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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]); |
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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 | |