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[u/mrichter/AliRoot.git] / PYTHIA6 / pythia6.inc
CommitLineData
952cc209 1C...This file contains a complete listing of all PYTHIA
2C...commonblocks, and additionally some recommended other
3C...declarations. You may copy this to the top of your
4C...mina program and then eliminate unnecessary parts.
5C Jun 19 1998 P.Murat(CDF): add implicit for integers
6C Mar 18 1998 P.Murat: remove implicits, add explicit type definition
7c for all the variables
8C-----------------------------------------------------------------
9
10C...All real arithmetic in double precision.
11c IMPLICIT DOUBLE PRECISION(A-H, O-Z)
12c implicit integer (i-n)
13C...Three Pythia functions return integers, so need declaring.
14 INTEGER PYK,PYCHGE,PYCOMP
15C...Parameter statement to help give large particle numbers
16C...(left- and righthanded SUSY, excited fermions).
17 integer KSUSY1, KSUSY2, KEXCIT
18 PARAMETER (KSUSY1=1000000,KSUSY2=2000000,KEXCIT=4000000)
19
20C...Commonblocks.
21C...The event record.
22 COMMON/PYJETS/N,NPAD,K(4000,5),P(4000,5),V(4000,5)
23 integer N,NPAD,K
24 real*8 P,V
25C...Parameters.
26 COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
27 integer MSTU, MSTJ
28 real*8 PARU, PARJ
29C...Particle properties + some flavour parameters.
30 COMMON/PYDAT2/KCHG(500,4),PMAS(500,4),PARF(2000),VCKM(4,4)
31 integer KCHG
32 real*8 PMAS, PARF, VCKM
33C...Decay information.
fe409a67 34 COMMON/PYDAT3/MDCY(500,3),MDME(8000,2),BRAT(8000),KFDP(8000,5)
952cc209 35 integer MDCY, MDME, KFDP
36 real*8 BRAT
37C...Particle names
38 COMMON/PYDAT4/CHAF(500,2)
39 CHARACTER CHAF*16
40C...Random number generator information.
41 COMMON/PYDATR/MRPY(6),RRPY(100)
42 integer MRPY
43 real*8 RRPY
44C...Selection of hard scattering subprocesses.
45 COMMON/PYSUBS/MSEL,MSELPD,MSUB(500),KFIN(2,-40:40),CKIN(200)
46 integer MSEL, MSELPD, MSUB, KFIN
47 real*8 CKIN
48C...Parameters.
49 COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200)
50 integer MSTP, MSTI
51 real*8 PARP, PARI
52C...Internal variables.
53 COMMON/PYINT1/MINT(400),VINT(400)
54 integer mint
55 real*8 vint
56C...Process information.
57 COMMON/PYINT2/ISET(500),KFPR(500,2),COEF(500,20),ICOL(40,4,2)
58 integer ISET, KFPR, ICOL
59 real*8 COEF
60C...Parton distributions and cross sections.
61 COMMON/PYINT3/XSFX(2,-40:40),ISIG(1000,3),SIGH(1000)
62 integer ISIG
63 real*8 XSFX, SIGH
64C...Resonance width and secondary decay treatment.
65 COMMON/PYINT4/MWID(500),WIDS(500,5)
66 integer MWID
67 real*8 WIDS
68C...Generation and cross section statistics.
69 COMMON/PYINT5/NGENPD,NGEN(0:500,3),XSEC(0:500,3)
70 integer NGENPD, NGEN
71 real*8 XSEC
72C...Process names.
73 COMMON/PYINT6/PROC(0:500)
74 CHARACTER PROC*28
75C...Total cross sections.
76 COMMON/PYINT7/SIGT(0:6,0:6,0:5)
77 real*8 SIGT
78C...Photon parton distributions: total and valence only.
79 COMMON/PYINT8/XPVMD(-6:6),XPANL(-6:6),XPANH(-6:6),XPBEH(-6:6),
80 &XPDIR(-6:6)
81 real*8 XPVMD, XPANL, XPANH, XPBEH, XPDIR
82 COMMON/PYINT9/VXPVMD(-6:6),VXPANL(-6:6),VXPANH(-6:6),VXPDGM(-6:6)
83 real*8 VXPVMD, VXPANL, VXPANH, VXPDGM
84C...Setting up user-defined processes.
85 COMMON/PYUPPR/NUP,KUP(20,7),NFUP,IFUP(10,2),PUP(20,5),Q2UP(0:10)
86 integer NUP, KUP, NFUP, IFUP
87 real*8 PUP, Q2UP
88C...Supersymmetry parameters.
89 COMMON/PYMSSM/IMSS(0:99),RMSS(0:99)
90 integer IMSS
91 real*8 RMSS
92C...Supersymmetry mixing matrices.
93 COMMON/PYSSMT/ZMIX(4,4),UMIX(2,2),VMIX(2,2),SMZ(4),SMW(2),
fe409a67 94 &SFMIX(16,4),ZMIXI(4,4),UMIXI(2,2),VMIXI(2,2)
95 real*8 ZMIX, UMIX, VMIX, SMZ, SMW, SFMIX, ZMIXI,UMIXI,VMIXI
952cc209 96C...Parameters for Gauss integration of supersymmetric widths.
97 COMMON/PYINTS/XXM(20)
98 real*8 XXM
99C...Histogram information.
100 COMMON/PYBINS/IHIST(4),INDX(1000),BIN(20000)
101 integer IHIST, INDX
102 real*8 BIN