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4c039060 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* | |
17 | $Log$ | |
919c2096 | 18 | Revision 1.24 2000/09/18 10:41:35 morsch |
19 | Add possibility to use nuclear structure functions from PDF library V8. | |
20 | ||
811826d8 | 21 | Revision 1.23 2000/09/14 14:05:40 morsch |
22 | dito | |
23 | ||
819f84ad | 24 | Revision 1.22 2000/09/14 14:02:22 morsch |
25 | - Correct conversion from mm to cm when passing particle vertex to MC. | |
26 | - Correct handling of fForceDecay == all. | |
27 | ||
4451ef92 | 28 | Revision 1.21 2000/09/12 14:14:55 morsch |
29 | Call fDecayer->ForceDecay() at the beginning of Generate(). | |
30 | ||
00d6ce7d | 31 | Revision 1.20 2000/09/06 14:29:33 morsch |
32 | Use AliPythia for event generation an AliDecayPythia for decays. | |
33 | Correct handling of "nodecay" option | |
34 | ||
18edb254 | 35 | Revision 1.19 2000/07/11 18:24:56 fca |
36 | Coding convention corrections + few minor bug fixes | |
37 | ||
aee8290b | 38 | Revision 1.18 2000/06/30 12:40:34 morsch |
39 | Pythia takes care of vertex smearing. Correct conversion from Pythia units (mm) to | |
40 | Geant units (cm). | |
41 | ||
1512e357 | 42 | Revision 1.17 2000/06/09 20:34:07 morsch |
43 | All coding rule violations except RS3 corrected | |
44 | ||
f87cfe57 | 45 | Revision 1.16 2000/05/15 15:04:20 morsch |
46 | The full event is written for fNtrack = -1 | |
47 | Coding rule violations corrected. | |
48 | ||
5ddeb374 | 49 | Revision 1.15 2000/04/26 10:14:24 morsch |
50 | Particles array has one entry more than pythia particle list. Upper bound of | |
51 | particle loop changed to np-1 (R. Guernane, AM) | |
52 | ||
2a0e6f5b | 53 | Revision 1.14 2000/04/05 08:36:13 morsch |
54 | Check status code of particles in Pythia event | |
55 | to avoid double counting as partonic state and final state particle. | |
56 | ||
23211d3e | 57 | Revision 1.13 1999/11/09 07:38:48 fca |
58 | Changes for compatibility with version 2.23 of ROOT | |
59 | ||
084c1b4a | 60 | Revision 1.12 1999/11/03 17:43:20 fca |
61 | New version from G.Martinez & A.Morsch | |
62 | ||
886b6f73 | 63 | Revision 1.11 1999/09/29 09:24:14 fca |
64 | Introduction of the Copyright and cvs Log | |
4c039060 | 65 | */ |
66 | ||
fe4da5cc | 67 | #include "AliGenPythia.h" |
18edb254 | 68 | #include "AliDecayerPythia.h" |
fe4da5cc | 69 | #include "AliRun.h" |
70 | #include "AliPythia.h" | |
18edb254 | 71 | #include "AliPDG.h" |
1578254f | 72 | #include <TParticle.h> |
18edb254 | 73 | #include <TSystem.h> |
f87cfe57 | 74 | |
fe4da5cc | 75 | ClassImp(AliGenPythia) |
76 | ||
77 | AliGenPythia::AliGenPythia() | |
78 | :AliGenerator() | |
79 | { | |
18edb254 | 80 | // Default Constructor |
81 | fDecayer = new AliDecayerPythia(); | |
fe4da5cc | 82 | } |
83 | ||
84 | AliGenPythia::AliGenPythia(Int_t npart) | |
85 | :AliGenerator(npart) | |
86 | { | |
87 | // default charm production at 5. 5 TeV | |
88 | // semimuonic decay | |
89 | // structure function GRVHO | |
90 | // | |
91 | fXsection = 0.; | |
811826d8 | 92 | fNucA1=0; |
93 | fNucA2=0; | |
fe4da5cc | 94 | fParentSelect.Set(5); |
95 | fChildSelect.Set(5); | |
96 | for (Int_t i=0; i<5; i++) fParentSelect[i]=fChildSelect[i]=0; | |
97 | SetProcess(); | |
98 | SetStrucFunc(); | |
886b6f73 | 99 | SetForceDecay(); |
fe4da5cc | 100 | SetPtHard(); |
101 | SetEnergyCMS(); | |
18edb254 | 102 | fDecayer = new AliDecayerPythia(); |
fe4da5cc | 103 | } |
104 | ||
f87cfe57 | 105 | AliGenPythia::AliGenPythia(const AliGenPythia & Pythia) |
106 | { | |
107 | // copy constructor | |
108 | } | |
109 | ||
fe4da5cc | 110 | AliGenPythia::~AliGenPythia() |
111 | { | |
5ddeb374 | 112 | // Destructor |
fe4da5cc | 113 | } |
114 | ||
115 | void AliGenPythia::Init() | |
116 | { | |
5ddeb374 | 117 | // Initialisation |
18edb254 | 118 | SetMC(AliPythia::Instance()); |
fe4da5cc | 119 | fPythia=(AliPythia*) fgMCEvGen; |
120 | // | |
121 | fParentWeight=1./Float_t(fNpart); | |
122 | // | |
123 | // Forward Paramters to the AliPythia object | |
18edb254 | 124 | // gSystem->Exec("ln -s $ALICE_ROOT/data/Decay.table fort.1"); |
125 | // fPythia->Pyupda(2,1); | |
126 | // gSystem->Exec("rm fort.1"); | |
00d6ce7d | 127 | |
128 | fDecayer->SetForceDecay(fForceDecay); | |
18edb254 | 129 | fDecayer->Init(); |
00d6ce7d | 130 | |
18edb254 | 131 | |
fe4da5cc | 132 | fPythia->SetCKIN(3,fPtHardMin); |
133 | fPythia->SetCKIN(4,fPtHardMax); | |
811826d8 | 134 | if (fNucA1 > 0 && fNucA2 > 0) fPythia->SetNuclei(fNucA1, fNucA2); |
fe4da5cc | 135 | fPythia->ProcInit(fProcess,fEnergyCMS,fStrucFunc); |
18edb254 | 136 | |
137 | // fPythia->Pylist(0); | |
138 | // fPythia->Pystat(2); | |
fe4da5cc | 139 | // Parent and Children Selection |
140 | switch (fProcess) | |
141 | { | |
142 | case charm: | |
143 | ||
144 | fParentSelect[0]=411; | |
145 | fParentSelect[1]=421; | |
146 | fParentSelect[2]=431; | |
147 | fParentSelect[3]=4122; | |
148 | break; | |
149 | case charm_unforced: | |
150 | ||
151 | fParentSelect[0]=411; | |
152 | fParentSelect[1]=421; | |
153 | fParentSelect[2]=431; | |
154 | fParentSelect[3]=4122; | |
155 | break; | |
156 | case beauty: | |
157 | fParentSelect[0]=511; | |
158 | fParentSelect[1]=521; | |
159 | fParentSelect[2]=531; | |
160 | fParentSelect[3]=5122; | |
161 | break; | |
162 | case beauty_unforced: | |
163 | fParentSelect[0]=511; | |
164 | fParentSelect[1]=521; | |
165 | fParentSelect[2]=531; | |
166 | fParentSelect[3]=5122; | |
167 | break; | |
168 | case jpsi_chi: | |
169 | case jpsi: | |
170 | fParentSelect[0]=443; | |
171 | break; | |
5be1fe76 | 172 | case mb: |
173 | break; | |
fe4da5cc | 174 | } |
175 | ||
176 | switch (fForceDecay) | |
177 | { | |
178 | case semielectronic: | |
179 | case dielectron: | |
180 | case b_jpsi_dielectron: | |
181 | case b_psip_dielectron: | |
18edb254 | 182 | fChildSelect[0]=kElectron; |
fe4da5cc | 183 | break; |
184 | case semimuonic: | |
185 | case dimuon: | |
186 | case b_jpsi_dimuon: | |
187 | case b_psip_dimuon: | |
5be1fe76 | 188 | case pitomu: |
189 | case katomu: | |
18edb254 | 190 | fChildSelect[0]=kMuonMinus; |
fe4da5cc | 191 | break; |
18edb254 | 192 | case hadronicD: |
193 | fChildSelect[0]=kPiPlus; | |
194 | fChildSelect[1]=kKPlus; | |
195 | break; | |
886b6f73 | 196 | case all: |
197 | case nodecay: | |
18edb254 | 198 | break; |
fe4da5cc | 199 | } |
200 | } | |
201 | ||
202 | void AliGenPythia::Generate() | |
203 | { | |
5ddeb374 | 204 | // Generate one event |
00d6ce7d | 205 | fDecayer->ForceDecay(); |
fe4da5cc | 206 | |
5be1fe76 | 207 | Float_t polar[3] = {0,0,0}; |
208 | Float_t origin[3]= {0,0,0}; | |
5ddeb374 | 209 | Float_t originP[3]= {0,0,0}; |
5be1fe76 | 210 | Float_t origin0[3]= {0,0,0}; |
1512e357 | 211 | Float_t p[3], pP[4]; |
212 | // Float_t random[6]; | |
09fd3ea2 | 213 | static TClonesArray *particles; |
5be1fe76 | 214 | // converts from mm/c to s |
215 | const Float_t kconv=0.001/2.999792458e8; | |
fe4da5cc | 216 | |
217 | ||
218 | // | |
fe4da5cc | 219 | Int_t nt=0; |
5ddeb374 | 220 | Int_t ntP=0; |
fe4da5cc | 221 | Int_t jev=0; |
7921755b | 222 | Int_t j, kf; |
09fd3ea2 | 223 | |
224 | if(!particles) particles=new TClonesArray("TParticle",1000); | |
fe4da5cc | 225 | |
226 | fTrials=0; | |
227 | for (j=0;j<3;j++) origin0[j]=fOrigin[j]; | |
aee8290b | 228 | if(fVertexSmear==kPerEvent) { |
1512e357 | 229 | fPythia->SetMSTP(151,1); |
fe4da5cc | 230 | for (j=0;j<3;j++) { |
1512e357 | 231 | fPythia->SetPARP(151+j, fOsigma[j]/10.); |
fe4da5cc | 232 | } |
aee8290b | 233 | } else if (fVertexSmear==kPerTrack) { |
fe4da5cc | 234 | fPythia->SetMSTP(151,0); |
fe4da5cc | 235 | } |
1512e357 | 236 | |
fe4da5cc | 237 | while(1) |
238 | { | |
084c1b4a | 239 | fPythia->Pyevnt(); |
18edb254 | 240 | // fPythia->Pylist(1); |
fe4da5cc | 241 | fTrials++; |
f1092809 | 242 | fPythia->ImportParticles(particles,"All"); |
fe4da5cc | 243 | Int_t np = particles->GetEntriesFast(); |
244 | printf("\n **************************************************%d\n",np); | |
245 | Int_t nc=0; | |
246 | if (np == 0 ) continue; | |
5be1fe76 | 247 | if (fProcess != mb) { |
2a0e6f5b | 248 | for (Int_t i = 0; i<np-1; i++) { |
1578254f | 249 | TParticle * iparticle = (TParticle *) particles->At(i); |
23211d3e | 250 | Int_t ks = iparticle->GetStatusCode(); |
a8228d85 | 251 | kf = CheckPDGCode(iparticle->GetPdgCode()); |
2a0e6f5b | 252 | if (ks==21) continue; |
253 | ||
18edb254 | 254 | fChildWeight=(fDecayer->GetPartialBranchingRatio(kf))*fParentWeight; |
fe4da5cc | 255 | // |
256 | // Parent | |
5be1fe76 | 257 | if (ParentSelected(TMath::Abs(kf))) { |
258 | if (KinematicSelection(iparticle)) { | |
259 | if (nc==0) { | |
260 | // | |
261 | // Store information concerning the hard scattering process | |
262 | // | |
5ddeb374 | 263 | Float_t massP = fPythia->GetPARI(13); |
264 | Float_t ptP = fPythia->GetPARI(17); | |
265 | Float_t yP = fPythia->GetPARI(37); | |
266 | Float_t xmtP = sqrt(ptP*ptP+massP*massP); | |
267 | Float_t ty = Float_t(TMath::TanH(yP)); | |
268 | pP[0] = ptP; | |
269 | pP[1] = 0; | |
270 | pP[2] = xmtP*ty/sqrt(1.-ty*ty); | |
271 | pP[3] = massP; | |
5be1fe76 | 272 | gAlice->SetTrack(0,-1,-1, |
5ddeb374 | 273 | pP,originP,polar, |
274 | 0,"Hard Scat.",ntP,fParentWeight); | |
275 | gAlice->KeepTrack(ntP); | |
5be1fe76 | 276 | } |
277 | nc++; | |
fe4da5cc | 278 | // |
279 | // store parent track information | |
1578254f | 280 | p[0]=iparticle->Px(); |
281 | p[1]=iparticle->Py(); | |
282 | p[2]=iparticle->Pz(); | |
819f84ad | 283 | origin[0]=origin0[0]+iparticle->Vx()/10.; |
284 | origin[1]=origin0[1]+iparticle->Vy()/10.; | |
285 | origin[2]=origin0[2]+iparticle->Vz()/10.; | |
fe4da5cc | 286 | |
1578254f | 287 | Int_t ifch=iparticle->GetFirstDaughter(); |
288 | Int_t ilch=iparticle->GetLastDaughter(); | |
18edb254 | 289 | |
290 | if ((ifch !=0 && ilch !=0) || fForceDecay == nodecay) { | |
291 | Int_t trackit=0; | |
292 | if (fForceDecay == nodecay) trackit = 1; | |
293 | gAlice->SetTrack(trackit,ntP,kf, | |
5be1fe76 | 294 | p,origin,polar, |
295 | 0,"Primary",nt,fParentWeight); | |
296 | gAlice->KeepTrack(nt); | |
297 | Int_t iparent = nt; | |
fe4da5cc | 298 | // |
299 | // Children | |
18edb254 | 300 | if (fForceDecay != nodecay) { |
301 | for (j=ifch; j<=ilch; j++) | |
302 | { | |
303 | TParticle * ichild = | |
1578254f | 304 | (TParticle *) particles->At(j-1); |
18edb254 | 305 | kf = CheckPDGCode(ichild->GetPdgCode()); |
fe4da5cc | 306 | // |
307 | // | |
18edb254 | 308 | if (ChildSelected(TMath::Abs(kf))) { |
4451ef92 | 309 | origin[0]=origin0[0]+ichild->Vx()/10.; |
310 | origin[1]=origin0[1]+ichild->Vy()/10.; | |
311 | origin[2]=origin0[2]+ichild->Vz()/10.; | |
1578254f | 312 | p[0]=ichild->Px(); |
313 | p[1]=ichild->Py(); | |
314 | p[2]=ichild->Pz(); | |
315 | Float_t tof=kconv*ichild->T(); | |
316 | gAlice->SetTrack(fTrackIt, iparent, kf, | |
5be1fe76 | 317 | p,origin,polar, |
318 | tof,"Decay",nt,fChildWeight); | |
319 | gAlice->KeepTrack(nt); | |
18edb254 | 320 | } // select child |
321 | } // child loop | |
322 | } | |
5be1fe76 | 323 | } |
324 | } // kinematic selection | |
325 | } // select particle | |
326 | } // particle loop | |
327 | } else { | |
2a0e6f5b | 328 | for (Int_t i = 0; i<np-1; i++) { |
1578254f | 329 | TParticle * iparticle = (TParticle *) particles->At(i); |
a8228d85 | 330 | kf = CheckPDGCode(iparticle->GetPdgCode()); |
1578254f | 331 | Int_t ks = iparticle->GetStatusCode(); |
2a0e6f5b | 332 | |
1578254f | 333 | if (ks==1 && kf!=0 && KinematicSelection(iparticle)) { |
5be1fe76 | 334 | nc++; |
335 | // | |
336 | // store track information | |
1578254f | 337 | p[0]=iparticle->Px(); |
338 | p[1]=iparticle->Py(); | |
339 | p[2]=iparticle->Pz(); | |
4451ef92 | 340 | origin[0]=origin0[0]+iparticle->Vx()/10.; |
341 | origin[1]=origin0[1]+iparticle->Vy()/10.; | |
342 | origin[2]=origin0[2]+iparticle->Vz()/10.; | |
1578254f | 343 | Float_t tof=kconv*iparticle->T(); |
344 | gAlice->SetTrack(fTrackIt,-1,kf,p,origin,polar, | |
5be1fe76 | 345 | tof,"Primary",nt); |
346 | gAlice->KeepTrack(nt); | |
347 | } // select particle | |
348 | } // particle loop | |
349 | printf("\n I've put %i particles on the stack \n",nc); | |
350 | } // mb ? | |
fe4da5cc | 351 | if (nc > 0) { |
5be1fe76 | 352 | jev+=nc; |
5ddeb374 | 353 | if (jev >= fNpart || fNpart == -1) { |
fe4da5cc | 354 | fKineBias=Float_t(fNpart)/Float_t(fTrials); |
23211d3e | 355 | printf("\n Trials: %i %i %i\n",fTrials, fNpart, jev); |
811826d8 | 356 | // Print x-section summary |
357 | fPythia->Pystat(1); | |
fe4da5cc | 358 | break; |
359 | } | |
360 | } | |
361 | } // event loop | |
362 | // adjust weight due to kinematic selection | |
363 | AdjustWeights(); | |
364 | // get cross-section | |
365 | fXsection=fPythia->GetPARI(1); | |
366 | } | |
367 | ||
368 | Bool_t AliGenPythia::ParentSelected(Int_t ip) | |
369 | { | |
5ddeb374 | 370 | // True if particle is in list of parent particles to be selected |
fe4da5cc | 371 | for (Int_t i=0; i<5; i++) |
372 | { | |
373 | if (fParentSelect[i]==ip) return kTRUE; | |
374 | } | |
375 | return kFALSE; | |
376 | } | |
377 | ||
378 | Bool_t AliGenPythia::ChildSelected(Int_t ip) | |
379 | { | |
5ddeb374 | 380 | // True if particle is in list of decay products to be selected |
4451ef92 | 381 | if (fForceDecay == all) return kTRUE; |
382 | ||
fe4da5cc | 383 | for (Int_t i=0; i<5; i++) |
384 | { | |
385 | if (fChildSelect[i]==ip) return kTRUE; | |
386 | } | |
387 | return kFALSE; | |
388 | } | |
389 | ||
1578254f | 390 | Bool_t AliGenPythia::KinematicSelection(TParticle *particle) |
fe4da5cc | 391 | { |
5ddeb374 | 392 | // Perform kinematic selection |
1578254f | 393 | Float_t px=particle->Px(); |
394 | Float_t py=particle->Py(); | |
395 | Float_t pz=particle->Pz(); | |
396 | Float_t e=particle->Energy(); | |
fe4da5cc | 397 | |
398 | // | |
399 | // transverse momentum cut | |
400 | Float_t pt=TMath::Sqrt(px*px+py*py); | |
401 | if (pt > fPtMax || pt < fPtMin) | |
402 | { | |
403 | // printf("\n failed pt cut %f %f %f \n",pt,fPtMin,fPtMax); | |
404 | return kFALSE; | |
405 | } | |
406 | // | |
407 | // momentum cut | |
408 | Float_t p=TMath::Sqrt(px*px+py*py+pz*pz); | |
409 | if (p > fPMax || p < fPMin) | |
410 | { | |
411 | // printf("\n failed p cut %f %f %f \n",p,fPMin,fPMax); | |
412 | return kFALSE; | |
413 | } | |
414 | ||
415 | // | |
416 | // theta cut | |
5be1fe76 | 417 | Float_t theta = Float_t(TMath::ATan2(Double_t(pt),Double_t(pz))); |
fe4da5cc | 418 | if (theta > fThetaMax || theta < fThetaMin) |
419 | { | |
420 | // printf("\n failed theta cut %f %f %f \n",theta,fThetaMin,fThetaMax); | |
421 | return kFALSE; | |
422 | } | |
423 | ||
424 | // | |
425 | // rapidity cut | |
919c2096 | 426 | if (e==pz) { |
427 | return kFALSE; | |
428 | } | |
429 | else { | |
430 | Float_t y = 0.5*TMath::Log((e+pz)/(e-pz)); | |
431 | if (y > fYMax || y < fYMin) | |
432 | { | |
fe4da5cc | 433 | // printf("\n failed y cut %f %f %f \n",y,fYMin,fYMax); |
919c2096 | 434 | return kFALSE; |
435 | } | |
fe4da5cc | 436 | } |
437 | ||
438 | // | |
439 | // phi cut | |
f87cfe57 | 440 | Float_t phi=Float_t(TMath::ATan2(Double_t(py),Double_t(px))); |
fe4da5cc | 441 | if (phi > fPhiMax || phi < fPhiMin) |
442 | { | |
443 | // printf("\n failed phi cut %f %f %f \n",phi,fPhiMin,fPhiMax); | |
444 | return kFALSE; | |
445 | } | |
446 | ||
447 | return kTRUE; | |
448 | } | |
449 | void AliGenPythia::AdjustWeights() | |
450 | { | |
5ddeb374 | 451 | // Adjust the weights after generation of all events |
452 | // | |
453 | TClonesArray *partArray = gAlice->Particles(); | |
454 | TParticle *part; | |
fe4da5cc | 455 | Int_t ntrack=gAlice->GetNtrack(); |
456 | for (Int_t i=0; i<ntrack; i++) { | |
5ddeb374 | 457 | part= (TParticle*) partArray->UncheckedAt(i); |
458 | part->SetWeight(part->GetWeight()*fKineBias); | |
fe4da5cc | 459 | } |
460 | } | |
461 | ||
a8228d85 | 462 | Int_t AliGenPythia::CheckPDGCode(Int_t pdgcode) |
463 | { | |
464 | // | |
23211d3e | 465 | // If the particle is in a diffractive state, then take action accordingly |
a8228d85 | 466 | switch (pdgcode) { |
18edb254 | 467 | case 91: |
468 | return 92; | |
a8228d85 | 469 | case 110: |
470 | //rho_diff0 -- difficult to translate, return rho0 | |
471 | return 113; | |
472 | case 210: | |
473 | //pi_diffr+ -- change to pi+ | |
474 | return 211; | |
475 | case 220: | |
476 | //omega_di0 -- change to omega0 | |
477 | return 223; | |
478 | case 330: | |
479 | //phi_diff0 -- return phi0 | |
480 | return 333; | |
481 | case 440: | |
482 | //J/psi_di0 -- return J/psi | |
483 | return 443; | |
484 | case 2110: | |
485 | //n_diffr -- return neutron | |
486 | return 2112; | |
487 | case 2210: | |
488 | //p_diffr+ -- return proton | |
489 | return 2212; | |
490 | } | |
491 | //non diffractive state -- return code unchanged | |
492 | return pdgcode; | |
493 | } | |
811826d8 | 494 | |
495 | ||
496 | void AliGenPythia::SetNuclei(Int_t a1, Int_t a2) | |
497 | { | |
498 | // Treat protons as inside nuclei with mass numbers a1 and a2 | |
499 | fNucA1 = a1; | |
500 | fNucA2 = a2; | |
501 | } | |
502 | ||
503 | ||
f87cfe57 | 504 | AliGenPythia& AliGenPythia::operator=(const AliGenPythia& rhs) |
505 | { | |
506 | // Assignment operator | |
507 | return *this; | |
508 | } | |
fe4da5cc | 509 | |
510 | ||
811826d8 | 511 | |
18edb254 | 512 | void AliGenPythia::Streamer(TBuffer &R__b) |
513 | { | |
514 | // Stream an object of class AliGenPythia. | |
515 | ||
516 | if (R__b.IsReading()) { | |
517 | Version_t R__v = R__b.ReadVersion(); if (R__v) { } | |
518 | AliGenerator::Streamer(R__b); | |
519 | R__b >> (Int_t&)fProcess; | |
520 | R__b >> (Int_t&)fStrucFunc; | |
521 | R__b >> (Int_t&)fForceDecay; | |
522 | R__b >> fEnergyCMS; | |
523 | R__b >> fKineBias; | |
524 | R__b >> fTrials; | |
525 | fParentSelect.Streamer(R__b); | |
526 | fChildSelect.Streamer(R__b); | |
527 | R__b >> fXsection; | |
528 | // (AliPythia::Instance())->Streamer(R__b); | |
529 | R__b >> fPtHardMin; | |
530 | R__b >> fPtHardMax; | |
531 | // if (fDecayer) fDecayer->Streamer(R__b); | |
532 | } else { | |
533 | R__b.WriteVersion(AliGenPythia::IsA()); | |
534 | AliGenerator::Streamer(R__b); | |
535 | R__b << (Int_t)fProcess; | |
536 | R__b << (Int_t)fStrucFunc; | |
537 | R__b << (Int_t)fForceDecay; | |
538 | R__b << fEnergyCMS; | |
539 | R__b << fKineBias; | |
540 | R__b << fTrials; | |
541 | fParentSelect.Streamer(R__b); | |
542 | fChildSelect.Streamer(R__b); | |
543 | R__b << fXsection; | |
544 | // R__b << fPythia; | |
545 | R__b << fPtHardMin; | |
546 | R__b << fPtHardMax; | |
547 | // fDecayer->Streamer(R__b); | |
548 | } | |
549 | } | |
550 | ||
551 | ||
552 | ||
fe4da5cc | 553 | |
5be1fe76 | 554 | |
555 | ||
556 | ||
557 |