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1a52e0ed | 1 | //*KEEP,CopyRight,T=C. |
2 | /************************************************************************* | |
3 | * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. * | |
4 | * All rights reserved. * | |
5 | * * | |
6 | * For the licensing terms see $ROOTSYS/LICENSE. * | |
7 | * For the list of contributors see $ROOTSYS/README/CREDITS. * | |
8 | *************************************************************************/ | |
9 | //*KEND. | |
10 | ||
11 | //* +-------------------------------------------------------------+ | |
12 | //* | | | |
13 | //* | | | |
14 | //* | DPMJET 3.0 | | |
15 | //* | | | |
16 | //* | | | |
17 | //* | S. Roesler+), R. Engel#), J. Ranft*) | | |
18 | //* | | | |
19 | //* | +) CERN, TIS-RP | | |
20 | //* | CH-1211 Geneva 23, Switzerland | | |
21 | //* | Email: Stefan.Roesler@cern.ch | | |
22 | //* | | | |
23 | //* | #) University of Delaware, BRI | | |
24 | //* | Newark, DE 19716, USA | | |
25 | //* | | | |
26 | //* | *) University of Siegen, Dept. of Physics | | |
27 | //* | D-57068 Siegen, Germany | | |
28 | //* | | | |
29 | //* | | | |
30 | //* | http://home.cern.ch/sroesler/dpmjet3.html | | |
31 | //* | | | |
32 | //* | | | |
33 | //* | Monte Carlo models used for event generation: | | |
34 | //* | PHOJET 1.12, JETSET 7.4 and LEPTO 6.5.1 | | |
35 | //* | | | |
36 | //* +-------------------------------------------------------------+ | |
37 | ||
38 | //*KEEP,TDPMjet. | |
39 | #include "TDPMjet.h" | |
40 | //*KEEP,DPMCOMMON. | |
41 | #include "DPMcommon.h" | |
07c71c2e | 42 | //*KEEP,TParticle,T=C++ |
1a52e0ed | 43 | #include "TParticle.h" |
07c71c2e | 44 | #include "TClonesArray.h" |
1a52e0ed | 45 | //*KEND. |
46 | ||
47 | //*KEEP,TROOT. | |
48 | #include "TROOT.h" | |
49 | //*KEND. | |
50 | ||
51 | #ifndef WIN32 | |
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_ | |
db274076 | 61 | # define dpmjet_openinp dpmjet_openinp_ |
1a52e0ed | 62 | # define type_of_call |
63 | #else | |
64 | # define dt_dtuini DT_DTUINI | |
65 | # define dt_getemu DT_GETEMU | |
66 | # define dt_kkinc DT_KKINC | |
67 | # define pho_phist PHO_PHIST | |
68 | # define dt_dtuout DT_DTUOUT | |
69 | # define dt_rndm DT_RNDM | |
70 | # define dt_rndmst DT_RNDMST | |
71 | # define dt_rndmin DT_RNDMIN | |
72 | # define dt_rndmou DT_RNDMOU | |
db274076 | 73 | # define dpmjet_openinp DPMJET_OPENINP |
1a52e0ed | 74 | # define type_of_call _stdcall |
75 | #endif | |
76 | ||
77 | #ifndef WIN32 | |
78 | extern "C" void type_of_call dt_dtuini(Int_t & , Double_t &, Int_t & , Int_t &, | |
79 | Int_t &, Int_t &, Int_t &, Int_t &); | |
80 | extern "C" double type_of_call dt_getemu(Int_t &, Int_t &, Int_t &, Int_t &); | |
81 | extern "C" void type_of_call dt_kkinc(Int_t &, Int_t &, Int_t &, Int_t &, | |
82 | Int_t &, Double_t &, Int_t &, Int_t &); | |
83 | extern "C" void type_of_call pho_phist(Int_t &, Double_t &); | |
84 | extern "C" void type_of_call dt_dtuout(); | |
85 | extern "C" void type_of_call dt_rndm(Int_t &); | |
86 | extern "C" void type_of_call dt_rndmst(Int_t &, Int_t &, Int_t &, Int_t &); | |
87 | extern "C" void type_of_call dt_rndmin(Int_t &, Int_t &, Int_t &, Int_t &, Int_t &, Int_t &); | |
88 | extern "C" void type_of_call dt_rndmou(Int_t &, Int_t &, Int_t &, Int_t &, Int_t &, Int_t &); | |
db274076 | 89 | extern "C" void type_of_call dpmjet_openinp(); |
1a52e0ed | 90 | |
91 | #else | |
92 | ||
93 | #endif | |
94 | ||
95 | ClassImp(TDPMjet) | |
96 | ||
f97d4a8e | 97 | |
1a52e0ed | 98 | //______________________________________________________________________________ |
f97d4a8e | 99 | TDPMjet::TDPMjet() : |
100 | TGenerator("dpmjet","dpmjet"), | |
101 | fNEvent(0), | |
102 | fIp(0), | |
103 | fIpz(0), | |
104 | fIt(0), | |
105 | fItz(0), | |
106 | fEpn(0.), | |
107 | fPpn(0.), | |
108 | fCMEn(0.), | |
109 | fIdp(0), | |
110 | fBmin(0.), | |
111 | fBmax(0.), | |
112 | fFCentr(0), | |
113 | fPi0Decay(0), | |
114 | fProcess(kDpmMb) | |
1a52e0ed | 115 | { |
f97d4a8e | 116 | // Default Constructor |
1a52e0ed | 117 | } |
118 | ||
119 | //______________________________________________________________________________ | |
d38751f5 | 120 | TDPMjet::TDPMjet(DpmProcess_t iproc, Int_t Ip=208, Int_t Ipz=82, Int_t It=208, Int_t Itz=82, |
f97d4a8e | 121 | Double_t Epn=2700., Double_t CMEn=5400.) |
122 | : TGenerator("dpmjet","dpmjet"), | |
123 | fNEvent(0), | |
124 | fIp(Ip), | |
125 | fIpz(Ipz), | |
126 | fIt(It), | |
127 | fItz(Itz), | |
128 | fEpn(Epn), | |
2d22f1fe | 129 | fPpn(0.), |
f97d4a8e | 130 | fCMEn(CMEn), |
131 | fIdp(0), | |
132 | fBmin(0.), | |
133 | fBmax(0.), | |
134 | fFCentr(0), | |
135 | fPi0Decay(0), | |
136 | fProcess(iproc) | |
1a52e0ed | 137 | { |
d38751f5 | 138 | printf("TDPMJet Constructor %d %d %d %d \n", Ip, Ipz, It, Itz); |
1a52e0ed | 139 | } |
140 | ||
141 | ||
142 | //______________________________________________________________________________ | |
143 | Int_t TDPMjet::ImportParticles(TClonesArray *particles, Option_t *option) | |
144 | { | |
145 | // | |
146 | // Default primary creation method. It reads the /HEPEVT/ common block which | |
147 | // has been filled by the GenerateEvent method. If the event generator does | |
148 | // not use the HEPEVT common block, This routine has to be overloaded by | |
149 | // the subclasses. | |
150 | // The function loops on the generated particles and store them in | |
151 | // the TClonesArray pointed by the argument particles. | |
152 | // The default action is to store only the stable particles | |
153 | // This can be demanded explicitly by setting the option = "Final" | |
154 | // If the option = "All", all the particles are stored. | |
155 | // | |
156 | if(particles==0) return 0; | |
157 | TClonesArray &Particles = *particles; | |
158 | Particles.Clear(); | |
159 | Int_t numpart = 0; // Total number of produced particles | |
160 | Int_t numStabpart = 0; // Total number of produced stable particles | |
161 | Double_t entot = 0; // Total energy in final state (from stable particles) | |
162 | ||
163 | numpart = DTEVT1.nhkk; | |
164 | for(Int_t i=0; i<numpart; i++){ | |
165 | if(DTEVT1.isthkk[i]==1 || DTEVT1.isthkk[i]==-1 || DTEVT1.isthkk[i]==1001){ | |
166 | numStabpart++; | |
167 | entot += DTEVT1.phkk[i][3]; // PHKK[i][3] <-> PHKK(4,i) | |
168 | } | |
169 | } | |
d38751f5 | 170 | //printf("\n TDPMjet: DPMJET stack contains %d particles", numpart); |
171 | // printf("\n TDPMjet: Final not decayed particles: %d", numStabpart); | |
172 | //printf("\n TDPMjet: Total energy: %f GeV \n", entot); | |
1a52e0ed | 173 | Int_t nump = 0; |
174 | ||
175 | if(!strcmp(option,"") || !strcmp(option,"Final")){ | |
176 | for (Int_t i=0; i < numpart; i++) { | |
177 | ||
178 | if (DTEVT1.isthkk[i] == 1) { | |
179 | // | |
180 | // Use the common block values for the TParticle constructor | |
181 | // | |
1a52e0ed | 182 | new(Particles[nump]) TParticle( |
183 | DTEVT1.idhkk[i], | |
184 | DTEVT1.isthkk[i], | |
185 | -1, | |
186 | -1, | |
187 | -1, | |
188 | -1, | |
189 | DTEVT1.phkk[i][0], | |
190 | DTEVT1.phkk[i][1], | |
191 | DTEVT1.phkk[i][2], | |
192 | DTEVT1.phkk[i][3], | |
193 | ||
194 | DTEVT1.vhkk[i][0], | |
195 | DTEVT1.vhkk[i][1], | |
196 | DTEVT1.vhkk[i][2], | |
197 | DTEVT1.vhkk[i][3]); | |
198 | nump++; | |
199 | } | |
200 | } | |
201 | } | |
202 | else if(!strcmp(option,"All")){ | |
203 | nump = numpart; | |
204 | for (Int_t i=0; i <= numpart; i++){ | |
205 | ||
206 | // DTEVT1.JMOHKK[i][0] pointer to the entry of the 1st mother of entry i | |
207 | Int_t iParent = DTEVT1.jmohkk[i][0] - 1; | |
208 | ||
209 | if(iParent >= 0){ | |
210 | TParticle *mother = (TParticle*) (Particles.UncheckedAt(iParent)); | |
1a52e0ed | 211 | mother->SetLastDaughter(i); |
212 | if(mother->GetFirstDaughter() == -1) mother->SetFirstDaughter(i); | |
213 | } | |
214 | // --- PDGcode for residual nuclei (idhkk=80000) | |
215 | // --- 10000*Z + 10*A | |
216 | // --- DPMJET -> idres = mass #, idxres = charge | |
217 | if(DTEVT1.idhkk[i] == 80000) | |
218 | DTEVT1.idhkk[i] = 10000*DTEVT2.idxres[i]+10*DTEVT2.idres[i]; | |
d38751f5 | 219 | /* |
1a52e0ed | 220 | if(DTEVT2.idxres[i] != 0) |
221 | printf("\n pc#%d -> A = %d, Z = %d -> PDGcode = %d\n", | |
222 | i,DTEVT2.idres[i],DTEVT2.idxres[i],DTEVT1.idhkk[i]); | |
d38751f5 | 223 | */ |
1a52e0ed | 224 | new(Particles[i]) TParticle( |
225 | DTEVT1.idhkk[i], | |
226 | DTEVT1.isthkk[i], | |
227 | iParent, | |
228 | -1, | |
229 | -1, | |
230 | -1, | |
231 | ||
232 | DTEVT1.phkk[i][0], | |
233 | DTEVT1.phkk[i][1], | |
234 | DTEVT1.phkk[i][2], | |
235 | DTEVT1.phkk[i][3], | |
236 | ||
237 | DTEVT1.vhkk[i][0], | |
238 | DTEVT1.vhkk[i][1], | |
239 | DTEVT1.vhkk[i][2], | |
240 | DTEVT1.vhkk[i][3]); | |
1a52e0ed | 241 | } // Particle loop |
242 | } | |
243 | return nump; | |
244 | } | |
245 | ||
246 | ||
247 | //====================== access to dpmjet subroutines ========================= | |
248 | //______________________________________________________________________________ | |
249 | void TDPMjet::Initialize() | |
250 | { | |
d38751f5 | 251 | // |
252 | // Write standard DPMJET input cards | |
253 | // | |
254 | FILE* out = fopen("dpmjet.inp","w"); | |
255 | // Projectile and Target definition | |
256 | 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.); | |
257 | 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.); | |
258 | // Beam energy and crossing-angle | |
259 | fprintf(out, "BEAM %10.1f%10.1f%10.1f%10.1f%10.1f%10.1f\n",fEpn, fEpn, 0., 0., 0., 0.); | |
260 | // Centrality | |
261 | fprintf(out, "CENTRAL %10.1f%10.1f%10.1f%10.1f%10.1f%10.1f\n",-1., fBmin, fBmax, 0., 0., 0.); | |
f97d4a8e | 262 | // Particle decays |
263 | if (fPi0Decay) | |
264 | fprintf(out, "PARDECAY %10.1f%10.1f%10.1f%10.1f%10.1f%10.1f\n", 2., 0., 0., 0., 0., 0.); | |
d38751f5 | 265 | // |
266 | // PHOJET specific | |
267 | fprintf(out, "PHOINPUT\n"); | |
268 | fprintf(out, "DEBUG 0 0 0 \n"); | |
6a45631b | 269 | |
d38751f5 | 270 | if (fProcess == kDpmMb) { |
271 | fprintf(out, "PROCESS 1 0 1 1 1 1 1 1\n"); | |
272 | } else if (fProcess == kDpmMbNonDiffr) { | |
273 | fprintf(out, "PROCESS 1 0 1 1 0 0 0 1\n"); | |
6a45631b | 274 | } else if (fProcess == kDpmDiffr) { |
275 | fprintf(out, "PROCESS 0 0 0 0 1 1 1 0\n"); | |
276 | }else if (fProcess == kDpmSingleDiffr) { | |
277 | fprintf(out, "PROCESS 0 0 0 0 1 1 0 0\n"); | |
278 | }else if (fProcess == kDpmDoubleDiffr) { | |
279 | fprintf(out, "PROCESS 0 0 0 0 0 0 1 0\n"); | |
d38751f5 | 280 | } |
281 | ||
282 | fprintf(out, "ENDINPUT\n"); | |
283 | // | |
284 | // START card | |
285 | fprintf(out, "START 1.0 0.0\n"); | |
286 | fprintf(out, "STOP\n"); | |
287 | fclose(out); | |
db274076 | 288 | dpmjet_openinp(); |
289 | ||
d38751f5 | 290 | // |
291 | // Call DPMJET initialisation | |
292 | Int_t iemu = 0; // No emulsion (default) | |
293 | Dt_Dtuini(1, fEpn, fIp, fIpz, fIt, fItz, fIdp, iemu); | |
1a52e0ed | 294 | |
295 | } | |
296 | ||
297 | ||
298 | //______________________________________________________________________________ | |
299 | void TDPMjet::GenerateEvent() | |
300 | { | |
301 | // Generates one event; | |
302 | fNEvent++; | |
303 | DTEVNO.nevent=fNEvent; | |
1a52e0ed | 304 | Int_t kkmat=-1; |
305 | Float_t Elab = fEpn; | |
306 | Int_t irej=0; | |
307 | Dt_Kkinc(fIp, fIpz, fIt, fItz, fIdp, Elab, kkmat, irej); | |
308 | if(irej!=0) return; | |
1a52e0ed | 309 | } |
310 | //______________________________________________________________________________ | |
311 | void TDPMjet::Dt_Dtuini(int nevts, double epn, int npmass, int npchar, | |
312 | int ntmass, int ntchar, int idp, int iemu) | |
313 | { | |
314 | // Call dmpjet routine DT_DTUINI passing the parameters | |
315 | // in a way accepted by Fortran routines | |
316 | ||
d38751f5 | 317 | |
318 | printf("\n-------------------------------------------\n"); | |
1a52e0ed | 319 | printf("\n Dt_Dtuini called with:\n\n"); |
320 | printf(" Projectile -> A = %d, Z = %d \n",npmass, npchar); | |
321 | printf(" Target -> A = %d, Z = %d \n",ntmass, ntchar); | |
322 | printf(" Proj. LAB E -> E = %f GeV \n",epn); | |
323 | printf(" nevts = %d, idp = %d, iemu = %d \n",nevts,idp,iemu); | |
d38751f5 | 324 | printf("\n-------------------------------------------\n"); |
1a52e0ed | 325 | |
326 | dt_dtuini(nevts, epn, npmass, npchar, ntmass, ntchar, idp, iemu); | |
327 | ||
328 | } | |
329 | ||
330 | //______________________________________________________________________________ | |
331 | void TDPMjet::Dt_Kkinc(int npmass, int npchar, int ntmass, int ntchar, | |
332 | int idp, double elab, int kkmat, int irej) | |
333 | { | |
334 | // Call dmpjet routine DT_KKINC passing the parameters | |
335 | // in a way accepted by Fortran routines | |
1a52e0ed | 336 | dt_kkinc(npmass, npchar, ntmass, ntchar, idp, elab, kkmat, irej); |
1a52e0ed | 337 | } |
338 | ||
339 | //______________________________________________________________________________ | |
340 | void TDPMjet::Pho_Phist(int imode, double weight) | |
341 | { | |
342 | // Call dmpjet routine PHO_PHIST passing the parameters | |
343 | // in a way accepted by Fortran routines | |
344 | ||
345 | pho_phist(imode,weight); | |
346 | ||
347 | } | |
348 | ||
349 | //______________________________________________________________________________ | |
350 | void TDPMjet::Dt_Dtuout() | |
351 | { | |
352 | // Call dmpjet routine DT_DTUOT passing the parameters | |
353 | // in a way accepted by Fortran routines | |
354 | ||
355 | dt_dtuout(); | |
356 | ||
357 | } | |
358 | ||
359 | //______________________________________________________________________________ | |
360 | Int_t TDPMjet::GetEvNum() const | |
361 | { | |
362 | return DTEVT1.nevhkk; | |
363 | } | |
364 | //______________________________________________________________________________ | |
365 | Int_t TDPMjet::GetEntriesNum() const | |
366 | { | |
367 | return DTEVT1.nhkk; | |
368 | } | |
369 | //______________________________________________________________________________ | |
370 | Int_t TDPMjet::GetNumStablePc() const | |
371 | { | |
372 | Int_t NumStablePc = 0; | |
373 | for(Int_t i=0; i<DTEVT1.nhkk; i++){ | |
374 | if(DTEVT1.isthkk[i] == 1) NumStablePc++; | |
375 | } | |
376 | return NumStablePc; | |
377 | } | |
378 | ||
379 | //______________________________________________________________________________ | |
380 | Float_t TDPMjet::GetTotEnergy() const | |
381 | { | |
382 | Float_t TotEnergy = 0.; | |
383 | for(Int_t i=0; i<DTEVT1.nhkk; i++){ | |
384 | if(DTEVT1.isthkk[i] == 1) | |
385 | TotEnergy += DTEVT1.phkk[i][3]; // PHKK[i][3] <-> PHKK(4,i) | |
386 | } | |
387 | return TotEnergy; | |
388 | } | |
389 | ||
390 | //______________________________________________________________________________ | |
391 | Int_t TDPMjet::GetStatusCode(Int_t evnum) const | |
392 | { | |
393 | return DTEVT1.isthkk[evnum]; | |
394 | } | |
395 | //______________________________________________________________________________ | |
396 | Int_t TDPMjet::GetPDGCode(Int_t evnum) const | |
397 | { | |
398 | return DTEVT1.idhkk[evnum]; | |
399 | } | |
400 | //______________________________________________________________________________ | |
401 | Double_t TDPMjet::Getpx(Int_t evnum) const | |
402 | { | |
403 | return DTEVT1.phkk[evnum][0]; | |
404 | } | |
405 | //______________________________________________________________________________ | |
406 | Double_t TDPMjet::Getpy(Int_t evnum) const | |
407 | { | |
408 | return DTEVT1.phkk[evnum][1]; | |
409 | } | |
410 | //______________________________________________________________________________ | |
411 | Double_t TDPMjet::Getpz(Int_t evnum) const | |
412 | { | |
413 | return DTEVT1.phkk[evnum][2]; | |
414 | } | |
415 | //______________________________________________________________________________ | |
416 | Double_t TDPMjet::GetEnergy(Int_t evnum) const | |
417 | { | |
418 | return DTEVT1.phkk[evnum][3]; | |
419 | } | |
420 | //______________________________________________________________________________ | |
421 | Double_t TDPMjet::GetMass(Int_t evnum) const | |
422 | { | |
423 | return DTEVT1.phkk[evnum][4]; | |
424 | } | |
425 | //______________________________________________________________________________ | |
426 | Int_t TDPMjet::GetFragmentA(Int_t evnum) const | |
427 | { | |
428 | return DTEVT2.idres[evnum]; | |
429 | } | |
430 | //______________________________________________________________________________ | |
431 | Int_t TDPMjet::GetFragmentZ(Int_t evnum) const | |
432 | { | |
433 | return DTEVT2.idxres[evnum]; | |
434 | } | |
435 | //______________________________________________________________________________ | |
436 | Double_t TDPMjet::GetXSFrac() const | |
437 | { | |
438 | return DTIMPA.xsfrac; | |
439 | } | |
440 | //______________________________________________________________________________ | |
441 | Double_t TDPMjet::GetBImpac() const | |
442 | { | |
443 | return DTGLCP.bimpac; | |
444 | } | |
445 | //______________________________________________________________________________ | |
446 | Double_t TDPMjet::GetProjRadius() const | |
447 | { | |
448 | return DTGLCP.rproj; | |
449 | } | |
450 | //______________________________________________________________________________ | |
451 | Double_t TDPMjet::GetTargRadius() const | |
452 | { | |
453 | return DTGLCP.rtarg; | |
454 | } | |
455 | //______________________________________________________________________________ | |
456 | Int_t TDPMjet::GetProjWounded() const | |
457 | { | |
458 | return DTGLCP.nwasam; | |
459 | } | |
460 | //______________________________________________________________________________ | |
461 | Int_t TDPMjet::GetTargWounded() const | |
462 | { | |
463 | return DTGLCP.nwbsam; | |
464 | } | |
465 | //______________________________________________________________________________ | |
466 | Int_t TDPMjet::GetProjSpectators() const | |
467 | { | |
468 | return DTGLCP.nwtaac; | |
469 | } | |
470 | //______________________________________________________________________________ | |
471 | Int_t TDPMjet::GetTargSpectators() const | |
472 | { | |
473 | return DTGLCP.nwtbac; | |
474 | } | |
9dcc0beb | 475 | //______________________________________________________________________________ |
476 | Int_t TDPMjet::GetProcessCode() const | |
477 | { | |
478 | return POPRCS.iproce; | |
479 | } | |
1a52e0ed | 480 | //______________________________________________________________________________ |
481 | void TDPMjet::Dt_Rndm(int idummy) | |
482 | { | |
483 | dt_rndm(idummy); | |
484 | } | |
485 | ||
486 | //______________________________________________________________________________ | |
487 | void TDPMjet::Dt_Rndmst(int na1, int na2, int na3, int nb1) | |
488 | { | |
489 | dt_rndmst(na1, na2, na3, nb1); | |
490 | } | |
491 | ||
492 | //______________________________________________________________________________ | |
493 | void TDPMjet::Dt_Rndmin(int u, int c, int cd, int cm, int i, int j) | |
494 | { | |
495 | dt_rndmin(u, c, cd, cm, i, j); | |
496 | } | |
497 | ||
498 | //______________________________________________________________________________ | |
499 | void TDPMjet::Dt_Rndmou(int u, int c, int cd, int cm, int i, int j) | |
500 | { | |
501 | dt_rndmou(u, c, cd, cm, i, j); | |
502 | } | |
503 |