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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" | |
42 | //*KEEP,TParticle,T=C++. | |
43 | #include "TParticle.h" | |
44 | //*KEND. | |
45 | ||
46 | //*KEEP,TROOT. | |
47 | #include "TROOT.h" | |
48 | //*KEND. | |
49 | ||
50 | #ifndef WIN32 | |
51 | # define dt_dtuini dt_dtuini_ | |
52 | # define dt_getemu de_getemu_ | |
53 | # define dt_kkinc dt_kkinc_ | |
54 | # define pho_phist pho_phist_ | |
55 | # define dt_dtuout dt_dtuout_ | |
56 | # define dt_rndm dt_rndm_ | |
57 | # define dt_rndmst dt_rndmst_ | |
58 | # define dt_rndmin dt_rndmin_ | |
59 | # define dt_rndmou dt_rndmou_ | |
60 | # define type_of_call | |
61 | #else | |
62 | # define dt_dtuini DT_DTUINI | |
63 | # define dt_getemu DT_GETEMU | |
64 | # define dt_kkinc DT_KKINC | |
65 | # define pho_phist PHO_PHIST | |
66 | # define dt_dtuout DT_DTUOUT | |
67 | # define dt_rndm DT_RNDM | |
68 | # define dt_rndmst DT_RNDMST | |
69 | # define dt_rndmin DT_RNDMIN | |
70 | # define dt_rndmou DT_RNDMOU | |
71 | # define type_of_call _stdcall | |
72 | #endif | |
73 | ||
74 | #ifndef WIN32 | |
75 | extern "C" void type_of_call dt_dtuini(Int_t & , Double_t &, Int_t & , Int_t &, | |
76 | Int_t &, Int_t &, Int_t &, Int_t &); | |
77 | extern "C" double type_of_call dt_getemu(Int_t &, Int_t &, Int_t &, Int_t &); | |
78 | extern "C" void type_of_call dt_kkinc(Int_t &, Int_t &, Int_t &, Int_t &, | |
79 | Int_t &, Double_t &, Int_t &, Int_t &); | |
80 | extern "C" void type_of_call pho_phist(Int_t &, Double_t &); | |
81 | extern "C" void type_of_call dt_dtuout(); | |
82 | extern "C" void type_of_call dt_rndm(Int_t &); | |
83 | extern "C" void type_of_call dt_rndmst(Int_t &, Int_t &, Int_t &, Int_t &); | |
84 | extern "C" void type_of_call dt_rndmin(Int_t &, Int_t &, Int_t &, Int_t &, Int_t &, Int_t &); | |
85 | extern "C" void type_of_call dt_rndmou(Int_t &, Int_t &, Int_t &, Int_t &, Int_t &, Int_t &); | |
86 | ||
87 | #else | |
88 | ||
89 | #endif | |
90 | ||
91 | ClassImp(TDPMjet) | |
92 | ||
93 | //______________________________________________________________________________ | |
94 | TDPMjet::TDPMjet() : TGenerator("dpmjet","dpmjet") | |
95 | { | |
96 | ||
97 | } | |
98 | ||
99 | //______________________________________________________________________________ | |
100 | TDPMjet::TDPMjet(Int_t Ip=208, Int_t Ipz=82, Int_t It=208, Int_t Itz=82, | |
101 | Double_t Epn=2700., Double_t CMEn=5400.) | |
102 | : TGenerator("dpmjet","dpmjet") | |
103 | { | |
104 | fNEvent = 0; | |
105 | fIp = Ip; | |
106 | fIpz = Ipz; | |
107 | fIt = It; | |
108 | fItz = Itz; | |
109 | fEpn = Epn; | |
110 | fCMEn = CMEn; | |
111 | fIdp = 0; | |
112 | } | |
113 | ||
114 | ||
115 | //______________________________________________________________________________ | |
116 | Int_t TDPMjet::ImportParticles(TClonesArray *particles, Option_t *option) | |
117 | { | |
118 | // | |
119 | // Default primary creation method. It reads the /HEPEVT/ common block which | |
120 | // has been filled by the GenerateEvent method. If the event generator does | |
121 | // not use the HEPEVT common block, This routine has to be overloaded by | |
122 | // the subclasses. | |
123 | // The function loops on the generated particles and store them in | |
124 | // the TClonesArray pointed by the argument particles. | |
125 | // The default action is to store only the stable particles | |
126 | // This can be demanded explicitly by setting the option = "Final" | |
127 | // If the option = "All", all the particles are stored. | |
128 | // | |
129 | if(particles==0) return 0; | |
130 | TClonesArray &Particles = *particles; | |
131 | Particles.Clear(); | |
132 | Int_t numpart = 0; // Total number of produced particles | |
133 | Int_t numStabpart = 0; // Total number of produced stable particles | |
134 | Double_t entot = 0; // Total energy in final state (from stable particles) | |
135 | ||
136 | numpart = DTEVT1.nhkk; | |
137 | for(Int_t i=0; i<numpart; i++){ | |
138 | if(DTEVT1.isthkk[i]==1 || DTEVT1.isthkk[i]==-1 || DTEVT1.isthkk[i]==1001){ | |
139 | numStabpart++; | |
140 | entot += DTEVT1.phkk[i][3]; // PHKK[i][3] <-> PHKK(4,i) | |
141 | } | |
142 | } | |
143 | printf("\n TDPMjet: DPMJET stack contains %d particles", numpart); | |
144 | printf("\n TDPMjet: Final not decayed particles: %d", numStabpart); | |
145 | printf("\n TDPMjet: Total energy: %f GeV \n", entot); | |
146 | Int_t nump = 0; | |
147 | ||
148 | if(!strcmp(option,"") || !strcmp(option,"Final")){ | |
149 | for (Int_t i=0; i < numpart; i++) { | |
150 | ||
151 | if (DTEVT1.isthkk[i] == 1) { | |
152 | // | |
153 | // Use the common block values for the TParticle constructor | |
154 | // | |
155 | //printf(" DTEVT1.isthkk[i]=1 -> i = %d, nump = %d\n",i,nump); | |
156 | new(Particles[nump]) TParticle( | |
157 | DTEVT1.idhkk[i], | |
158 | DTEVT1.isthkk[i], | |
159 | -1, | |
160 | -1, | |
161 | -1, | |
162 | -1, | |
163 | DTEVT1.phkk[i][0], | |
164 | DTEVT1.phkk[i][1], | |
165 | DTEVT1.phkk[i][2], | |
166 | DTEVT1.phkk[i][3], | |
167 | ||
168 | DTEVT1.vhkk[i][0], | |
169 | DTEVT1.vhkk[i][1], | |
170 | DTEVT1.vhkk[i][2], | |
171 | DTEVT1.vhkk[i][3]); | |
172 | nump++; | |
173 | } | |
174 | } | |
175 | } | |
176 | else if(!strcmp(option,"All")){ | |
177 | nump = numpart; | |
178 | for (Int_t i=0; i <= numpart; i++){ | |
179 | ||
180 | // DTEVT1.JMOHKK[i][0] pointer to the entry of the 1st mother of entry i | |
181 | Int_t iParent = DTEVT1.jmohkk[i][0] - 1; | |
182 | ||
183 | if(iParent >= 0){ | |
184 | TParticle *mother = (TParticle*) (Particles.UncheckedAt(iParent)); | |
185 | //printf(" i = %d, iParent = %d ", i, iParent); | |
186 | //mother->Print(); | |
187 | //printf("\n"); | |
188 | mother->SetLastDaughter(i); | |
189 | if(mother->GetFirstDaughter() == -1) mother->SetFirstDaughter(i); | |
190 | } | |
191 | // --- PDGcode for residual nuclei (idhkk=80000) | |
192 | // --- 10000*Z + 10*A | |
193 | // --- DPMJET -> idres = mass #, idxres = charge | |
194 | if(DTEVT1.idhkk[i] == 80000) | |
195 | DTEVT1.idhkk[i] = 10000*DTEVT2.idxres[i]+10*DTEVT2.idres[i]; | |
196 | if(DTEVT2.idxres[i] != 0) | |
197 | printf("\n pc#%d -> A = %d, Z = %d -> PDGcode = %d\n", | |
198 | i,DTEVT2.idres[i],DTEVT2.idxres[i],DTEVT1.idhkk[i]); | |
199 | ||
200 | new(Particles[i]) TParticle( | |
201 | DTEVT1.idhkk[i], | |
202 | DTEVT1.isthkk[i], | |
203 | iParent, | |
204 | -1, | |
205 | -1, | |
206 | -1, | |
207 | ||
208 | DTEVT1.phkk[i][0], | |
209 | DTEVT1.phkk[i][1], | |
210 | DTEVT1.phkk[i][2], | |
211 | DTEVT1.phkk[i][3], | |
212 | ||
213 | DTEVT1.vhkk[i][0], | |
214 | DTEVT1.vhkk[i][1], | |
215 | DTEVT1.vhkk[i][2], | |
216 | DTEVT1.vhkk[i][3]); | |
1a52e0ed | 217 | } // Particle loop |
218 | } | |
219 | return nump; | |
220 | } | |
221 | ||
222 | ||
223 | //====================== access to dpmjet subroutines ========================= | |
224 | //______________________________________________________________________________ | |
225 | void TDPMjet::Initialize() | |
226 | { | |
227 | //******************************************************************************** | |
228 | //*Calls DT_DTUINI with the either default parameters or the ones set by the user* | |
229 | //******************************************************************************** | |
230 | ||
231 | // printf("\n-------------------------------------------\n"); | |
232 | // printf("\n TDPMjet initialized with:\n\n"); | |
233 | // printf(" Projectile -> A = %d, Z = %d \n",fIp, fIpz); | |
234 | // printf(" Target -> A = %d, Z = %d \n",fIt, fItz); | |
235 | // printf(" Proj. LAB E -> E = %f GeV \n",fEpn); | |
236 | // printf(" CM energy -> Ecm = %f GeV \n",fCMEn); | |
237 | // printf("\n-------------------------------------------\n"); | |
238 | ||
239 | Int_t iemu = 0; // No emulsion (default) | |
240 | Dt_Dtuini(1, fEpn, fIp, fIpz, fIt, fItz, fIdp, iemu); | |
241 | ||
242 | } | |
243 | ||
244 | ||
245 | //______________________________________________________________________________ | |
246 | void TDPMjet::GenerateEvent() | |
247 | { | |
248 | // Generates one event; | |
249 | fNEvent++; | |
250 | DTEVNO.nevent=fNEvent; | |
251 | //printf("\n fNEvent = %d\n",fNEvent); | |
252 | Int_t kkmat=-1; | |
253 | Float_t Elab = fEpn; | |
254 | Int_t irej=0; | |
255 | Dt_Kkinc(fIp, fIpz, fIt, fItz, fIdp, Elab, kkmat, irej); | |
256 | if(irej!=0) return; | |
257 | // | |
258 | Int_t imode=2000; | |
259 | Double_t weight=1.; | |
260 | Pho_Phist(imode, weight); | |
261 | Dt_Dtuout(); | |
262 | ||
263 | } | |
264 | //______________________________________________________________________________ | |
265 | void TDPMjet::Dt_Dtuini(int nevts, double epn, int npmass, int npchar, | |
266 | int ntmass, int ntchar, int idp, int iemu) | |
267 | { | |
268 | // Call dmpjet routine DT_DTUINI passing the parameters | |
269 | // in a way accepted by Fortran routines | |
270 | ||
271 | ||
272 | /*printf("\n-------------------------------------------\n"); | |
273 | printf("\n Dt_Dtuini called with:\n\n"); | |
274 | printf(" Projectile -> A = %d, Z = %d \n",npmass, npchar); | |
275 | printf(" Target -> A = %d, Z = %d \n",ntmass, ntchar); | |
276 | printf(" Proj. LAB E -> E = %f GeV \n",epn); | |
277 | printf(" nevts = %d, idp = %d, iemu = %d \n",nevts,idp,iemu); | |
278 | printf("\n-------------------------------------------\n");*/ | |
279 | ||
280 | dt_dtuini(nevts, epn, npmass, npchar, ntmass, ntchar, idp, iemu); | |
281 | ||
282 | } | |
283 | ||
284 | //______________________________________________________________________________ | |
285 | void TDPMjet::Dt_Kkinc(int npmass, int npchar, int ntmass, int ntchar, | |
286 | int idp, double elab, int kkmat, int irej) | |
287 | { | |
288 | // Call dmpjet routine DT_KKINC passing the parameters | |
289 | // in a way accepted by Fortran routines | |
290 | ||
291 | /*printf("\n-------------------------------------------\n"); | |
292 | printf("\n Dt_Kkinc called with:\n\n"); | |
293 | printf(" Projectile -> A = %d, Z = %d \n",npmass, npchar); | |
294 | printf(" Target -> A = %d, Z = %d \n",ntmass, ntchar); | |
295 | printf(" LAB Energy -> E = %f GeV \n",elab); | |
296 | printf(" idp = %d, kkmat = %d, irej = %d \n",idp,kkmat,irej); | |
297 | printf("\n-------------------------------------------\n");*/ | |
298 | ||
299 | dt_kkinc(npmass, npchar, ntmass, ntchar, idp, elab, kkmat, irej); | |
300 | ||
301 | } | |
302 | ||
303 | //______________________________________________________________________________ | |
304 | void TDPMjet::Pho_Phist(int imode, double weight) | |
305 | { | |
306 | // Call dmpjet routine PHO_PHIST passing the parameters | |
307 | // in a way accepted by Fortran routines | |
308 | ||
309 | pho_phist(imode,weight); | |
310 | ||
311 | } | |
312 | ||
313 | //______________________________________________________________________________ | |
314 | void TDPMjet::Dt_Dtuout() | |
315 | { | |
316 | // Call dmpjet routine DT_DTUOT passing the parameters | |
317 | // in a way accepted by Fortran routines | |
318 | ||
319 | dt_dtuout(); | |
320 | ||
321 | } | |
322 | ||
323 | //______________________________________________________________________________ | |
324 | Int_t TDPMjet::GetEvNum() const | |
325 | { | |
326 | return DTEVT1.nevhkk; | |
327 | } | |
328 | //______________________________________________________________________________ | |
329 | Int_t TDPMjet::GetEntriesNum() const | |
330 | { | |
331 | return DTEVT1.nhkk; | |
332 | } | |
333 | //______________________________________________________________________________ | |
334 | Int_t TDPMjet::GetNumStablePc() const | |
335 | { | |
336 | Int_t NumStablePc = 0; | |
337 | for(Int_t i=0; i<DTEVT1.nhkk; i++){ | |
338 | if(DTEVT1.isthkk[i] == 1) NumStablePc++; | |
339 | } | |
340 | return NumStablePc; | |
341 | } | |
342 | ||
343 | //______________________________________________________________________________ | |
344 | Float_t TDPMjet::GetTotEnergy() const | |
345 | { | |
346 | Float_t TotEnergy = 0.; | |
347 | for(Int_t i=0; i<DTEVT1.nhkk; i++){ | |
348 | if(DTEVT1.isthkk[i] == 1) | |
349 | TotEnergy += DTEVT1.phkk[i][3]; // PHKK[i][3] <-> PHKK(4,i) | |
350 | } | |
351 | return TotEnergy; | |
352 | } | |
353 | ||
354 | //______________________________________________________________________________ | |
355 | Int_t TDPMjet::GetStatusCode(Int_t evnum) const | |
356 | { | |
357 | return DTEVT1.isthkk[evnum]; | |
358 | } | |
359 | //______________________________________________________________________________ | |
360 | Int_t TDPMjet::GetPDGCode(Int_t evnum) const | |
361 | { | |
362 | return DTEVT1.idhkk[evnum]; | |
363 | } | |
364 | //______________________________________________________________________________ | |
365 | Double_t TDPMjet::Getpx(Int_t evnum) const | |
366 | { | |
367 | return DTEVT1.phkk[evnum][0]; | |
368 | } | |
369 | //______________________________________________________________________________ | |
370 | Double_t TDPMjet::Getpy(Int_t evnum) const | |
371 | { | |
372 | return DTEVT1.phkk[evnum][1]; | |
373 | } | |
374 | //______________________________________________________________________________ | |
375 | Double_t TDPMjet::Getpz(Int_t evnum) const | |
376 | { | |
377 | return DTEVT1.phkk[evnum][2]; | |
378 | } | |
379 | //______________________________________________________________________________ | |
380 | Double_t TDPMjet::GetEnergy(Int_t evnum) const | |
381 | { | |
382 | return DTEVT1.phkk[evnum][3]; | |
383 | } | |
384 | //______________________________________________________________________________ | |
385 | Double_t TDPMjet::GetMass(Int_t evnum) const | |
386 | { | |
387 | return DTEVT1.phkk[evnum][4]; | |
388 | } | |
389 | //______________________________________________________________________________ | |
390 | Int_t TDPMjet::GetFragmentA(Int_t evnum) const | |
391 | { | |
392 | return DTEVT2.idres[evnum]; | |
393 | } | |
394 | //______________________________________________________________________________ | |
395 | Int_t TDPMjet::GetFragmentZ(Int_t evnum) const | |
396 | { | |
397 | return DTEVT2.idxres[evnum]; | |
398 | } | |
399 | //______________________________________________________________________________ | |
400 | Double_t TDPMjet::GetXSFrac() const | |
401 | { | |
402 | return DTIMPA.xsfrac; | |
403 | } | |
404 | //______________________________________________________________________________ | |
405 | Double_t TDPMjet::GetBImpac() const | |
406 | { | |
407 | return DTGLCP.bimpac; | |
408 | } | |
409 | //______________________________________________________________________________ | |
410 | Double_t TDPMjet::GetProjRadius() const | |
411 | { | |
412 | return DTGLCP.rproj; | |
413 | } | |
414 | //______________________________________________________________________________ | |
415 | Double_t TDPMjet::GetTargRadius() const | |
416 | { | |
417 | return DTGLCP.rtarg; | |
418 | } | |
419 | //______________________________________________________________________________ | |
420 | Int_t TDPMjet::GetProjWounded() const | |
421 | { | |
422 | return DTGLCP.nwasam; | |
423 | } | |
424 | //______________________________________________________________________________ | |
425 | Int_t TDPMjet::GetTargWounded() const | |
426 | { | |
427 | return DTGLCP.nwbsam; | |
428 | } | |
429 | //______________________________________________________________________________ | |
430 | Int_t TDPMjet::GetProjSpectators() const | |
431 | { | |
432 | return DTGLCP.nwtaac; | |
433 | } | |
434 | //______________________________________________________________________________ | |
435 | Int_t TDPMjet::GetTargSpectators() const | |
436 | { | |
437 | return DTGLCP.nwtbac; | |
438 | } | |
439 | ||
440 | //______________________________________________________________________________ | |
441 | void TDPMjet::Dt_Rndm(int idummy) | |
442 | { | |
443 | dt_rndm(idummy); | |
444 | } | |
445 | ||
446 | //______________________________________________________________________________ | |
447 | void TDPMjet::Dt_Rndmst(int na1, int na2, int na3, int nb1) | |
448 | { | |
449 | dt_rndmst(na1, na2, na3, nb1); | |
450 | } | |
451 | ||
452 | //______________________________________________________________________________ | |
453 | void TDPMjet::Dt_Rndmin(int u, int c, int cd, int cm, int i, int j) | |
454 | { | |
455 | dt_rndmin(u, c, cd, cm, i, j); | |
456 | } | |
457 | ||
458 | //______________________________________________________________________________ | |
459 | void TDPMjet::Dt_Rndmou(int u, int c, int cd, int cm, int i, int j) | |
460 | { | |
461 | dt_rndmou(u, c, cd, cm, i, j); | |
462 | } | |
463 |