C...MSTP(14) = 10, 20, 25 or 30).
+ IF(MINT(121).GT.1) THEN
+ ELSEIF(MSEL.EQ.1.OR.MSEL.EQ.2) THEN
+
+ IF(MINT(43).EQ.1) THEN
+C...Lepton + lepton -> gamma/Z0 or W.
+ IF(MINT(11)+MINT(12).EQ.0) MSUB(1)=1
+ IF(MINT(11)+MINT(12).NE.0) MSUB(2)=1
+
+ ELSEIF(MINT(43).LE.3.AND.MINT(123).EQ.0.AND.
+ & (MINT(11).EQ.22.OR.MINT(12).EQ.22)) THEN
+C...Unresolved photon + lepton: Compton scattering.
+ MSUB(133)=1
+ MSUB(134)=1
+
+ ELSEIF((MINT(123).EQ.8.OR.MINT(123).EQ.9).AND.(MINT(11).EQ.22
+ & .OR.MINT(12).EQ.22)) THEN
+C...DIS as pure gamma* + f -> f process.
+ MSUB(99)=1
+
+ ELSEIF(MINT(43).LE.3) THEN
+C...Lepton + hadron: deep inelastic scattering.
+ MSUB(10)=1
+
+ ELSEIF(MINT(123).EQ.0.AND.MINT(11).EQ.22.AND.
+ & MINT(12).EQ.22) THEN
+C...Two unresolved photons: fermion pair production,
+C...exclude lepton pairs.
+ DO 150 ISUB=137,140
+ MSUB(ISUB)=1
+ 150 CONTINUE
+ DO 155 II=MDCY(22,2),MDCY(22,2)+MDCY(22,3)-1
+ IF(IABS(KFDP(II,1)).GE.10) MDME(II,1)=MIN(0,MDME(II,1))
+ 155 CONTINUE
+ PTMDIR=PTMRUN
+ IF(MSTP(18).EQ.2) PTMDIR=PARP(15)
+ IF(CKIN(3).LT.PTMRUN.OR.MSEL.EQ.2) CKIN(3)=PTMDIR
+ CKIN(1)=MAX(CKIN(1),2D0*CKIN(3))
+
+ ELSEIF((MINT(123).EQ.0.AND.(MINT(11).EQ.22.OR.MINT(12).EQ.22))
+ & .OR.(MINT(123).GE.4.AND.MINT(123).LE.6.AND.MINT(11).EQ.22.AND.
+ & MINT(12).EQ.22)) THEN
+C...Unresolved photon + hadron: photon-parton scattering.
+ DO 160 ISUB=131,136
+ MSUB(ISUB)=1
+ 160 CONTINUE
+
+ ELSEIF(MSEL.EQ.1) THEN
+C...High-pT QCD processes:
+ MSUB(11)=1
+ MSUB(12)=1
+ MSUB(13)=1
+ MSUB(28)=1
+ MSUB(53)=1
+ MSUB(68)=1
+ PTMN=PTMRUN
+ VINT(154)=PTMN
+ IF(CKIN(3).LT.PTMN) MSUB(95)=1
+ IF(MSUB(95).EQ.1.AND.MINT(50).EQ.0) MSUB(95)=0
+
+ ELSE
+C...All QCD processes:
+ MSUB(11)=1
+ MSUB(12)=1
+ MSUB(13)=1
+ MSUB(28)=1
+ MSUB(53)=1
+ MSUB(68)=1
+ MSUB(91)=1
+ MSUB(92)=1
+ MSUB(93)=1
+ MSUB(94)=1
+ MSUB(95)=1
+ ENDIF
+
+ ELSEIF(MSEL.GE.4.AND.MSEL.LE.8) THEN
+C...Heavy quark production.
+ MSUB(81)=1
+ MSUB(82)=1
+ MSUB(84)=1
+ DO 170 J=1,MIN(8,MDCY(21,3))
+ MDME(MDCY(21,2)+J-1,1)=0
+ 170 CONTINUE
+ MDME(MDCY(21,2)+MSEL-1,1)=1
+ MSUB(85)=1
+ DO 180 J=1,MIN(12,MDCY(22,3))
+ MDME(MDCY(22,2)+J-1,1)=0
+ 180 CONTINUE
+ MDME(MDCY(22,2)+MSEL-1,1)=1
+
+ ELSEIF(MSEL.EQ.10) THEN
+C...Prompt photon production:
+ MSUB(14)=1
+ MSUB(18)=1
+ MSUB(29)=1
+
+ ELSEIF(MSEL.EQ.11) THEN
+C...Z0/gamma* production:
+ MSUB(1)=1
+
+ ELSEIF(MSEL.EQ.12) THEN
+C...W+/- production:
+ MSUB(2)=1
+
+ ELSEIF(MSEL.EQ.13) THEN
+C...Z0 + jet:
+ MSUB(15)=1
+ MSUB(30)=1
+
+ ELSEIF(MSEL.EQ.14) THEN
+C...W+/- + jet:
+ MSUB(16)=1
+ MSUB(31)=1
+
+ ELSEIF(MSEL.EQ.15) THEN
+C...Z0 & W+/- pair production:
+ MSUB(19)=1
+ MSUB(20)=1
+ MSUB(22)=1
+ MSUB(23)=1
+ MSUB(25)=1
+
+ ELSEIF(MSEL.EQ.16) THEN
+C...h0 production:
+ MSUB(3)=1
+ MSUB(102)=1
+ MSUB(103)=1
+ MSUB(123)=1
+ MSUB(124)=1
+
+ ELSEIF(MSEL.EQ.17) THEN
+C...h0 & Z0 or W+/- pair production:
+ MSUB(24)=1
+ MSUB(26)=1
+
+ ELSEIF(MSEL.EQ.18) THEN
+C...h0 production; interesting processes in e+e-.
+ MSUB(24)=1
+ MSUB(103)=1
+ MSUB(123)=1
+ MSUB(124)=1
+
+ ELSEIF(MSEL.EQ.19) THEN
+C...h0, H0 and A0 production; interesting processes in e+e-.
+ MSUB(24)=1
+ MSUB(103)=1
+ MSUB(123)=1
+ MSUB(124)=1
+ MSUB(153)=1
+ MSUB(171)=1
+ MSUB(173)=1
+ MSUB(174)=1
+ MSUB(158)=1
+ MSUB(176)=1
+ MSUB(178)=1
+ MSUB(179)=1
+
+ ELSEIF(MSEL.EQ.21) THEN
+C...Z'0 production:
+ MSUB(141)=1
+
+ ELSEIF(MSEL.EQ.22) THEN
+C...W'+/- production:
+ MSUB(142)=1
+
+ ELSEIF(MSEL.EQ.23) THEN
+C...H+/- production:
+ MSUB(143)=1
+
+ ELSEIF(MSEL.EQ.24) THEN
+C...R production:
+ MSUB(144)=1
+
+ ELSEIF(MSEL.EQ.25) THEN
+C...LQ (leptoquark) production.
+ MSUB(145)=1
+ MSUB(162)=1
+ MSUB(163)=1
+ MSUB(164)=1
+
+ ELSEIF(MSEL.GE.35.AND.MSEL.LE.38) THEN
+C...Production of one heavy quark (W exchange):
+ MSUB(83)=1
+ DO 190 J=1,MIN(8,MDCY(21,3))
+ MDME(MDCY(21,2)+J-1,1)=0
+ 190 CONTINUE
+ MDME(MDCY(21,2)+MSEL-31,1)=1
+
+CMRENNA++Define SUSY alternatives.
+ ELSEIF(MSEL.EQ.39) THEN
+C...Turn on all SUSY processes.
+ IF(MINT(43).EQ.4) THEN
+C...Hadron-hadron processes.
+ DO 200 I=201,301
+ IF(ISET(I).GE.0) MSUB(I)=1
+ 200 CONTINUE
+ ELSEIF(MINT(43).EQ.1) THEN
+C...Lepton-lepton processes: QED production of squarks.
+ DO 210 I=201,214
+ MSUB(I)=1
+ 210 CONTINUE
+ MSUB(210)=0
+ MSUB(211)=0
+ MSUB(212)=0
+ DO 220 I=216,228
+ MSUB(I)=1
+ 220 CONTINUE
+ DO 230 I=261,263
+ MSUB(I)=1
+ 230 CONTINUE
+ MSUB(277)=1
+ MSUB(278)=1
+ ENDIF
+
+ ELSEIF(MSEL.EQ.40) THEN
+C...Gluinos and squarks.
+ IF(MINT(43).EQ.4) THEN
+ MSUB(243)=1
+ MSUB(244)=1
+ MSUB(258)=1
+ MSUB(259)=1
+ MSUB(261)=1
+ MSUB(262)=1
+ MSUB(264)=1
+ MSUB(265)=1
+ DO 240 I=271,296
+ MSUB(I)=1
+ 240 CONTINUE
+ ELSEIF(MINT(43).EQ.1) THEN
+ MSUB(277)=1
+ MSUB(278)=1
+ ENDIF
+
+ ELSEIF(MSEL.EQ.41) THEN
+C...Stop production.
+ MSUB(261)=1
+ MSUB(262)=1
+ MSUB(263)=1
+ IF(MINT(43).EQ.4) THEN
+ MSUB(264)=1
+ MSUB(265)=1
+ ENDIF
+
+ ELSEIF(MSEL.EQ.42) THEN
+C...Slepton production.
+ DO 250 I=201,214
+ MSUB(I)=1
+ 250 CONTINUE
+ IF(MINT(43).NE.4) THEN
+ MSUB(210)=0
+ MSUB(211)=0
+ MSUB(212)=0
+ ENDIF
+
+ ELSEIF(MSEL.EQ.43) THEN
+C...Neutralino/Chargino + Gluino/Squark.
+ IF(MINT(43).EQ.4) THEN
+ DO 260 I=237,242
+ MSUB(I)=1
+ 260 CONTINUE
+ DO 270 I=246,257
+ MSUB(I)=1
+ 270 CONTINUE
+ ENDIF
+
+ ELSEIF(MSEL.EQ.44) THEN
+C...Neutralino/Chargino pair production.
+ IF(MINT(43).EQ.4) THEN
+ DO 280 I=216,236
+ MSUB(I)=1
+ 280 CONTINUE
+ ELSEIF(MINT(43).EQ.1) THEN
+ DO 290 I=216,228
+ MSUB(I)=1
+ 290 CONTINUE
+ ENDIF
+
+ ELSEIF(MSEL.EQ.45) THEN
+C...Sbottom production.
+ MSUB(287)=1
+ MSUB(288)=1
+ IF(MINT(43).EQ.4) THEN
+ DO 300 I=281,296
+ MSUB(I)=1
+ 300 CONTINUE
+ ENDIF
+
+ ELSEIF(MSEL.EQ.50) THEN
+ DO 305 I=361,368
+ MSUB(I)=1
+ 305 CONTINUE
+ IF(MINT(43).EQ.4) THEN
+ DO 307 I=370,377
+ MSUB(I)=1
+ 307 CONTINUE
+ ENDIF
+
+ ENDIF
+
+C...Find heaviest new quark flavour allowed in processes 81-84.
+ KFLQM=1
+ DO 310 I=1,MIN(8,MDCY(21,3))
+ IDC=I+MDCY(21,2)-1
+ IF(MDME(IDC,1).LE.0) GOTO 310
+ KFLQM=I
+ 310 CONTINUE
+ IF(MSTP(7).GE.1.AND.MSTP(7).LE.8.AND.(MSEL.LE.3.OR.MSEL.GE.9))
+ &KFLQM=MSTP(7)
+ MINT(55)=KFLQM
+ KFPR(81,1)=KFLQM
+ KFPR(81,2)=KFLQM
+ KFPR(82,1)=KFLQM
+ KFPR(82,2)=KFLQM
+ KFPR(83,1)=KFLQM
+ KFPR(84,1)=KFLQM
+ KFPR(84,2)=KFLQM
+
+C...Find heaviest new fermion flavour allowed in process 85.
+ KFLFM=1
+ DO 320 I=1,MIN(12,MDCY(22,3))
+ IDC=I+MDCY(22,2)-1
+ IF(MDME(IDC,1).LE.0) GOTO 320
+ KFLFM=KFDP(IDC,1)
+ 320 CONTINUE
+ IF(((MSTP(7).GE.1.AND.MSTP(7).LE.8).OR.(MSTP(7).GE.11.AND.
+ &MSTP(7).LE.18)).AND.(MSEL.LE.3.OR.MSEL.GE.9)) KFLFM=MSTP(7)
+ MINT(56)=KFLFM
+ KFPR(85,1)=KFLFM
+ KFPR(85,2)=KFLFM
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYXTOT
+C...Parametrizes total, elastic and diffractive cross-sections
+C...for different energies and beams. Donnachie-Landshoff for
+C...total and Schuler-Sjostrand for elastic and diffractive.
+C...Process code IPROC:
+C...= 1 : p + p;
+C...= 2 : pbar + p;
+C...= 3 : pi+ + p;
+C...= 4 : pi- + p;
+C...= 5 : pi0 + p;
+C...= 6 : phi + p;
+C...= 7 : J/psi + p;
+C...= 11 : rho + rho;
+C...= 12 : rho + phi;
+C...= 13 : rho + J/psi;
+C...= 14 : phi + phi;
+C...= 15 : phi + J/psi;
+C...= 16 : J/psi + J/psi;
+C...= 21 : gamma + p (DL);
+C...= 22 : gamma + p (VDM).
+C...= 23 : gamma + pi (DL);
+C...= 24 : gamma + pi (VDM);
+C...= 25 : gamma + gamma (DL);
+C...= 26 : gamma + gamma (VDM).
+
+ SUBROUTINE PYXTOT
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT5/NGENPD,NGEN(0:500,3),XSEC(0:500,3)
+ COMMON/PYINT7/SIGT(0:6,0:6,0:5)
+ SAVE /PYDAT1/,/PYDAT2/,/PYPARS/,/PYINT1/,/PYINT5/,/PYINT7/
+C...Local arrays.
+ DIMENSION NPROC(30),XPAR(30),YPAR(30),IHADA(20),IHADB(20),
+ &PMHAD(4),BHAD(4),BETP(4),IFITSD(20),IFITDD(20),CEFFS(10,8),
+ &CEFFD(10,9),SIGTMP(6,0:5)
+
+C...Common constants.
+ DATA EPS/0.0808D0/, ETA/-0.4525D0/, ALP/0.25D0/, CRES/2D0/,
+ &PMRC/1.062D0/, SMP/0.880D0/, FACEL/0.0511D0/, FACSD/0.0336D0/,
+ &FACDD/0.0084D0/
+
+C...Number of multiple processes to be evaluated (= 0 : undefined).
+ DATA NPROC/7*1,3*0,6*1,4*0,4*3,2*6,4*0/
+C...X and Y parameters of sigmatot = X * s**epsilon + Y * s**(-eta).
+ DATA XPAR/2*21.70D0,3*13.63D0,10.01D0,0.970D0,3*0D0,
+ &8.56D0,6.29D0,0.609D0,4.62D0,0.447D0,0.0434D0,4*0D0,
+ &0.0677D0,0.0534D0,0.0425D0,0.0335D0,2.11D-4,1.31D-4,4*0D0/
+ DATA YPAR/
+ &56.08D0,98.39D0,27.56D0,36.02D0,31.79D0,-1.51D0,-0.146D0,3*0D0,
+ &13.08D0,-0.62D0,-0.060D0,0.030D0,-0.0028D0,0.00028D0,4*0D0,
+ &0.129D0,0.115D0,0.081D0,0.072D0,2.15D-4,1.70D-4,4*0D0/
+
+C...Beam and target hadron class:
+C...= 1 : p/n ; = 2 : pi/rho/omega; = 3 : phi; = 4 : J/psi.
+ DATA IHADA/2*1,3*2,3,4,3*0,3*2,2*3,4,4*0/
+ DATA IHADB/7*1,3*0,2,3,4,3,2*4,4*0/
+C...Characteristic class masses, slope parameters, beta = sqrt(X).
+ DATA PMHAD/0.938D0,0.770D0,1.020D0,3.097D0/
+ DATA BHAD/2.3D0,1.4D0,1.4D0,0.23D0/
+ DATA BETP/4.658D0,2.926D0,2.149D0,0.208D0/
+
+C...Fitting constants used in parametrizations of diffractive results.
+ DATA IFITSD/2*1,3*2,3,4,3*0,5,6,7,8,9,10,4*0/
+ DATA IFITDD/2*1,3*2,3,4,3*0,5,6,7,8,9,10,4*0/
+ DATA ((CEFFS(J1,J2),J2=1,8),J1=1,10)/
+ &0.213D0, 0.0D0, -0.47D0, 150D0, 0.213D0, 0.0D0, -0.47D0, 150D0,
+ &0.213D0, 0.0D0, -0.47D0, 150D0, 0.267D0, 0.0D0, -0.47D0, 100D0,
+ &0.213D0, 0.0D0, -0.47D0, 150D0, 0.232D0, 0.0D0, -0.47D0, 110D0,
+ &0.213D0, 7.0D0, -0.55D0, 800D0, 0.115D0, 0.0D0, -0.47D0, 110D0,
+ &0.267D0, 0.0D0, -0.46D0, 75D0, 0.267D0, 0.0D0, -0.46D0, 75D0,
+ &0.232D0, 0.0D0, -0.46D0, 85D0, 0.267D0, 0.0D0, -0.48D0, 100D0,
+ &0.115D0, 0.0D0, -0.50D0, 90D0, 0.267D0, 6.0D0, -0.56D0, 420D0,
+ &0.232D0, 0.0D0, -0.48D0, 110D0, 0.232D0, 0.0D0, -0.48D0, 110D0,
+ &0.115D0, 0.0D0, -0.52D0, 120D0, 0.232D0, 6.0D0, -0.56D0, 470D0,
+ &0.115D0, 5.5D0, -0.58D0, 570D0, 0.115D0, 5.5D0, -0.58D0, 570D0/
+ DATA ((CEFFD(J1,J2),J2=1,9),J1=1,10)/
+ &3.11D0, -7.34D0, 9.71D0, 0.068D0, -0.42D0, 1.31D0,
+ &-1.37D0, 35.0D0, 118D0, 3.11D0, -7.10D0, 10.6D0,
+ &0.073D0, -0.41D0, 1.17D0, -1.41D0, 31.6D0, 95D0,
+ &3.12D0, -7.43D0, 9.21D0, 0.067D0, -0.44D0, 1.41D0,
+ &-1.35D0, 36.5D0, 132D0, 3.13D0, -8.18D0, -4.20D0,
+ &0.056D0, -0.71D0, 3.12D0, -1.12D0, 55.2D0, 1298D0,
+ &3.11D0, -6.90D0, 11.4D0, 0.078D0, -0.40D0, 1.05D0,
+ &-1.40D0, 28.4D0, 78D0, 3.11D0, -7.13D0, 10.0D0,
+ &0.071D0, -0.41D0, 1.23D0, -1.34D0, 33.1D0, 105D0,
+ &3.12D0, -7.90D0, -1.49D0, 0.054D0, -0.64D0, 2.72D0,
+ &-1.13D0, 53.1D0, 995D0, 3.11D0, -7.39D0, 8.22D0,
+ &0.065D0, -0.44D0, 1.45D0, -1.36D0, 38.1D0, 148D0,
+ &3.18D0, -8.95D0, -3.37D0, 0.057D0, -0.76D0, 3.32D0,
+ &-1.12D0, 55.6D0, 1472D0, 4.18D0, -29.2D0, 56.2D0,
+ &0.074D0, -1.36D0, 6.67D0, -1.14D0, 116.2D0, 6532D0/
+
+C...Parameters. Combinations of the energy.
+ AEM=PARU(101)
+ PMTH=PARP(102)
+ S=VINT(2)
+ SRT=VINT(1)
+ SEPS=S**EPS
+ SETA=S**ETA
+ SLOG=LOG(S)
+
+C...Ratio of gamma/pi (for rescaling in parton distributions).
+ VINT(281)=(XPAR(22)*SEPS+YPAR(22)*SETA)/
+ &(XPAR(5)*SEPS+YPAR(5)*SETA)
+ VINT(317)=1D0
+ IF(MINT(50).NE.1) RETURN
+
+C...Order flavours of incoming particles: KF1 < KF2.
+ IF(IABS(MINT(11)).LE.IABS(MINT(12))) THEN
+ KF1=IABS(MINT(11))
+ KF2=IABS(MINT(12))
+ IORD=1
+ ELSE
+ KF1=IABS(MINT(12))
+ KF2=IABS(MINT(11))
+ IORD=2
+ ENDIF
+ ISGN12=ISIGN(1,MINT(11)*MINT(12))
+
+C...Find process number (for lookup tables).
+ IF(KF1.GT.1000) THEN
+ IPROC=1
+ IF(ISGN12.LT.0) IPROC=2
+ ELSEIF(KF1.GT.100.AND.KF2.GT.1000) THEN
+ IPROC=3
+ IF(ISGN12.LT.0) IPROC=4
+ IF(KF1.EQ.111) IPROC=5
+ ELSEIF(KF1.GT.100) THEN
+ IPROC=11
+ ELSEIF(KF2.GT.1000) THEN
+ IPROC=21
+ IF(MINT(123).EQ.2.OR.MINT(123).EQ.3) IPROC=22
+ ELSEIF(KF2.GT.100) THEN
+ IPROC=23
+ IF(MINT(123).EQ.2.OR.MINT(123).EQ.3) IPROC=24
+ ELSE
+ IPROC=25
+ IF(MINT(123).EQ.2.OR.MINT(123).EQ.3.OR.MINT(123).EQ.7) IPROC=26
+ ENDIF
+
+C... Number of multiple processes to be stored; beam/target side.
+ NPR=NPROC(IPROC)
+ MINT(101)=1
+ MINT(102)=1
+ IF(NPR.EQ.3) THEN
+ MINT(100+IORD)=4
+ ELSEIF(NPR.EQ.6) THEN
+ MINT(101)=4
+ MINT(102)=4
+ ENDIF
+ N1=0
+ IF(MINT(101).EQ.4) N1=4
+ N2=0
+ IF(MINT(102).EQ.4) N2=4
+
+C...Do not do any more for user-set or undefined cross-sections.
+ IF(MSTP(31).LE.0) RETURN
+ IF(NPR.EQ.0) CALL PYERRM(26,
+ &'(PYXTOT:) cross section for this process not yet implemented')
+
+C...Parameters. Combinations of the energy.
+ AEM=PARU(101)
+ PMTH=PARP(102)
+ S=VINT(2)
+ SRT=VINT(1)
+ SEPS=S**EPS
+ SETA=S**ETA
+ SLOG=LOG(S)
+
+C...Loop over multiple processes (for VDM).
+ DO 110 I=1,NPR
+ IF(NPR.EQ.1) THEN
+ IPR=IPROC
+ ELSEIF(NPR.EQ.3) THEN
+ IPR=I+4
+ IF(KF2.LT.1000) IPR=I+10
+ ELSEIF(NPR.EQ.6) THEN
+ IPR=I+10
+ ENDIF
+
+C...Evaluate hadron species, mass, slope contribution and fit number.
+ IHA=IHADA(IPR)
+ IHB=IHADB(IPR)
+ PMA=PMHAD(IHA)
+ PMB=PMHAD(IHB)
+ BHA=BHAD(IHA)
+ BHB=BHAD(IHB)
+ ISD=IFITSD(IPR)
+ IDD=IFITDD(IPR)
+
+C...Skip if energy too low relative to masses.
+ DO 100 J=0,5
+ SIGTMP(I,J)=0D0
+ 100 CONTINUE
+ IF(SRT.LT.PMA+PMB+PARP(104)) GOTO 110
+
+C...Total cross-section. Elastic slope parameter and cross-section.
+ SIGTMP(I,0)=XPAR(IPR)*SEPS+YPAR(IPR)*SETA
+ BEL=2D0*BHA+2D0*BHB+4D0*SEPS-4.2D0
+ SIGTMP(I,1)=FACEL*SIGTMP(I,0)**2/BEL
+
+C...Diffractive scattering A + B -> X + B.
+ BSD=2D0*BHB
+ SQML=(PMA+PMTH)**2
+ SQMU=S*CEFFS(ISD,1)+CEFFS(ISD,2)
+ SUM1=LOG((BSD+2D0*ALP*LOG(S/SQML))/
+ & (BSD+2D0*ALP*LOG(S/SQMU)))/(2D0*ALP)
+ BXB=CEFFS(ISD,3)+CEFFS(ISD,4)/S
+ SUM2=CRES*LOG(1D0+((PMA+PMRC)/(PMA+PMTH))**2)/
+ & (BSD+2D0*ALP*LOG(S/((PMA+PMTH)*(PMA+PMRC)))+BXB)
+ SIGTMP(I,2)=FACSD*XPAR(IPR)*BETP(IHB)*MAX(0D0,SUM1+SUM2)
+
+C...Diffractive scattering A + B -> A + X.
+ BSD=2D0*BHA
+ SQML=(PMB+PMTH)**2
+ SQMU=S*CEFFS(ISD,5)+CEFFS(ISD,6)
+ SUM1=LOG((BSD+2D0*ALP*LOG(S/SQML))/
+ & (BSD+2D0*ALP*LOG(S/SQMU)))/(2D0*ALP)
+ BAX=CEFFS(ISD,7)+CEFFS(ISD,8)/S
+ SUM2=CRES*LOG(1D0+((PMB+PMRC)/(PMB+PMTH))**2)/
+ & (BSD+2D0*ALP*LOG(S/((PMB+PMTH)*(PMB+PMRC)))+BAX)
+ SIGTMP(I,3)=FACSD*XPAR(IPR)*BETP(IHA)*MAX(0D0,SUM1+SUM2)
+
+C...Order single diffractive correctly.
+ IF(IORD.EQ.2) THEN
+ SIGSAV=SIGTMP(I,2)
+ SIGTMP(I,2)=SIGTMP(I,3)
+ SIGTMP(I,3)=SIGSAV
+ ENDIF
+
+C...Double diffractive scattering A + B -> X1 + X2.
+ YEFF=LOG(S*SMP/((PMA+PMTH)*(PMB+PMTH))**2)
+ DEFF=CEFFD(IDD,1)+CEFFD(IDD,2)/SLOG+CEFFD(IDD,3)/SLOG**2
+ SUM1=DEFF+YEFF*(LOG(MAX(1D-10,YEFF/DEFF))-1D0)/(2D0*ALP)
+ IF(YEFF.LE.0) SUM1=0D0
+ SQMU=S*(CEFFD(IDD,4)+CEFFD(IDD,5)/SLOG+CEFFD(IDD,6)/SLOG**2)
+ SLUP=LOG(MAX(1.1D0,S/(ALP*(PMA+PMTH)**2*(PMB+PMTH)*(PMB+PMRC))))
+ SLDN=LOG(MAX(1.1D0,S/(ALP*SQMU*(PMB+PMTH)*(PMB+PMRC))))
+ SUM2=CRES*LOG(1D0+((PMB+PMRC)/(PMB+PMTH))**2)*LOG(SLUP/SLDN)/
+ & (2D0*ALP)
+ SLUP=LOG(MAX(1.1D0,S/(ALP*(PMB+PMTH)**2*(PMA+PMTH)*(PMA+PMRC))))
+ SLDN=LOG(MAX(1.1D0,S/(ALP*SQMU*(PMA+PMTH)*(PMA+PMRC))))
+ SUM3=CRES*LOG(1D0+((PMA+PMRC)/(PMA+PMTH))**2)*LOG(SLUP/SLDN)/
+ & (2D0*ALP)
+ BXX=CEFFD(IDD,7)+CEFFD(IDD,8)/SRT+CEFFD(IDD,9)/S
+ SLRR=LOG(S/(ALP*(PMA+PMTH)*(PMA+PMRC)*(PMB+PMTH)*(PMB*PMRC)))
+ SUM4=CRES**2*LOG(1D0+((PMA+PMRC)/(PMA+PMTH))**2)*
+ & LOG(1D0+((PMB+PMRC)/(PMB+PMTH))**2)/MAX(0.1D0,2D0*ALP*SLRR+BXX)
+ SIGTMP(I,4)=FACDD*XPAR(IPR)*MAX(0D0,SUM1+SUM2+SUM3+SUM4)
+
+C...Non-diffractive by unitarity.
+ SIGTMP(I,5)=SIGTMP(I,0)-SIGTMP(I,1)-SIGTMP(I,2)-SIGTMP(I,3)-
+ & SIGTMP(I,4)
+ 110 CONTINUE
+
+C...Put temporary results in output array: only one process.
+ IF(MINT(101).EQ.1.AND.MINT(102).EQ.1) THEN
+ DO 120 J=0,5
+ SIGT(0,0,J)=SIGTMP(1,J)
+ 120 CONTINUE
+
+C...Beam multiple processes.
+ ELSEIF(MINT(101).EQ.4.AND.MINT(102).EQ.1) THEN
+ IF(MINT(107).EQ.2) THEN
+ VINT(317)=(PMHAD(2)**2/(PMHAD(2)**2+VINT(307)))**2
+ ELSE
+ VINT(317)=16D0*PARP(15)**2*VINT(154)**2/
+ & ((4D0*PARP(15)**2+VINT(307))*(4D0*VINT(154)**2+VINT(307)))
+ ENDIF
+ IF(MSTP(20).GT.0) THEN
+ VINT(317)=VINT(317)*(VINT(2)/(VINT(2)+VINT(307)))**MSTP(20)
+ ENDIF
+ DO 140 I=1,4
+ IF(MINT(107).EQ.2) THEN
+ CONV=(AEM/PARP(160+I))*VINT(317)
+ ELSEIF(VINT(154).GT.PARP(15)) THEN
+ CONV=(AEM/PARU(1))*(KCHG(I,1)/3D0)**2*PARP(18)**2*
+ & (1D0/PARP(15)**2-1D0/VINT(154)**2)*VINT(317)
+ ELSE
+ CONV=0D0
+ ENDIF
+ I1=MAX(1,I-1)
+ DO 130 J=0,5
+ SIGT(I,0,J)=CONV*SIGTMP(I1,J)
+ 130 CONTINUE
+ 140 CONTINUE
+ DO 150 J=0,5
+ SIGT(0,0,J)=SIGT(1,0,J)+SIGT(2,0,J)+SIGT(3,0,J)+SIGT(4,0,J)
+ 150 CONTINUE
+
+C...Target multiple processes.
+ ELSEIF(MINT(101).EQ.1.AND.MINT(102).EQ.4) THEN
+ IF(MINT(108).EQ.2) THEN
+ VINT(317)=(PMHAD(2)**2/(PMHAD(2)**2+VINT(308)))**2
+ ELSE
+ VINT(317)=16D0*PARP(15)**2*VINT(154)**2/
+ & ((4D0*PARP(15)**2+VINT(308))*(4D0*VINT(154)**2+VINT(308)))
+ ENDIF
+ IF(MSTP(20).GT.0) THEN
+ VINT(317)=VINT(317)*(VINT(2)/(VINT(2)+VINT(308)))**MSTP(20)
+ ENDIF
+ DO 170 I=1,4
+ IF(MINT(108).EQ.2) THEN
+ CONV=(AEM/PARP(160+I))*VINT(317)
+ ELSEIF(VINT(154).GT.PARP(15)) THEN
+ CONV=(AEM/PARU(1))*(KCHG(I,1)/3D0)**2*PARP(18)**2*
+ & (1D0/PARP(15)**2-1D0/VINT(154)**2)*VINT(317)
+ ELSE
+ CONV=0D0
+ ENDIF
+ IV=MAX(1,I-1)
+ DO 160 J=0,5
+ SIGT(0,I,J)=CONV*SIGTMP(IV,J)
+ 160 CONTINUE
+ 170 CONTINUE
+ DO 180 J=0,5
+ SIGT(0,0,J)=SIGT(0,1,J)+SIGT(0,2,J)+SIGT(0,3,J)+SIGT(0,4,J)
+ 180 CONTINUE
+
+C...Both beam and target multiple processes.
+ ELSE
+ IF(MINT(107).EQ.2) THEN
+ VINT(317)=(PMHAD(2)**2/(PMHAD(2)**2+VINT(307)))**2
+ ELSE
+ VINT(317)=16D0*PARP(15)**2*VINT(154)**2/
+ & ((4D0*PARP(15)**2+VINT(307))*(4D0*VINT(154)**2+VINT(307)))
+ ENDIF
+ IF(MINT(108).EQ.2) THEN
+ VINT(317)=VINT(317)*(PMHAD(2)**2/(PMHAD(2)**2+VINT(308)))**2
+ ELSE
+ VINT(317)=VINT(317)*16D0*PARP(15)**2*VINT(154)**2/
+ & ((4D0*PARP(15)**2+VINT(308))*(4D0*VINT(154)**2+VINT(308)))
+ ENDIF
+ IF(MSTP(20).GT.0) THEN
+ VINT(317)=VINT(317)*(VINT(2)/(VINT(2)+VINT(307)+
+ & VINT(308)))**MSTP(20)
+ ENDIF
+ DO 210 I1=1,4
+ DO 200 I2=1,4
+ IF(MINT(107).EQ.2) THEN
+ CONV=(AEM/PARP(160+I1))*VINT(317)
+ ELSEIF(VINT(154).GT.PARP(15)) THEN
+ CONV=(AEM/PARU(1))*(KCHG(I1,1)/3D0)**2*PARP(18)**2*
+ & (1D0/PARP(15)**2-1D0/VINT(154)**2)*VINT(317)
+ ELSE
+ CONV=0D0
+ ENDIF
+ IF(MINT(108).EQ.2) THEN
+ CONV=CONV*(AEM/PARP(160+I2))
+ ELSEIF(VINT(154).GT.PARP(15)) THEN
+ CONV=CONV*(AEM/PARU(1))*(KCHG(I2,1)/3D0)**2*PARP(18)**2*
+ & (1D0/PARP(15)**2-1D0/VINT(154)**2)
+ ELSE
+ CONV=0D0
+ ENDIF
+ IF(I1.LE.2) THEN
+ IV=MAX(1,I2-1)
+ ELSEIF(I2.LE.2) THEN
+ IV=MAX(1,I1-1)
+ ELSEIF(I1.EQ.I2) THEN
+ IV=2*I1-2
+ ELSE
+ IV=5
+ ENDIF
+ DO 190 J=0,5
+ JV=J
+ IF(I2.GT.I1.AND.(J.EQ.2.OR.J.EQ.3)) JV=5-J
+ SIGT(I1,I2,J)=CONV*SIGTMP(IV,JV)
+ 190 CONTINUE
+ 200 CONTINUE
+ 210 CONTINUE
+ DO 230 J=0,5
+ DO 220 I=1,4
+ SIGT(I,0,J)=SIGT(I,1,J)+SIGT(I,2,J)+SIGT(I,3,J)+SIGT(I,4,J)
+ SIGT(0,I,J)=SIGT(1,I,J)+SIGT(2,I,J)+SIGT(3,I,J)+SIGT(4,I,J)
+ 220 CONTINUE
+ SIGT(0,0,J)=SIGT(1,0,J)+SIGT(2,0,J)+SIGT(3,0,J)+SIGT(4,0,J)
+ 230 CONTINUE
+ ENDIF
+
+C...Scale up uniformly for Donnachie-Landshoff parametrization.
+ IF(IPROC.EQ.21.OR.IPROC.EQ.23.OR.IPROC.EQ.25) THEN
+ RFAC=(XPAR(IPROC)*SEPS+YPAR(IPROC)*SETA)/SIGT(0,0,0)
+ DO 260 I1=0,N1
+ DO 250 I2=0,N2
+ DO 240 J=0,5
+ SIGT(I1,I2,J)=RFAC*SIGT(I1,I2,J)
+ 240 CONTINUE
+ 250 CONTINUE
+ 260 CONTINUE
+ ENDIF
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYMAXI
+C...Finds optimal set of coefficients for kinematical variable selection
+C...and the maximum of the part of the differential cross-section used
+C...in the event weighting.
+
+ SUBROUTINE PYMAXI
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Parameter statement to help give large particle numbers.
+ PARAMETER (KSUSY1=1000000,KSUSY2=2000000,KEXCIT=4000000)
+C...Commonblocks.
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYDAT3/MDCY(500,3),MDME(4000,2),BRAT(4000),KFDP(4000,5)
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT2/ISET(500),KFPR(500,2),COEF(500,20),ICOL(40,4,2)
+ COMMON/PYINT3/XSFX(2,-40:40),ISIG(1000,3),SIGH(1000)
+ COMMON/PYINT4/MWID(500),WIDS(500,5)
+ COMMON/PYINT5/NGENPD,NGEN(0:500,3),XSEC(0:500,3)
+ COMMON/PYINT6/PROC(0:500)
+ CHARACTER PROC*28
+ COMMON/PYINT7/SIGT(0:6,0:6,0:5)
+ SAVE /PYDAT1/,/PYDAT2/,/PYDAT3/,/PYSUBS/,/PYPARS/,/PYINT1/,
+ &/PYINT2/,/PYINT3/,/PYINT4/,/PYINT5/,/PYINT6/,/PYINT7/
+C...Local arrays, character variables and data.
+ CHARACTER CVAR(4)*4
+ DIMENSION NPTS(4),MVARPT(500,4),VINTPT(500,30),SIGSPT(500),
+ &NAREL(7),WTREL(7),WTMAT(7,7),WTRELN(7),COEFU(7),COEFO(7),
+ &IACCMX(4),SIGSMX(4),SIGSSM(3),PMMN(2)
+ DATA CVAR/'tau ','tau''','y* ','cth '/
+ DATA SIGSSM/3*0D0/
+
+C...Initial values and loop over subprocesses.
+ NPOSI=0
+ VINT(143)=1D0
+ VINT(144)=1D0
+ XSEC(0,1)=0D0
+ DO 460 ISUB=1,500
+ MINT(1)=ISUB
+ MINT(51)=0
+
+C...Find maximum weight factors for photon flux.
+ IF(MSUB(ISUB).EQ.1.OR.(ISUB.GE.91.AND.ISUB.LE.100)) THEN
+ IF(MINT(141).NE.0.OR.MINT(142).NE.0) CALL PYGAGA(2,WTGAGA)
+ ENDIF
+
+C...Select subprocess to study: skip cases not applicable.
+ IF(ISET(ISUB).EQ.11) THEN
+ IF(MSUB(ISUB).NE.1) GOTO 460
+ XSEC(ISUB,1)=1.00001D0*COEF(ISUB,1)
+ IF(MINT(141).NE.0.OR.MINT(142).NE.0) XSEC(ISUB,1)=
+ & WTGAGA*XSEC(ISUB,1)
+ NPOSI=NPOSI+1
+ GOTO 450
+ ELSEIF(ISUB.GE.91.AND.ISUB.LE.95) THEN
+ CALL PYSIGH(NCHN,SIGS)
+ XSEC(ISUB,1)=SIGS
+ IF(MINT(141).NE.0.OR.MINT(142).NE.0) XSEC(ISUB,1)=
+ & WTGAGA*XSEC(ISUB,1)
+ IF(MSUB(ISUB).NE.1) GOTO 460
+ NPOSI=NPOSI+1
+ GOTO 450
+ ELSEIF(ISUB.EQ.99.AND.MSUB(ISUB).EQ.1) THEN
+ CALL PYSIGH(NCHN,SIGS)
+ XSEC(ISUB,1)=SIGS
+ IF(MINT(141).NE.0.OR.MINT(142).NE.0) XSEC(ISUB,1)=
+ & WTGAGA*XSEC(ISUB,1)
+ IF(XSEC(ISUB,1).EQ.0D0) THEN
+ MSUB(ISUB)=0
+ ELSE
+ NPOSI=NPOSI+1
+ ENDIF
+ GOTO 450
+ ELSEIF(ISUB.EQ.96) THEN
+ IF(MINT(50).EQ.0) GOTO 460
+ IF(MSUB(95).NE.1.AND.MSTP(81).LE.0.AND.MSTP(131).LE.0)
+ & GOTO 460
+ IF(MINT(49).EQ.0.AND.MSTP(131).EQ.0) GOTO 460
+ ELSEIF(ISUB.EQ.11.OR.ISUB.EQ.12.OR.ISUB.EQ.13.OR.ISUB.EQ.28.OR.
+ & ISUB.EQ.53.OR.ISUB.EQ.68) THEN
+ IF(MSUB(ISUB).NE.1.OR.MSUB(95).EQ.1) GOTO 460
+ ELSE
+ IF(MSUB(ISUB).NE.1) GOTO 460
+ ENDIF
+ ISTSB=ISET(ISUB)
+ IF(ISUB.EQ.96) ISTSB=2
+ IF(MSTP(122).GE.2) WRITE(MSTU(11),5000) ISUB
+ MWTXS=0
+ IF(MSTP(142).GE.1.AND.ISUB.NE.96.AND.MSUB(91)+MSUB(92)+MSUB(93)+
+ & MSUB(94)+MSUB(95).EQ.0) MWTXS=1
+
+C...Find resonances (explicit or implicit in cross-section).
+ MINT(72)=0
+ KFR1=0
+ IF(ISTSB.EQ.1.OR.ISTSB.EQ.3.OR.ISTSB.EQ.5) THEN
+ KFR1=KFPR(ISUB,1)
+ ELSEIF(ISUB.EQ.24.OR.ISUB.EQ.25.OR.ISUB.EQ.110.OR.ISUB.EQ.165
+ & .OR.ISUB.EQ.171.OR.ISUB.EQ.176) THEN
+ KFR1=23
+ ELSEIF(ISUB.EQ.23.OR.ISUB.EQ.26.OR.ISUB.EQ.166.OR.ISUB.EQ.172
+ & .OR.ISUB.EQ.177) THEN
+ KFR1=24
+ ELSEIF(ISUB.GE.71.AND.ISUB.LE.77) THEN
+ KFR1=25
+ IF(MSTP(46).EQ.5) THEN
+ KFR1=30
+ PMAS(30,1)=PARP(45)
+ PMAS(30,2)=PARP(45)**3/(96D0*PARU(1)*PARP(47)**2)
+ ENDIF
+ ELSEIF(ISUB.EQ.194) THEN
+ KFR1=54
+ ELSEIF(ISUB.EQ.195) THEN
+ KFR1=55
+ ELSEIF(ISUB.GE.361.AND.ISUB.LE.368) THEN
+ KFR1=54
+ ELSEIF(ISUB.GE.370.AND.ISUB.LE.377) THEN
+ KFR1=55
+ ENDIF
+ CKMX=CKIN(2)
+ IF(CKMX.LE.0D0) CKMX=VINT(1)
+ KCR1=PYCOMP(KFR1)
+ IF(KFR1.NE.0) THEN
+ IF(CKIN(1).GT.PMAS(KCR1,1)+20D0*PMAS(KCR1,2).OR.
+ & CKMX.LT.PMAS(KCR1,1)-20D0*PMAS(KCR1,2)) KFR1=0
+ ENDIF
+ IF(KFR1.NE.0) THEN
+ TAUR1=PMAS(KCR1,1)**2/VINT(2)
+ IF(KFR1.EQ.54) THEN
+ CALL PYTECM(S1,S2)
+ TAUR1=S1/VINT(2)
+ ENDIF
+ GAMR1=PMAS(KCR1,1)*PMAS(KCR1,2)/VINT(2)
+ MINT(72)=1
+ MINT(73)=KFR1
+ VINT(73)=TAUR1
+ VINT(74)=GAMR1
+ ENDIF
+ KFR2=0
+ IF(ISUB.EQ.141.OR.ISUB.EQ.194.OR.(ISUB.GE.364.AND.ISUB.LE.368))
+ $ THEN
+ KFR2=23
+ IF(ISUB.EQ.194) THEN
+ KFR2=56
+ ELSEIF(ISUB.GE.364.AND.ISUB.LE.368) THEN
+ KFR2=56
+ ENDIF
+ KCR2=PYCOMP(KFR2)
+ TAUR2=PMAS(KCR2,1)**2/VINT(2)
+ IF(KFR2.EQ.56) THEN
+ CALL PYTECM(S1,S2)
+ TAUR2=S2/VINT(2)
+ ENDIF
+ GAMR2=PMAS(KCR2,1)*PMAS(KCR2,2)/VINT(2)
+ IF(CKIN(1).GT.PMAS(KCR2,1)+20D0*PMAS(KCR2,2).OR.
+ & CKMX.LT.PMAS(KCR2,1)-20D0*PMAS(KCR2,2)) KFR2=0
+ IF(KFR2.NE.0.AND.KFR1.NE.0) THEN
+ MINT(72)=2
+ MINT(74)=KFR2
+ VINT(75)=TAUR2
+ VINT(76)=GAMR2
+ ELSEIF(KFR2.NE.0) THEN
+ KFR1=KFR2
+ TAUR1=TAUR2
+ GAMR1=GAMR2
+ MINT(72)=1
+ MINT(73)=KFR1
+ VINT(73)=TAUR1
+ VINT(74)=GAMR1
+ KFR2=0
+ ENDIF
+ ENDIF
+
+C...Find product masses and minimum pT of process.
+ SQM3=0D0
+ SQM4=0D0
+ MINT(71)=0
+ VINT(71)=CKIN(3)
+ VINT(80)=1D0
+ IF(ISTSB.EQ.2.OR.ISTSB.EQ.4) THEN
+ NBW=0
+ DO 110 I=1,2
+ PMMN(I)=0D0
+ IF(KFPR(ISUB,I).EQ.0) THEN
+ ELSEIF(MSTP(42).LE.0.OR.PMAS(PYCOMP(KFPR(ISUB,I)),2).LT.
+ & PARP(41)) THEN
+ IF(I.EQ.1) SQM3=PMAS(PYCOMP(KFPR(ISUB,I)),1)**2
+ IF(I.EQ.2) SQM4=PMAS(PYCOMP(KFPR(ISUB,I)),1)**2
+ ELSE
+ NBW=NBW+1
+C...This prevents SUSY/t particles from becoming too light.
+ KFLW=KFPR(ISUB,I)
+ IF(KFLW/KSUSY1.EQ.1.OR.KFLW/KSUSY1.EQ.2) THEN
+ KCW=PYCOMP(KFLW)
+ PMMN(I)=PMAS(KCW,1)
+ DO 100 IDC=MDCY(KCW,2),MDCY(KCW,2)+MDCY(KCW,3)-1
+ IF(MDME(IDC,1).GT.0.AND.BRAT(IDC).GT.1E-4) THEN
+ PMSUM=PMAS(PYCOMP(KFDP(IDC,1)),1)+
+ & PMAS(PYCOMP(KFDP(IDC,2)),1)
+ IF(KFDP(IDC,3).NE.0) PMSUM=PMSUM+
+ & PMAS(PYCOMP(KFDP(IDC,3)),1)
+ PMMN(I)=MIN(PMMN(I),PMSUM)
+ ENDIF
+ 100 CONTINUE
+ ELSEIF(KFLW.EQ.6) THEN
+ PMMN(I)=PMAS(24,1)+PMAS(5,1)
+ ENDIF
+ ENDIF
+ 110 CONTINUE
+ IF(NBW.GE.1) THEN
+ CKIN41=CKIN(41)
+ CKIN43=CKIN(43)
+ CKIN(41)=MAX(PMMN(1),CKIN(41))
+ CKIN(43)=MAX(PMMN(2),CKIN(43))
+ CALL PYOFSH(3,0,KFPR(ISUB,1),KFPR(ISUB,2),0D0,PQM3,PQM4)
+ CKIN(41)=CKIN41
+ CKIN(43)=CKIN43
+ IF(MINT(51).EQ.1) THEN
+ WRITE(MSTU(11),5100) ISUB
+ MSUB(ISUB)=0
+ GOTO 460
+ ENDIF
+ SQM3=PQM3**2
+ SQM4=PQM4**2
+ ENDIF
+ IF(MIN(SQM3,SQM4).LT.CKIN(6)**2) MINT(71)=1
+ IF(MINT(71).EQ.1) VINT(71)=MAX(CKIN(3),CKIN(5))
+ IF(ISUB.EQ.96.AND.MSTP(82).LE.1) THEN
+ VINT(71)=PARP(81)*(VINT(1)/PARP(89))**PARP(90)
+ ELSEIF(ISUB.EQ.96) THEN
+ VINT(71)=0.08D0*PARP(82)*(VINT(1)/PARP(89))**PARP(90)
+ ENDIF
+ ENDIF
+ VINT(63)=SQM3
+ VINT(64)=SQM4
+
+C...Prepare for additional variable choices in 2 -> 3.
+ IF(ISTSB.EQ.5) THEN
+ VINT(201)=0D0
+ IF(KFPR(ISUB,2).GT.0) VINT(201)=PMAS(PYCOMP(KFPR(ISUB,2)),1)
+ VINT(206)=VINT(201)
+ VINT(204)=PMAS(23,1)
+ IF(ISUB.EQ.124.OR.ISUB.EQ.351) VINT(204)=PMAS(24,1)
+ IF(ISUB.EQ.352) VINT(204)=PMAS(63,1)
+ IF(ISUB.EQ.121.OR.ISUB.EQ.122.OR.ISUB.EQ.181.OR.ISUB.EQ.182
+ & .OR.ISUB.EQ.186.OR.ISUB.EQ.187) VINT(204)=VINT(201)
+ VINT(209)=VINT(204)
+ ENDIF
+
+C...Number of points for each variable: tau, tau', y*, cos(theta-hat).
+ NPTS(1)=2+2*MINT(72)
+ IF(MINT(47).EQ.1) THEN
+ IF(ISTSB.EQ.1.OR.ISTSB.EQ.2) NPTS(1)=1
+ ELSEIF(MINT(47).GE.5) THEN
+ IF(ISTSB.LE.2.OR.ISTSB.GT.5) NPTS(1)=NPTS(1)+1
+ ENDIF
+ NPTS(2)=1
+ IF(ISTSB.GE.3.AND.ISTSB.LE.5) THEN
+ IF(MINT(47).GE.2) NPTS(2)=2
+ IF(MINT(47).GE.5) NPTS(2)=3
+ ENDIF
+ NPTS(3)=1
+ IF(MINT(47).EQ.4.OR.MINT(47).EQ.5) THEN
+ NPTS(3)=3
+ IF(MINT(45).EQ.3) NPTS(3)=NPTS(3)+1
+ IF(MINT(46).EQ.3) NPTS(3)=NPTS(3)+1
+ ENDIF
+ NPTS(4)=1
+ IF(ISTSB.EQ.2.OR.ISTSB.EQ.4) NPTS(4)=5
+ NTRY=NPTS(1)*NPTS(2)*NPTS(3)*NPTS(4)
+
+C...Reset coefficients of cross-section weighting.
+ DO 120 J=1,20
+ COEF(ISUB,J)=0D0
+ 120 CONTINUE
+ COEF(ISUB,1)=1D0
+ COEF(ISUB,8)=0.5D0
+ COEF(ISUB,9)=0.5D0
+ COEF(ISUB,13)=1D0
+ COEF(ISUB,18)=1D0
+ MCTH=0
+ MTAUP=0
+ METAUP=0
+ VINT(23)=0D0
+ VINT(26)=0D0
+ SIGSAM=0D0
+
+C...Find limits and select tau, y*, cos(theta-hat) and tau' values,
+C...in grid of phase space points.
+ CALL PYKLIM(1)
+ METAU=MINT(51)
+ NACC=0
+ DO 150 ITRY=1,NTRY
+ MINT(51)=0
+ IF(METAU.EQ.1) GOTO 150
+ IF(MOD(ITRY-1,NPTS(2)*NPTS(3)*NPTS(4)).EQ.0) THEN
+ MTAU=1+(ITRY-1)/(NPTS(2)*NPTS(3)*NPTS(4))
+ IF(MTAU.GT.2+2*MINT(72)) MTAU=7
+ RTAU=0.5D0
+C...Special case when both resonances have same mass,
+C...as is often the case in process 194.
+ IF(MINT(72).EQ.2) THEN
+ IF(ABS(PMAS(KCR2,1)-PMAS(KCR1,1)).LT.
+ & 0.01D0*(PMAS(KCR2,1)+PMAS(KCR1,1))) THEN
+ IF(MTAU.EQ.3.OR.MTAU.EQ.4) THEN
+ RTAU=0.4D0
+ ELSEIF(MTAU.EQ.5.OR.MTAU.EQ.6) THEN
+ RTAU=0.6D0
+ ENDIF
+ ENDIF
+ ENDIF
+ CALL PYKMAP(1,MTAU,RTAU)
+ IF(ISTSB.GE.3.AND.ISTSB.LE.5) CALL PYKLIM(4)
+ METAUP=MINT(51)
+ ENDIF
+ IF(METAUP.EQ.1) GOTO 150
+ IF(ISTSB.GE.3.AND.ISTSB.LE.5.AND.MOD(ITRY-1,NPTS(3)*NPTS(4))
+ & .EQ.0) THEN
+ MTAUP=1+MOD((ITRY-1)/(NPTS(3)*NPTS(4)),NPTS(2))
+ CALL PYKMAP(4,MTAUP,0.5D0)
+ ENDIF
+ IF(MOD(ITRY-1,NPTS(3)*NPTS(4)).EQ.0) THEN
+ CALL PYKLIM(2)
+ MEYST=MINT(51)
+ ENDIF
+ IF(MEYST.EQ.1) GOTO 150
+ IF(MOD(ITRY-1,NPTS(4)).EQ.0) THEN
+ MYST=1+MOD((ITRY-1)/NPTS(4),NPTS(3))
+ IF(MYST.EQ.4.AND.MINT(45).NE.3) MYST=5
+ CALL PYKMAP(2,MYST,0.5D0)
+ CALL PYKLIM(3)
+ MECTH=MINT(51)
+ ENDIF
+ IF(MECTH.EQ.1) GOTO 150
+ IF(ISTSB.EQ.2.OR.ISTSB.EQ.4) THEN
+ MCTH=1+MOD(ITRY-1,NPTS(4))
+ CALL PYKMAP(3,MCTH,0.5D0)
+ ENDIF
+ IF(ISUB.EQ.96) VINT(25)=VINT(21)*(1D0-VINT(23)**2)
+
+C...Store position and limits.
+ MINT(51)=0
+ CALL PYKLIM(0)
+ IF(MINT(51).EQ.1) GOTO 150
+ NACC=NACC+1
+ MVARPT(NACC,1)=MTAU
+ MVARPT(NACC,2)=MTAUP
+ MVARPT(NACC,3)=MYST
+ MVARPT(NACC,4)=MCTH
+ DO 130 J=1,30
+ VINTPT(NACC,J)=VINT(10+J)
+ 130 CONTINUE
+
+C...Normal case: calculate cross-section.
+ IF(ISTSB.NE.5) THEN
+ CALL PYSIGH(NCHN,SIGS)
+ IF(MWTXS.EQ.1) THEN
+ CALL PYEVWT(WTXS)
+ SIGS=WTXS*SIGS
+ ENDIF
+
+C..2 -> 3: find highest value out of a number of tries.
+ ELSE
+ SIGS=0D0
+ DO 140 IKIN3=1,MSTP(129)
+ CALL PYKMAP(5,0,0D0)
+ IF(MINT(51).EQ.1) GOTO 140
+ CALL PYSIGH(NCHN,SIGTMP)
+ IF(MWTXS.EQ.1) THEN
+ CALL PYEVWT(WTXS)
+ SIGTMP=WTXS*SIGTMP
+ ENDIF
+ IF(SIGTMP.GT.SIGS) SIGS=SIGTMP
+ 140 CONTINUE
+ ENDIF
+
+C...Store cross-section.
+ SIGSPT(NACC)=SIGS
+ IF(SIGS.GT.SIGSAM) SIGSAM=SIGS
+ IF(MSTP(122).GE.2) WRITE(MSTU(11),5200) MTAU,MYST,MCTH,MTAUP,
+ & VINT(21),VINT(22),VINT(23),VINT(26),SIGS
+ 150 CONTINUE
+ IF(NACC.EQ.0) THEN
+ WRITE(MSTU(11),5100) ISUB
+ MSUB(ISUB)=0
+ GOTO 460
+ ELSEIF(SIGSAM.EQ.0D0) THEN
+ WRITE(MSTU(11),5300) ISUB
+ MSUB(ISUB)=0
+ GOTO 460
+ ENDIF
+ IF(ISUB.NE.96) NPOSI=NPOSI+1
+
+C...Calculate integrals in tau over maximal phase space limits.
+ TAUMIN=VINT(11)
+ TAUMAX=VINT(31)
+ ATAU1=LOG(TAUMAX/TAUMIN)
+ IF(NPTS(1).GE.2) THEN
+ ATAU2=(TAUMAX-TAUMIN)/(TAUMAX*TAUMIN)
+ ENDIF
+ IF(NPTS(1).GE.4) THEN
+ ATAU3=LOG(TAUMAX/TAUMIN*(TAUMIN+TAUR1)/(TAUMAX+TAUR1))/TAUR1
+ ATAU4=(ATAN((TAUMAX-TAUR1)/GAMR1)-ATAN((TAUMIN-TAUR1)/GAMR1))/
+ & GAMR1
+ ENDIF
+ IF(NPTS(1).GE.6) THEN
+ ATAU5=LOG(TAUMAX/TAUMIN*(TAUMIN+TAUR2)/(TAUMAX+TAUR2))/TAUR2
+ ATAU6=(ATAN((TAUMAX-TAUR2)/GAMR2)-ATAN((TAUMIN-TAUR2)/GAMR2))/
+ & GAMR2
+ ENDIF
+ IF(NPTS(1).GT.2+2*MINT(72)) THEN
+ ATAU7=LOG(MAX(2D-10,1D0-TAUMIN)/MAX(2D-10,1D0-TAUMAX))
+ ENDIF
+
+C...Reset. Sum up cross-sections in points calculated.
+ DO 320 IVAR=1,4
+ IF(NPTS(IVAR).EQ.1) GOTO 320
+ IF(ISUB.EQ.96.AND.IVAR.EQ.4) GOTO 320
+ NBIN=NPTS(IVAR)
+ DO 170 J1=1,NBIN
+ NAREL(J1)=0
+ WTREL(J1)=0D0
+ COEFU(J1)=0D0
+ DO 160 J2=1,NBIN
+ WTMAT(J1,J2)=0D0
+ 160 CONTINUE
+ 170 CONTINUE
+ DO 180 IACC=1,NACC
+ IBIN=MVARPT(IACC,IVAR)
+ IF(IVAR.EQ.1.AND.IBIN.EQ.7) IBIN=3+2*MINT(72)
+ IF(IVAR.EQ.3.AND.IBIN.EQ.5.AND.MINT(45).NE.3) IBIN=4
+ NAREL(IBIN)=NAREL(IBIN)+1
+ WTREL(IBIN)=WTREL(IBIN)+SIGSPT(IACC)
+
+C...Sum up tau cross-section pieces in points used.
+ IF(IVAR.EQ.1) THEN
+ TAU=VINTPT(IACC,11)
+ WTMAT(IBIN,1)=WTMAT(IBIN,1)+1D0
+ WTMAT(IBIN,2)=WTMAT(IBIN,2)+(ATAU1/ATAU2)/TAU
+ IF(NBIN.GE.4) THEN
+ WTMAT(IBIN,3)=WTMAT(IBIN,3)+(ATAU1/ATAU3)/(TAU+TAUR1)
+ WTMAT(IBIN,4)=WTMAT(IBIN,4)+(ATAU1/ATAU4)*TAU/
+ & ((TAU-TAUR1)**2+GAMR1**2)
+ ENDIF
+ IF(NBIN.GE.6) THEN
+ WTMAT(IBIN,5)=WTMAT(IBIN,5)+(ATAU1/ATAU5)/(TAU+TAUR2)
+ WTMAT(IBIN,6)=WTMAT(IBIN,6)+(ATAU1/ATAU6)*TAU/
+ & ((TAU-TAUR2)**2+GAMR2**2)
+ ENDIF
+ IF(NBIN.GT.2+2*MINT(72)) THEN
+ WTMAT(IBIN,NBIN)=WTMAT(IBIN,NBIN)+(ATAU1/ATAU7)*
+ & TAU/MAX(2D-10,1D0-TAU)
+ ENDIF
+
+C...Sum up tau' cross-section pieces in points used.
+ ELSEIF(IVAR.EQ.2) THEN
+ TAU=VINTPT(IACC,11)
+ TAUP=VINTPT(IACC,16)
+ TAUPMN=VINTPT(IACC,6)
+ TAUPMX=VINTPT(IACC,26)
+ ATAUP1=LOG(TAUPMX/TAUPMN)
+ ATAUP2=((1D0-TAU/TAUPMX)**4-(1D0-TAU/TAUPMN)**4)/(4D0*TAU)
+ WTMAT(IBIN,1)=WTMAT(IBIN,1)+1D0
+ WTMAT(IBIN,2)=WTMAT(IBIN,2)+(ATAUP1/ATAUP2)*
+ & (1D0-TAU/TAUP)**3/TAUP
+ IF(NBIN.GE.3) THEN
+ ATAUP3=LOG(MAX(2D-10,1D0-TAUPMN)/MAX(2D-10,1D0-TAUPMX))
+ WTMAT(IBIN,3)=WTMAT(IBIN,3)+(ATAUP1/ATAUP3)*
+ & TAUP/MAX(2D-10,1D0-TAUP)
+ ENDIF
+
+C...Sum up y* cross-section pieces in points used.
+ ELSEIF(IVAR.EQ.3) THEN
+ YST=VINTPT(IACC,12)
+ YSTMIN=VINTPT(IACC,2)
+ YSTMAX=VINTPT(IACC,22)
+ AYST0=YSTMAX-YSTMIN
+ AYST1=0.5D0*(YSTMAX-YSTMIN)**2
+ AYST2=AYST1
+ AYST3=2D0*(ATAN(EXP(YSTMAX))-ATAN(EXP(YSTMIN)))
+ WTMAT(IBIN,1)=WTMAT(IBIN,1)+(AYST0/AYST1)*(YST-YSTMIN)
+ WTMAT(IBIN,2)=WTMAT(IBIN,2)+(AYST0/AYST2)*(YSTMAX-YST)
+ WTMAT(IBIN,3)=WTMAT(IBIN,3)+(AYST0/AYST3)/COSH(YST)
+ IF(MINT(45).EQ.3) THEN
+ TAUE=VINTPT(IACC,11)
+ IF(ISTSB.GE.3.AND.ISTSB.LE.5) TAUE=VINTPT(IACC,16)
+ YST0=-0.5D0*LOG(TAUE)
+ AYST4=LOG(MAX(1D-10,EXP(YST0-YSTMIN)-1D0)/
+ & MAX(1D-10,EXP(YST0-YSTMAX)-1D0))
+ WTMAT(IBIN,4)=WTMAT(IBIN,4)+(AYST0/AYST4)/
+ & MAX(1D-10,1D0-EXP(YST-YST0))
+ ENDIF
+ IF(MINT(46).EQ.3) THEN
+ TAUE=VINTPT(IACC,11)
+ IF(ISTSB.GE.3.AND.ISTSB.LE.5) TAUE=VINTPT(IACC,16)
+ YST0=-0.5D0*LOG(TAUE)
+ AYST5=LOG(MAX(1D-10,EXP(YST0+YSTMAX)-1D0)/
+ & MAX(1D-10,EXP(YST0+YSTMIN)-1D0))
+ WTMAT(IBIN,NBIN)=WTMAT(IBIN,NBIN)+(AYST0/AYST5)/
+ & MAX(1D-10,1D0-EXP(-YST-YST0))
+ ENDIF
+
+C...Sum up cos(theta-hat) cross-section pieces in points used.
+ ELSE
+ RM34=MAX(1D-20,2D0*SQM3*SQM4/(VINTPT(IACC,11)*VINT(2))**2)
+ RSQM=1D0+RM34
+ CTHMAX=SQRT(1D0-4D0*VINT(71)**2/(TAUMAX*VINT(2)))
+ CTHMIN=-CTHMAX
+ IF(CTHMAX.GT.0.9999D0) RM34=MAX(RM34,2D0*VINT(71)**2/
+ & (TAUMAX*VINT(2)))
+ ACTH1=CTHMAX-CTHMIN
+ ACTH2=LOG(MAX(RM34,RSQM-CTHMIN)/MAX(RM34,RSQM-CTHMAX))
+ ACTH3=LOG(MAX(RM34,RSQM+CTHMAX)/MAX(RM34,RSQM+CTHMIN))
+ ACTH4=1D0/MAX(RM34,RSQM-CTHMAX)-1D0/MAX(RM34,RSQM-CTHMIN)
+ ACTH5=1D0/MAX(RM34,RSQM+CTHMIN)-1D0/MAX(RM34,RSQM+CTHMAX)
+ CTH=VINTPT(IACC,13)
+ WTMAT(IBIN,1)=WTMAT(IBIN,1)+1D0
+ WTMAT(IBIN,2)=WTMAT(IBIN,2)+(ACTH1/ACTH2)/
+ & MAX(RM34,RSQM-CTH)
+ WTMAT(IBIN,3)=WTMAT(IBIN,3)+(ACTH1/ACTH3)/
+ & MAX(RM34,RSQM+CTH)
+ WTMAT(IBIN,4)=WTMAT(IBIN,4)+(ACTH1/ACTH4)/
+ & MAX(RM34,RSQM-CTH)**2
+ WTMAT(IBIN,5)=WTMAT(IBIN,5)+(ACTH1/ACTH5)/
+ & MAX(RM34,RSQM+CTH)**2
+ ENDIF
+ 180 CONTINUE
+
+C...Check that equation system solvable.
+ IF(MSTP(122).GE.2) WRITE(MSTU(11),5400) CVAR(IVAR)
+ MSOLV=1
+ WTRELS=0D0
+ DO 190 IBIN=1,NBIN
+ IF(MSTP(122).GE.2) WRITE(MSTU(11),5500) (WTMAT(IBIN,IRED),
+ & IRED=1,NBIN),WTREL(IBIN)
+ IF(NAREL(IBIN).EQ.0) MSOLV=0
+ WTRELS=WTRELS+WTREL(IBIN)
+ 190 CONTINUE
+ IF(ABS(WTRELS).LT.1D-20) MSOLV=0
+
+C...Solve to find relative importance of cross-section pieces.
+ IF(MSOLV.EQ.1) THEN
+ DO 200 IBIN=1,NBIN
+ WTRELN(IBIN)=MAX(0.1D0,WTREL(IBIN)/WTRELS)
+ 200 CONTINUE
+ DO 230 IRED=1,NBIN-1
+ DO 220 IBIN=IRED+1,NBIN
+ IF(ABS(WTMAT(IRED,IRED)).LT.1D-20) THEN
+ MSOLV=0
+ GOTO 260
+ ENDIF
+ RQT=WTMAT(IBIN,IRED)/WTMAT(IRED,IRED)
+ WTREL(IBIN)=WTREL(IBIN)-RQT*WTREL(IRED)
+ DO 210 ICOE=IRED,NBIN
+ WTMAT(IBIN,ICOE)=WTMAT(IBIN,ICOE)-RQT*WTMAT(IRED,ICOE)
+ 210 CONTINUE
+ 220 CONTINUE
+ 230 CONTINUE
+ DO 250 IRED=NBIN,1,-1
+ DO 240 ICOE=IRED+1,NBIN
+ WTREL(IRED)=WTREL(IRED)-WTMAT(IRED,ICOE)*COEFU(ICOE)
+ 240 CONTINUE
+ COEFU(IRED)=WTREL(IRED)/WTMAT(IRED,IRED)
+ 250 CONTINUE
+ ENDIF
+
+C...Share evenly if failure.
+ 260 IF(MSOLV.EQ.0) THEN
+ DO 270 IBIN=1,NBIN
+ COEFU(IBIN)=1D0
+ WTRELN(IBIN)=0.1D0
+ IF(WTRELS.GT.0D0) WTRELN(IBIN)=MAX(0.1D0,
+ & WTREL(IBIN)/WTRELS)
+ 270 CONTINUE
+ ENDIF
+
+C...Normalize coefficients, with piece shared democratically.
+ COEFSU=0D0
+ WTRELS=0D0
+ DO 280 IBIN=1,NBIN
+ COEFU(IBIN)=MAX(0D0,COEFU(IBIN))
+ COEFSU=COEFSU+COEFU(IBIN)
+ WTRELS=WTRELS+WTRELN(IBIN)
+ 280 CONTINUE
+ IF(COEFSU.GT.0D0) THEN
+ DO 290 IBIN=1,NBIN
+ COEFO(IBIN)=PARP(122)/NBIN+(1D0-PARP(122))*0.5D0*
+ & (COEFU(IBIN)/COEFSU+WTRELN(IBIN)/WTRELS)
+ 290 CONTINUE
+ ELSE
+ DO 300 IBIN=1,NBIN
+ COEFO(IBIN)=1D0/NBIN
+ 300 CONTINUE
+ ENDIF
+ IF(IVAR.EQ.1) IOFF=0
+ IF(IVAR.EQ.2) IOFF=17
+ IF(IVAR.EQ.3) IOFF=7
+ IF(IVAR.EQ.4) IOFF=12
+ DO 310 IBIN=1,NBIN
+ ICOF=IOFF+IBIN
+ IF(IVAR.EQ.1.AND.IBIN.GT.2+2*MINT(72)) ICOF=7
+ IF(IVAR.EQ.3.AND.IBIN.EQ.4.AND.MINT(45).NE.3) ICOF=ICOF+1
+ COEF(ISUB,ICOF)=COEFO(IBIN)
+ 310 CONTINUE
+ IF(MSTP(122).GE.2) WRITE(MSTU(11),5600) CVAR(IVAR),
+ & (COEFO(IBIN),IBIN=1,NBIN)
+ 320 CONTINUE
+
+C...Find two most promising maxima among points previously determined.
+ DO 330 J=1,4
+ IACCMX(J)=0
+ SIGSMX(J)=0D0
+ 330 CONTINUE
+ NMAX=0
+ DO 390 IACC=1,NACC
+ DO 340 J=1,30
+ VINT(10+J)=VINTPT(IACC,J)
+ 340 CONTINUE
+ IF(ISTSB.NE.5) THEN
+ CALL PYSIGH(NCHN,SIGS)
+ IF(MWTXS.EQ.1) THEN
+ CALL PYEVWT(WTXS)
+ SIGS=WTXS*SIGS
+ ENDIF
+ ELSE
+ SIGS=0D0
+ DO 350 IKIN3=1,MSTP(129)
+ CALL PYKMAP(5,0,0D0)
+ IF(MINT(51).EQ.1) GOTO 350
+ CALL PYSIGH(NCHN,SIGTMP)
+ IF(MWTXS.EQ.1) THEN
+ CALL PYEVWT(WTXS)
+ SIGTMP=WTXS*SIGTMP
+ ENDIF
+ IF(SIGTMP.GT.SIGS) SIGS=SIGTMP
+ 350 CONTINUE
+ ENDIF
+ IEQ=0
+ DO 360 IMV=1,NMAX
+ IF(ABS(SIGS-SIGSMX(IMV)).LT.1D-4*(SIGS+SIGSMX(IMV))) IEQ=IMV
+ 360 CONTINUE
+ IF(IEQ.EQ.0) THEN
+ DO 370 IMV=NMAX,1,-1
+ IIN=IMV+1
+ IF(SIGS.LE.SIGSMX(IMV)) GOTO 380
+ IACCMX(IMV+1)=IACCMX(IMV)
+ SIGSMX(IMV+1)=SIGSMX(IMV)
+ 370 CONTINUE
+ IIN=1
+ 380 IACCMX(IIN)=IACC
+ SIGSMX(IIN)=SIGS
+ IF(NMAX.LE.1) NMAX=NMAX+1
+ ENDIF
+ 390 CONTINUE
+
+C...Read out starting position for search.
+ IF(MSTP(122).GE.2) WRITE(MSTU(11),5700)
+ SIGSAM=SIGSMX(1)
+ DO 440 IMAX=1,NMAX
+ IACC=IACCMX(IMAX)
+ MTAU=MVARPT(IACC,1)
+ MTAUP=MVARPT(IACC,2)
+ MYST=MVARPT(IACC,3)
+ MCTH=MVARPT(IACC,4)
+ VTAU=0.5D0
+ VYST=0.5D0
+ VCTH=0.5D0
+ VTAUP=0.5D0
+
+C...Starting point and step size in parameter space.
+ DO 430 IRPT=1,2
+ DO 420 IVAR=1,4
+ IF(NPTS(IVAR).EQ.1) GOTO 420
+ IF(IVAR.EQ.1) VVAR=VTAU
+ IF(IVAR.EQ.2) VVAR=VTAUP
+ IF(IVAR.EQ.3) VVAR=VYST
+ IF(IVAR.EQ.4) VVAR=VCTH
+ IF(IVAR.EQ.1) MVAR=MTAU
+ IF(IVAR.EQ.2) MVAR=MTAUP
+ IF(IVAR.EQ.3) MVAR=MYST
+ IF(IVAR.EQ.4) MVAR=MCTH
+ IF(IRPT.EQ.1) VDEL=0.1D0
+ IF(IRPT.EQ.2) VDEL=MAX(0.01D0,MIN(0.05D0,VVAR-0.02D0,
+ & 0.98D0-VVAR))
+ IF(IRPT.EQ.1) VMAR=0.02D0
+ IF(IRPT.EQ.2) VMAR=0.002D0
+ IMOV0=1
+ IF(IRPT.EQ.1.AND.IVAR.EQ.1) IMOV0=0
+ DO 410 IMOV=IMOV0,8
+
+C...Define new point in parameter space.
+ IF(IMOV.EQ.0) THEN
+ INEW=2
+ VNEW=VVAR
+ ELSEIF(IMOV.EQ.1) THEN
+ INEW=3
+ VNEW=VVAR+VDEL
+ ELSEIF(IMOV.EQ.2) THEN
+ INEW=1
+ VNEW=VVAR-VDEL
+ ELSEIF(SIGSSM(3).GE.MAX(SIGSSM(1),SIGSSM(2)).AND.
+ & VVAR+2D0*VDEL.LT.1D0-VMAR) THEN
+ VVAR=VVAR+VDEL
+ SIGSSM(1)=SIGSSM(2)
+ SIGSSM(2)=SIGSSM(3)
+ INEW=3
+ VNEW=VVAR+VDEL
+ ELSEIF(SIGSSM(1).GE.MAX(SIGSSM(2),SIGSSM(3)).AND.
+ & VVAR-2D0*VDEL.GT.VMAR) THEN
+ VVAR=VVAR-VDEL
+ SIGSSM(3)=SIGSSM(2)
+ SIGSSM(2)=SIGSSM(1)
+ INEW=1
+ VNEW=VVAR-VDEL
+ ELSEIF(SIGSSM(3).GE.SIGSSM(1)) THEN
+ VDEL=0.5D0*VDEL
+ VVAR=VVAR+VDEL
+ SIGSSM(1)=SIGSSM(2)
+ INEW=2
+ VNEW=VVAR
+ ELSE
+ VDEL=0.5D0*VDEL
+ VVAR=VVAR-VDEL
+ SIGSSM(3)=SIGSSM(2)
+ INEW=2
+ VNEW=VVAR
+ ENDIF
+
+C...Convert to relevant variables and find derived new limits.
+ ILERR=0
+ IF(IVAR.EQ.1) THEN
+ VTAU=VNEW
+ CALL PYKMAP(1,MTAU,VTAU)
+ IF(ISTSB.GE.3.AND.ISTSB.LE.5) THEN
+ CALL PYKLIM(4)
+ IF(MINT(51).EQ.1) ILERR=1
+ ENDIF
+ ENDIF
+ IF(IVAR.LE.2.AND.ISTSB.GE.3.AND.ISTSB.LE.5.AND.
+ & ILERR.EQ.0) THEN
+ IF(IVAR.EQ.2) VTAUP=VNEW
+ CALL PYKMAP(4,MTAUP,VTAUP)
+ ENDIF
+ IF(IVAR.LE.2.AND.ILERR.EQ.0) THEN
+ CALL PYKLIM(2)
+ IF(MINT(51).EQ.1) ILERR=1
+ ENDIF
+ IF(IVAR.LE.3.AND.ILERR.EQ.0) THEN
+ IF(IVAR.EQ.3) VYST=VNEW
+ CALL PYKMAP(2,MYST,VYST)
+ CALL PYKLIM(3)
+ IF(MINT(51).EQ.1) ILERR=1
+ ENDIF
+ IF((ISTSB.EQ.2.OR.ISTSB.EQ.4.OR.ISTSB.EQ.6).AND.
+ & ILERR.EQ.0) THEN
+ IF(IVAR.EQ.4) VCTH=VNEW
+ CALL PYKMAP(3,MCTH,VCTH)
+ ENDIF
+ IF(ISUB.EQ.96) VINT(25)=VINT(21)*(1.-VINT(23)**2)
+
+C...Evaluate cross-section. Save new maximum. Final maximum.
+ IF(ILERR.NE.0) THEN
+ SIGS=0.
+ ELSEIF(ISTSB.NE.5) THEN
+ CALL PYSIGH(NCHN,SIGS)
+ IF(MWTXS.EQ.1) THEN
+ CALL PYEVWT(WTXS)
+ SIGS=WTXS*SIGS
+ ENDIF
+ ELSE
+ SIGS=0D0
+ DO 400 IKIN3=1,MSTP(129)
+ CALL PYKMAP(5,0,0D0)
+ IF(MINT(51).EQ.1) GOTO 400
+ CALL PYSIGH(NCHN,SIGTMP)
+ IF(MWTXS.EQ.1) THEN
+ CALL PYEVWT(WTXS)
+ SIGTMP=WTXS*SIGTMP
+ ENDIF
+ IF(SIGTMP.GT.SIGS) SIGS=SIGTMP
+ 400 CONTINUE
+ ENDIF
+ SIGSSM(INEW)=SIGS
+ IF(SIGS.GT.SIGSAM) SIGSAM=SIGS
+ IF(MSTP(122).GE.2) WRITE(MSTU(11),5800) IMAX,IVAR,MVAR,
+ & IMOV,VNEW,VINT(21),VINT(22),VINT(23),VINT(26),SIGS
+ 410 CONTINUE
+ 420 CONTINUE
+ 430 CONTINUE
+ 440 CONTINUE
+ IF(MSTP(121).EQ.1) SIGSAM=PARP(121)*SIGSAM
+ XSEC(ISUB,1)=1.05D0*SIGSAM
+ IF(MINT(141).NE.0.OR.MINT(142).NE.0) XSEC(ISUB,1)=
+ & WTGAGA*XSEC(ISUB,1)
+ 450 CONTINUE
+ IF(MSTP(173).EQ.1.AND.ISUB.NE.96) XSEC(ISUB,1)=
+ & PARP(174)*XSEC(ISUB,1)
+ IF(ISUB.NE.96) XSEC(0,1)=XSEC(0,1)+XSEC(ISUB,1)
+ 460 CONTINUE
+ MINT(51)=0
+
+C...Print summary table.
+ IF(MINT(121).EQ.1.AND.NPOSI.EQ.0) THEN
+ WRITE(MSTU(11),5900)
+ STOP
+ ENDIF
+ IF(MSTP(122).GE.1) THEN
+ WRITE(MSTU(11),6000)
+ WRITE(MSTU(11),6100)
+ DO 470 ISUB=1,500
+ IF(MSUB(ISUB).NE.1.AND.ISUB.NE.96) GOTO 470
+ IF(ISUB.EQ.96.AND.MINT(50).EQ.0) GOTO 470
+ IF(ISUB.EQ.96.AND.MSUB(95).NE.1.AND.MSTP(81).LE.0) GOTO 470
+ IF(ISUB.EQ.96.AND.MINT(49).EQ.0.AND.MSTP(131).EQ.0) GOTO 470
+ IF(MSUB(95).EQ.1.AND.(ISUB.EQ.11.OR.ISUB.EQ.12.OR.ISUB.EQ.13
+ & .OR.ISUB.EQ.28.OR.ISUB.EQ.53.OR.ISUB.EQ.68)) GOTO 470
+ WRITE(MSTU(11),6200) ISUB,PROC(ISUB),XSEC(ISUB,1)
+ 470 CONTINUE
+ WRITE(MSTU(11),6300)
+ ENDIF
+
+C...Format statements for maximization results.
+ 5000 FORMAT(/1X,'Coefficient optimization and maximum search for ',
+ &'subprocess no',I4/1X,'Coefficient modes tau',10X,'y*',9X,
+ &'cth',9X,'tau''',7X,'sigma')
+ 5100 FORMAT(1X,'Warning: requested subprocess ',I3,' has no allowed ',
+ &'phase space.'/1X,'Process switched off!')
+ 5200 FORMAT(1X,4I4,F12.8,F12.6,F12.7,F12.8,1P,D12.4)
+ 5300 FORMAT(1X,'Warning: requested subprocess ',I3,' has vanishing ',
+ &'cross-section.'/1X,'Process switched off!')
+ 5400 FORMAT(1X,'Coefficients of equation system to be solved for ',A4)
+ 5500 FORMAT(1X,1P,8D11.3)
+ 5600 FORMAT(1X,'Result for ',A4,':',7F9.4)
+ 5700 FORMAT(1X,'Maximum search for given coefficients'/2X,'MAX VAR ',
+ &'MOD MOV VNEW',7X,'tau',7X,'y*',8X,'cth',7X,'tau''',7X,'sigma')
+ 5800 FORMAT(1X,4I4,F8.4,F11.7,F9.3,F11.6,F11.7,1P,D12.4)
+ 5900 FORMAT(1X,'Error: no requested process has non-vanishing ',
+ &'cross-section.'/1X,'Execution stopped!')
+ 6000 FORMAT(/1X,8('*'),1X,'PYMAXI: summary of differential ',
+ &'cross-section maximum search',1X,8('*'))
+ 6100 FORMAT(/11X,58('=')/11X,'I',38X,'I',17X,'I'/11X,'I ISUB ',
+ &'Subprocess name',15X,'I Maximum value I'/11X,'I',38X,'I',
+ &17X,'I'/11X,58('=')/11X,'I',38X,'I',17X,'I')
+ 6200 FORMAT(11X,'I',2X,I3,3X,A28,2X,'I',2X,1P,D12.4,3X,'I')
+ 6300 FORMAT(11X,'I',38X,'I',17X,'I'/11X,58('='))
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYPILE
+C...Initializes multiplicity distribution and selects mutliplicity
+C...of pileup events, i.e. several events occuring at the same
+C...beam crossing.
+
+ SUBROUTINE PYPILE(MPILE)
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT7/SIGT(0:6,0:6,0:5)
+ SAVE /PYDAT1/,/PYPARS/,/PYINT1/,/PYINT7/
+C...Local arrays and saved variables.
+ DIMENSION WTI(0:200)
+ SAVE IMIN,IMAX,WTI,WTS
+
+C...Sum of allowed cross-sections for pileup events.
+ IF(MPILE.EQ.1) THEN
+ VINT(131)=SIGT(0,0,5)
+ IF(MSTP(132).GE.2) VINT(131)=VINT(131)+SIGT(0,0,4)
+ IF(MSTP(132).GE.3) VINT(131)=VINT(131)+SIGT(0,0,2)+SIGT(0,0,3)
+ IF(MSTP(132).GE.4) VINT(131)=VINT(131)+SIGT(0,0,1)
+ IF(MSTP(133).LE.0) RETURN
+
+C...Initialize multiplicity distribution at maximum.
+ XNAVE=VINT(131)*PARP(131)
+ IF(XNAVE.GT.120D0) WRITE(MSTU(11),5000) XNAVE
+ INAVE=MAX(1,MIN(200,NINT(XNAVE)))
+ WTI(INAVE)=1D0
+ WTS=WTI(INAVE)
+ WTN=WTI(INAVE)*INAVE
+
+C...Find shape of multiplicity distribution below maximum.
+ IMIN=INAVE
+ DO 100 I=INAVE-1,1,-1
+ IF(MSTP(133).EQ.1) WTI(I)=WTI(I+1)*(I+1)/XNAVE
+ IF(MSTP(133).GE.2) WTI(I)=WTI(I+1)*I/XNAVE
+ IF(WTI(I).LT.1D-6) GOTO 110
+ WTS=WTS+WTI(I)
+ WTN=WTN+WTI(I)*I
+ IMIN=I
+ 100 CONTINUE
+
+C...Find shape of multiplicity distribution above maximum.
+ 110 IMAX=INAVE
+ DO 120 I=INAVE+1,200
+ IF(MSTP(133).EQ.1) WTI(I)=WTI(I-1)*XNAVE/I
+ IF(MSTP(133).GE.2) WTI(I)=WTI(I-1)*XNAVE/(I-1)
+ IF(WTI(I).LT.1D-6) GOTO 130
+ WTS=WTS+WTI(I)
+ WTN=WTN+WTI(I)*I
+ IMAX=I
+ 120 CONTINUE
+ 130 VINT(132)=XNAVE
+ VINT(133)=WTN/WTS
+ IF(MSTP(133).EQ.1.AND.IMIN.EQ.1) VINT(134)=
+ & WTS/(WTS+WTI(1)/XNAVE)
+ IF(MSTP(133).EQ.1.AND.IMIN.GT.1) VINT(134)=1D0
+ IF(MSTP(133).GE.2) VINT(134)=XNAVE
+
+C...Pick multiplicity of pileup events.
+ ELSE
+ IF(MSTP(133).LE.0) THEN
+ MINT(81)=MAX(1,MSTP(134))
+ ELSE
+ WTR=WTS*PYR(0)
+ DO 140 I=IMIN,IMAX
+ MINT(81)=I
+ WTR=WTR-WTI(I)
+ IF(WTR.LE.0D0) GOTO 150
+ 140 CONTINUE
+ 150 CONTINUE
+ ENDIF
+ ENDIF
+
+C...Format statement for error message.
+ 5000 FORMAT(1X,'Warning: requested average number of events per bunch',
+ &'crossing too large, ',1P,D12.4)
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYSAVE
+C...Saves and restores parameter and cross section values for the
+C...3 gamma-p and 6 (or 4, or 9, or 13) gamma-gamma alnternatives.
+C...Also makes random choice between alternatives.
+
+ SUBROUTINE PYSAVE(ISAVE,IGA)
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT2/ISET(500),KFPR(500,2),COEF(500,20),ICOL(40,4,2)
+ COMMON/PYINT5/NGENPD,NGEN(0:500,3),XSEC(0:500,3)
+ COMMON/PYINT7/SIGT(0:6,0:6,0:5)
+ SAVE /PYSUBS/,/PYPARS/,/PYINT1/,/PYINT2/,/PYINT5/,/PYINT7/
+C...Local arrays and saved variables.
+ DIMENSION NCP(15),NSUBCP(15,20),MSUBCP(15,20),COEFCP(15,20,20),
+ &NGENCP(15,0:20,3),XSECCP(15,0:20,3),SIGTCP(15,0:6,0:6,0:5),
+ &INTCP(15,20),RECP(15,20)
+ SAVE NCP,NSUBCP,MSUBCP,COEFCP,NGENCP,XSECCP,SIGTCP,INTCP,RECP
+
+C...Save list of subprocesses and cross-section information.
+ IF(ISAVE.EQ.1) THEN
+ ICP=0
+ DO 120 I=1,500
+ IF(MSUB(I).EQ.0.AND.I.NE.96.AND.I.NE.97) GOTO 120
+ ICP=ICP+1
+ NSUBCP(IGA,ICP)=I
+ MSUBCP(IGA,ICP)=MSUB(I)
+ DO 100 J=1,20
+ COEFCP(IGA,ICP,J)=COEF(I,J)
+ 100 CONTINUE
+ DO 110 J=1,3
+ NGENCP(IGA,ICP,J)=NGEN(I,J)
+ XSECCP(IGA,ICP,J)=XSEC(I,J)
+ 110 CONTINUE
+ 120 CONTINUE
+ NCP(IGA)=ICP
+ DO 130 J=1,3
+ NGENCP(IGA,0,J)=NGEN(0,J)
+ XSECCP(IGA,0,J)=XSEC(0,J)
+ 130 CONTINUE
+ DO 136 I1=0,6
+ DO 134 I2=0,6
+ DO 132 J=0,5
+ SIGTCP(IGA,I1,I2,J)=SIGT(I1,I2,J)
+ 132 CONTINUE
+ 134 CONTINUE
+ 136 CONTINUE
+
+C...Save various common process variables.
+ DO 140 J=1,10
+ INTCP(IGA,J)=MINT(40+J)
+ 140 CONTINUE
+ INTCP(IGA,11)=MINT(101)
+ INTCP(IGA,12)=MINT(102)
+ INTCP(IGA,13)=MINT(107)
+ INTCP(IGA,14)=MINT(108)
+ INTCP(IGA,15)=MINT(123)
+ RECP(IGA,1)=CKIN(3)
+ RECP(IGA,2)=VINT(318)
+
+C...Save cross-section information only.
+ ELSEIF(ISAVE.EQ.2) THEN
+ DO 160 ICP=1,NCP(IGA)
+ I=NSUBCP(IGA,ICP)
+ DO 150 J=1,3
+ NGENCP(IGA,ICP,J)=NGEN(I,J)
+ XSECCP(IGA,ICP,J)=XSEC(I,J)
+ 150 CONTINUE
+ 160 CONTINUE
+ DO 170 J=1,3
+ NGENCP(IGA,0,J)=NGEN(0,J)
+ XSECCP(IGA,0,J)=XSEC(0,J)
+ 170 CONTINUE
+
+C...Choose between allowed alternatives.
+ ELSEIF(ISAVE.EQ.3.OR.ISAVE.EQ.4) THEN
+ IF(ISAVE.EQ.4) THEN
+ XSUMCP=0D0
+ DO 180 IG=1,MINT(121)
+ XSUMCP=XSUMCP+XSECCP(IG,0,1)
+ 180 CONTINUE
+ XSUMCP=XSUMCP*PYR(0)
+ DO 190 IG=1,MINT(121)
+ IGA=IG
+ XSUMCP=XSUMCP-XSECCP(IG,0,1)
+ IF(XSUMCP.LE.0D0) GOTO 200
+ 190 CONTINUE
+ 200 CONTINUE
+ ENDIF
+
+C...Restore cross-section information.
+ DO 210 I=1,500
+ MSUB(I)=0
+ 210 CONTINUE
+ DO 240 ICP=1,NCP(IGA)
+ I=NSUBCP(IGA,ICP)
+ MSUB(I)=MSUBCP(IGA,ICP)
+ DO 220 J=1,20
+ COEF(I,J)=COEFCP(IGA,ICP,J)
+ 220 CONTINUE
+ DO 230 J=1,3
+ NGEN(I,J)=NGENCP(IGA,ICP,J)
+ XSEC(I,J)=XSECCP(IGA,ICP,J)
+ 230 CONTINUE
+ 240 CONTINUE
+ DO 250 J=1,3
+ NGEN(0,J)=NGENCP(IGA,0,J)
+ XSEC(0,J)=XSECCP(IGA,0,J)
+ 250 CONTINUE
+ DO 256 I1=0,6
+ DO 254 I2=0,6
+ DO 252 J=0,5
+ SIGT(I1,I2,J)=SIGTCP(IGA,I1,I2,J)
+ 252 CONTINUE
+ 254 CONTINUE
+ 256 CONTINUE
+
+C...Restore various common process variables.
+ DO 260 J=1,10
+ MINT(40+J)=INTCP(IGA,J)
+ 260 CONTINUE
+ MINT(101)=INTCP(IGA,11)
+ MINT(102)=INTCP(IGA,12)
+ MINT(107)=INTCP(IGA,13)
+ MINT(108)=INTCP(IGA,14)
+ MINT(123)=INTCP(IGA,15)
+ CKIN(3)=RECP(IGA,1)
+ CKIN(1)=2D0*CKIN(3)
+ VINT(318)=RECP(IGA,2)
+
+C...Sum up cross-section info (for PYSTAT).
+ ELSEIF(ISAVE.EQ.5) THEN
+ DO 270 I=1,500
+ MSUB(I)=0
+ NGEN(I,1)=0
+ NGEN(I,3)=0
+ XSEC(I,3)=0D0
+ 270 CONTINUE
+ NGEN(0,1)=0
+ NGEN(0,2)=0
+ NGEN(0,3)=0
+ XSEC(0,3)=0
+ DO 290 IG=1,MINT(121)
+ DO 280 ICP=1,NCP(IG)
+ I=NSUBCP(IG,ICP)
+ IF(MSUBCP(IG,ICP).EQ.1) MSUB(I)=1
+ NGEN(I,1)=NGEN(I,1)+NGENCP(IG,ICP,1)
+ NGEN(I,3)=NGEN(I,3)+NGENCP(IG,ICP,3)
+ XSEC(I,3)=XSEC(I,3)+XSECCP(IG,ICP,3)
+ 280 CONTINUE
+ NGEN(0,1)=NGEN(0,1)+NGENCP(IG,0,1)
+ NGEN(0,2)=NGEN(0,2)+NGENCP(IG,0,2)
+ NGEN(0,3)=NGEN(0,3)+NGENCP(IG,0,3)
+ XSEC(0,3)=XSEC(0,3)+XSECCP(IG,0,3)
+ 290 CONTINUE
+ ENDIF
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYGAGA
+C...For lepton beams it gives photon-hadron or photon-photon systems
+C...to be treated with the ordinary machinery and combines this with a
+C...description of the lepton -> lepton + photon branching.
+
+ SUBROUTINE PYGAGA(IGAGA,WTGAGA)
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Commonblocks.
+ COMMON/PYJETS/N,NPAD,K(4000,5),P(4000,5),V(4000,5)
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT5/NGENPD,NGEN(0:500,3),XSEC(0:500,3)
+ SAVE /PYJETS/,/PYDAT1/,/PYDAT2/,/PYSUBS/,/PYPARS/,/PYINT1/,
+ &/PYINT5/
+C...Local variables and data statement.
+ DIMENSION PMS(2),XMIN(2),XMAX(2),Q2MIN(2),Q2MAX(2),PMC(3),
+ &X(2),Q2(2),Y(2),THETA(2),PHI(2),PT(2),BETA(3)
+ SAVE PMS,XMIN,XMAX,Q2MIN,Q2MAX,PMC,X,Q2,THETA,PHI,PT,W2MIN
+ DATA EPS/1D-4/
+
+C...Initialize generation of photons inside leptons.
+ IF(IGAGA.EQ.1) THEN
+
+C...Save quantities on incoming lepton system.
+ VINT(301)=VINT(1)
+ VINT(302)=VINT(2)
+ PMS(1)=VINT(303)**2
+ IF(MINT(141).EQ.0) PMS(1)=SIGN(VINT(3)**2,VINT(3))
+ PMS(2)=VINT(304)**2
+ IF(MINT(142).EQ.0) PMS(2)=SIGN(VINT(4)**2,VINT(4))
+ PMC(3)=VINT(302)-PMS(1)-PMS(2)
+ W2MIN=MAX(CKIN(77),2D0*CKIN(3),2D0*CKIN(5))**2
+
+C...Calculate range of x and Q2 values allowed in generation.
+ DO 100 I=1,2
+ PMC(I)=VINT(302)+PMS(I)-PMS(3-I)
+ IF(MINT(140+I).NE.0) THEN
+ XMIN(I)=MAX(CKIN(59+2*I),EPS)
+ XMAX(I)=MIN(CKIN(60+2*I),1D0-2D0*VINT(301)*SQRT(PMS(I))/
+ & PMC(I),1D0-EPS)
+ YMIN=MAX(CKIN(71+2*I),EPS)
+ YMAX=MIN(CKIN(72+2*I),1D0-EPS)
+ IF(CKIN(64+2*I).GT.0D0) XMIN(I)=MAX(XMIN(I),
+ & (YMIN*PMC(3)-CKIN(64+2*I))/PMC(I))
+ XMAX(I)=MIN(XMAX(I),(YMAX*PMC(3)-CKIN(63+2*I))/PMC(I))
+ THEMIN=MAX(CKIN(67+2*I),0D0)
+ THEMAX=MIN(CKIN(68+2*I),PARU(1))
+ IF(CKIN(68+2*I).LT.0D0) THEMAX=PARU(1)
+ Q2MIN(I)=MAX(CKIN(63+2*I),XMIN(I)**2*PMS(I)/(1D0-XMIN(I))+
+ & ((1D0-XMAX(I))*(VINT(302)-2D0*PMS(3-I))-
+ & 2D0*PMS(I)/(1D0-XMAX(I)))*SIN(THEMIN/2D0)**2,0D0)
+ Q2MAX(I)=XMAX(I)**2*PMS(I)/(1D0-XMAX(I))+
+ & ((1D0-XMIN(I))*(VINT(302)-2D0*PMS(3-I))-
+ & 2D0*PMS(I)/(1D0-XMIN(I)))*SIN(THEMAX/2D0)**2
+ IF(CKIN(64+2*I).GT.0D0) Q2MAX(I)=MIN(CKIN(64+2*I),Q2MAX(I))
+C...W limits when lepton on one side only.
+ IF(MINT(143-I).EQ.0) THEN
+ XMIN(I)=MAX(XMIN(I),(W2MIN-PMS(3-I))/PMC(I))
+ IF(CKIN(78).GT.0D0) XMAX(I)=MIN(XMAX(I),
+ & (CKIN(78)**2-PMS(3-I))/PMC(I))
+ ENDIF
+ ENDIF
+ 100 CONTINUE
+
+C...W limits when lepton on both sides.
+ IF(MINT(141).NE.0.AND.MINT(142).NE.0) THEN
+ IF(CKIN(78).GT.0D0) XMAX(1)=MIN(XMAX(1),
+ & (CKIN(78)**2+PMC(3)-PMC(2)*XMIN(2))/PMC(1))
+ IF(CKIN(78).GT.0D0) XMAX(2)=MIN(XMAX(2),
+ & (CKIN(78)**2+PMC(3)-PMC(1)*XMIN(1))/PMC(2))
+ IF(IABS(MINT(141)).NE.IABS(MINT(142))) THEN
+ XMIN(1)=MAX(XMIN(1),(PMS(1)-PMS(2)+VINT(302)*(W2MIN-
+ & PMS(1)-PMS(2))/(PMC(2)*XMAX(2)+PMS(1)-PMS(2)))/PMC(1))
+ XMIN(2)=MAX(XMIN(2),(PMS(2)-PMS(1)+VINT(302)*(W2MIN-
+ & PMS(1)-PMS(2))/(PMC(1)*XMAX(1)+PMS(2)-PMS(1)))/PMC(2))
+ ELSE
+ XMIN(1)=MAX(XMIN(1),W2MIN/(VINT(302)*XMAX(2)))
+ XMIN(2)=MAX(XMIN(2),W2MIN/(VINT(302)*XMAX(1)))
+ ENDIF
+ ENDIF
+
+C...Q2 and W values and photon flux weight factors for initialization.
+ ELSEIF(IGAGA.EQ.2) THEN
+ ISUB=MINT(1)
+ MINT(15)=0
+ MINT(16)=0
+
+C...W value for photon on one or both sides, and for processes
+C...with gamma-gamma cross section peaked at small shat.
+ IF(MINT(141).NE.0.AND.MINT(142).EQ.0) THEN
+ VINT(2)=VINT(302)+PMS(1)-PMC(1)*(1D0-XMAX(1))
+ ELSEIF(MINT(141).EQ.0.AND.MINT(142).NE.0) THEN
+ VINT(2)=VINT(302)+PMS(2)-PMC(2)*(1D0-XMAX(2))
+ ELSEIF(ISUB.GE.137.AND.ISUB.LE.140) THEN
+ VINT(2)=MAX(CKIN(77)**2,12D0*MAX(CKIN(3),CKIN(5))**2)
+ IF(CKIN(78).GT.0D0) VINT(2)=MIN(VINT(2),CKIN(78)**2)
+ ELSE
+ VINT(2)=XMAX(1)*XMAX(2)*VINT(302)
+ IF(CKIN(78).GT.0D0) VINT(2)=MIN(VINT(2),CKIN(78)**2)
+ ENDIF
+ VINT(1)=SQRT(MAX(0D0,VINT(2)))
+
+C...Upper estimate of photon flux weight factor.
+C...Initialization Q2 scale. Flag incoming unresolved photon.
+ WTGAGA=1D0
+ DO 110 I=1,2
+ IF(MINT(140+I).NE.0) THEN
+ WTGAGA=WTGAGA*2D0*(PARU(101)/PARU(2))*
+ & LOG(XMAX(I)/XMIN(I))*LOG(Q2MAX(I)/Q2MIN(I))
+ IF(ISUB.EQ.99.AND.MINT(106+I).EQ.4.AND.MINT(109-I).EQ.3)
+ & THEN
+ Q2INIT=5D0+Q2MIN(3-I)
+ ELSEIF(ISUB.EQ.99.AND.MINT(106+I).EQ.4) THEN
+ Q2INIT=PMAS(PYCOMP(113),1)**2+Q2MIN(3-I)
+ ELSEIF(ISUB.EQ.132.OR.ISUB.EQ.134.OR.ISUB.EQ.136) THEN
+ Q2INIT=MAX(CKIN(1),2D0*CKIN(3),2D0*CKIN(5))**2/3D0
+ ELSEIF((ISUB.EQ.138.AND.I.EQ.2).OR.
+ & (ISUB.EQ.139.AND.I.EQ.1)) THEN
+ Q2INIT=VINT(2)/3D0
+ ELSEIF(ISUB.EQ.140) THEN
+ Q2INIT=VINT(2)/2D0
+ ELSE
+ Q2INIT=Q2MIN(I)
+ ENDIF
+ VINT(2+I)=-SQRT(MAX(Q2MIN(I),MIN(Q2MAX(I),Q2INIT)))
+ IF(MSTP(14).EQ.0.OR.(ISUB.GE.131.AND.ISUB.LE.140))
+ & MINT(14+I)=22
+ VINT(306+I)=VINT(2+I)**2
+ ENDIF
+ 110 CONTINUE
+ VINT(320)=WTGAGA
+
+C...Update pTmin and cross section information.
+ IF(MSTP(82).LE.1) THEN
+ PTMN=PARP(81)*(VINT(1)/PARP(89))**PARP(90)
+ ELSE
+ PTMN=PARP(82)*(VINT(1)/PARP(89))**PARP(90)
+ ENDIF
+ VINT(149)=4D0*PTMN**2/VINT(2)
+ VINT(154)=PTMN
+ CALL PYXTOT
+ VINT(318)=VINT(317)
+
+C...Generate photons inside leptons and
+C...calculate photon flux weight factors.
+ ELSEIF(IGAGA.EQ.3) THEN
+ ISUB=MINT(1)
+ MINT(15)=0
+ MINT(16)=0
+
+C...Generate phase space point and check against cuts.
+ LOOP=0
+ 120 LOOP=LOOP+1
+ DO 130 I=1,2
+ IF(MINT(140+I).NE.0) THEN
+C...Pick x and Q2
+ X(I)=XMIN(I)*(XMAX(I)/XMIN(I))**PYR(0)
+ Q2(I)=Q2MIN(I)*(Q2MAX(I)/Q2MIN(I))**PYR(0)
+C...Cuts on internal consistency in x and Q2.
+ IF(Q2(I).LT.X(I)**2*PMS(I)/(1D0-X(I))) GOTO 120
+ IF(Q2(I).GT.(1D0-X(I))*(VINT(302)-2D0*PMS(3-I))-
+ & (2D0-X(I)**2)*PMS(I)/(1D0-X(I))) GOTO 120
+C...Cuts on y and theta.
+ Y(I)=(PMC(I)*X(I)+Q2(I))/PMC(3)
+ IF(Y(I).LT.CKIN(71+2*I).OR.Y(I).GT.CKIN(72+2*I)) GOTO 120
+ RAT=((1D0-X(I))*Q2(I)-X(I)**2*PMS(I))/
+ & ((1D0-X(I))**2*(VINT(302)-2D0*PMS(3-I)-2D0*PMS(I)))
+ THETA(I)=2D0*ASIN(SQRT(MAX(0D0,MIN(1D0,RAT))))
+ IF(THETA(I).LT.CKIN(67+2*I)) GOTO 120
+ IF(CKIN(68+2*I).GT.0D0.AND.THETA(I).GT.CKIN(68+2*I))
+ & GOTO 120
+
+C...Phi angle isotropic. Reconstruct pT.
+ PHI(I)=PARU(2)*PYR(0)
+ PT(I)=SQRT(((1D0-X(I))*PMC(I))**2/(4D0*VINT(302))-
+ & PMS(I))*SIN(THETA(I))
+
+C...Store info on variables selected, for documentation purposes.
+ VINT(2+I)=-SQRT(Q2(I))
+ VINT(304+I)=X(I)
+ VINT(306+I)=Q2(I)
+ VINT(308+I)=Y(I)
+ VINT(310+I)=THETA(I)
+ VINT(312+I)=PHI(I)
+ ELSE
+ VINT(304+I)=1D0
+ VINT(306+I)=0D0
+ VINT(308+I)=1D0
+ VINT(310+I)=0D0
+ VINT(312+I)=0D0
+ ENDIF
+ 130 CONTINUE
+
+C...Cut on W combines info from two sides.
+ IF(MINT(141).NE.0.AND.MINT(142).NE.0) THEN
+ W2=-Q2(1)-Q2(2)+0.5D0*X(1)*PMC(1)*X(2)*PMC(2)/VINT(302)-
+ & 2D0*PT(1)*PT(2)*COS(PHI(1)-PHI(2))+2D0*
+ & SQRT((0.5D0*X(1)*PMC(1)/VINT(301))**2+Q2(1)-PT(1)**2)*
+ & SQRT((0.5D0*X(2)*PMC(2)/VINT(301))**2+Q2(2)-PT(2)**2)
+ IF(W2.LT.W2MIN) GOTO 120
+ IF(CKIN(78).GT.0D0.AND.W2.GT.CKIN(78)**2) GOTO 120
+ PMS1=-Q2(1)
+ PMS2=-Q2(2)
+ ELSEIF(MINT(141).NE.0) THEN
+ W2=(VINT(302)+PMS(1))*X(1)+PMS(2)*(1D0-X(1))
+ PMS1=-Q2(1)
+ PMS2=PMS(2)
+ ELSEIF(MINT(142).NE.0) THEN
+ W2=(VINT(302)+PMS(2))*X(2)+PMS(1)*(1D0-X(2))
+ PMS1=PMS(1)
+ PMS2=-Q2(2)
+ ENDIF
+
+C...Store kinematics info for photon(s) in subsystem cm frame.
+ VINT(2)=W2
+ VINT(1)=SQRT(W2)
+ VINT(291)=0D0
+ VINT(292)=0D0
+ VINT(293)=0.5D0*SQRT((W2-PMS1-PMS2)**2-4D0*PMS1*PMS2)/VINT(1)
+ VINT(294)=0.5D0*(W2+PMS1-PMS2)/VINT(1)
+ VINT(295)=SIGN(SQRT(ABS(PMS1)),PMS1)
+ VINT(296)=0D0
+ VINT(297)=0D0
+ VINT(298)=-VINT(293)
+ VINT(299)=0.5D0*(W2+PMS2-PMS1)/VINT(1)
+ VINT(300)=SIGN(SQRT(ABS(PMS2)),PMS2)
+
+C...Assign weight for photon flux; different for transverse and
+C...longitudinal photons. Flag incoming unresolved photon.
+ WTGAGA=1D0
+ DO 140 I=1,2
+ IF(MINT(140+I).NE.0) THEN
+ WTGAGA=WTGAGA*2D0*(PARU(101)/PARU(2))*
+ & LOG(XMAX(I)/XMIN(I))*LOG(Q2MAX(I)/Q2MIN(I))
+ IF(MSTP(16).EQ.0) THEN
+ XY=X(I)
+ ELSE
+ WTGAGA=WTGAGA*X(I)/Y(I)
+ XY=Y(I)
+ ENDIF
+ IF(ISUB.EQ.132.OR.ISUB.EQ.134.OR.ISUB.EQ.136) THEN
+ WTGAGA=WTGAGA*(1D0-XY)
+ ELSEIF(I.EQ.1.AND.(ISUB.EQ.139.OR.ISUB.EQ.140)) THEN
+ WTGAGA=WTGAGA*(1D0-XY)
+ ELSEIF(I.EQ.2.AND.(ISUB.EQ.138.OR.ISUB.EQ.140)) THEN
+ WTGAGA=WTGAGA*(1D0-XY)
+ ELSE
+ WTGAGA=WTGAGA*(0.5D0*(1D0+(1D0-XY)**2)-
+ & PMS(I)*XY**2/Q2(I))
+ ENDIF
+ IF(MINT(106+I).EQ.0) MINT(14+I)=22
+ ENDIF
+ 140 CONTINUE
+ VINT(319)=WTGAGA
+ MINT(143)=LOOP
+
+C...Update pTmin and cross section information.
+ IF(MSTP(82).LE.1) THEN
+ PTMN=PARP(81)*(VINT(1)/PARP(89))**PARP(90)
+ ELSE
+ PTMN=PARP(82)*(VINT(1)/PARP(89))**PARP(90)
+ ENDIF
+ VINT(149)=4D0*PTMN**2/VINT(2)
+ VINT(154)=PTMN
+ CALL PYXTOT
+
+C...Reconstruct kinematics of photons inside leptons.
+ ELSEIF(IGAGA.EQ.4) THEN
+
+C...Make place for incoming particles and scattered leptons.
+ MOVE=3
+ IF(MINT(141).NE.0.AND.MINT(142).NE.0) MOVE=4
+ MINT(4)=MINT(4)+MOVE
+ DO 160 I=MINT(84)-MOVE,MINT(83)+1,-1
+ IF(K(I,1).EQ.21) THEN
+ DO 150 J=1,5
+ K(I+MOVE,J)=K(I,J)
+ P(I+MOVE,J)=P(I,J)
+ V(I+MOVE,J)=V(I,J)
+ 150 CONTINUE
+ IF(K(I,3).GT.MINT(83).AND.K(I,3).LE.MINT(84))
+ & K(I+MOVE,3)=K(I,3)+MOVE
+ IF(K(I,4).GT.MINT(83).AND.K(I,4).LE.MINT(84))
+ & K(I+MOVE,4)=K(I,4)+MOVE
+ IF(K(I,5).GT.MINT(83).AND.K(I,5).LE.MINT(84))
+ & K(I+MOVE,5)=K(I,5)+MOVE
+ ENDIF
+ 160 CONTINUE
+ DO 170 I=MINT(84)+1,N
+ IF(K(I,3).GT.MINT(83).AND.K(I,3).LE.MINT(84))
+ & K(I,3)=K(I,3)+MOVE
+ 170 CONTINUE
+
+C...Fill in incoming particles.
+ DO 190 I=MINT(83)+1,MINT(83)+MOVE
+ DO 180 J=1,5
+ K(I,J)=0
+ P(I,J)=0D0
+ V(I,J)=0D0
+ 180 CONTINUE
+ 190 CONTINUE
+ DO 200 I=1,2
+ K(MINT(83)+I,1)=21
+ IF(MINT(140+I).NE.0) THEN
+ K(MINT(83)+I,2)=MINT(140+I)
+ P(MINT(83)+I,5)=VINT(302+I)
+ ELSE
+ K(MINT(83)+I,2)=MINT(10+I)
+ P(MINT(83)+I,5)=VINT(2+I)
+ ENDIF
+ P(MINT(83)+I,3)=0.5D0*SQRT((PMC(3)**2-4D0*PMS(1)*PMS(2))/
+ & VINT(302))*(-1D0)**(I+1)
+ P(MINT(83)+I,4)=0.5D0*PMC(I)/VINT(301)
+ 200 CONTINUE
+
+C...New mother-daughter relations in documentation section.
+ IF(MINT(141).NE.0.AND.MINT(142).NE.0) THEN
+ K(MINT(83)+1,4)=MINT(83)+3
+ K(MINT(83)+1,5)=MINT(83)+5
+ K(MINT(83)+2,4)=MINT(83)+4
+ K(MINT(83)+2,5)=MINT(83)+6
+ K(MINT(83)+3,3)=MINT(83)+1
+ K(MINT(83)+5,3)=MINT(83)+1
+ K(MINT(83)+4,3)=MINT(83)+2
+ K(MINT(83)+6,3)=MINT(83)+2
+ ELSEIF(MINT(141).NE.0) THEN
+ K(MINT(83)+1,4)=MINT(83)+3
+ K(MINT(83)+1,5)=MINT(83)+4
+ K(MINT(83)+2,4)=MINT(83)+5
+ K(MINT(83)+3,3)=MINT(83)+1
+ K(MINT(83)+4,3)=MINT(83)+1
+ K(MINT(83)+5,3)=MINT(83)+2
+ ELSEIF(MINT(142).NE.0) THEN
+ K(MINT(83)+1,4)=MINT(83)+4
+ K(MINT(83)+2,4)=MINT(83)+3
+ K(MINT(83)+2,5)=MINT(83)+5
+ K(MINT(83)+3,3)=MINT(83)+2
+ K(MINT(83)+4,3)=MINT(83)+1
+ K(MINT(83)+5,3)=MINT(83)+2
+ ENDIF
+
+C...Fill scattered lepton(s).
+ DO 210 I=1,2
+ IF(MINT(140+I).NE.0) THEN
+ LSC=MINT(83)+MIN(I+2,MOVE)
+ K(LSC,1)=21
+ K(LSC,2)=MINT(140+I)
+ P(LSC,1)=PT(I)*COS(PHI(I))
+ P(LSC,2)=PT(I)*SIN(PHI(I))
+ P(LSC,4)=(1D0-X(I))*P(MINT(83)+I,4)
+ P(LSC,3)=SQRT(P(LSC,4)**2-PMS(I))*COS(THETA(I))*
+ & (-1D0)**(I-1)
+ P(LSC,5)=VINT(302+I)
+ ENDIF
+ 210 CONTINUE
+
+C...Find incoming four-vectors to subprocess.
+ K(N+1,1)=21
+ IF(MINT(141).NE.0) THEN
+ DO 220 J=1,4
+ P(N+1,J)=P(MINT(83)+1,J)-P(MINT(83)+3,J)
+ 220 CONTINUE
+ ELSE
+ DO 230 J=1,4
+ P(N+1,J)=P(MINT(83)+1,J)
+ 230 CONTINUE
+ ENDIF
+ K(N+2,1)=21
+ IF(MINT(142).NE.0) THEN
+ DO 240 J=1,4
+ P(N+2,J)=P(MINT(83)+2,J)-P(MINT(83)+MOVE,J)
+ 240 CONTINUE
+ ELSE
+ DO 250 J=1,4
+ P(N+2,J)=P(MINT(83)+2,J)
+ 250 CONTINUE
+ ENDIF
+
+C...Define boost and rotation between hadronic subsystem and
+C...collision rest frame; boost hadronic subsystem to this frame.
+ DO 260 J=1,3
+ BETA(J)=(P(N+1,J)+P(N+2,J))/(P(N+1,4)+P(N+2,4))
+ 260 CONTINUE
+ CALL PYROBO(N+1,N+2,0D0,0D0,-BETA(1),-BETA(2),-BETA(3))
+ BPHI=PYANGL(P(N+1,1),P(N+1,2))
+ CALL PYROBO(N+1,N+2,0D0,-BPHI,0D0,0D0,0D0)
+ BTHETA=PYANGL(P(N+1,3),P(N+1,1))
+ CALL PYROBO(MINT(83)+MOVE+1,N,BTHETA,BPHI,BETA(1),BETA(2),
+ & BETA(3))
+
+C...Add on scattered leptons to final state.
+ DO 280 I=1,2
+ IF(MINT(140+I).NE.0) THEN
+ LSC=MINT(83)+MIN(I+2,MOVE)
+ N=N+1
+ DO 270 J=1,5
+ K(N,J)=K(LSC,J)
+ P(N,J)=P(LSC,J)
+ V(N,J)=V(LSC,J)
+ 270 CONTINUE
+ K(N,1)=1
+ K(N,3)=LSC
+ ENDIF
+ 280 CONTINUE
+ ENDIF
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYRAND
+C...Generates quantities characterizing the high-pT scattering at the
+C...parton level according to the matrix elements. Chooses incoming,
+C...reacting partons, their momentum fractions and one of the possible
+C...subprocesses.
+
+ SUBROUTINE PYRAND
+
+C...Double precision and integer declarations.
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Parameter statement to help give large particle numbers.
+ PARAMETER (KSUSY1=1000000,KSUSY2=2000000,KEXCIT=4000000)
+C...Commonblocks.
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYDAT3/MDCY(500,3),MDME(4000,2),BRAT(4000),KFDP(4000,5)
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT2/ISET(500),KFPR(500,2),COEF(500,20),ICOL(40,4,2)
+ COMMON/PYINT3/XSFX(2,-40:40),ISIG(1000,3),SIGH(1000)
+ COMMON/PYINT4/MWID(500),WIDS(500,5)
+ COMMON/PYINT5/NGENPD,NGEN(0:500,3),XSEC(0:500,3)
+ COMMON/PYINT7/SIGT(0:6,0:6,0:5)
+ COMMON/PYUPPR/NUP,KUP(20,7),NFUP,IFUP(10,2),PUP(20,5),Q2UP(0:10)
+ COMMON/PYMSSM/IMSS(0:99),RMSS(0:99)
+ SAVE /PYDAT1/,/PYDAT2/,/PYDAT3/,/PYSUBS/,/PYPARS/,/PYINT1/,
+ &/PYINT2/,/PYINT3/,/PYINT4/,/PYINT5/,/PYINT7/,/PYUPPR/,/PYMSSM/
+C...Local arrays.
+ DIMENSION XPQ(-25:25),PMM(2),PDIF(4),BHAD(4),PMMN(2)
+
+C...Parameters and data used in elastic/diffractive treatment.
+ DATA EPS/0.0808D0/, ALP/0.25D0/, CRES/2D0/, PMRC/1.062D0/,
+ &SMP/0.880D0/, BHAD/2.3D0,1.4D0,1.4D0,0.23D0/
+
+C...Initial values, specifically for (first) semihard interaction.
+ MINT(10)=0
+ MINT(17)=0
+ MINT(18)=0
+ VINT(143)=1D0
+ VINT(144)=1D0
+ VINT(157)=0D0
+ VINT(158)=0D0
+ MFAIL=0
+ IF(MSTP(171).EQ.1.AND.MSTP(172).EQ.2) MFAIL=1
+ ISUB=0
+ LOOP=0
+ 100 LOOP=LOOP+1
+ MINT(51)=0
+ MINT(143)=1
+
+C...Start by assuming incoming photon is entering subprocess.
+ IF(MINT(11).EQ.22) THEN
+ MINT(15)=22
+ VINT(307)=VINT(3)**2
+ ENDIF
+ IF(MINT(12).EQ.22) THEN
+ MINT(16)=22
+ VINT(308)=VINT(4)**2
+ ENDIF
+ MINT(103)=MINT(11)
+ MINT(104)=MINT(12)
+
+C...Choice of process type - first event of pileup.
+ INMULT=0
+ IF(MINT(82).EQ.1.AND.(ISUB.LE.90.OR.ISUB.GT.96)) THEN
+
+C...For gamma-p or gamma-gamma first pick between alternatives.
+ IGA=0
+ IF(MINT(121).GT.1) CALL PYSAVE(4,IGA)
+ MINT(122)=IGA
+
+C...For real gamma + gamma with different nature, flip at random.
+ IF(MINT(11).EQ.22.AND.MINT(12).EQ.22.AND.MINT(123).GE.4.AND.
+ & MSTP(14).LE.10.AND.PYR(0).GT.0.5D0) THEN
+ MINTSV=MINT(41)
+ MINT(41)=MINT(42)
+ MINT(42)=MINTSV
+ MINTSV=MINT(45)
+ MINT(45)=MINT(46)
+ MINT(46)=MINTSV
+ MINTSV=MINT(107)
+ MINT(107)=MINT(108)
+ MINT(108)=MINTSV
+ IF(MINT(47).EQ.2.OR.MINT(47).EQ.3) MINT(47)=5-MINT(47)
+ ENDIF
+
+C...Pick process type.
+ RSUB=XSEC(0,1)*PYR(0)
+ DO 110 I=1,500
+ IF(MSUB(I).NE.1) GOTO 110
+ ISUB=I
+ RSUB=RSUB-XSEC(I,1)
+ IF(RSUB.LE.0D0) GOTO 120
+ 110 CONTINUE
+ 120 IF(ISUB.EQ.95) ISUB=96
+ IF(ISUB.EQ.96) INMULT=1
+
+C...Choice of inclusive process type - pileup events.
+ ELSEIF(MINT(82).GE.2.AND.ISUB.EQ.0) THEN
+ RSUB=VINT(131)*PYR(0)
+ ISUB=96
+ IF(RSUB.GT.SIGT(0,0,5)) ISUB=94
+ IF(RSUB.GT.SIGT(0,0,5)+SIGT(0,0,4)) ISUB=93
+ IF(RSUB.GT.SIGT(0,0,5)+SIGT(0,0,4)+SIGT(0,0,3)) ISUB=92
+ IF(RSUB.GT.SIGT(0,0,5)+SIGT(0,0,4)+SIGT(0,0,3)+SIGT(0,0,2))
+ & ISUB=91
+ IF(ISUB.EQ.96) INMULT=1
+ ENDIF
+
+C...Choice of photon energy and flux factor inside lepton.
+ IF(MINT(141).NE.0.OR.MINT(142).NE.0) THEN
+ CALL PYGAGA(3,WTGAGA)
+ IF(ISUB.GE.131.AND.ISUB.LE.140) THEN
+ CKIN(3)=MAX(VINT(285),VINT(154))
+ CKIN(1)=2D0*CKIN(3)
+ ENDIF
+C...When necessary set direct/resolved photon by hand.
+ ELSEIF(MINT(15).EQ.22.OR.MINT(16).EQ.22) THEN
+ IF(MINT(15).EQ.22.AND.MINT(41).EQ.2) MINT(15)=0
+ IF(MINT(16).EQ.22.AND.MINT(42).EQ.2) MINT(16)=0
+ ENDIF
+
+C...Restrict direct*resolved processes to pTmin >= Q,
+C...to avoid doublecounting with DIS.
+ IF(MSTP(18).EQ.3.AND.ISUB.GE.131.AND.ISUB.LE.136) THEN
+ IF(MINT(15).EQ.22) THEN
+ CKIN(3)=MAX(VINT(285),VINT(154),ABS(VINT(3)))
+ ELSE
+ CKIN(3)=MAX(VINT(285),VINT(154),ABS(VINT(4)))
+ ENDIF
+ CKIN(1)=2D0*CKIN(3)
+ ENDIF
+
+C...Set up for multiple interactions.
+ IF(INMULT.EQ.1) CALL PYMULT(2)
+
+C...Loopback point for minimum bias in photon physics.
+ LOOP2=0
+ 125 LOOP2=LOOP2+1
+ IF(MINT(82).EQ.1) NGEN(0,1)=NGEN(0,1)+MINT(143)
+ IF(MINT(82).EQ.1) NGEN(ISUB,1)=NGEN(ISUB,1)+MINT(143)
+ IF(ISUB.EQ.96.AND.LOOP2.EQ.1.AND.MINT(82).EQ.1)
+ &NGEN(97,1)=NGEN(97,1)+MINT(143)
+ MINT(1)=ISUB
+ ISTSB=ISET(ISUB)
+
+C...Random choice of flavour for some SUSY processes.
+ IF(ISUB.GE.201.AND.ISUB.LE.301) THEN
+C...~e_L ~nu_e or ~mu_L ~nu_mu.
+ IF(ISUB.EQ.210) THEN
+ KFPR(ISUB,1)=KSUSY1+11+2*INT(0.5D0+PYR(0))
+ KFPR(ISUB,2)=KFPR(ISUB,1)+1
+C...~nu_e ~nu_e(bar) or ~nu_mu ~nu_mu(bar).
+ ELSEIF(ISUB.EQ.213) THEN
+ KFPR(ISUB,1)=KSUSY1+12+2*INT(0.5D0+PYR(0))
+ KFPR(ISUB,2)=KFPR(ISUB,1)
+C...~q ~chi/~g; ~q = ~d, ~u, ~s, ~c or ~b.
+ ELSEIF(ISUB.GE.246.AND.ISUB.LE.259) THEN
+ IF(ISUB.GE.258) THEN
+ RKF=4D0
+ ELSE
+ RKF=5D0
+ ENDIF
+ IF(MOD(ISUB,2).EQ.0) THEN
+ KFPR(ISUB,1)=KSUSY1+1+INT(RKF*PYR(0))
+ ELSE
+ KFPR(ISUB,1)=KSUSY2+1+INT(RKF*PYR(0))
+ ENDIF
+C...~q1 ~q2; ~q = ~d, ~u, ~s, or ~c.
+ ELSEIF(ISUB.GE.271.AND.ISUB.LE.276) THEN
+ IF(ISUB.EQ.271.OR.ISUB.EQ.274) THEN
+ KSU1=KSUSY1
+ KSU2=KSUSY1
+ ELSEIF(ISUB.EQ.272.OR.ISUB.EQ.275) THEN
+ KSU1=KSUSY2
+ KSU2=KSUSY2
+ ELSEIF(PYR(0).LT.0.5D0) THEN
+ KSU1=KSUSY1
+ KSU2=KSUSY2
+ ELSE
+ KSU1=KSUSY2
+ KSU2=KSUSY1
+ ENDIF
+ KFPR(ISUB,1)=KSU1+1+INT(4D0*PYR(0))
+ KFPR(ISUB,2)=KSU2+1+INT(4D0*PYR(0))
+C...~q ~q(bar); ~q = ~d, ~u, ~s, or ~c.
+ ELSEIF(ISUB.EQ.277.OR.ISUB.EQ.279) THEN
+ KFPR(ISUB,1)=KSUSY1+1+INT(4D0*PYR(0))
+ KFPR(ISUB,2)=KFPR(ISUB,1)
+ ELSEIF(ISUB.EQ.278.OR.ISUB.EQ.280) THEN
+ KFPR(ISUB,1)=KSUSY2+1+INT(4D0*PYR(0))
+ KFPR(ISUB,2)=KFPR(ISUB,1)
+C...~q1 ~q2; ~q = ~d, ~u, ~s, or ~c.
+ ELSEIF(ISUB.GE.281.AND.ISUB.LE.286) THEN
+ IF(ISUB.EQ.281.OR.ISUB.EQ.284) THEN
+ KSU1=KSUSY1
+ KSU2=KSUSY1
+ ELSEIF(ISUB.EQ.282.OR.ISUB.EQ.285) THEN
+ KSU1=KSUSY2
+ KSU2=KSUSY2
+ ELSEIF(PYR(0).LT.0.5D0) THEN
+ KSU1=KSUSY1
+ KSU2=KSUSY2
+ ELSE
+ KSU1=KSUSY2
+ KSU2=KSUSY1
+ ENDIF
+ IF(ISUB.EQ.281.OR.ISUB.LE.283) THEN
+ RKF=5D0
+ ELSE
+ RKF=4D0
+ ENDIF
+ KFPR(ISUB,2)=KSU2+1+INT(RKF*PYR(0))
+ ENDIF
+ ENDIF
+
+C...Find resonances (explicit or implicit in cross-section).
+ MINT(72)=0
+ KFR1=0
+ IF(ISTSB.EQ.1.OR.ISTSB.EQ.3.OR.ISTSB.EQ.5) THEN
+ KFR1=KFPR(ISUB,1)
+ ELSEIF(ISUB.EQ.24.OR.ISUB.EQ.25.OR.ISUB.EQ.110.OR.ISUB.EQ.165.OR.
+ & ISUB.EQ.171.OR.ISUB.EQ.176) THEN
+ KFR1=23
+ ELSEIF(ISUB.EQ.23.OR.ISUB.EQ.26.OR.ISUB.EQ.166.OR.ISUB.EQ.172.OR.
+ & ISUB.EQ.177) THEN
+ KFR1=24
+ ELSEIF(ISUB.GE.71.AND.ISUB.LE.77) THEN
+ KFR1=25
+ IF(MSTP(46).EQ.5) THEN
+ KFR1=30
+ PMAS(30,1)=PARP(45)
+ PMAS(30,2)=PARP(45)**3/(96D0*PARU(1)*PARP(47)**2)
+ ENDIF
+ ELSEIF(ISUB.EQ.194) THEN
+ KFR1=54
+ ELSEIF(ISUB.EQ.195) THEN
+ KFR1=55
+ ELSEIF(ISUB.GE.361.AND.ISUB.LE.368) THEN
+ KFR1=54
+ ELSEIF(ISUB.GE.370.AND.ISUB.LE.377) THEN
+ KFR1=55
+ ENDIF
+ CKMX=CKIN(2)
+ IF(CKMX.LE.0D0) CKMX=VINT(1)
+ KCR1=PYCOMP(KFR1)
+ IF(KFR1.NE.0) THEN
+ IF(CKIN(1).GT.PMAS(KCR1,1)+20D0*PMAS(KCR1,2).OR.
+ & CKMX.LT.PMAS(KCR1,1)-20D0*PMAS(KCR1,2)) KFR1=0
+ ENDIF
+ IF(KFR1.NE.0) THEN
+ TAUR1=PMAS(KCR1,1)**2/VINT(2)
+ IF(KFR1.EQ.54) THEN
+ CALL PYTECM(S1,S2)
+ TAUR1=S1/VINT(2)
+ ENDIF
+ GAMR1=PMAS(KCR1,1)*PMAS(KCR1,2)/VINT(2)
+ MINT(72)=1
+ MINT(73)=KFR1
+ VINT(73)=TAUR1
+ VINT(74)=GAMR1
+ ENDIF
+ IF(ISUB.EQ.141.OR.ISUB.EQ.194.OR.(ISUB.GE.364.AND.ISUB.LE.368))
+ $THEN
+ KFR2=23
+ IF(ISUB.EQ.194) THEN
+ KFR2=56
+ ELSEIF(ISUB.GE.364.AND.ISUB.LE.368) THEN
+ KFR2=56
+ ENDIF
+ KCR2=PYCOMP(KFR2)
+ TAUR2=PMAS(KCR2,1)**2/VINT(2)
+ IF(KFR2.EQ.56) THEN
+ CALL PYTECM(S1,S2)
+ TAUR2=S2/VINT(2)
+ ENDIF
+ GAMR2=PMAS(KCR2,1)*PMAS(KCR2,2)/VINT(2)
+ IF(CKIN(1).GT.PMAS(KCR2,1)+20D0*PMAS(KCR2,2).OR.
+ & CKMX.LT.PMAS(KCR2,1)-20D0*PMAS(KCR2,2)) KFR2=0
+ IF(KFR2.NE.0.AND.KFR1.NE.0) THEN
+ MINT(72)=2
+ MINT(74)=KFR2
+ VINT(75)=TAUR2
+ VINT(76)=GAMR2
+ ELSEIF(KFR2.NE.0) THEN
+ KFR1=KFR2
+ TAUR1=TAUR2
+ GAMR1=GAMR2
+ MINT(72)=1
+ MINT(73)=KFR1
+ VINT(73)=TAUR1
+ VINT(74)=GAMR1
+ ENDIF
+ ENDIF
+
+C...Find product masses and minimum pT of process,
+C...optionally with broadening according to a truncated Breit-Wigner.
+ VINT(63)=0D0
+ VINT(64)=0D0
+ MINT(71)=0
+ VINT(71)=CKIN(3)
+ IF(MINT(82).GE.2) VINT(71)=0D0
+ VINT(80)=1D0
+ IF(ISTSB.EQ.2.OR.ISTSB.EQ.4) THEN
+ NBW=0
+ DO 140 I=1,2
+ PMMN(I)=0D0
+ IF(KFPR(ISUB,I).EQ.0) THEN
+ ELSEIF(MSTP(42).LE.0.OR.PMAS(PYCOMP(KFPR(ISUB,I)),2).LT.
+ & PARP(41)) THEN
+ VINT(62+I)=PMAS(PYCOMP(KFPR(ISUB,I)),1)**2
+ ELSE
+ NBW=NBW+1
+C...This prevents SUSY/t particles from becoming too light.
+ KFLW=KFPR(ISUB,I)
+ IF(KFLW/KSUSY1.EQ.1.OR.KFLW/KSUSY1.EQ.2) THEN
+ KCW=PYCOMP(KFLW)
+ PMMN(I)=PMAS(KCW,1)
+ DO 130 IDC=MDCY(KCW,2),MDCY(KCW,2)+MDCY(KCW,3)-1
+ IF(MDME(IDC,1).GT.0.AND.BRAT(IDC).GT.1E-4) THEN
+ PMSUM=PMAS(PYCOMP(KFDP(IDC,1)),1)+
+ & PMAS(PYCOMP(KFDP(IDC,2)),1)
+ IF(KFDP(IDC,3).NE.0) PMSUM=PMSUM+
+ & PMAS(PYCOMP(KFDP(IDC,3)),1)
+ PMMN(I)=MIN(PMMN(I),PMSUM)
+ ENDIF
+ 130 CONTINUE
+ ELSEIF(KFLW.EQ.6) THEN
+ PMMN(I)=PMAS(24,1)+PMAS(5,1)
+ ENDIF
+ ENDIF
+ 140 CONTINUE
+ IF(NBW.GE.1) THEN
+ CKIN41=CKIN(41)
+ CKIN43=CKIN(43)
+ CKIN(41)=MAX(PMMN(1),CKIN(41))
+ CKIN(43)=MAX(PMMN(2),CKIN(43))
+ CALL PYOFSH(4,0,KFPR(ISUB,1),KFPR(ISUB,2),0D0,PQM3,PQM4)
+ CKIN(41)=CKIN41
+ CKIN(43)=CKIN43
+ IF(MINT(51).EQ.1) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ IF(MFAIL.EQ.1) THEN
+ MSTI(61)=1
+ RETURN
+ ENDIF
+ GOTO 100
+ ENDIF
+ VINT(63)=PQM3**2
+ VINT(64)=PQM4**2
+ ENDIF
+ IF(MIN(VINT(63),VINT(64)).LT.CKIN(6)**2) MINT(71)=1
+ IF(MINT(71).EQ.1) VINT(71)=MAX(CKIN(3),CKIN(5))
+ ENDIF
+
+C...Prepare for additional variable choices in 2 -> 3.
+ IF(ISTSB.EQ.5) THEN
+ VINT(201)=0D0
+ IF(KFPR(ISUB,2).GT.0) VINT(201)=PMAS(PYCOMP(KFPR(ISUB,2)),1)
+ VINT(206)=VINT(201)
+ VINT(204)=PMAS(23,1)
+ IF(ISUB.EQ.124.OR.ISUB.EQ.351) VINT(204)=PMAS(24,1)
+ IF(ISUB.EQ.352) VINT(204)=PMAS(63,1)
+ IF(ISUB.EQ.121.OR.ISUB.EQ.122.OR.ISUB.EQ.181.OR.ISUB.EQ.182.OR.
+ & ISUB.EQ.186.OR.ISUB.EQ.187) VINT(204)=VINT(201)
+ VINT(209)=VINT(204)
+ ENDIF
+
+C...Select incoming VDM particle (rho/omega/phi/J/psi).
+ IF(ISTSB.NE.0.AND.(MINT(101).GE.2.OR.MINT(102).GE.2).AND.
+ &(MINT(123).EQ.2.OR.MINT(123).EQ.3.OR.MINT(123).EQ.7)) THEN
+ VRN=PYR(0)*SIGT(0,0,5)
+ IF(MINT(101).LE.1) THEN
+ I1MN=0
+ I1MX=0
+ ELSE
+ I1MN=1
+ I1MX=MINT(101)
+ ENDIF
+ IF(MINT(102).LE.1) THEN
+ I2MN=0
+ I2MX=0
+ ELSE
+ I2MN=1
+ I2MX=MINT(102)
+ ENDIF
+ DO 160 I1=I1MN,I1MX
+ KFV1=110*I1+3
+ DO 150 I2=I2MN,I2MX
+ KFV2=110*I2+3
+ VRN=VRN-SIGT(I1,I2,5)
+ IF(VRN.LE.0D0) GOTO 170
+ 150 CONTINUE
+ 160 CONTINUE
+ 170 IF(MINT(101).GE.2) MINT(103)=KFV1
+ IF(MINT(102).GE.2) MINT(104)=KFV2
+ ENDIF
+
+ IF(ISTSB.EQ.0) THEN
+C...Elastic scattering or single or double diffractive scattering.
+
+C...Select incoming particle (rho/omega/phi/J/psi for VDM) and mass.
+ MINT(103)=MINT(11)
+ MINT(104)=MINT(12)
+ PMM(1)=VINT(3)
+ PMM(2)=VINT(4)
+ IF(MINT(101).GE.2.OR.MINT(102).GE.2) THEN
+ JJ=ISUB-90
+ VRN=PYR(0)*SIGT(0,0,JJ)
+ IF(MINT(101).LE.1) THEN
+ I1MN=0
+ I1MX=0
+ ELSE
+ I1MN=1
+ I1MX=MINT(101)
+ ENDIF
+ IF(MINT(102).LE.1) THEN
+ I2MN=0
+ I2MX=0
+ ELSE
+ I2MN=1
+ I2MX=MINT(102)
+ ENDIF
+ DO 190 I1=I1MN,I1MX
+ KFV1=110*I1+3
+ DO 180 I2=I2MN,I2MX
+ KFV2=110*I2+3
+ VRN=VRN-SIGT(I1,I2,JJ)
+ IF(VRN.LE.0D0) GOTO 200
+ 180 CONTINUE
+ 190 CONTINUE
+ 200 IF(MINT(101).GE.2) THEN
+ MINT(103)=KFV1
+ PMM(1)=PYMASS(KFV1)
+ ENDIF
+ IF(MINT(102).GE.2) THEN
+ MINT(104)=KFV2
+ PMM(2)=PYMASS(KFV2)
+ ENDIF
+ ENDIF
+ VINT(67)=PMM(1)
+ VINT(68)=PMM(2)
+
+C...Select mass for GVMD states (rejecting previous assignment).
+ Q0S=4D0*PARP(15)**2
+ Q1S=4D0*VINT(154)**2
+ LOOP3=0
+ 202 LOOP3=LOOP3+1
+ DO 208 JT=1,2
+ IF(MINT(106+JT).EQ.3) THEN
+ PS=VINT(2+JT)**2
+ PMM(JT)=(Q0S+PS)*(Q1S+PS)/
+ & (Q0S+PYR(0)*(Q1S-Q0S)+PS)-PS
+ IF(MINT(102+JT).GE.333) PMM(JT)=PMM(JT)-
+ & PMAS(PYCOMP(113),1)+PMAS(PYCOMP(MINT(102+JT)),1)
+ ENDIF
+ 208 CONTINUE
+ IF(PMM(1)+PMM(2)+PARP(104).GE.VINT(1)) THEN
+ IF(LOOP3.LT.100.AND.(MINT(107).EQ.3.OR.MINT(108).EQ.3))
+ & GOTO 202
+ GOTO 100
+ ENDIF
+
+C...Side/sides of diffractive system.
+ MINT(17)=0
+ MINT(18)=0
+ IF(ISUB.EQ.92.OR.ISUB.EQ.94) MINT(17)=1
+ IF(ISUB.EQ.93.OR.ISUB.EQ.94) MINT(18)=1
+
+C...Find masses of particles and minimal masses of diffractive states.
+ DO 210 JT=1,2
+ PDIF(JT)=PMM(JT)
+ VINT(68+JT)=PDIF(JT)
+ IF(MINT(16+JT).EQ.1) PDIF(JT)=PDIF(JT)+PARP(102)
+ 210 CONTINUE
+ SH=VINT(2)
+ SQM1=PMM(1)**2
+ SQM2=PMM(2)**2
+ SQM3=PDIF(1)**2
+ SQM4=PDIF(2)**2
+ SMRES1=(PMM(1)+PMRC)**2
+ SMRES2=(PMM(2)+PMRC)**2
+
+C...Find elastic slope and lower limit diffractive slope.
+ IHA=MAX(2,IABS(MINT(103))/110)
+ IF(IHA.GE.5) IHA=1
+ IHB=MAX(2,IABS(MINT(104))/110)
+ IF(IHB.GE.5) IHB=1
+ IF(ISUB.EQ.91) THEN
+ BMN=2D0*BHAD(IHA)+2D0*BHAD(IHB)+4D0*SH**EPS-4.2D0
+ ELSEIF(ISUB.EQ.92) THEN
+ BMN=MAX(2D0,2D0*BHAD(IHB))
+ ELSEIF(ISUB.EQ.93) THEN
+ BMN=MAX(2D0,2D0*BHAD(IHA))
+ ELSEIF(ISUB.EQ.94) THEN
+ BMN=2D0*ALP*4D0
+ ENDIF
+
+C...Determine maximum possible t range and coefficient of generation.
+ SQLA12=(SH-SQM1-SQM2)**2-4D0*SQM1*SQM2
+ SQLA34=(SH-SQM3-SQM4)**2-4D0*SQM3*SQM4
+ THA=SH-(SQM1+SQM2+SQM3+SQM4)+(SQM1-SQM2)*(SQM3-SQM4)/SH
+ THB=SQRT(MAX(0D0,SQLA12))*SQRT(MAX(0D0,SQLA34))/SH
+ THC=(SQM3-SQM1)*(SQM4-SQM2)+(SQM1+SQM4-SQM2-SQM3)*
+ & (SQM1*SQM4-SQM2*SQM3)/SH
+ THL=-0.5D0*(THA+THB)
+ THU=THC/THL
+ THRND=EXP(MAX(-50D0,BMN*(THL-THU)))-1D0
+
+C...Select diffractive mass/masses according to dm^2/m^2.
+ LOOP3=0
+ 220 LOOP3=LOOP3+1
+ DO 230 JT=1,2
+ IF(MINT(16+JT).EQ.0) THEN
+ PDIF(2+JT)=PDIF(JT)
+ ELSE
+ PMMIN=PDIF(JT)
+ PMMAX=MAX(VINT(2+JT),VINT(1)-PDIF(3-JT))
+ PDIF(2+JT)=PMMIN*(PMMAX/PMMIN)**PYR(0)
+ ENDIF
+ 230 CONTINUE
+ SQM3=PDIF(3)**2
+ SQM4=PDIF(4)**2
+
+C..Additional mass factors, including resonance enhancement.
+ IF(PDIF(3)+PDIF(4).GE.VINT(1)) THEN
+ IF(LOOP3.LT.100) GOTO 220
+ GOTO 100
+ ENDIF
+ IF(ISUB.EQ.92) THEN
+ FSD=(1D0-SQM3/SH)*(1D0+CRES*SMRES1/(SMRES1+SQM3))
+ IF(FSD.LT.PYR(0)*(1D0+CRES)) GOTO 220
+ ELSEIF(ISUB.EQ.93) THEN
+ FSD=(1D0-SQM4/SH)*(1D0+CRES*SMRES2/(SMRES2+SQM4))
+ IF(FSD.LT.PYR(0)*(1D0+CRES)) GOTO 220
+ ELSEIF(ISUB.EQ.94) THEN
+ FDD=(1D0-(PDIF(3)+PDIF(4))**2/SH)*(SH*SMP/
+ & (SH*SMP+SQM3*SQM4))*(1D0+CRES*SMRES1/(SMRES1+SQM3))*
+ & (1D0+CRES*SMRES2/(SMRES2+SQM4))
+ IF(FDD.LT.PYR(0)*(1D0+CRES)**2) GOTO 220
+ ENDIF
+
+C...Select t according to exp(Bmn*t) and correct to right slope.
+ TH=THU+LOG(1D0+THRND*PYR(0))/BMN
+ IF(ISUB.GE.92) THEN
+ IF(ISUB.EQ.92) THEN
+ BADD=2D0*ALP*LOG(SH/SQM3)
+ IF(BHAD(IHB).LT.1D0) BADD=MAX(0D0,BADD+2D0*BHAD(IHB)-2D0)
+ ELSEIF(ISUB.EQ.93) THEN
+ BADD=2D0*ALP*LOG(SH/SQM4)
+ IF(BHAD(IHA).LT.1D0) BADD=MAX(0D0,BADD+2D0*BHAD(IHA)-2D0)
+ ELSEIF(ISUB.EQ.94) THEN
+ BADD=2D0*ALP*(LOG(EXP(4D0)+SH/(ALP*SQM3*SQM4))-4D0)
+ ENDIF
+ IF(EXP(MAX(-50D0,BADD*(TH-THU))).LT.PYR(0)) GOTO 220
+ ENDIF
+
+C...Check whether m^2 and t choices are consistent.
+ SQLA34=(SH-SQM3-SQM4)**2-4D0*SQM3*SQM4
+ THA=SH-(SQM1+SQM2+SQM3+SQM4)+(SQM1-SQM2)*(SQM3-SQM4)/SH
+ THB=SQRT(MAX(0D0,SQLA12))*SQRT(MAX(0D0,SQLA34))/SH
+ IF(THB.LE.1D-8) GOTO 220
+ THC=(SQM3-SQM1)*(SQM4-SQM2)+(SQM1+SQM4-SQM2-SQM3)*
+ & (SQM1*SQM4-SQM2*SQM3)/SH
+ THLM=-0.5D0*(THA+THB)
+ THUM=THC/THLM
+ IF(TH.LT.THLM.OR.TH.GT.THUM) GOTO 220
+
+C...Information to output.
+ VINT(21)=1D0
+ VINT(22)=0D0
+ VINT(23)=MIN(1D0,MAX(-1D0,(THA+2D0*TH)/THB))
+ VINT(45)=TH
+ VINT(59)=2D0*SQRT(MAX(0D0,-(THC+THA*TH+TH**2)))/THB
+ VINT(63)=PDIF(3)**2
+ VINT(64)=PDIF(4)**2
+
+C...Note: in the following, by In is meant the integral over the
+C...quantity multiplying coefficient cn.
+C...Choose tau according to h1(tau)/tau, where
+C...h1(tau) = c1 + I1/I2*c2*1/tau + I1/I3*c3*1/(tau+tau_R) +
+C...I1/I4*c4*tau/((s*tau-m^2)^2+(m*Gamma)^2) +
+C...I1/I5*c5*1/(tau+tau_R') +
+C...I1/I6*c6*tau/((s*tau-m'^2)^2+(m'*Gamma')^2) +
+C...I1/I7*c7*tau/(1.-tau), and
+C...c1 + c2 + c3 + c4 + c5 + c6 + c7 = 1.
+ ELSEIF(ISTSB.GE.1.AND.ISTSB.LE.5) THEN
+ CALL PYKLIM(1)
+ IF(MINT(51).NE.0) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ IF(MFAIL.EQ.1) THEN
+ MSTI(61)=1
+ RETURN
+ ENDIF
+ GOTO 100
+ ENDIF
+ RTAU=PYR(0)
+ MTAU=1
+ IF(RTAU.GT.COEF(ISUB,1)) MTAU=2
+ IF(RTAU.GT.COEF(ISUB,1)+COEF(ISUB,2)) MTAU=3
+ IF(RTAU.GT.COEF(ISUB,1)+COEF(ISUB,2)+COEF(ISUB,3)) MTAU=4
+ IF(RTAU.GT.COEF(ISUB,1)+COEF(ISUB,2)+COEF(ISUB,3)+COEF(ISUB,4))
+ & MTAU=5
+ IF(RTAU.GT.COEF(ISUB,1)+COEF(ISUB,2)+COEF(ISUB,3)+COEF(ISUB,4)+
+ & COEF(ISUB,5)) MTAU=6
+ IF(RTAU.GT.COEF(ISUB,1)+COEF(ISUB,2)+COEF(ISUB,3)+COEF(ISUB,4)+
+ & COEF(ISUB,5)+COEF(ISUB,6)) MTAU=7
+ CALL PYKMAP(1,MTAU,PYR(0))
+
+C...2 -> 3, 4 processes:
+C...Choose tau' according to h4(tau,tau')/tau', where
+C...h4(tau,tau') = c1 + I1/I2*c2*(1 - tau/tau')^3/tau' +
+C...I1/I3*c3*1/(1 - tau'), and c1 + c2 + c3 = 1.
+ IF(ISTSB.GE.3.AND.ISTSB.LE.5) THEN
+ CALL PYKLIM(4)
+ IF(MINT(51).NE.0) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ IF(MFAIL.EQ.1) THEN
+ MSTI(61)=1
+ RETURN
+ ENDIF
+ GOTO 100
+ ENDIF
+ RTAUP=PYR(0)
+ MTAUP=1
+ IF(RTAUP.GT.COEF(ISUB,18)) MTAUP=2
+ IF(RTAUP.GT.COEF(ISUB,18)+COEF(ISUB,19)) MTAUP=3
+ CALL PYKMAP(4,MTAUP,PYR(0))
+ ENDIF
+
+C...Choose y* according to h2(y*), where
+C...h2(y*) = I0/I1*c1*(y*-y*min) + I0/I2*c2*(y*max-y*) +
+C...I0/I3*c3*1/cosh(y*) + I0/I4*c4*1/(1-exp(y*-y*max)) +
+C...I0/I5*c5*1/(1-exp(-y*-y*min)), I0 = y*max-y*min,
+C...and c1 + c2 + c3 + c4 + c5 = 1.
+ CALL PYKLIM(2)
+ IF(MINT(51).NE.0) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ IF(MFAIL.EQ.1) THEN
+ MSTI(61)=1
+ RETURN
+ ENDIF
+ GOTO 100
+ ENDIF
+ RYST=PYR(0)
+ MYST=1
+ IF(RYST.GT.COEF(ISUB,8)) MYST=2
+ IF(RYST.GT.COEF(ISUB,8)+COEF(ISUB,9)) MYST=3
+ IF(RYST.GT.COEF(ISUB,8)+COEF(ISUB,9)+COEF(ISUB,10)) MYST=4
+ IF(RYST.GT.COEF(ISUB,8)+COEF(ISUB,9)+COEF(ISUB,10)+
+ & COEF(ISUB,11)) MYST=5
+ CALL PYKMAP(2,MYST,PYR(0))
+
+C...2 -> 2 processes:
+C...Choose cos(theta-hat) (cth) according to h3(cth), where
+C...h3(cth) = c0 + I0/I1*c1*1/(A - cth) + I0/I2*c2*1/(A + cth) +
+C...I0/I3*c3*1/(A - cth)^2 + I0/I4*c4*1/(A + cth)^2,
+C...A = 1 + 2*(m3*m4/sh)^2 (= 1 for massless products),
+C...and c0 + c1 + c2 + c3 + c4 = 1.
+ CALL PYKLIM(3)
+ IF(MINT(51).NE.0) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ IF(MFAIL.EQ.1) THEN
+ MSTI(61)=1
+ RETURN
+ ENDIF
+ GOTO 100
+ ENDIF
+ IF(ISTSB.EQ.2.OR.ISTSB.EQ.4) THEN
+ RCTH=PYR(0)
+ MCTH=1
+ IF(RCTH.GT.COEF(ISUB,13)) MCTH=2
+ IF(RCTH.GT.COEF(ISUB,13)+COEF(ISUB,14)) MCTH=3
+ IF(RCTH.GT.COEF(ISUB,13)+COEF(ISUB,14)+COEF(ISUB,15)) MCTH=4
+ IF(RCTH.GT.COEF(ISUB,13)+COEF(ISUB,14)+COEF(ISUB,15)+
+ & COEF(ISUB,16)) MCTH=5
+ CALL PYKMAP(3,MCTH,PYR(0))
+ ENDIF
+
+C...2 -> 3 : select pT1, phi1, pT2, phi2, y3 for 3 outgoing.
+ IF(ISTSB.EQ.5) THEN
+ CALL PYKMAP(5,0,0D0)
+ IF(MINT(51).NE.0) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ IF(MFAIL.EQ.1) THEN
+ MSTI(61)=1
+ RETURN
+ ENDIF
+ GOTO 100
+ ENDIF
+ ENDIF
+
+C...DIS as f + gamma* -> f process: set dummy values.
+ ELSEIF(ISTSB.EQ.8) THEN
+ VINT(21)=0.9D0
+ VINT(22)=0D0
+ VINT(23)=0D0
+ VINT(47)=0D0
+ VINT(48)=0D0
+
+C...Low-pT or multiple interactions (first semihard interaction).
+ ELSEIF(ISTSB.EQ.9) THEN
+ CALL PYMULT(3)
+ ISUB=MINT(1)
+
+C...Generate user-defined process: kinematics plus weight.
+ ELSEIF(ISTSB.EQ.11) THEN
+ MSTI(51)=0
+ CALL PYUPEV(ISUB,SIGS)
+ IF(NUP.LE.0) THEN
+ MINT(51)=2
+ MSTI(51)=1
+ IF(MINT(82).EQ.1) THEN
+ NGEN(0,1)=NGEN(0,1)-1
+ NGEN(0,2)=NGEN(0,2)-1
+ NGEN(ISUB,1)=NGEN(ISUB,1)-1
+ ENDIF
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ RETURN
+ ENDIF
+
+C...Construct 'trivial' kinematical variables needed.
+ KFL1=KUP(1,2)
+ KFL2=KUP(2,2)
+ VINT(41)=2D0*PUP(1,4)/VINT(1)
+ VINT(42)=2D0*PUP(2,4)/VINT(1)
+ VINT(21)=VINT(41)*VINT(42)
+ VINT(22)=0.5D0*LOG(VINT(41)/VINT(42))
+ VINT(44)=VINT(21)*VINT(2)
+ VINT(43)=SQRT(MAX(0D0,VINT(44)))
+ VINT(56)=Q2UP(0)
+ VINT(55)=SQRT(MAX(0D0,VINT(56)))
+
+C...Construct other kinematical variables needed (approximately).
+ VINT(23)=0D0
+ VINT(26)=VINT(21)
+ VINT(45)=-0.5D0*VINT(44)
+ VINT(46)=-0.5D0*VINT(44)
+ VINT(49)=VINT(43)
+ VINT(50)=VINT(44)
+ VINT(51)=VINT(55)
+ VINT(52)=VINT(56)
+ VINT(53)=VINT(55)
+ VINT(54)=VINT(56)
+ VINT(25)=0D0
+ VINT(48)=0D0
+ DO 240 IUP=3,NUP
+ IF(KUP(IUP,1).EQ.1) VINT(25)=VINT(25)+2D0*(PUP(IUP,5)**2+
+ & PUP(IUP,1)**2+PUP(IUP,2)**2)/VINT(2)
+ IF(KUP(IUP,1).EQ.1) VINT(48)=VINT(48)+0.5D0*(PUP(IUP,1)**2+
+ & PUP(IUP,2)**2)
+ 240 CONTINUE
+ VINT(47)=SQRT(VINT(48))
+
+C...Calculate parton distribution weights.
+ IF(MINT(47).GE.2) THEN
+ DO 260 I=3-MIN(2,MINT(45)),MIN(2,MINT(46))
+ MINT(105)=MINT(102+I)
+ MINT(109)=MINT(106+I)
+ VINT(120)=VINT(2+I)
+ IF(MSTP(57).LE.1) THEN
+ CALL PYPDFU(MINT(10+I),VINT(40+I),Q2UP(0),XPQ)
+ ELSE
+ CALL PYPDFL(MINT(10+I),VINT(40+I),Q2UP(0),XPQ)
+ ENDIF
+ DO 250 KFL=-25,25
+ XSFX(I,KFL)=XPQ(KFL)
+ 250 CONTINUE
+ 260 CONTINUE
+ ENDIF
+ ENDIF
+
+C...Choose azimuthal angle.
+ VINT(24)=PARU(2)*PYR(0)
+
+C...Check against user cuts on kinematics at parton level.
+ MINT(51)=0
+ IF((ISUB.LE.90.OR.ISUB.GT.100).AND.ISTSB.LE.10) CALL PYKLIM(0)
+ IF(MINT(51).NE.0) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ IF(MFAIL.EQ.1) THEN
+ MSTI(61)=1
+ RETURN
+ ENDIF
+ GOTO 100
+ ENDIF
+ IF(MINT(82).EQ.1.AND.MSTP(141).GE.1.AND.ISTSB.LE.10) THEN
+ MCUT=0
+ IF(MSUB(91)+MSUB(92)+MSUB(93)+MSUB(94)+MSUB(95).EQ.0)
+ & CALL PYKCUT(MCUT)
+ IF(MCUT.NE.0) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ IF(MFAIL.EQ.1) THEN
+ MSTI(61)=1
+ RETURN
+ ENDIF
+ GOTO 100
+ ENDIF
+ ENDIF
+
+C...Calculate differential cross-section for different subprocesses.
+ IF(ISTSB.LE.10) CALL PYSIGH(NCHN,SIGS)
+ SIGSOR=SIGS
+ SIGLPT=SIGT(0,0,5)*VINT(315)*VINT(316)
+
+C...Multiply cross section by lepton -> photon flux factor.
+ IF(MINT(141).NE.0.OR.MINT(142).NE.0) THEN
+ SIGS=WTGAGA*SIGS
+ DO 270 ICHN=1,NCHN
+ SIGH(ICHN)=WTGAGA*SIGH(ICHN)
+ 270 CONTINUE
+ SIGLPT=WTGAGA*SIGLPT
+ ENDIF
+
+C...Multiply cross-section by user-defined weights.
+ IF(MSTP(173).EQ.1) THEN
+ SIGS=PARP(173)*SIGS
+ DO 280 ICHN=1,NCHN
+ SIGH(ICHN)=PARP(173)*SIGH(ICHN)
+ 280 CONTINUE
+ SIGLPT=PARP(173)*SIGLPT
+ ENDIF
+ WTXS=1D0
+ SIGSWT=SIGS
+ VINT(99)=1D0
+ VINT(100)=1D0
+ IF(MINT(82).EQ.1.AND.MSTP(142).GE.1) THEN
+ IF(ISUB.NE.96.AND.MSUB(91)+MSUB(92)+MSUB(93)+MSUB(94)+
+ & MSUB(95).EQ.0) CALL PYEVWT(WTXS)
+ SIGSWT=WTXS*SIGS
+ VINT(99)=WTXS
+ IF(MSTP(142).EQ.1) VINT(100)=1D0/WTXS
+ ENDIF
+
+C...Calculations for Monte Carlo estimate of all cross-sections.
+ IF(MINT(82).EQ.1.AND.ISUB.LE.90.OR.ISUB.GE.96) THEN
+ IF(MSTP(142).LE.1) THEN
+ XSEC(ISUB,2)=XSEC(ISUB,2)+SIGS
+ ELSE
+ XSEC(ISUB,2)=XSEC(ISUB,2)+SIGSWT
+ ENDIF
+ ELSEIF(MINT(82).EQ.1) THEN
+ XSEC(ISUB,2)=XSEC(ISUB,2)+SIGS
+ ENDIF
+ IF((ISUB.EQ.95.OR.ISUB.EQ.96).AND.LOOP2.EQ.1.AND.
+ &MINT(82).EQ.1) XSEC(97,2)=XSEC(97,2)+SIGLPT
+
+C...Multiple interactions: store results of cross-section calculation.
+ IF(MINT(50).EQ.1.AND.MSTP(82).GE.3) THEN
+ VINT(153)=SIGSOR
+ CALL PYMULT(4)
+ ENDIF
+
+C...Check that weight not negative.
+ VIOL=SIGSWT/XSEC(ISUB,1)
+ IF(ISUB.EQ.96.AND.MSTP(173).EQ.1) VIOL=VIOL/PARP(174)
+ IF(MSTP(123).LE.0) THEN
+ IF(VIOL.LT.-1D-3) THEN
+ WRITE(MSTU(11),5000) VIOL,NGEN(0,3)+1
+ IF(MSTP(122).GE.1) WRITE(MSTU(11),5100) ISUB,VINT(21),
+ & VINT(22),VINT(23),VINT(26)
+ STOP
+ ENDIF
+ ELSE
+ IF(VIOL.LT.MIN(-1D-3,VINT(109))) THEN
+ VINT(109)=VIOL
+ WRITE(MSTU(11),5200) VIOL,NGEN(0,3)+1
+ IF(MSTP(122).GE.1) WRITE(MSTU(11),5100) ISUB,VINT(21),
+ & VINT(22),VINT(23),VINT(26)
+ ENDIF
+ ENDIF
+
+C...Weighting using estimate of maximum of differential cross-section.
+ IF(MFAIL.EQ.0.AND.ISUB.NE.95.AND.ISUB.NE.96) THEN
+ IF(VIOL.LT.PYR(0)) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ IF(ISUB.GE.91.AND.ISUB.LE.94) ISUB=0
+ GOTO 100
+ ENDIF
+ ELSEIF(MFAIL.EQ.0) THEN
+ RATND=SIGLPT/XSEC(95,1)
+ IF(LOOP2.EQ.1.AND.RATND.LT.PYR(0)) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ ISUB=0
+ GOTO 100
+ ENDIF
+ VIOL=VIOL/RATND
+ IF(VIOL.LT.PYR(0)) THEN
+ GOTO 125
+ ENDIF
+ ELSEIF(ISUB.NE.95.AND.ISUB.NE.96) THEN
+ IF(VIOL.LT.PYR(0)) THEN
+ MSTI(61)=1
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ RETURN
+ ENDIF
+ ELSE
+ RATND=SIGLPT/XSEC(95,1)
+ IF(LOOP.EQ.1.AND.RATND.LT.PYR(0)) THEN
+ MSTI(61)=1
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ RETURN
+ ENDIF
+ VIOL=VIOL/RATND
+ IF(VIOL.LT.PYR(0)) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ GOTO 100
+ ENDIF
+ ENDIF
+
+C...Check for possible violation of estimated maximum of differential
+C...cross-section used in weighting.
+ IF(MSTP(123).LE.0) THEN
+ IF(VIOL.GT.1D0) THEN
+ WRITE(MSTU(11),5300) VIOL,NGEN(0,3)+1
+ IF(MSTP(122).GE.2) WRITE(MSTU(11),5100) ISUB,VINT(21),
+ & VINT(22),VINT(23),VINT(26)
+ STOP
+ ENDIF
+ ELSEIF(MSTP(123).EQ.1) THEN
+ IF(VIOL.GT.VINT(108)) THEN
+ VINT(108)=VIOL
+ IF(VIOL.GT.1D0) THEN
+ MINT(10)=1
+ WRITE(MSTU(11),5400) VIOL,NGEN(0,3)+1
+ IF(MSTP(122).GE.2) WRITE(MSTU(11),5100) ISUB,VINT(21),
+ & VINT(22),VINT(23),VINT(26)
+ ENDIF
+ ENDIF
+ ELSEIF(VIOL.GT.VINT(108)) THEN
+ VINT(108)=VIOL
+ IF(VIOL.GT.1D0) THEN
+ MINT(10)=1
+ XDIF=XSEC(ISUB,1)*(VIOL-1D0)
+ XSEC(ISUB,1)=XSEC(ISUB,1)+XDIF
+ IF(MSUB(ISUB).EQ.1.AND.(ISUB.LE.90.OR.ISUB.GT.96))
+ & XSEC(0,1)=XSEC(0,1)+XDIF
+ WRITE(MSTU(11),5400) VIOL,NGEN(0,3)+1
+ IF(MSTP(122).GE.2) WRITE(MSTU(11),5100) ISUB,VINT(21),
+ & VINT(22),VINT(23),VINT(26)
+ IF(ISUB.LE.9) THEN
+ WRITE(MSTU(11),5500) ISUB,XSEC(ISUB,1)
+ ELSEIF(ISUB.LE.99) THEN
+ WRITE(MSTU(11),5600) ISUB,XSEC(ISUB,1)
+ ELSE
+ WRITE(MSTU(11),5700) ISUB,XSEC(ISUB,1)
+ ENDIF
+ VINT(108)=1D0
+ ENDIF
+ ENDIF
+
+C...Multiple interactions: choose impact parameter.
+ VINT(148)=1D0
+ IF(MINT(50).EQ.1.AND.(ISUB.LE.90.OR.ISUB.GE.96).AND.
+ &MSTP(82).GE.3) THEN
+ CALL PYMULT(5)
+ IF(VINT(150).LT.PYR(0)) THEN
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+ IF(MFAIL.EQ.1) THEN
+ MSTI(61)=1
+ RETURN
+ ENDIF
+ GOTO 100
+ ENDIF
+ ENDIF
+ IF(MINT(82).EQ.1) NGEN(0,2)=NGEN(0,2)+1
+ IF(MINT(82).EQ.1.AND.MSUB(95).EQ.1) THEN
+ IF(ISUB.LE.90.OR.ISUB.GE.95) NGEN(95,1)=NGEN(95,1)+MINT(143)
+ IF(ISUB.LE.90.OR.ISUB.GE.96) NGEN(96,2)=NGEN(96,2)+1
+ ENDIF
+ IF(ISUB.LE.90.OR.ISUB.GE.96) MINT(31)=MINT(31)+1
+
+C...Choose flavour of reacting partons (and subprocess).
+ IF(ISTSB.GE.11) GOTO 300
+ RSIGS=SIGS*PYR(0)
+ QT2=VINT(48)
+ RQQBAR=PARP(87)*(1D0-(QT2/(QT2+(PARP(88)*PARP(82)*
+ &(VINT(1)/PARP(89))**PARP(90))**2))**2)
+ IF(ISUB.NE.95.AND.(ISUB.NE.96.OR.MSTP(82).LE.1.OR.
+ &PYR(0).GT.RQQBAR)) THEN
+ DO 290 ICHN=1,NCHN
+ KFL1=ISIG(ICHN,1)
+ KFL2=ISIG(ICHN,2)
+ MINT(2)=ISIG(ICHN,3)
+ RSIGS=RSIGS-SIGH(ICHN)
+ IF(RSIGS.LE.0D0) GOTO 300
+ 290 CONTINUE
+
+C...Multiple interactions: choose qqbar preferentially at small pT.
+ ELSEIF(ISUB.EQ.96) THEN
+ MINT(105)=MINT(103)
+ MINT(109)=MINT(107)
+ CALL PYSPLI(MINT(11),21,KFL1,KFLDUM)
+ MINT(105)=MINT(104)
+ MINT(109)=MINT(108)
+ CALL PYSPLI(MINT(12),21,KFL2,KFLDUM)
+ MINT(1)=11
+ MINT(2)=1
+ IF(KFL1.EQ.KFL2.AND.PYR(0).LT.0.5D0) MINT(2)=2
+
+C...Low-pT: choose string drawing configuration.
+ ELSE
+ KFL1=21
+ KFL2=21
+ RSIGS=6D0*PYR(0)
+ MINT(2)=1
+ IF(RSIGS.GT.1D0) MINT(2)=2
+ IF(RSIGS.GT.2D0) MINT(2)=3
+ ENDIF
+
+C...Reassign QCD process. Partons before initial state radiation.
+ 300 IF(MINT(2).GT.10) THEN
+ MINT(1)=MINT(2)/10
+ MINT(2)=MOD(MINT(2),10)
+ ENDIF
+ IF(MINT(82).EQ.1.AND.MSTP(111).GE.0) NGEN(MINT(1),2)=
+ &NGEN(MINT(1),2)+1
+ MINT(15)=KFL1
+ MINT(16)=KFL2
+ MINT(13)=MINT(15)
+ MINT(14)=MINT(16)
+ VINT(141)=VINT(41)
+ VINT(142)=VINT(42)
+ VINT(151)=0D0
+ VINT(152)=0D0
+
+C...Calculate x value of photon for parton inside photon inside e.
+ DO 330 JT=1,2
+ MINT(18+JT)=0
+ VINT(154+JT)=0D0
+ MSPLI=0
+ IF(JT.EQ.1.AND.MINT(43).LE.2) MSPLI=1
+ IF(JT.EQ.2.AND.MOD(MINT(43),2).EQ.1) MSPLI=1
+ IF(IABS(MINT(14+JT)).LE.8.OR.MINT(14+JT).EQ.21) MSPLI=MSPLI+1
+ IF(MSPLI.EQ.2) THEN
+ KFLH=MINT(14+JT)
+ XHRD=VINT(140+JT)
+ Q2HRD=VINT(54)
+ MINT(105)=MINT(102+JT)
+ MINT(109)=MINT(106+JT)
+ VINT(120)=VINT(2+JT)
+ IF(MSTP(57).LE.1) THEN
+ CALL PYPDFU(22,XHRD,Q2HRD,XPQ)
+ ELSE
+ CALL PYPDFL(22,XHRD,Q2HRD,XPQ)
+ ENDIF
+ WTMX=4D0*XPQ(KFLH)
+ IF(MSTP(13).EQ.2) THEN
+ Q2PMS=Q2HRD/PMAS(11,1)**2
+ WTMX=WTMX*LOG(MAX(2D0,Q2PMS*(1D0-XHRD)/XHRD**2))
+ ENDIF
+ 310 XE=XHRD**PYR(0)
+ XG=MIN(1D0-1D-10,XHRD/XE)
+ IF(MSTP(57).LE.1) THEN
+ CALL PYPDFU(22,XG,Q2HRD,XPQ)
+ ELSE
+ CALL PYPDFL(22,XG,Q2HRD,XPQ)
+ ENDIF
+ WT=(1D0+(1D0-XE)**2)*XPQ(KFLH)
+ IF(MSTP(13).EQ.2) WT=WT*LOG(MAX(2D0,Q2PMS*(1D0-XE)/XE**2))
+ IF(WT.LT.PYR(0)*WTMX) GOTO 310
+ MINT(18+JT)=1
+ VINT(154+JT)=XE
+ DO 320 KFLS=-25,25
+ XSFX(JT,KFLS)=XPQ(KFLS)
+ 320 CONTINUE
+ ENDIF
+ 330 CONTINUE
+
+C...Pick scale where photon is resolved.
+ Q0S=PARP(15)**2
+ Q1S=VINT(154)**2
+ VINT(283)=0D0
+ IF(MINT(107).EQ.3) THEN
+ IF(MSTP(66).EQ.1) THEN
+ VINT(283)=Q0S*(VINT(54)/Q0S)**PYR(0)
+ ELSEIF(MSTP(66).EQ.2) THEN
+ PS=VINT(3)**2
+ Q2EFF=VINT(54)*((Q0S+PS)/(VINT(54)+PS))*
+ & EXP(PS*(VINT(54)-Q0S)/((VINT(54)+PS)*(Q0S+PS)))
+ Q2INT=SQRT(Q0S*Q2EFF)
+ VINT(283)=Q2INT*(VINT(54)/Q2INT)**PYR(0)
+ ELSEIF(MSTP(66).EQ.3) THEN
+ VINT(283)=Q0S*(Q1S/Q0S)**PYR(0)
+ ELSEIF(MSTP(66).GE.4) THEN
+ PS=0.25D0*VINT(3)**2
+ VINT(283)=(Q0S+PS)*(Q1S+PS)/
+ & (Q0S+PYR(0)*(Q1S-Q0S)+PS)-PS
+ ENDIF
+ ENDIF
+ VINT(284)=0D0
+ IF(MINT(108).EQ.3) THEN
+ IF(MSTP(66).EQ.1) THEN
+ VINT(284)=Q0S*(VINT(54)/Q0S)**PYR(0)
+ ELSEIF(MSTP(66).EQ.2) THEN
+ PS=VINT(4)**2
+ Q2EFF=VINT(54)*((Q0S+PS)/(VINT(54)+PS))*
+ & EXP(PS*(VINT(54)-Q0S)/((VINT(54)+PS)*(Q0S+PS)))
+ Q2INT=SQRT(Q0S*Q2EFF)
+ VINT(284)=Q2INT*(VINT(54)/Q2INT)**PYR(0)
+ ELSEIF(MSTP(66).EQ.3) THEN
+ VINT(284)=Q0S*(Q1S/Q0S)**PYR(0)
+ ELSEIF(MSTP(66).GE.4) THEN
+ PS=0.25D0*VINT(4)**2
+ VINT(284)=(Q0S+PS)*(Q1S+PS)/
+ & (Q0S+PYR(0)*(Q1S-Q0S)+PS)-PS
+ ENDIF
+ ENDIF
+ IF(MINT(121).GT.1) CALL PYSAVE(2,IGA)
+
+C...Format statements for differential cross-section maximum violations.
+ 5000 FORMAT(/1X,'Error: negative cross-section fraction',1P,D11.3,1X,
+ &'in event',1X,I7,'D0'/1X,'Execution stopped!')
+ 5100 FORMAT(1X,'ISUB = ',I3,'; Point of violation:'/1X,'tau =',1P,
+ &D11.3,', y* =',D11.3,', cthe = ',0P,F11.7,', tau'' =',1P,D11.3)
+ 5200 FORMAT(/1X,'Warning: negative cross-section fraction',1P,D11.3,1X,
+ &'in event',1X,I7)
+ 5300 FORMAT(/1X,'Error: maximum violated by',1P,D11.3,1X,
+ &'in event',1X,I7,'D0'/1X,'Execution stopped!')
+ 5400 FORMAT(/1X,'Advisory warning: maximum violated by',1P,D11.3,1X,
+ &'in event',1X,I7)
+ 5500 FORMAT(1X,'XSEC(',I1,',1) increased to',1P,D11.3)
+ 5600 FORMAT(1X,'XSEC(',I2,',1) increased to',1P,D11.3)
+ 5700 FORMAT(1X,'XSEC(',I3,',1) increased to',1P,D11.3)
+
+ RETURN
+ END
+
+C*********************************************************************
+
+C...PYSCAT
+C...Finds outgoing flavours and event type; sets up the kinematics
+C...and colour flow of the hard scattering
+
+ SUBROUTINE PYSCAT
+
+C...Double precision and integer declarations
+ IMPLICIT DOUBLE PRECISION(A-H, O-Z)
+ IMPLICIT INTEGER(I-N)
+ INTEGER PYK,PYCHGE,PYCOMP
+C...Parameter statement to help give large particle numbers.
+ PARAMETER (KSUSY1=1000000,KSUSY2=2000000,KEXCIT=4000000)
+C...Commonblocks
+ COMMON/PYJETS/N,NPAD,K(4000,5),P(4000,5),V(4000,5)
+ COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
+ COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
+ COMMON/PYDAT3/MDCY(500,3),MDME(4000,2),BRAT(4000),KFDP(4000,5)
+ COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
+ COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
+ COMMON/PYINT1/MINT(400),VINT(400)
+ COMMON/PYINT2/ISET(500),KFPR(500,2),COEF(500,20),ICOL(40,4,2)
+ COMMON/PYINT3/XSFX(2,-40:40),ISIG(1000,3),SIGH(1000)
+ COMMON/PYINT4/MWID(500),WIDS(500,5)
+ COMMON/PYINT5/NGENPD,NGEN(0:500,3),XSEC(0:500,3)
+ COMMON/PYUPPR/NUP,KUP(20,7),NFUP,IFUP(10,2),PUP(20,5),Q2UP(0:10)
+ COMMON/PYSSMT/ZMIX(4,4),UMIX(2,2),VMIX(2,2),SMZ(4),SMW(2),
+ &SFMIX(16,4)
+ SAVE /PYJETS/,/PYDAT1/,/PYDAT2/,/PYDAT3/,/PYSUBS/,/PYPARS/,
+ &/PYINT1/,/PYINT2/,/PYINT3/,/PYINT4/,/PYINT5/,/PYUPPR/,/PYSSMT/
+C...Local arrays and saved variables
+ DIMENSION WDTP(0:200),WDTE(0:200,0:5),PMQ(2),Z(2),CTHE(2),
+ &PHI(2),KUPPO(20),VINTSV(41:66)
+ SAVE VINTSV
+
+C...Read out process
+ ISUB=MINT(1)
+ ISUBSV=ISUB
+
+C...Restore information for low-pT processes
+ IF(ISUB.EQ.95.AND.MINT(57).GE.1) THEN
+ DO 100 J=41,66
+ 100 VINT(J)=VINTSV(J)
+ ENDIF
+
+C...Convert H' or A process into equivalent H one
+ IHIGG=1
+ KFHIGG=25
+ IF((ISUB.GE.151.AND.ISUB.LE.160).OR.(ISUB.GE.171.AND.
+ &ISUB.LE.190)) THEN
+ IHIGG=2
+ IF(MOD(ISUB-1,10).GE.5) IHIGG=3
+ KFHIGG=33+IHIGG
+ IF(ISUB.EQ.151.OR.ISUB.EQ.156) ISUB=3
+ IF(ISUB.EQ.152.OR.ISUB.EQ.157) ISUB=102
+ IF(ISUB.EQ.153.OR.ISUB.EQ.158) ISUB=103
+ IF(ISUB.EQ.171.OR.ISUB.EQ.176) ISUB=24
+ IF(ISUB.EQ.172.OR.ISUB.EQ.177) ISUB=26
+ IF(ISUB.EQ.173.OR.ISUB.EQ.178) ISUB=123
+ IF(ISUB.EQ.174.OR.ISUB.EQ.179) ISUB=124
+ IF(ISUB.EQ.181.OR.ISUB.EQ.186) ISUB=121
+ IF(ISUB.EQ.182.OR.ISUB.EQ.187) ISUB=122
+ ENDIF
+
+C...Choice of subprocess, number of documentation lines
+ IDOC=6+ISET(ISUB)
+ IF(ISUB.EQ.95) IDOC=8
+ IF(ISET(ISUB).EQ.5) IDOC=9
+ IF(ISET(ISUB).EQ.11) IDOC=4+NUP
+ MINT(3)=IDOC-6
+ IF(IDOC.GE.9.AND.ISET(ISUB).LE.4) IDOC=IDOC+2
+ MINT(4)=IDOC
+ IPU1=MINT(84)+1
+ IPU2=MINT(84)+2
+ IPU3=MINT(84)+3
+ IPU4=MINT(84)+4
+ IPU5=MINT(84)+5
+ IPU6=MINT(84)+6
+
+C...Reset K, P and V vectors. Store incoming particles
+ DO 120 JT=1,MSTP(126)+20
+ I=MINT(83)+JT
+ DO 110 J=1,5
+ K(I,J)=0
+ P(I,J)=0D0
+ V(I,J)=0D0
+ 110 CONTINUE
+ 120 CONTINUE
+ DO 140 JT=1,2
+ I=MINT(83)+JT
+ K(I,1)=21
+ K(I,2)=MINT(10+JT)
+ DO 130 J=1,5
+ P(I,J)=VINT(285+5*JT+J)
+ 130 CONTINUE
+ 140 CONTINUE
+ MINT(6)=2
+ KFRES=0
+
+C...Store incoming partons in their CM-frame
+ SH=VINT(44)
+ SHR=SQRT(SH)
+ SHP=VINT(26)*VINT(2)
+ SHPR=SQRT(SHP)
+ SHUSER=SHR
+ IF(ISET(ISUB).GE.3.AND.ISET(ISUB).LE.5) SHUSER=SHPR
+ DO 150 JT=1,2
+ I=MINT(84)+JT
+ K(I,1)=14
+ K(I,2)=MINT(14+JT)
+ K(I,3)=MINT(83)+2+JT
+ P(I,3)=0.5D0*SHUSER*(-1D0)**(JT-1)
+ P(I,4)=0.5D0*SHUSER
+ 150 CONTINUE
+
+C...Copy incoming partons to documentation lines
+ DO 170 JT=1,2
+ I1=MINT(83)+4+JT
+ I2=MINT(84)+JT
+ K(I1,1)=21
+ K(I1,2)=K(I2,2)
+ K(I1,3)=I1-2
+ DO 160 J=1,5
+ P(I1,J)=P(I2,J)
+ 160 CONTINUE
+ 170 CONTINUE
+
+C...Choose new quark/lepton flavour for relevant annihilation graphs
+ IF(ISUB.EQ.12.OR.ISUB.EQ.53.OR.ISUB.EQ.54.OR.ISUB.EQ.58.OR.
+ &(ISUB.GE.135.AND.ISUB.LE.140)) THEN
+ IGLGA=21
+ IF(ISUB.EQ.58.OR.(ISUB.GE.137.AND.ISUB.LE.140)) IGLGA=22
+ CALL PYWIDT(IGLGA,SH,WDTP,WDTE)
+ 180 RKFL=(WDTE(0,1)+WDTE(0,2)+WDTE(0,4))*PYR(0)
+ DO 190 I=1,MDCY(IGLGA,3)
+ KFLF=KFDP(I+MDCY(IGLGA,2)-1,1)
+ RKFL=RKFL-(WDTE(I,1)+WDTE(I,2)+WDTE(I,4))
+ IF(RKFL.LE.0D0) GOTO 200
+ 190 CONTINUE
+ 200 CONTINUE
+ IF(ISUB.EQ.12.AND.MSTP(5).EQ.1.AND.IABS(MINT(15)).LE.2.AND.
+ & IABS(KFLF).GE.3) THEN
+ FACQQB=VINT(58)**2*4D0/9D0*(VINT(45)**2+VINT(46)**2)/
+ & VINT(44)**2
+ FACCIB=VINT(46)**2/PARU(155)**4
+ IF(FACQQB/(FACQQB+FACCIB).LT.PYR(0)) GOTO 180
+ ELSEIF(ISUB.EQ.54.OR.ISUB.EQ.135.OR.ISUB.EQ.136) THEN
+ IF((KCHG(PYCOMP(KFLF),1)/2D0)**2.LT.PYR(0)) GOTO 180
+ ELSEIF(ISUB.EQ.58.OR.(ISUB.GE.137.AND.ISUB.LE.140)) THEN
+ IF((KCHG(PYCOMP(KFLF),1)/3D0)**2.LT.PYR(0)) GOTO 180
+ ENDIF
+ ENDIF
+
+C...Final state flavours and colour flow: default values
+ JS=1
+ MINT(21)=MINT(15)
+ MINT(22)=MINT(16)
+ MINT(23)=0
+ MINT(24)=0
+ KCC=20
+ KCS=ISIGN(1,MINT(15))
+
+ IF(ISET(ISUB).EQ.11) THEN
+C...User-defined processes: find products
+ IRUP=0
+ DO 210 IUP=3,NUP
+ IF(KUP(IUP,1).NE.1) THEN
+ ELSEIF(IRUP.LE.5) THEN
+ IRUP=IRUP+1
+ MINT(20+IRUP)=KUP(IUP,2)
+ ENDIF
+ 210 CONTINUE
+
+ ELSEIF(ISUB.LE.10) THEN
+ IF(ISUB.EQ.1) THEN
+C...f + fbar -> gamma*/Z0
+ KFRES=23
+
+ ELSEIF(ISUB.EQ.2) THEN
+C...f + fbar' -> W+/-
+ KCH1=KCHG(IABS(MINT(15)),1)*ISIGN(1,MINT(15))
+ KCH2=KCHG(IABS(MINT(16)),1)*ISIGN(1,MINT(16))
+ KFRES=ISIGN(24,KCH1+KCH2)
+
+ ELSEIF(ISUB.EQ.3) THEN
+C...f + fbar -> h0 (or H0, or A0)
+ KFRES=KFHIGG
+
+ ELSEIF(ISUB.EQ.4) THEN
+C...gamma + W+/- -> W+/-
+
+ ELSEIF(ISUB.EQ.5) THEN
+C...Z0 + Z0 -> h0
+ XH=SH/SHP
+ MINT(21)=MINT(15)
+ MINT(22)=MINT(16)
+ PMQ(1)=PYMASS(MINT(21))
+ PMQ(2)=PYMASS(MINT(22))
+ 220 JT=INT(1.5D0+PYR(0))
+ ZMIN=2D0*PMQ(JT)/SHPR
+ ZMAX=1D0-PMQ(3-JT)/SHPR-(SH-PMQ(JT)**2)/
+ & (SHPR*(SHPR-PMQ(3-JT)))
+ ZMAX=MIN(1D0-XH,ZMAX)
+ Z(JT)=ZMIN+(ZMAX-ZMIN)*PYR(0)
+ IF(-1D0+(1D0+XH)/(1D0-Z(JT))-XH/(1D0-Z(JT))**2.LT.
+ & (1D0-XH)**2/(4D0*XH)*PYR(0)) GOTO 220
+ SQC1=1D0-4D0*PMQ(JT)**2/(Z(JT)**2*SHP)
+ IF(SQC1.LT.1D-8) GOTO 220
+ C1=SQRT(SQC1)
+ C2=1D0+2D0*(PMAS(23,1)**2-PMQ(JT)**2)/(Z(JT)*SHP)
+ CTHE(JT)=(C2-(C2**2-C1**2)/(C2+(2D0*PYR(0)-1D0)*C1))/C1
+ CTHE(JT)=MIN(1D0,MAX(-1D0,CTHE(JT)))
+ Z(3-JT)=1D0-XH/(1D0-Z(JT))
+ SQC1=1D0-4D0*PMQ(3-JT)**2/(Z(3-JT)**2*SHP)
+ IF(SQC1.LT.1D-8) GOTO 220
+ C1=SQRT(SQC1)
+ C2=1D0+2D0*(PMAS(23,1)**2-PMQ(3-JT)**2)/(Z(3-JT)*SHP)
+ CTHE(3-JT)=(C2-(C2**2-C1**2)/(C2+(2D0*PYR(0)-1D0)*C1))/C1
+ CTHE(3-JT)=MIN(1D0,MAX(-1D0,CTHE(3-JT)))
+ PHIR=PARU(2)*PYR(0)
+ CPHI=COS(PHIR)
+ ANG=CTHE(1)*CTHE(2)-SQRT(1D0-CTHE(1)**2)*
+ & SQRT(1D0-CTHE(2)**2)*CPHI
+ Z1=2D0-Z(JT)
+ Z2=ANG*SQRT(Z(JT)**2-4D0*PMQ(JT)**2/SHP)
+ Z3=1D0-Z(JT)-XH+(PMQ(1)**2+PMQ(2)**2)/SHP
+ Z(3-JT)=2D0/(Z1**2-Z2**2)*(Z1*Z3+Z2*SQRT(Z3**2-(Z1**2-Z2**2)*
+ & PMQ(3-JT)**2/SHP))
+ ZMIN=2D0*PMQ(3-JT)/SHPR
+ ZMAX=1D0-PMQ(JT)/SHPR-(SH-PMQ(3-JT)**2)/(SHPR*(SHPR-PMQ(JT)))
+ ZMAX=MIN(1D0-XH,ZMAX)
+ IF(Z(3-JT).LT.ZMIN.OR.Z(3-JT).GT.ZMAX) GOTO 220
+ KCC=22
+ KFRES=25
+
+ ELSEIF(ISUB.EQ.6) THEN
+C...Z0 + W+/- -> W+/-
+
+ ELSEIF(ISUB.EQ.7) THEN
+C...W+ + W- -> Z0
+
+ ELSEIF(ISUB.EQ.8) THEN
+C...W+ + W- -> h0
+ XH=SH/SHP
+ 230 DO 260 JT=1,2
+ I=MINT(14+JT)
+ IA=IABS(I)
+ IF(IA.LE.10) THEN
+ RVCKM=VINT(180+I)*PYR(0)
+ DO 240 J=1,MSTP(1)
+ IB=2*J-1+MOD(IA,2)
+ IPM=(5-ISIGN(1,I))/2
+ IDC=J+MDCY(IA,2)+2
+ IF(MDME(IDC,1).NE.1.AND.MDME(IDC,1).NE.IPM) GOTO 240
+ MINT(20+JT)=ISIGN(IB,I)
+ RVCKM=RVCKM-VCKM((IA+1)/2,(IB+1)/2)
+ IF(RVCKM.LE.0D0) GOTO 250
+ 240 CONTINUE
+ ELSE
+ IB=2*((IA+1)/2)-1+MOD(IA,2)
+ MINT(20+JT)=ISIGN(IB,I)
+ ENDIF
+ 250 PMQ(JT)=PYMASS(MINT(20+JT))
+ 260 CONTINUE
+ JT=INT(1.5D0+PYR(0))
+ ZMIN=2D0*PMQ(JT)/SHPR
+ ZMAX=1D0-PMQ(3-JT)/SHPR-(SH-PMQ(JT)**2)/
+ & (SHPR*(SHPR-PMQ(3-JT)))
+ ZMAX=MIN(1D0-XH,ZMAX)
+ IF(ZMIN.GE.ZMAX) GOTO 230
+ Z(JT)=ZMIN+(ZMAX-ZMIN)*PYR(0)
+ IF(-1D0+(1D0+XH)/(1D0-Z(JT))-XH/(1D0-Z(JT))**2.LT.
+ & (1D0-XH)**2/(4D0*XH)*PYR(0)) GOTO 230
+ SQC1=1D0-4D0*PMQ(JT)**2/(Z(JT)**2*SHP)
+ IF(SQC1.LT.1D-8) GOTO 230
+ C1=SQRT(SQC1)
+ C2=1D0+2D0*(PMAS(24,1)**2-PMQ(JT)**2)/(Z(JT)*SHP)
+ CTHE(JT)=(C2-(C2**2-C1**2)/(C2+(2D0*PYR(0)-1D0)*C1))/C1
+ CTHE(JT)=MIN(1D0,MAX(-1D0,CTHE(JT)))
+ Z(3-JT)=1D0-XH/(1D0-Z(JT))
+ SQC1=1D0-4D0*PMQ(3-JT)**2/(Z(3-JT)**2*SHP)
+ IF(SQC1.LT.1D-8) GOTO 230
+ C1=SQRT(SQC1)
+ C2=1D0+2D0*(PMAS(24,1)**2-PMQ(3-JT)**2)/(Z(3-JT)*SHP)
+ CTHE(3-JT)=(C2-(C2**2-C1**2)/(C2+(2D0*PYR(0)-1D0)*C1))/C1
+ CTHE(3-JT)=MIN(1D0,MAX(-1D0,CTHE(3-JT)))
+ PHIR=PARU(2)*PYR(0)
+ CPHI=COS(PHIR)
+ ANG=CTHE(1)*CTHE(2)-SQRT(1D0-CTHE(1)**2)*
+ & SQRT(1D0-CTHE(2)**2)*CPHI
+ Z1=2D0-Z(JT)
+ Z2=ANG*SQRT(Z(JT)**2-4D0*PMQ(JT)**2/SHP)
+ Z3=1D0-Z(JT)-XH+(PMQ(1)**2+PMQ(2)**2)/SHP
+ Z(3-JT)=2D0/(Z1**2-Z2**2)*(Z1*Z3+Z2*SQRT(Z3**2-(Z1**2-Z2**2)*
+ & PMQ(3-JT)**2/SHP))
+ ZMIN=2D0*PMQ(3-JT)/SHPR
+ ZMAX=1D0-PMQ(JT)/SHPR-(SH-PMQ(3-JT)**2)/(SHPR*(SHPR-PMQ(JT)))
+ ZMAX=MIN(1D0-XH,ZMAX)
+ IF(Z(3-JT).LT.ZMIN.OR.Z(3-JT).GT.ZMAX) GOTO 230
+ KCC=22
+ KFRES=25
+
+ ELSEIF(ISUB.EQ.10) THEN
+C...f + f' -> f + f' (gamma/Z/W exchange); th = (p(f)-p(f))**2
+ IF(MINT(2).EQ.1) THEN
+ KCC=22
+ ELSE
+C...W exchange: need to mix flavours according to CKM matrix
+ DO 280 JT=1,2
+ I=MINT(14+JT)
+ IA=IABS(I)
+ IF(IA.LE.10) THEN
+ RVCKM=VINT(180+I)*PYR(0)
+ DO 270 J=1,MSTP(1)
+ IB=2*J-1+MOD(IA,2)
+ IPM=(5-ISIGN(1,I))/2
+ IDC=J+MDCY(IA,2)+2
+ IF(MDME(IDC,1).NE.1.AND.MDME(IDC,1).NE.IPM) GOTO 270
+ MINT(20+JT)=ISIGN(IB,I)
+ RVCKM=RVCKM-VCKM((IA+1)/2,(IB+1)/2)
+ IF(RVCKM.LE.0D0) GOTO 280
+ 270 CONTINUE
+ ELSE
+ IB=2*((IA+1)/2)-1+MOD(IA,2)
+ MINT(20+JT)=ISIGN(IB,I)
+ ENDIF
+ 280 CONTINUE
+ KCC=22
+ ENDIF
+ ENDIF
+
+ ELSEIF(ISUB.LE.20) THEN
+ IF(ISUB.EQ.11) THEN
+C...f + f' -> f + f' (g exchange); th = (p(f)-p(f))**2
+ KCC=MINT(2)
+ IF(MINT(15)*MINT(16).LT.0) KCC=KCC+2
+
+ ELSEIF(ISUB.EQ.12) THEN
+C...f + fbar -> f' + fbar'; th = (p(f)-p(f'))**2
+ MINT(21)=ISIGN(KFLF,MINT(15))
+ MINT(22)=-MINT(21)
+ KCC=4
+
+ ELSEIF(ISUB.EQ.13) THEN
+C...f + fbar -> g + g; th arbitrary
+ MINT(21)=21
+ MINT(22)=21
+ KCC=MINT(2)+4
+
+ ELSEIF(ISUB.EQ.14) THEN
+C...f + fbar -> g + gamma; th arbitrary
+ IF(PYR(0).GT.0.5D0) JS=2
+ MINT(20+JS)=21
+ MINT(23-JS)=22
+ KCC=17+JS
+
+ ELSEIF(ISUB.EQ.15) THEN
+C...f + fbar -> g + Z0; th arbitrary
+ IF(PYR(0).GT.0.5D0) JS=2
+ MINT(20+JS)=21
+ MINT(23-JS)=23
+ KCC=17+JS
+
+ ELSEIF(ISUB.EQ.16) THEN
+C...f + fbar' -> g + W+/-; th = (p(f)-p(W-))**2 or (p(fbar')-p(W+))**2
+ KCH1=KCHG(IABS(MINT(15)),1)*ISIGN(1,MINT(15))
+ KCH2=KCHG(IABS(MINT(16)),1)*ISIGN(1,MINT(16))
+ IF(MINT(15)*(KCH1+KCH2).LT.0) JS=2
+ MINT(20+JS)=21
+ MINT(23-JS)=ISIGN(24,KCH1+KCH2)
+ KCC=17+JS
+
+ ELSEIF(ISUB.EQ.17) THEN
+C...f + fbar -> g + h0; th arbitrary
+ IF(PYR(0).GT.0.5D0) JS=2
+ MINT(20+JS)=21
+ MINT(23-JS)=25
+ KCC=17+JS
+
+ ELSEIF(ISUB.EQ.18) THEN
+C...f + fbar -> gamma + gamma; th arbitrary
+ MINT(21)=22
+ MINT(22)=22
+
+ ELSEIF(ISUB.EQ.19) THEN
+C...f + fbar -> gamma + Z0; th arbitrary
+ IF(PYR(0).GT.0.5D0) JS=2
+ MINT(20+JS)=22
+ MINT(23-JS)=23
+
+ ELSEIF(ISUB.EQ.20) THEN
+C...f + fbar' -> gamma + W+/-; th = (p(f)-p(W-))**2 or
+C...(p(fbar')-p(W+))**2
+ KCH1=KCHG(IABS(MINT(15)),1)*ISIGN(1,MINT(15))
+ KCH2=KCHG(IABS(MINT(16)),1)*ISIGN(1,MINT(16))
+ IF(MINT(15)*(KCH1+KCH2).LT.0) JS=2
+ MINT(20+JS)=22
+ MINT(23-JS)=ISIGN(24,KCH1+KCH2)
+ ENDIF
+
+ ELSEIF(ISUB.LE.30) THEN
+ IF(ISUB.EQ.21) THEN
+C...f + fbar -> gamma + h0; th arbitrary
+ IF(PYR(0).GT.0.5D0) JS=2
+ MINT(20+JS)=22
+ MINT(23-JS)=25
+
+ ELSEIF(ISUB.EQ.22) THEN
+C...f + fbar -> Z0 + Z0; th arbitrary
+ MINT(21)=23
+ MINT(22)=23
+
+ ELSEIF(ISUB.EQ.23) THEN
+C...f + fbar' -> Z0 + W+/-; th = (p(f)-p(W-))**2 or (p(fbar')-p(W+))**2
+ KCH1=KCHG(IABS(MINT(15)),1)*ISIGN(1,MINT(15))
+ KCH2=KCHG(IABS(MINT(16)),1)*ISIGN(1,MINT(16))
+ IF(MINT(15)*(KCH1+KCH2).LT.0) JS=2
+ MINT(20+JS)=23
+ MINT(23-JS)=ISIGN(24,KCH1+KCH2)
+
+ ELSEIF(ISUB.EQ.24) THEN
+C...f + fbar -> Z0 + h0 (or H0, or A0); th arbitrary
+ IF(PYR(0).GT.0.5D0) JS=2
+ MINT(20+JS)=23
+ MINT(23-JS)=KFHIGG
+
+ ELSEIF(ISUB.EQ.25) THEN
+C...f + fbar -> W+ + W-; th = (p(f)-p(W-))**2
+ MINT(21)=-ISIGN(24,MINT(15))
+ MINT(22)=-MINT(21)
+
+ ELSEIF(ISUB.EQ.26) THEN
+C...f + fbar' -> W+/- + h0 (or H0, or A0);
+C...th = (p(f)-p(W-))**2 or (p(fbar')-p(W+))**2
+ KCH1=KCHG(IABS(MINT(15)),1)*ISIGN(1,MINT(15))
+ KCH2=KCHG(IABS(MINT(16)),1)*ISIGN(1,MINT(16))
+ IF(MINT(15)*(KCH1+KCH2).GT.0) JS=2
+ MINT(20+JS)=ISIGN(24,KCH1+KCH2)
+ MINT(23-JS)=KFHIGG
+
+ ELSEIF(ISUB.EQ.27) THEN
+C...f + fbar -> h0 + h0
+
+ ELSEIF(ISUB.EQ.28) THEN
+C...f + g -> f + g; th = (p(f)-p(f))**2
+ KCC=MINT(2)+6
+ IF(MINT(15).EQ.21) KCC=KCC+2
+ IF(MINT(15).NE.21) KCS=ISIGN(1,MINT(15))
+ IF(MINT(16).NE.21) KCS=ISIGN(1,MINT(16))
+
+ ELSEIF(ISUB.EQ.29) THEN
+C...f + g -> f + gamma; th = (p(f)-p(f))**2
+ IF(MINT(15).EQ.21) JS=2
+ MINT(23-JS)=22
+ KCC=15+JS
+ KCS=ISIGN(1,MINT(14+JS))
+
+ ELSEIF(ISUB.EQ.30) THEN
+C...f + g -> f + Z0; th = (p(f)-p(f))**2
+ IF(MINT(15).EQ.21) JS=2
+ MINT(23-JS)=23
+ KCC=15+JS
+ KCS=ISIGN(1,MINT(14+JS))
+ ENDIF
+
+ ELSEIF(ISUB.LE.40) THEN
+ IF(ISUB.EQ.31) THEN
+C...f + g -> f' + W+/-; th = (p(f)-p(f'))**2; choose flavour f'
+ IF(MINT(15).EQ.21) JS=2
+ I=MINT(14+JS)
+ IA=IABS(I)
+ MINT(23-JS)=ISIGN(24,KCHG(IA,1)*I)
+ RVCKM=VINT(180+I)*PYR(0)
+ DO 290 J=1,MSTP(1)
+ IB=2*J-1+MOD(IA,2)
+ IPM=(5-ISIGN(1,I))/2
+ IDC=J+MDCY(IA,2)+2
+ IF(MDME(IDC,1).NE.1.AND.MDME(IDC,1).NE.IPM) GOTO 290
+ MINT(20+JS)=ISIGN(IB,I)
+ RVCKM=RVCKM-VCKM((IA+1)/2,(IB+1)/2)
+ IF(RVCKM.LE.0D0) GOTO 300
+ 290 CONTINUE
+ 300 KCC=15+JS
+ KCS=ISIGN(1,MINT(14+JS))
+
+ ELSEIF(ISUB.EQ.32) THEN
+C...f + g -> f + h0; th = (p(f)-p(f))**2
+ IF(MINT(15).EQ.21) JS=2
+ MINT(23-JS)=25
+ KCC=15+JS
+ KCS=ISIGN(1,MINT(14+JS))
+
+ ELSEIF(ISUB.EQ.33) THEN
+C...f + gamma -> f + g; th=(p(f)-p(f))**2
+ IF(MINT(15).EQ.22) JS=2
+ MINT(23-JS)=21
+ KCC=24+JS
+ KCS=ISIGN(1,MINT(14+JS))
+
+ ELSEIF(ISUB.EQ.34) THEN
+C...f + gamma -> f + gamma; th=(p(f)-p(f))**2
+ IF(MINT(15).EQ.22) JS=2
+ KCC=22
+ KCS=ISIGN(1,MINT(14+JS))
+
+ ELSEIF(ISUB.EQ.35) THEN
+C...f + gamma -> f + Z0; th=(p(f)-p(f))**2
+ IF(MINT(15).EQ.22) JS=2
+ MINT(23-JS)=23
+ KCC=22
+
+ ELSEIF(ISUB.EQ.36) THEN
+C...f + gamma -> f' + W+/-; th=(p(f)-p(f'))**2
+ IF(MINT(15).EQ.22) JS=2
+ I=MINT(14+JS)
+ IA=IABS(I)
+ MINT(23-JS)=ISIGN(24,KCHG(IA,1)*I)
+ IF(IA.LE.10) THEN
+ RVCKM=VINT(180+I)*PYR(0)
+ DO 310 J=1,MSTP(1)
+ IB=2*J-1+MOD(IA,2)
+ IPM=(5-ISIGN(1,I))/2
+ IDC=J+MDCY(IA,2)+2
+ IF(MDME(IDC,1).NE.1.AND.MDME(IDC,1).NE.IPM) GOTO 310
+ MINT(20+JS)=ISIGN(IB,I)
+ RVCKM=RVCKM-VCKM((IA+1)/2,(IB+1)/2)
+ IF(RVCKM.LE.0D0) GOTO 320
+ 310 CONTINUE
+ ELSE
+ IB=2*((IA+1)/2)-1+MOD(IA,2)
+ MINT(20+JS)=ISIGN(IB,I)
+ ENDIF
+ 320 KCC=22
+
+ ELSEIF(ISUB.EQ.37) THEN
+C...f + gamma -> f + h0
+
+ ELSEIF(ISUB.EQ.38) THEN
+C...f + Z0 -> f + g
+
+ ELSEIF(ISUB.EQ.39) THEN
+C...f + Z0 -> f + gamma
+
+ ELSEIF(ISUB.EQ.40) THEN
+C...f + Z0 -> f + Z0
+ ENDIF
+
+ ELSEIF(ISUB.LE.50) THEN
+ IF(ISUB.EQ.41) THEN
+C...f + Z0 -> f' + W+/-
+
+ ELSEIF(ISUB.EQ.42) THEN
+C...f + Z0 -> f + h0
+
+ ELSEIF(ISUB.EQ.43) THEN
+C...f + W+/- -> f' + g
+
+ ELSEIF(ISUB.EQ.44) THEN
+C...f + W+/- -> f' + gamma
+
+ ELSEIF(ISUB.EQ.45) THEN
+C...f + W+/- -> f' + Z0
+
+ ELSEIF(ISUB.EQ.46) THEN
+C...f + W+/- -> f' + W+/-
+
+ ELSEIF(ISUB.EQ.47) THEN
+C...f + W+/- -> f' + h0
+
+ ELSEIF(ISUB.EQ.48) THEN
+C...f + h0 -> f + g
+
+ ELSEIF(ISUB.EQ.49) THEN
+C...f + h0 -> f + gamma
+
+ ELSEIF(ISUB.EQ.50) THEN
+C...f + h0 -> f + Z0
+ ENDIF
+
+ ELSEIF(ISUB.LE.60) THEN
+ IF(ISUB.EQ.51) THEN
+C...f + h0 -> f' + W+/-
+
+ ELSEIF(ISUB.EQ.52) THEN
+C...f + h0 -> f + h0
+
+ ELSEIF(ISUB.EQ.53) THEN
+C...g + g -> f + fbar; th arbitrary
+ KCS=(-1)**INT(1.5D0+PYR(0))
+ MINT(21)=ISIGN(KFLF,KCS)
+ MINT(22)=-MINT(21)
+ KCC=MINT(2)+10
+
+ ELSEIF(ISUB.EQ.54) THEN
+C...g + gamma -> f + fbar; th arbitrary
+ KCS=(-1)**INT(1.5D0+PYR(0))
+ MINT(21)=ISIGN(KFLF,KCS)
+ MINT(22)=-MINT(21)
+ KCC=27
+ IF(MINT(16).EQ.21) KCC=28
+
+ ELSEIF(ISUB.EQ.55) THEN
+C...g + Z0 -> f + fbar
+
+ ELSEIF(ISUB.EQ.56) THEN
+C...g + W+/- -> f + fbar'
+
+ ELSEIF(ISUB.EQ.57) THEN
+C...g + h0 -> f + fbar
+
+ ELSEIF(ISUB.EQ.58) THEN
+C...gamma + gamma -> f + fbar; th arbitrary
+ KCS=(-1)**INT(1.5D0+PYR(0))
+ MINT(21)=ISIGN(KFLF,KCS)
+ MINT(22)=-MINT(21)
+ KCC=21
+
+ ELSEIF(ISUB.EQ.59) THEN
+C...gamma + Z0 -> f + fbar
+
+ ELSEIF(ISUB.EQ.60) THEN
+C...gamma + W+/- -> f + fbar'
+ ENDIF
+
+ ELSEIF(ISUB.LE.70) THEN
+ IF(ISUB.EQ.61) THEN
+C...gamma + h0 -> f + fbar
+
+ ELSEIF(ISUB.EQ.62) THEN
+C...Z0 + Z0 -> f + fbar
+
+ ELSEIF(ISUB.EQ.63) THEN
+C...Z0 + W+/- -> f + fbar'
+
+ ELSEIF(ISUB.EQ.64) THEN
+C...Z0 + h0 -> f + fbar
+
+ ELSEIF(ISUB.EQ.65) THEN
+C...W+ + W- -> f + fbar
+
+ ELSEIF(ISUB.EQ.66) THEN
+C...W+/- + h0 -> f + fbar'
+
+ ELSEIF(ISUB.EQ.67) THEN
+C...h0 + h0 -> f + fbar
+
+ ELSEIF(ISUB.EQ.68) THEN
+C...g + g -> g + g; th arbitrary
+ KCC=MINT(2)+12
+ KCS=(-1)**INT(1.5D0+PYR(0))
+
+ ELSEIF(ISUB.EQ.69) THEN
+C...gamma + gamma -> W+ + W-; th arbitrary
+ MINT(21)=24
+ MINT(22)=-24
+ KCC=21
+
+ ELSEIF(ISUB.EQ.70) THEN
+C...gamma + W+/- -> Z0 + W+/-; th=(p(W)-p(W))**2
+ IF(MINT(15).EQ.22) MINT(21)=23
+ IF(MINT(16).EQ.22) MINT(22)=23
+ KCC=21
+ ENDIF
+
+ ELSEIF(ISUB.LE.80) THEN
+ IF(ISUB.EQ.71.OR.ISUB.EQ.72) THEN
+C...Z0 + Z0 -> Z0 + Z0; Z0 + Z0 -> W+ + W-
+ XH=SH/SHP
+ MINT(21)=MINT(15)
+ MINT(22)=MINT(16)
+ PMQ(1)=PYMASS(MINT(21))
+ PMQ(2)=PYMASS(MINT(22))
+ 330 JT=INT(1.5D0+PYR(0))
+ ZMIN=2D0*PMQ(JT)/SHPR
+ ZMAX=1D0-PMQ(3-JT)/SHPR-(SH-PMQ(JT)**2)/
+ & (SHPR*(SHPR-PMQ(3-JT)))
+ ZMAX=MIN(1D0-XH,ZMAX)
+ Z(JT)=ZMIN+(ZMAX-ZMIN)*PYR(0)
+ IF(-1D0+(1D0+XH)/(1D0-Z(JT))-XH/(1D0-Z(JT))**2.LT.
+ & (1D0-XH)**2/(4D0*XH)*PYR(0)) GOTO 330
+ SQC1=1D0-4D0*PMQ(JT)**2/(Z(JT)**2*SHP)
+ IF(SQC1.LT.1D-8) GOTO 330
+ C1=SQRT(SQC1)
+ C2=1D0+2D0*(PMAS(23,1)**2-PMQ(JT)**2)/(Z(JT)*SHP)
+ CTHE(JT)=(C2-(C2**2-C1**2)/(C2+(2D0*PYR(0)-1D0)*C1))/C1
+ CTHE(JT)=MIN(1D0,MAX(-1D0,CTHE(JT)))
+ Z(3-JT)=1D0-XH/(1D0-Z(JT))
+ SQC1=1D0-4D0*PMQ(3-JT)**2/(Z(3-JT)**2*SHP)
+ IF(SQC1.LT.1D-8) GOTO 330
+ C1=SQRT(SQC1)
+ C2=1D0+2D0*(PMAS(23,1)**2-PMQ(3-JT)**2)/(Z(3-JT)*SHP)
+ CTHE(3-JT)=(C2-(C2**2-C1**2)/(C2+(2D0*PYR(0)-1D0)*C1))/C1
+ CTHE(3-JT)=MIN(1D0,MAX(-1D0,CTHE(3-JT)))
+ PHIR=PARU(2)*PYR(0)
+ CPHI=COS(PHIR)
+ ANG=CTHE(1)*CTHE(2)-SQRT(1D0-CTHE(1)**2)*
+ & SQRT(1D0-CTHE(2)**2)*CPHI
+ Z1=2D0-Z(JT)
+ Z2=ANG*SQRT(Z(JT)**2-4D0*PMQ(JT)**2/SHP)
+ Z3=1D0-Z(JT)-XH+(PMQ(1)**2+PMQ(2)**2)/SHP
+ Z(3-JT)=2D0/(Z1**2-Z2**2)*(Z1*Z3+Z2*SQRT(Z3**2-(Z1**2-Z2**2)*
+ & PMQ(3-JT)**2/SHP))
+ ZMIN=2D0*PMQ(3-JT)/SHPR
+ ZMAX=1D0-PMQ(JT)/SHPR-(SH-PMQ(3-JT)**2)/(SHPR*(SHPR-PMQ(JT)))
+ ZMAX=MIN(1D0-XH,ZMAX)
+ &nbs
git://git.uio.no / u/mrichter/AliRoot.git / commitdiff