2 /*************************************************************************
3 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
4 * All rights reserved. *
6 * For the licensing terms see $ROOTSYS/LICENSE. *
7 * For the list of contributors see $ROOTSYS/README/CREDITS. *
8 *************************************************************************/
11 //* +-------------------------------------------------------------+
17 //* | S. Roesler+), R. Engel#), J. Ranft*) |
19 //* | +) CERN, TIS-RP |
20 //* | CH-1211 Geneva 23, Switzerland |
21 //* | Email: Stefan.Roesler@cern.ch |
23 //* | #) University of Delaware, BRI |
24 //* | Newark, DE 19716, USA |
26 //* | *) University of Siegen, Dept. of Physics |
27 //* | D-57068 Siegen, Germany |
30 //* | http://home.cern.ch/sroesler/dpmjet3.html |
33 //* | Monte Carlo models used for event generation: |
34 //* | PHOJET 1.12, JETSET 7.4 and LEPTO 6.5.1 |
36 //* +-------------------------------------------------------------+
41 #include "DPMcommon.h"
42 //*KEEP,TParticle,T=C++
43 #include "TParticle.h"
44 #include "TClonesArray.h"
52 # define dt_dtuini dt_dtuini_
53 # define dt_getemu de_getemu_
54 # define dt_kkinc dt_kkinc_
55 # define pho_phist pho_phist_
56 # define dt_dtuout dt_dtuout_
57 # define dt_rndm dt_rndm_
58 # define dt_rndmst dt_rndmst_
59 # define dt_rndmin dt_rndmin_
60 # define dt_rndmou dt_rndmou_
61 # define dpmjet_openinp dpmjet_openinp_
62 # define dt_evtout dt_evtout_
65 # define dt_dtuini DT_DTUINI
66 # define dt_getemu DT_GETEMU
67 # define dt_kkinc DT_KKINC
68 # define pho_phist PHO_PHIST
69 # define dt_dtuout DT_DTUOUT
70 # define dt_rndm DT_RNDM
71 # define dt_rndmst DT_RNDMST
72 # define dt_rndmin DT_RNDMIN
73 # define dt_rndmou DT_RNDMOU
74 # define dt_evtout DT_EVTOUT_
75 # define dpmjet_openinp DPMJET_OPENINP
76 # define type_of_call _stdcall
81 extern "C" void type_of_call dt_dtuini(Int_t & , Double_t &, Int_t & , Int_t &,
82 Int_t &, Int_t &, Int_t &, Int_t &);
83 extern "C" double type_of_call dt_getemu(Int_t &, Int_t &, Int_t &, Int_t &);
84 extern "C" void type_of_call dt_kkinc(Int_t &, Int_t &, Int_t &, Int_t &,
85 Int_t &, Double_t &, Int_t &, Int_t &);
86 extern "C" void type_of_call pho_phist(Int_t &, Double_t &);
87 extern "C" void type_of_call dt_dtuout();
88 extern "C" int type_of_call dt_evtout(const Int_t &);
89 extern "C" void type_of_call dt_rndm(Int_t &);
90 extern "C" void type_of_call dt_rndmst(Int_t &, Int_t &, Int_t &, Int_t &);
91 extern "C" void type_of_call dt_rndmin(Int_t &, Int_t &, Int_t &, Int_t &, Int_t &, Int_t &);
92 extern "C" void type_of_call dt_rndmou(Int_t &, Int_t &, Int_t &, Int_t &, Int_t &, Int_t &);
93 extern "C" void type_of_call dpmjet_openinp();
102 //______________________________________________________________________________
104 TGenerator("dpmjet","dpmjet"),
121 // Default Constructor
124 //______________________________________________________________________________
125 TDPMjet::TDPMjet(DpmProcess_t iproc, Int_t Ip=208, Int_t Ipz=82, Int_t It=208, Int_t Itz=82,
126 Double_t Epn=2700., Double_t CMEn=5400.)
127 : TGenerator("dpmjet","dpmjet"),
144 printf("TDPMJet Constructor %d %d %d %d \n", Ip, Ipz, It, Itz);
148 //______________________________________________________________________________
149 Int_t TDPMjet::ImportParticles(TClonesArray *particles, Option_t *option)
152 // Default primary creation method. It reads the /HEPEVT/ common block which
153 // has been filled by the GenerateEvent method. If the event generator does
154 // not use the HEPEVT common block, This routine has to be overloaded by
156 // The function loops on the generated particles and store them in
157 // the TClonesArray pointed by the argument particles.
158 // The default action is to store only the stable particles
159 // This can be demanded explicitly by setting the option = "Final"
160 // If the option = "All", all the particles are stored.
162 if(particles==0) return 0;
163 TClonesArray &Particles = *particles;
165 Int_t numpart = 0; // Total number of produced particles
166 Int_t numStabpart = 0; // Total number of produced stable particles
167 Double_t entot = 0; // Total energy in final state (from stable particles)
169 numpart = DTEVT1.nhkk;
170 for(Int_t i=0; i<numpart; i++){
171 if(DTEVT1.isthkk[i]==1 || DTEVT1.isthkk[i]==-1 || DTEVT1.isthkk[i]==1001){
173 entot += DTEVT1.phkk[i][3]; // PHKK[i][3] <-> PHKK(4,i)
178 if(!strcmp(option,"") || !strcmp(option,"Final")){
179 for (Int_t i=0; i < numpart; i++) {
181 if (DTEVT1.isthkk[i] == 1) {
183 // Use the common block values for the TParticle constructor
185 new(Particles[nump]) TParticle(
205 else if(!strcmp(option,"All")){
207 for (Int_t i=0; i <= numpart; i++){
209 // DTEVT1.JMOHKK[i][0] pointer to the entry of the 1st mother of entry i
210 Int_t iParent = DTEVT1.jmohkk[i][0] - 1;
213 TParticle *mother = (TParticle*) (Particles.UncheckedAt(iParent));
214 mother->SetLastDaughter(i);
215 if(mother->GetFirstDaughter() == -1) mother->SetFirstDaughter(i);
217 // --- PDGcode for residual nuclei (idhkk=80000)
218 // --- 10000*Z + 10*A
219 // --- DPMJET -> idres = mass #, idxres = charge
220 if(DTEVT1.idhkk[i] == 80000)
221 DTEVT1.idhkk[i] = 10000*DTEVT2.idxres[i]+10*DTEVT2.idres[i];
223 if(DTEVT2.idxres[i] != 0)
224 printf("\n pc#%d -> A = %d, Z = %d -> PDGcode = %d\n",
225 i,DTEVT2.idres[i],DTEVT2.idxres[i],DTEVT1.idhkk[i]);
228 printf("%5d %5d %5d %5d %13.3f %13.3f %13.3f %13.3f \n", i,
238 new(Particles[i]) TParticle(
262 //====================== access to dpmjet subroutines =========================
263 //______________________________________________________________________________
264 void TDPMjet::Initialize()
267 // Write standard DPMJET input cards
269 FILE* out = fopen("dpmjet.inp","w");
270 // Projectile and Target definition
271 if (fIp == 1 && fIpz ==1) {
272 fprintf(out, "PROJPAR PROTON\n");
273 } else if (fIp == 1 && fIpz == -1) {
274 fprintf(out, "PROJPAR APROTON\n");
276 fprintf(out, "PROJPAR %10.1f%10.1f%10.1f%10.1f%10.1f%10.1f\n", (Float_t) fIp, (Float_t) fIpz, 0., 0., 0., 0.);
279 if (fIt == 1 && fItz ==1) {
280 fprintf(out, "TARPAR PROTON\n");
281 } else if (fIt == 1 && fItz == -1) {
282 fprintf(out, "TARPAR APROTON\n");
284 fprintf(out, "TARPAR %10.1f%10.1f%10.1f%10.1f%10.1f%10.1f\n", (Float_t) fIt, (Float_t) fItz, 0., 0., 0., 0.);
287 // Beam energy and crossing-angle
288 fprintf(out, "BEAM %10.1f%10.1f%10.1f%10.1f%10.1f%10.1f\n",fEpn, fEpn, 0., 0., 0., 0.);
290 if (fIp > 1. && fIt > 1)
291 fprintf(out, "CENTRAL %10.1f%10.1f%10.1f%10.1f%10.1f%10.1f\n",-1., fBmin, fBmax, 0., 0., 0.);
294 fprintf(out, "PARDECAY %10.1f%10.1f%10.1f%10.1f%10.1f%10.1f\n", 2., 0., 0., 0., 0., 0.);
299 fprintf(out, "PHOINPUT\n");
300 fprintf(out, "DEBUG 0 0 0 \n");
302 if (fProcess == kDpmMb) {
303 fprintf(out, "PROCESS 1 0 1 1 1 1 1 1\n");
304 } else if (fProcess == kDpmMbNonDiffr) {
305 fprintf(out, "PROCESS 1 0 1 0 0 0 0 1\n");
306 } else if (fProcess == kDpmDiffr) {
307 fprintf(out, "PROCESS 0 0 0 1 1 1 1 0\n");
308 }else if (fProcess == kDpmSingleDiffr) {
309 fprintf(out, "PROCESS 0 0 0 0 1 1 0 0\n");
310 }else if (fProcess == kDpmDoubleDiffr) {
311 fprintf(out, "PROCESS 0 0 0 0 0 0 1 0\n");
312 } else if (fProcess == kDpmCentralDiffr){
313 fprintf(out, "PROCESS 0 0 0 1 0 0 0 0\n");
318 // K0s pi0 lam sig+ sig- tet0
319 310, 111, 3122, 3222, 3112, 3322,
320 // tet- om- D+ D0 Ds+
321 3312, 3334, 411, 421, 431,
322 // etac lamc+ sigc++ sigc+ sigc0 Ksic+
323 441, 4122, 4222, 4212, 4112, 4232,
329 Int_t iON = (fDecayAll) ? 1:0;
330 for (Int_t i = 0; i < 8; i++) {
331 fprintf(out, "LUND-DECAY%5d %5d\n", iPDG[i], iON);
334 fprintf(out, "LUND-MSTJ %5d %5d\n", 22, 1);
336 fprintf(out, "ENDINPUT\n");
339 fprintf(out, "START 1.0 0.0\n");
340 fprintf(out, "STOP\n");
345 // Call DPMJET initialisation
346 Int_t iemu = 0; // No emulsion (default)
347 Dt_Dtuini(1, fEpn, fIp, fIpz, fIt, fItz, fIdp, iemu);
352 //______________________________________________________________________________
353 void TDPMjet::GenerateEvent()
355 // Generates one event;
357 DTEVNO.nevent=fNEvent;
361 Dt_Kkinc(fIp, fIpz, fIt, fItz, fIdp, Elab, kkmat, irej);
363 //______________________________________________________________________________
364 void TDPMjet::Dt_Dtuini(int nevts, double epn, int npmass, int npchar,
365 int ntmass, int ntchar, int idp, int iemu)
367 // Call dmpjet routine DT_DTUINI passing the parameters
368 // in a way accepted by Fortran routines
371 printf("\n-------------------------------------------\n");
372 printf("\n Dt_Dtuini called with:\n\n");
373 printf(" Projectile -> A = %d, Z = %d \n",npmass, npchar);
374 printf(" Target -> A = %d, Z = %d \n",ntmass, ntchar);
375 printf(" Proj. LAB E -> E = %f GeV \n",epn);
376 printf(" nevts = %d, idp = %d, iemu = %d \n",nevts,idp,iemu);
377 printf("\n-------------------------------------------\n");
379 dt_dtuini(nevts, epn, npmass, npchar, ntmass, ntchar, idp, iemu);
383 //______________________________________________________________________________
384 void TDPMjet::Dt_Kkinc(int npmass, int npchar, int ntmass, int ntchar,
385 int idp, double elab, int kkmat, int irej)
387 // Call dmpjet routine DT_KKINC passing the parameters
388 // in a way accepted by Fortran routines
389 dt_kkinc(npmass, npchar, ntmass, ntchar, idp, elab, kkmat, irej);
392 //______________________________________________________________________________
393 void TDPMjet::Pho_Phist(int imode, double weight)
395 // Call dmpjet routine PHO_PHIST passing the parameters
396 // in a way accepted by Fortran routines
398 pho_phist(imode,weight);
402 //______________________________________________________________________________
403 void TDPMjet::Dt_Dtuout()
405 // Call dmpjet routine DT_DTUOT passing the parameters
406 // in a way accepted by Fortran routines
412 //______________________________________________________________________________
413 Int_t TDPMjet::GetEvNum() const
415 return DTEVT1.nevhkk;
417 //______________________________________________________________________________
418 Int_t TDPMjet::GetEntriesNum() const
422 //______________________________________________________________________________
423 Int_t TDPMjet::GetNumStablePc() const
425 Int_t NumStablePc = 0;
426 for(Int_t i=0; i<DTEVT1.nhkk; i++){
427 if(DTEVT1.isthkk[i] == 1) NumStablePc++;
432 //______________________________________________________________________________
433 Float_t TDPMjet::GetTotEnergy() const
435 Float_t TotEnergy = 0.;
436 for(Int_t i=0; i<DTEVT1.nhkk; i++){
437 if(DTEVT1.isthkk[i] == 1)
438 TotEnergy += DTEVT1.phkk[i][3]; // PHKK[i][3] <-> PHKK(4,i)
443 //______________________________________________________________________________
444 Int_t TDPMjet::GetStatusCode(Int_t evnum) const
446 return DTEVT1.isthkk[evnum];
448 //______________________________________________________________________________
449 Int_t TDPMjet::GetPDGCode(Int_t evnum) const
451 return DTEVT1.idhkk[evnum];
453 //______________________________________________________________________________
454 Double_t TDPMjet::Getpx(Int_t evnum) const
456 return DTEVT1.phkk[evnum][0];
458 //______________________________________________________________________________
459 Double_t TDPMjet::Getpy(Int_t evnum) const
461 return DTEVT1.phkk[evnum][1];
463 //______________________________________________________________________________
464 Double_t TDPMjet::Getpz(Int_t evnum) const
466 return DTEVT1.phkk[evnum][2];
468 //______________________________________________________________________________
469 Double_t TDPMjet::GetEnergy(Int_t evnum) const
471 return DTEVT1.phkk[evnum][3];
473 //______________________________________________________________________________
474 Double_t TDPMjet::GetMass(Int_t evnum) const
476 return DTEVT1.phkk[evnum][4];
478 //______________________________________________________________________________
479 Int_t TDPMjet::GetFragmentA(Int_t evnum) const
481 return DTEVT2.idres[evnum];
483 //______________________________________________________________________________
484 Int_t TDPMjet::GetFragmentZ(Int_t evnum) const
486 return DTEVT2.idxres[evnum];
488 //______________________________________________________________________________
489 Double_t TDPMjet::GetXSFrac() const
491 return DTIMPA.xsfrac;
493 //______________________________________________________________________________
494 Double_t TDPMjet::GetBImpac() const
496 return DTGLCP.bimpac;
498 //______________________________________________________________________________
499 Double_t TDPMjet::GetProjRadius() const
503 //______________________________________________________________________________
504 Double_t TDPMjet::GetTargRadius() const
508 //______________________________________________________________________________
509 Int_t TDPMjet::GetProjWounded() const
511 return DTGLCP.nwasam;
513 //______________________________________________________________________________
514 Int_t TDPMjet::GetTargWounded() const
516 return DTGLCP.nwbsam;
519 //______________________________________________________________________________
520 Int_t TDPMjet::GetProjParticipants() const
522 return DTGLCP.nwtaac;
524 //______________________________________________________________________________
525 Int_t TDPMjet::GetTargParticipants() const
527 return DTGLCP.nwtbac;
529 //______________________________________________________________________________
530 Int_t TDPMjet::GetProcessCode() const
532 return POPRCS.iproce;
534 //______________________________________________________________________________
535 void TDPMjet::Dt_Rndm(int idummy)
540 //______________________________________________________________________________
541 void TDPMjet::Dt_Rndmst(int na1, int na2, int na3, int nb1)
543 dt_rndmst(na1, na2, na3, nb1);
546 //______________________________________________________________________________
547 void TDPMjet::Dt_Rndmin(int u, int c, int cd, int cm, int i, int j)
549 dt_rndmin(u, c, cd, cm, i, j);
552 //______________________________________________________________________________
553 void TDPMjet::Dt_Rndmou(int u, int c, int cd, int cm, int i, int j)
555 dt_rndmou(u, c, cd, cm, i, j);
559 Int_t TDPMjet::NHEP() const {return POEVT1.nhep;}
560 Int_t TDPMjet::ISTHEP(Int_t i) const {return POEVT1.isthep[i];}
561 Int_t TDPMjet::IDHEP(Int_t i) const {return POEVT1.idhep[i];}
562 Double_t TDPMjet::PHEP(Int_t i, Int_t j) const {return POEVT1.phep[i][j];}