]> git.uio.no Git - u/mrichter/AliRoot.git/blame - TFluka/stupre.cxx
Fixing a little bug
[u/mrichter/AliRoot.git] / TFluka / stupre.cxx
CommitLineData
f827183d 1#include <Riostream.h>
f827183d 2#ifndef WIN32
3# define stupre stupre_
4#else
5# define stupre STUPRE
6#endif
7//
8// Fluka include
9#include "Fdimpar.h" //(DIMPAR) fluka include
e3926667 10
f827183d 11// Fluka commons
12#include "Fdblprc.h" //(DBLPRC) fluka common
13#include "Femfstk.h" //(EMFSTK) fluka common
14#include "Fevtflg.h" //(EVTFLG) fluka common
15#include "Fpaprop.h" //(PAPROP) fluka common
16#include "Ftrackr.h" //(TRACKR) fluka common
e3926667 17#include "Femfrgn.h" //(EFMRGN) fluka common
f827183d 18
19//Virtual MC
20#include "TFluka.h"
d566901f 21#include "TFlukaCodes.h"
f827183d 22#include "TVirtualMCStack.h"
23#include "TVirtualMCApplication.h"
24#include "TParticle.h"
25#include "TVector3.h"
26
27extern "C" {
28void stupre()
29{
30//*----------------------------------------------------------------------*
31//* *
32//* SeT User PRoperties for Emf particles *
33//* *
34//*----------------------------------------------------------------------*
d566901f 35// Get the pointer to the VMC
36 TFluka* fluka = (TFluka*) gMC;
37 static Double_t emassmev = PAPROP.am[kFLUKAelectron + 6] * 1000.;
e3926667 38
f827183d 39 Int_t lbhabh = 0;
40 if (EVTFLG.ldltry == 1) {
7dac99f1 41 if (EMFSTK.ichemf[EMFSTK.npemf-1] * EMFSTK.ichemf[EMFSTK.npemf-2] < 0) lbhabh = 1;
f827183d 42 }
d566901f 43
e3926667 44// mkbmx1 = dimension for kwb real spare array in fluka stack in DIMPAR
45// mkbmx2 = dimension for kwb int. spare array in fluka stack in DIMPAR
f827183d 46// EMFSTK.espark = spare real variables available for
47// EMFSTK.iespak = spare integer variables available for
e3926667 48// TRACKR.spausr = user defined spare variables for the current particle
49// TRACKR.ispusr = user defined spare flags for the current particle
50// EMFSTK.louemf = user flag
51// TRACKR.llouse = user defined flag for the current particle
f827183d 52
53 Int_t npnw, ispr;
e3926667 54 for (npnw = EMFSTK.npstrt-1; npnw <= EMFSTK.npemf-1; npnw++) {
d566901f 55
56 for (ispr = 0; ispr <= mkbmx1-1; ispr++)
57 EMFSTK.espark[npnw][ispr] = TRACKR.spausr[ispr];
58
59 for (ispr = 0; ispr <= mkbmx2-1; ispr++)
60 EMFSTK.iespak[npnw][ispr] = TRACKR.ispusr[ispr];
e3926667 61
d566901f 62 EMFSTK.louemf[npnw] = TRACKR.llouse;
f827183d 63 }
64
d566901f 65
2bc4c610 66 Int_t verbosityLevel = fluka->GetVerbosityLevel();
67 Bool_t debug = (verbosityLevel>=3)?kTRUE:kFALSE;
fbf08100 68 fluka->SetTrackIsNew(kTRUE);
e3926667 69
f827183d 70// Get the stack produced from the generator
71 TVirtualMCStack* cppstack = fluka->GetStack();
72
73// EVTFLG.ntrcks = track number
74// Increment the track number and put it into the last flag
75
76 Int_t kp;
e3926667 77
7dac99f1 78 for (kp = EMFSTK.npstrt - 1; kp <= EMFSTK.npemf - 1; kp++) {
e3926667 79
80// Ckeck transport cut first
d566901f 81 Int_t ireg = EMFSTK.iremf[kp];
82 Double_t cut = (TMath::Abs(EMFSTK.ichemf[kp]) == 1) ? EMFRGN.elethr[ireg-1] : EMFRGN.phothr[ireg-1];
e3926667 83 Double_t e = EMFSTK.etemf[kp];
b7940702 84
e3926667 85 if ((e < cut)
86 && (
87 (EMFSTK.ichemf[kp] == 0) ||
88 (EMFSTK.ichemf[kp] == -1) ||
11e28b34 89 (EMFSTK.ichemf[kp] == 1 && EMFRGN.phothr[ireg-1] > emassmev)
e3926667 90 )
91 )
92 {
b7940702 93 EMFSTK.iespak[kp][mkbmx2-1] = TRACKR.ispusr[mkbmx2-1];
e3926667 94 EMFSTK.iespak[kp][mkbmx2-2] = 0;
18e0cabb 95 EMFSTK.iespak[kp][mkbmx2-3] = TRACKR.jtrack;
e3926667 96 continue;
97 }
f827183d 98
d566901f 99// Save the parent track number and reset it at each loop
610cd189 100 Int_t done = 0;
81ee7392 101 Int_t parent = TRACKR.ispusr[mkbmx2-1];
f827183d 102 Int_t flukaid = 0;
3b8c325d 103
e3926667 104// Identify particle type
d566901f 105 if (EMFSTK.ichemf[kp] == -1) flukaid = kFLUKAelectron;
106 else if (EMFSTK.ichemf[kp] == 0) flukaid = kFLUKAphoton;
107 else if (EMFSTK.ichemf[kp] == 1) flukaid = kFLUKApositron;
e3926667 108
109
d566901f 110 e *= emvgev;
e3926667 111 Int_t pdg = fluka->PDGFromId(flukaid);
d15554e0 112 Double_t p = sqrt(e * e - PAPROP.am[flukaid+6] * PAPROP.am[flukaid+6]);
81f1d030 113 Double_t px = p * EMFSTK.uemf[kp];
b7940702 114 Double_t py = p * EMFSTK.vemf[kp];
115 Double_t pz = p * EMFSTK.wemf[kp];
d15554e0 116 Double_t tof = EMFSTK.agemf[kp];
117 Double_t polx = EMFSTK.upol[kp];
118 Double_t poly = EMFSTK.vpol[kp];
119 Double_t polz = EMFSTK.wpol[kp];
81f1d030 120 Double_t vx = EMFSTK.xemf[kp];
121 Double_t vy = EMFSTK.yemf[kp];
122 Double_t vz = EMFSTK.zemf[kp];
7dac99f1 123 Double_t weight = EMFSTK.wtemf[kp];
124
f827183d 125 Int_t ntr;
126 TMCProcess mech;
127 Int_t is = 0;
128
129//* case of no parent left (pair, photoelectric, annihilation):
130//* all secondaries are true
131 if ((EVTFLG.lpairp == 1) || (EVTFLG.lphoel == 1) ||
132 (EVTFLG.lannfl == 1) || (EVTFLG.lannrs == 1)) {
81ee7392 133
134 if (EVTFLG.lpairp == 1) mech = kPPair;
135 else if (EVTFLG.lphoel == 1) mech = kPPhotoelectric;
136 else mech = kPAnnihilation;
642f15cf 137 cppstack->PushTrack(done, parent, pdg,
81ee7392 138 px, py, pz, e, vx, vy, vz, tof,
139 polx, poly, polz, mech, ntr, weight, is);
e3926667 140 if (debug) cout << endl << " !!! stupre (PAIR, ..) : ntr=" << ntr << "pdg " << pdg << " parent=" << parent << "energy " << e-PAPROP.am[flukaid+6] << endl;
d15554e0 141
81ee7392 142 EMFSTK.iespak[kp][mkbmx2-1] = ntr;
48aa0331 143 EMFSTK.iespak[kp][mkbmx2-2] = 0;
f827183d 144 } // end of lpairp, lphoel, lannfl, lannrs
145
146//* Compton: secondary is true only if charged (e+, e-)
147 else if ((EVTFLG.lcmptn == 1)) {
7dac99f1 148
149 if (EMFSTK.ichemf[kp] != 0) {
81ee7392 150 mech = kPCompton;
642f15cf 151 cppstack->PushTrack(done, parent, pdg,
81ee7392 152 px, py, pz, e, vx, vy, vz, tof,
153 polx, poly, polz, mech, ntr, weight, is);
2bc4c610 154 if (debug) cout << endl << " !!! stupre (COMPTON) : ntr=" << ntr << "pdg " << pdg << " parent=" << parent << endl;
81ee7392 155 EMFSTK.iespak[kp][mkbmx2-1] = ntr;
48aa0331 156 EMFSTK.iespak[kp][mkbmx2-2] = 0;
81ee7392 157 }
f827183d 158 } // end of lcmptn
81ee7392 159
f827183d 160//* Bremsstrahlung: true secondary only if charge = 0 (photon)
161 else if ((EVTFLG.lbrmsp == 1)) {
7dac99f1 162 if (EMFSTK.ichemf[kp] == 0) {
81ee7392 163 mech = kPBrem;
642f15cf 164 cppstack->PushTrack(done, parent, pdg,
81ee7392 165 px, py, pz, e, vx, vy, vz, tof,
166 polx, poly, polz, mech, ntr, weight, is);
2bc4c610 167 if (debug) cout << endl << " !!! stupre (BREMS) : ntr=" << ntr << "pdg " << pdg << " parent=" << parent << endl;
81ee7392 168 EMFSTK.iespak[kp][mkbmx2-1] = ntr;
48aa0331 169 EMFSTK.iespak[kp][mkbmx2-2] = 0;
81ee7392 170 }
f827183d 171 } // end of lbrmsp
81ee7392 172
f827183d 173//* Delta ray: If Bhabha, true secondary only if negative (electron)
174 else if ((EVTFLG.ldltry == 1)) {
81ee7392 175 if (lbhabh == 1) {
7dac99f1 176 if (EMFSTK.ichemf[kp] == -1) {
81ee7392 177 mech = kPDeltaRay;
642f15cf 178 cppstack->PushTrack(done, parent, pdg,
81ee7392 179 px, py, pz, e, vx, vy, vz, tof,
180 polx, poly, polz, mech, ntr, weight, is);
181 EMFSTK.iespak[kp][mkbmx2-1] = ntr;
48aa0331 182 EMFSTK.iespak[kp][mkbmx2-2] = 0;
2bc4c610 183 if (debug) cout << endl << " !!! stupre (BHABA) : ntr=" << ntr << "pdg " << pdg << " parent=" << parent << endl;
81ee7392 184 } // end of Bhabha
d15554e0 185 } // lbhabh == 1
81ee7392 186
f827183d 187//* Delta ray: Otherwise Moller: true secondary is the electron with
188//* lower energy, which has been put higher in the stack
7dac99f1 189 else if (kp == EMFSTK.npemf-1) {
81ee7392 190 mech = kPDeltaRay;
642f15cf 191 cppstack->PushTrack(done, parent, pdg,
81ee7392 192 px, py, pz, e, vx, vy, vz, tof,
193 polx, poly, polz, mech, ntr, weight, is);
2bc4c610 194 if (debug) cout << endl << " !!! stupre (Moller) : ntr=" << ntr << "pdg " << pdg << " parent=" << parent << endl;
81ee7392 195 EMFSTK.iespak[kp][mkbmx2-1] = ntr;
48aa0331 196 EMFSTK.iespak[kp][mkbmx2-2] = 0;
81ee7392 197 } // end of Delta ray
f827183d 198 } // end of ldltry
81ee7392 199
f827183d 200 } // end of loop
f827183d 201} // end of stupre
202} // end of extern "C"
203