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8d2cd130 | 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 | ||
7cdba479 | 16 | /* $Id$ */ |
8d2cd130 | 17 | |
18 | // | |
19 | // Generator using the TPythia interface (via AliPythia) | |
20 | // to generate pp collisions. | |
21 | // Using SetNuclei() also nuclear modifications to the structure functions | |
22 | // can be taken into account. This makes, of course, only sense for the | |
23 | // generation of the products of hard processes (heavy flavor, jets ...) | |
24 | // | |
25 | // andreas.morsch@cern.ch | |
26 | // | |
27 | ||
37b09b91 | 28 | #include <TClonesArray.h> |
8d2cd130 | 29 | #include <TDatabasePDG.h> |
30 | #include <TParticle.h> | |
31 | #include <TPDGCode.h> | |
32 | #include <TSystem.h> | |
33 | #include <TTree.h> | |
8d2cd130 | 34 | #include "AliConst.h" |
35 | #include "AliDecayerPythia.h" | |
36 | #include "AliGenPythia.h" | |
5fa4b20b | 37 | #include "AliHeader.h" |
8d2cd130 | 38 | #include "AliGenPythiaEventHeader.h" |
39 | #include "AliPythia.h" | |
7cdba479 | 40 | #include "AliPythiaRndm.h" |
8d2cd130 | 41 | #include "AliRun.h" |
7ea3ea5b | 42 | #include "AliStack.h" |
43 | #include "AliRunLoader.h" | |
5d12ce38 | 44 | #include "AliMC.h" |
e2d34d35 | 45 | #include "PyquenCommon.h" |
8d2cd130 | 46 | |
014a9521 | 47 | ClassImp(AliGenPythia) |
8d2cd130 | 48 | |
e8a8adcd | 49 | |
50 | AliGenPythia::AliGenPythia(): | |
51 | AliGenMC(), | |
52 | fProcess(kPyCharm), | |
53 | fStrucFunc(kCTEQ5L), | |
54 | fEnergyCMS(5500.), | |
55 | fKineBias(0.), | |
56 | fTrials(0), | |
57 | fTrialsRun(0), | |
58 | fQ(0.), | |
59 | fX1(0.), | |
60 | fX2(0.), | |
61 | fEventTime(0.), | |
62 | fInteractionRate(0.), | |
63 | fTimeWindow(0.), | |
64 | fCurSubEvent(0), | |
65 | fEventsTime(0), | |
66 | fNev(0), | |
67 | fFlavorSelect(0), | |
68 | fXsection(0.), | |
69 | fPythia(0), | |
70 | fPtHardMin(0.), | |
71 | fPtHardMax(1.e4), | |
72 | fYHardMin(-1.e10), | |
73 | fYHardMax(1.e10), | |
74 | fGinit(1), | |
75 | fGfinal(1), | |
76 | fHadronisation(1), | |
77 | fNpartons(0), | |
78 | fReadFromFile(0), | |
79 | fQuench(0), | |
80 | fPtKick(1.), | |
81 | fFullEvent(kTRUE), | |
82 | fDecayer(new AliDecayerPythia()), | |
83 | fDebugEventFirst(-1), | |
84 | fDebugEventLast(-1), | |
85 | fEtMinJet(0.), | |
86 | fEtMaxJet(1.e4), | |
87 | fEtaMinJet(-20.), | |
88 | fEtaMaxJet(20.), | |
89 | fPhiMinJet(0.), | |
90 | fPhiMaxJet(2.* TMath::Pi()), | |
91 | fJetReconstruction(kCell), | |
92 | fEtaMinGamma(-20.), | |
93 | fEtaMaxGamma(20.), | |
94 | fPhiMinGamma(0.), | |
95 | fPhiMaxGamma(2. * TMath::Pi()), | |
96 | fPycellEtaMax(2.), | |
97 | fPycellNEta(274), | |
98 | fPycellNPhi(432), | |
99 | fPycellThreshold(0.), | |
100 | fPycellEtSeed(4.), | |
101 | fPycellMinEtJet(10.), | |
102 | fPycellMaxRadius(1.), | |
103 | fStackFillOpt(kFlavorSelection), | |
104 | fFeedDownOpt(kTRUE), | |
105 | fFragmentation(kTRUE), | |
106 | fSetNuclei(kFALSE), | |
107 | fNewMIS(kFALSE), | |
108 | fHFoff(kFALSE), | |
109 | fTriggerParticle(0), | |
110 | fTriggerEta(0.9), | |
700b9416 | 111 | fTriggerMultiplicity(0), |
112 | fTriggerMultiplicityEta(0), | |
e8a8adcd | 113 | fCountMode(kCountAll), |
114 | fHeader(0), | |
115 | fRL(0), | |
ec2c406e | 116 | fFileName(0), |
9fd8e520 | 117 | fFragPhotonInCalo(kFALSE), |
ec2c406e | 118 | fPi0InCalo(kFALSE) , |
90a236ce | 119 | fPhotonInCalo(kFALSE), |
9fd8e520 | 120 | fCheckEMCAL(kFALSE), |
121 | fCheckPHOS(kFALSE), | |
90a236ce | 122 | fCheckPHOSeta(kFALSE), |
9fd8e520 | 123 | fFragPhotonOrPi0MinPt(0), |
90a236ce | 124 | fPhotonMinPt(0), |
9fd8e520 | 125 | fPHOSMinPhi(219.), |
126 | fPHOSMaxPhi(321.), | |
127 | fPHOSEta(0.13), | |
128 | fEMCALMinPhi(79.), | |
129 | fEMCALMaxPhi(191.), | |
130 | fEMCALEta(0.71) | |
ec2c406e | 131 | |
8d2cd130 | 132 | { |
133 | // Default Constructor | |
2d9f9817 | 134 | SetNuclei(0,0); |
7cdba479 | 135 | if (!AliPythiaRndm::GetPythiaRandom()) |
e8a8adcd | 136 | AliPythiaRndm::SetPythiaRandom(GetRandom()); |
8d2cd130 | 137 | } |
138 | ||
139 | AliGenPythia::AliGenPythia(Int_t npart) | |
e8a8adcd | 140 | :AliGenMC(npart), |
141 | fProcess(kPyCharm), | |
142 | fStrucFunc(kCTEQ5L), | |
143 | fEnergyCMS(5500.), | |
144 | fKineBias(0.), | |
145 | fTrials(0), | |
146 | fTrialsRun(0), | |
147 | fQ(0.), | |
148 | fX1(0.), | |
149 | fX2(0.), | |
150 | fEventTime(0.), | |
151 | fInteractionRate(0.), | |
152 | fTimeWindow(0.), | |
153 | fCurSubEvent(0), | |
154 | fEventsTime(0), | |
155 | fNev(0), | |
156 | fFlavorSelect(0), | |
157 | fXsection(0.), | |
158 | fPythia(0), | |
159 | fPtHardMin(0.), | |
160 | fPtHardMax(1.e4), | |
161 | fYHardMin(-1.e10), | |
162 | fYHardMax(1.e10), | |
163 | fGinit(kTRUE), | |
164 | fGfinal(kTRUE), | |
165 | fHadronisation(kTRUE), | |
166 | fNpartons(0), | |
167 | fReadFromFile(kFALSE), | |
168 | fQuench(kFALSE), | |
169 | fPtKick(1.), | |
170 | fFullEvent(kTRUE), | |
171 | fDecayer(new AliDecayerPythia()), | |
172 | fDebugEventFirst(-1), | |
173 | fDebugEventLast(-1), | |
174 | fEtMinJet(0.), | |
175 | fEtMaxJet(1.e4), | |
176 | fEtaMinJet(-20.), | |
177 | fEtaMaxJet(20.), | |
178 | fPhiMinJet(0.), | |
179 | fPhiMaxJet(2.* TMath::Pi()), | |
180 | fJetReconstruction(kCell), | |
181 | fEtaMinGamma(-20.), | |
182 | fEtaMaxGamma(20.), | |
183 | fPhiMinGamma(0.), | |
184 | fPhiMaxGamma(2. * TMath::Pi()), | |
185 | fPycellEtaMax(2.), | |
186 | fPycellNEta(274), | |
187 | fPycellNPhi(432), | |
188 | fPycellThreshold(0.), | |
189 | fPycellEtSeed(4.), | |
190 | fPycellMinEtJet(10.), | |
191 | fPycellMaxRadius(1.), | |
192 | fStackFillOpt(kFlavorSelection), | |
193 | fFeedDownOpt(kTRUE), | |
194 | fFragmentation(kTRUE), | |
195 | fSetNuclei(kFALSE), | |
196 | fNewMIS(kFALSE), | |
197 | fHFoff(kFALSE), | |
198 | fTriggerParticle(0), | |
199 | fTriggerEta(0.9), | |
700b9416 | 200 | fTriggerMultiplicity(0), |
201 | fTriggerMultiplicityEta(0), | |
e8a8adcd | 202 | fCountMode(kCountAll), |
203 | fHeader(0), | |
204 | fRL(0), | |
ec2c406e | 205 | fFileName(0), |
9fd8e520 | 206 | fFragPhotonInCalo(kFALSE), |
ec2c406e | 207 | fPi0InCalo(kFALSE) , |
90a236ce | 208 | fPhotonInCalo(kFALSE), |
9fd8e520 | 209 | fCheckEMCAL(kFALSE), |
210 | fCheckPHOS(kFALSE), | |
90a236ce | 211 | fCheckPHOSeta(kFALSE), |
9fd8e520 | 212 | fFragPhotonOrPi0MinPt(0), |
90a236ce | 213 | fPhotonMinPt(0), |
9fd8e520 | 214 | fPHOSMinPhi(219.), |
215 | fPHOSMaxPhi(321.), | |
216 | fPHOSEta(0.13), | |
217 | fEMCALMinPhi(79.), | |
218 | fEMCALMaxPhi(191.), | |
219 | fEMCALEta(0.71) | |
8d2cd130 | 220 | { |
221 | // default charm production at 5. 5 TeV | |
222 | // semimuonic decay | |
223 | // structure function GRVHO | |
224 | // | |
225 | fName = "Pythia"; | |
226 | fTitle= "Particle Generator using PYTHIA"; | |
8d2cd130 | 227 | SetForceDecay(); |
8d2cd130 | 228 | // Set random number generator |
7cdba479 | 229 | if (!AliPythiaRndm::GetPythiaRandom()) |
230 | AliPythiaRndm::SetPythiaRandom(GetRandom()); | |
8d2cd130 | 231 | fParticles = new TClonesArray("TParticle",1000); |
2d9f9817 | 232 | SetNuclei(0,0); |
76d6ba9a | 233 | } |
8d2cd130 | 234 | |
8d2cd130 | 235 | AliGenPythia::~AliGenPythia() |
236 | { | |
237 | // Destructor | |
9d7108a7 | 238 | if(fEventsTime) delete fEventsTime; |
239 | } | |
240 | ||
241 | void AliGenPythia::SetInteractionRate(Float_t rate,Float_t timewindow) | |
242 | { | |
243 | // Generate pileup using user specified rate | |
244 | fInteractionRate = rate; | |
245 | fTimeWindow = timewindow; | |
246 | GeneratePileup(); | |
247 | } | |
248 | ||
249 | void AliGenPythia::GeneratePileup() | |
250 | { | |
251 | // Generate sub events time for pileup | |
252 | fEventsTime = 0; | |
253 | if(fInteractionRate == 0.) { | |
254 | Warning("GeneratePileup","Zero interaction specified. Skipping pileup generation.\n"); | |
255 | return; | |
256 | } | |
257 | ||
258 | Int_t npart = NumberParticles(); | |
259 | if(npart < 0) { | |
260 | Warning("GeneratePileup","Negative number of particles. Skipping pileup generation.\n"); | |
261 | return; | |
262 | } | |
263 | ||
264 | if(fEventsTime) delete fEventsTime; | |
265 | fEventsTime = new TArrayF(npart); | |
266 | TArrayF &array = *fEventsTime; | |
267 | for(Int_t ipart = 0; ipart < npart; ipart++) | |
268 | array[ipart] = 0.; | |
269 | ||
270 | Float_t eventtime = 0.; | |
271 | while(1) | |
272 | { | |
273 | eventtime += (AliPythiaRndm::GetPythiaRandom())->Exp(1./fInteractionRate); | |
274 | if(eventtime > fTimeWindow) break; | |
275 | array.Set(array.GetSize()+1); | |
276 | array[array.GetSize()-1] = eventtime; | |
277 | } | |
278 | ||
279 | eventtime = 0.; | |
280 | while(1) | |
281 | { | |
282 | eventtime -= (AliPythiaRndm::GetPythiaRandom())->Exp(1./fInteractionRate); | |
283 | if(TMath::Abs(eventtime) > fTimeWindow) break; | |
284 | array.Set(array.GetSize()+1); | |
285 | array[array.GetSize()-1] = eventtime; | |
286 | } | |
287 | ||
288 | SetNumberParticles(fEventsTime->GetSize()); | |
8d2cd130 | 289 | } |
290 | ||
592f8307 | 291 | void AliGenPythia::SetPycellParameters(Float_t etamax, Int_t neta, Int_t nphi, |
292 | Float_t thresh, Float_t etseed, Float_t minet, Float_t r) | |
293 | { | |
294 | // Set pycell parameters | |
295 | fPycellEtaMax = etamax; | |
296 | fPycellNEta = neta; | |
297 | fPycellNPhi = nphi; | |
298 | fPycellThreshold = thresh; | |
299 | fPycellEtSeed = etseed; | |
300 | fPycellMinEtJet = minet; | |
301 | fPycellMaxRadius = r; | |
302 | } | |
303 | ||
304 | ||
305 | ||
8d2cd130 | 306 | void AliGenPythia::SetEventListRange(Int_t eventFirst, Int_t eventLast) |
307 | { | |
308 | // Set a range of event numbers, for which a table | |
309 | // of generated particle will be printed | |
310 | fDebugEventFirst = eventFirst; | |
311 | fDebugEventLast = eventLast; | |
312 | if (fDebugEventLast==-1) fDebugEventLast=fDebugEventFirst; | |
313 | } | |
314 | ||
315 | void AliGenPythia::Init() | |
316 | { | |
317 | // Initialisation | |
318 | ||
319 | SetMC(AliPythia::Instance()); | |
b88f5cea | 320 | fPythia=(AliPythia*) fMCEvGen; |
e2bddf81 | 321 | |
8d2cd130 | 322 | // |
323 | fParentWeight=1./Float_t(fNpart); | |
324 | // | |
8d2cd130 | 325 | |
326 | ||
327 | fPythia->SetCKIN(3,fPtHardMin); | |
328 | fPythia->SetCKIN(4,fPtHardMax); | |
329 | fPythia->SetCKIN(7,fYHardMin); | |
330 | fPythia->SetCKIN(8,fYHardMax); | |
331 | ||
1a626d4e | 332 | if (fAProjectile > 0 && fATarget > 0) fPythia->SetNuclei(fAProjectile, fATarget); |
8d2cd130 | 333 | // Fragmentation? |
334 | if (fFragmentation) { | |
335 | fPythia->SetMSTP(111,1); | |
336 | } else { | |
337 | fPythia->SetMSTP(111,0); | |
338 | } | |
339 | ||
340 | ||
341 | // initial state radiation | |
342 | fPythia->SetMSTP(61,fGinit); | |
343 | // final state radiation | |
344 | fPythia->SetMSTP(71,fGfinal); | |
345 | // pt - kick | |
346 | if (fPtKick > 0.) { | |
347 | fPythia->SetMSTP(91,1); | |
688950ef | 348 | fPythia->SetPARP(91,fPtKick); |
349 | fPythia->SetPARP(93, 4. * fPtKick); | |
8d2cd130 | 350 | } else { |
351 | fPythia->SetMSTP(91,0); | |
352 | } | |
353 | ||
5fa4b20b | 354 | |
355 | if (fReadFromFile) { | |
356 | fRL = AliRunLoader::Open(fFileName, "Partons"); | |
357 | fRL->LoadKinematics(); | |
358 | fRL->LoadHeader(); | |
359 | } else { | |
360 | fRL = 0x0; | |
361 | } | |
fdea4387 | 362 | // |
363 | fPythia->ProcInit(fProcess,fEnergyCMS,fStrucFunc); | |
364 | // Forward Paramters to the AliPythia object | |
365 | fDecayer->SetForceDecay(fForceDecay); | |
beac474c | 366 | // Switch off Heavy Flavors on request |
367 | if (fHFoff) { | |
51387949 | 368 | // Maximum number of quark flavours used in pdf |
beac474c | 369 | fPythia->SetMSTP(58, 3); |
51387949 | 370 | // Maximum number of flavors that can be used in showers |
beac474c | 371 | fPythia->SetMSTJ(45, 3); |
51387949 | 372 | // Switch off g->QQbar splitting in decay table |
373 | ((AliDecayerPythia*) fDecayer)->HeavyFlavourOff(); | |
beac474c | 374 | } |
fdea4387 | 375 | |
51387949 | 376 | fDecayer->Init(); |
377 | ||
8d2cd130 | 378 | |
379 | // Parent and Children Selection | |
380 | switch (fProcess) | |
381 | { | |
65f2626c | 382 | case kPyOldUEQ2ordered: |
383 | case kPyOldUEQ2ordered2: | |
384 | case kPyOldPopcorn: | |
385 | break; | |
8d2cd130 | 386 | case kPyCharm: |
387 | case kPyCharmUnforced: | |
adf4d898 | 388 | case kPyCharmPbPbMNR: |
aabc7187 | 389 | case kPyCharmpPbMNR: |
e0e89f40 | 390 | case kPyCharmppMNR: |
391 | case kPyCharmppMNRwmi: | |
8d2cd130 | 392 | fParentSelect[0] = 411; |
393 | fParentSelect[1] = 421; | |
394 | fParentSelect[2] = 431; | |
395 | fParentSelect[3] = 4122; | |
396 | fFlavorSelect = 4; | |
397 | break; | |
adf4d898 | 398 | case kPyD0PbPbMNR: |
399 | case kPyD0pPbMNR: | |
400 | case kPyD0ppMNR: | |
8d2cd130 | 401 | fParentSelect[0] = 421; |
402 | fFlavorSelect = 4; | |
403 | break; | |
90d7b703 | 404 | case kPyDPlusPbPbMNR: |
405 | case kPyDPluspPbMNR: | |
406 | case kPyDPlusppMNR: | |
407 | fParentSelect[0] = 411; | |
408 | fFlavorSelect = 4; | |
409 | break; | |
e0e89f40 | 410 | case kPyDPlusStrangePbPbMNR: |
411 | case kPyDPlusStrangepPbMNR: | |
412 | case kPyDPlusStrangeppMNR: | |
413 | fParentSelect[0] = 431; | |
414 | fFlavorSelect = 4; | |
415 | break; | |
8d2cd130 | 416 | case kPyBeauty: |
adf4d898 | 417 | case kPyBeautyPbPbMNR: |
418 | case kPyBeautypPbMNR: | |
419 | case kPyBeautyppMNR: | |
e0e89f40 | 420 | case kPyBeautyppMNRwmi: |
8d2cd130 | 421 | fParentSelect[0]= 511; |
422 | fParentSelect[1]= 521; | |
423 | fParentSelect[2]= 531; | |
424 | fParentSelect[3]= 5122; | |
425 | fParentSelect[4]= 5132; | |
426 | fParentSelect[5]= 5232; | |
427 | fParentSelect[6]= 5332; | |
428 | fFlavorSelect = 5; | |
429 | break; | |
430 | case kPyBeautyUnforced: | |
431 | fParentSelect[0] = 511; | |
432 | fParentSelect[1] = 521; | |
433 | fParentSelect[2] = 531; | |
434 | fParentSelect[3] = 5122; | |
435 | fParentSelect[4] = 5132; | |
436 | fParentSelect[5] = 5232; | |
437 | fParentSelect[6] = 5332; | |
438 | fFlavorSelect = 5; | |
439 | break; | |
440 | case kPyJpsiChi: | |
441 | case kPyJpsi: | |
442 | fParentSelect[0] = 443; | |
443 | break; | |
f529e69b | 444 | case kPyMbDefault: |
8d2cd130 | 445 | case kPyMb: |
446 | case kPyMbNonDiffr: | |
d7de4a67 | 447 | case kPyMbMSEL1: |
8d2cd130 | 448 | case kPyJets: |
449 | case kPyDirectGamma: | |
e33acb67 | 450 | case kPyLhwgMb: |
8d2cd130 | 451 | break; |
589380c6 | 452 | case kPyW: |
0f6ee828 | 453 | case kPyZ: |
589380c6 | 454 | break; |
8d2cd130 | 455 | } |
456 | // | |
592f8307 | 457 | // |
458 | // JetFinder for Trigger | |
459 | // | |
460 | // Configure detector (EMCAL like) | |
461 | // | |
d7de4a67 | 462 | fPythia->SetPARU(51, fPycellEtaMax); |
463 | fPythia->SetMSTU(51, fPycellNEta); | |
464 | fPythia->SetMSTU(52, fPycellNPhi); | |
592f8307 | 465 | // |
466 | // Configure Jet Finder | |
467 | // | |
d7de4a67 | 468 | fPythia->SetPARU(58, fPycellThreshold); |
469 | fPythia->SetPARU(52, fPycellEtSeed); | |
470 | fPythia->SetPARU(53, fPycellMinEtJet); | |
471 | fPythia->SetPARU(54, fPycellMaxRadius); | |
472 | fPythia->SetMSTU(54, 2); | |
592f8307 | 473 | // |
8d2cd130 | 474 | // This counts the total number of calls to Pyevnt() per run. |
475 | fTrialsRun = 0; | |
476 | fQ = 0.; | |
477 | fX1 = 0.; | |
478 | fX2 = 0.; | |
479 | fNev = 0 ; | |
480 | // | |
1d568bc2 | 481 | // |
482 | // | |
8d2cd130 | 483 | AliGenMC::Init(); |
1d568bc2 | 484 | // |
485 | // | |
486 | // | |
487 | if (fSetNuclei) { | |
488 | fDyBoost = 0; | |
489 | Warning("Init","SetNuclei used. Use SetProjectile + SetTarget instead. fDyBoost has been reset to 0\n"); | |
490 | } | |
d7de4a67 | 491 | |
32d6ef7d | 492 | if (fQuench) { |
5fa4b20b | 493 | fPythia->InitQuenching(0., 0.1, 0.6e6, 0); |
32d6ef7d | 494 | } |
3a709cfa | 495 | fPythia->SetPARJ(200, 0.0); |
496 | ||
b976f7d8 | 497 | if (fQuench == 3) { |
498 | // Nestor's change of the splittings | |
499 | fPythia->SetPARJ(200, 0.8); | |
500 | fPythia->SetMSTJ(41, 1); // QCD radiation only | |
501 | fPythia->SetMSTJ(42, 2); // angular ordering | |
502 | fPythia->SetMSTJ(44, 2); // option to run alpha_s | |
503 | fPythia->SetMSTJ(47, 0); // No correction back to hard scattering element | |
504 | fPythia->SetMSTJ(50, 0); // No coherence in first branching | |
505 | fPythia->SetPARJ(82, 1.); // Cut off for parton showers | |
506 | } | |
8d2cd130 | 507 | } |
508 | ||
509 | void AliGenPythia::Generate() | |
510 | { | |
511 | // Generate one event | |
e5c87a3d | 512 | |
8d2cd130 | 513 | fDecayer->ForceDecay(); |
514 | ||
515 | Float_t polar[3] = {0,0,0}; | |
516 | Float_t origin[3] = {0,0,0}; | |
a920faf9 | 517 | Float_t p[4]; |
8d2cd130 | 518 | // converts from mm/c to s |
519 | const Float_t kconv=0.001/2.999792458e8; | |
520 | // | |
521 | Int_t nt=0; | |
522 | Int_t jev=0; | |
523 | Int_t j, kf; | |
524 | fTrials=0; | |
f913ec4f | 525 | fEventTime = 0.; |
526 | ||
2590ccf9 | 527 | |
8d2cd130 | 528 | |
529 | // Set collision vertex position | |
2590ccf9 | 530 | if (fVertexSmear == kPerEvent) Vertex(); |
531 | ||
8d2cd130 | 532 | // event loop |
533 | while(1) | |
534 | { | |
32d6ef7d | 535 | // |
5fa4b20b | 536 | // Produce event |
32d6ef7d | 537 | // |
32d6ef7d | 538 | // |
5fa4b20b | 539 | // Switch hadronisation off |
540 | // | |
541 | fPythia->SetMSTJ(1, 0); | |
32d6ef7d | 542 | // |
5fa4b20b | 543 | // Either produce new event or read partons from file |
544 | // | |
545 | if (!fReadFromFile) { | |
beac474c | 546 | if (!fNewMIS) { |
547 | fPythia->Pyevnt(); | |
548 | } else { | |
549 | fPythia->Pyevnw(); | |
550 | } | |
5fa4b20b | 551 | fNpartons = fPythia->GetN(); |
552 | } else { | |
553 | printf("Loading Event %d\n",AliRunLoader::GetRunLoader()->GetEventNumber()); | |
554 | fRL->GetEvent(AliRunLoader::GetRunLoader()->GetEventNumber()); | |
555 | fPythia->SetN(0); | |
556 | LoadEvent(fRL->Stack(), 0 , 1); | |
557 | fPythia->Pyedit(21); | |
558 | } | |
559 | ||
32d6ef7d | 560 | // |
561 | // Run quenching routine | |
562 | // | |
5fa4b20b | 563 | if (fQuench == 1) { |
564 | fPythia->Quench(); | |
565 | } else if (fQuench == 2){ | |
566 | fPythia->Pyquen(208., 0, 0.); | |
b976f7d8 | 567 | } else if (fQuench == 3) { |
568 | // Quenching is via multiplicative correction of the splittings | |
5fa4b20b | 569 | } |
b976f7d8 | 570 | |
32d6ef7d | 571 | // |
5fa4b20b | 572 | // Switch hadronisation on |
32d6ef7d | 573 | // |
aea21c57 | 574 | fPythia->SetMSTJ(1, 1); |
5fa4b20b | 575 | // |
576 | // .. and perform hadronisation | |
aea21c57 | 577 | // printf("Calling hadronisation %d\n", fPythia->GetN()); |
5fa4b20b | 578 | fPythia->Pyexec(); |
8d2cd130 | 579 | fTrials++; |
8d2cd130 | 580 | fPythia->ImportParticles(fParticles,"All"); |
1d568bc2 | 581 | Boost(); |
8d2cd130 | 582 | // |
583 | // | |
584 | // | |
585 | Int_t i; | |
586 | ||
dbd64db6 | 587 | fNprimaries = 0; |
8d2cd130 | 588 | Int_t np = fParticles->GetEntriesFast(); |
5fa4b20b | 589 | |
7c21f297 | 590 | if (np == 0) continue; |
8d2cd130 | 591 | // |
2590ccf9 | 592 | |
8d2cd130 | 593 | // |
594 | Int_t* pParent = new Int_t[np]; | |
595 | Int_t* pSelected = new Int_t[np]; | |
596 | Int_t* trackIt = new Int_t[np]; | |
5fa4b20b | 597 | for (i = 0; i < np; i++) { |
8d2cd130 | 598 | pParent[i] = -1; |
599 | pSelected[i] = 0; | |
600 | trackIt[i] = 0; | |
601 | } | |
602 | ||
603 | Int_t nc = 0; // Total n. of selected particles | |
604 | Int_t nParents = 0; // Selected parents | |
605 | Int_t nTkbles = 0; // Trackable particles | |
f529e69b | 606 | if (fProcess != kPyMbDefault && |
607 | fProcess != kPyMb && | |
608 | fProcess != kPyJets && | |
8d2cd130 | 609 | fProcess != kPyDirectGamma && |
589380c6 | 610 | fProcess != kPyMbNonDiffr && |
d7de4a67 | 611 | fProcess != kPyMbMSEL1 && |
f529e69b | 612 | fProcess != kPyW && |
613 | fProcess != kPyZ && | |
614 | fProcess != kPyCharmppMNRwmi && | |
615 | fProcess != kPyBeautyppMNRwmi) { | |
8d2cd130 | 616 | |
5fa4b20b | 617 | for (i = 0; i < np; i++) { |
2590ccf9 | 618 | TParticle* iparticle = (TParticle *) fParticles->At(i); |
8d2cd130 | 619 | Int_t ks = iparticle->GetStatusCode(); |
620 | kf = CheckPDGCode(iparticle->GetPdgCode()); | |
621 | // No initial state partons | |
622 | if (ks==21) continue; | |
623 | // | |
624 | // Heavy Flavor Selection | |
625 | // | |
626 | // quark ? | |
627 | kf = TMath::Abs(kf); | |
628 | Int_t kfl = kf; | |
9ff6c04c | 629 | // Resonance |
f913ec4f | 630 | |
9ff6c04c | 631 | if (kfl > 100000) kfl %= 100000; |
183a5ca9 | 632 | if (kfl > 10000) kfl %= 10000; |
8d2cd130 | 633 | // meson ? |
634 | if (kfl > 10) kfl/=100; | |
635 | // baryon | |
636 | if (kfl > 10) kfl/=10; | |
8d2cd130 | 637 | Int_t ipa = iparticle->GetFirstMother()-1; |
638 | Int_t kfMo = 0; | |
f913ec4f | 639 | // |
640 | // Establish mother daughter relation between heavy quarks and mesons | |
641 | // | |
642 | if (kf >= fFlavorSelect && kf <= 6) { | |
643 | Int_t idau = iparticle->GetFirstDaughter() - 1; | |
644 | if (idau > -1) { | |
645 | TParticle* daughter = (TParticle *) fParticles->At(idau); | |
646 | Int_t pdgD = daughter->GetPdgCode(); | |
647 | if (pdgD == 91 || pdgD == 92) { | |
648 | Int_t jmin = daughter->GetFirstDaughter() - 1; | |
649 | Int_t jmax = daughter->GetLastDaughter() - 1; | |
650 | for (Int_t j = jmin; j <= jmax; j++) | |
651 | ((TParticle *) fParticles->At(j))->SetFirstMother(i+1); | |
652 | } // is string or cluster | |
653 | } // has daughter | |
654 | } // heavy quark | |
8d2cd130 | 655 | |
f913ec4f | 656 | |
8d2cd130 | 657 | if (ipa > -1) { |
658 | TParticle * mother = (TParticle *) fParticles->At(ipa); | |
659 | kfMo = TMath::Abs(mother->GetPdgCode()); | |
660 | } | |
f913ec4f | 661 | |
8d2cd130 | 662 | // What to keep in Stack? |
663 | Bool_t flavorOK = kFALSE; | |
664 | Bool_t selectOK = kFALSE; | |
665 | if (fFeedDownOpt) { | |
32d6ef7d | 666 | if (kfl >= fFlavorSelect) flavorOK = kTRUE; |
8d2cd130 | 667 | } else { |
32d6ef7d | 668 | if (kfl > fFlavorSelect) { |
669 | nc = -1; | |
670 | break; | |
671 | } | |
672 | if (kfl == fFlavorSelect) flavorOK = kTRUE; | |
8d2cd130 | 673 | } |
674 | switch (fStackFillOpt) { | |
675 | case kFlavorSelection: | |
32d6ef7d | 676 | selectOK = kTRUE; |
677 | break; | |
8d2cd130 | 678 | case kParentSelection: |
32d6ef7d | 679 | if (ParentSelected(kf) || kf <= 10) selectOK = kTRUE; |
680 | break; | |
8d2cd130 | 681 | } |
682 | if (flavorOK && selectOK) { | |
683 | // | |
684 | // Heavy flavor hadron or quark | |
685 | // | |
686 | // Kinematic seletion on final state heavy flavor mesons | |
687 | if (ParentSelected(kf) && !KinematicSelection(iparticle, 0)) | |
688 | { | |
9ff6c04c | 689 | continue; |
8d2cd130 | 690 | } |
691 | pSelected[i] = 1; | |
692 | if (ParentSelected(kf)) ++nParents; // Update parent count | |
693 | // printf("\n particle (HF) %d %d %d", i, pSelected[i], kf); | |
694 | } else { | |
695 | // Kinematic seletion on decay products | |
696 | if (fCutOnChild && ParentSelected(kfMo) && ChildSelected(kf) | |
9ff6c04c | 697 | && !KinematicSelection(iparticle, 1)) |
8d2cd130 | 698 | { |
9ff6c04c | 699 | continue; |
8d2cd130 | 700 | } |
701 | // | |
702 | // Decay products | |
703 | // Select if mother was selected and is not tracked | |
704 | ||
705 | if (pSelected[ipa] && | |
706 | !trackIt[ipa] && // mother will be tracked ? | |
707 | kfMo != 5 && // mother is b-quark, don't store fragments | |
708 | kfMo != 4 && // mother is c-quark, don't store fragments | |
709 | kf != 92) // don't store string | |
710 | { | |
711 | // | |
712 | // Semi-stable or de-selected: diselect decay products: | |
713 | // | |
714 | // | |
715 | if (pSelected[i] == -1 || fDecayer->GetLifetime(kf) > fMaxLifeTime) | |
716 | { | |
717 | Int_t ipF = iparticle->GetFirstDaughter(); | |
718 | Int_t ipL = iparticle->GetLastDaughter(); | |
719 | if (ipF > 0) for (j = ipF-1; j < ipL; j++) pSelected[j] = -1; | |
720 | } | |
721 | // printf("\n particle (decay) %d %d %d", i, pSelected[i], kf); | |
722 | pSelected[i] = (pSelected[i] == -1) ? 0 : 1; | |
723 | } | |
724 | } | |
725 | if (pSelected[i] == -1) pSelected[i] = 0; | |
726 | if (!pSelected[i]) continue; | |
727 | // Count quarks only if you did not include fragmentation | |
728 | if (fFragmentation && kf <= 10) continue; | |
9ff6c04c | 729 | |
8d2cd130 | 730 | nc++; |
731 | // Decision on tracking | |
732 | trackIt[i] = 0; | |
733 | // | |
734 | // Track final state particle | |
735 | if (ks == 1) trackIt[i] = 1; | |
736 | // Track semi-stable particles | |
d25cfd65 | 737 | if ((ks == 1) || (fDecayer->GetLifetime(kf) > fMaxLifeTime)) trackIt[i] = 1; |
8d2cd130 | 738 | // Track particles selected by process if undecayed. |
739 | if (fForceDecay == kNoDecay) { | |
740 | if (ParentSelected(kf)) trackIt[i] = 1; | |
741 | } else { | |
742 | if (ParentSelected(kf)) trackIt[i] = 0; | |
743 | } | |
744 | if (trackIt[i] == 1) ++nTkbles; // Update trackable counter | |
745 | // | |
746 | // | |
747 | ||
748 | } // particle selection loop | |
749 | if (nc > 0) { | |
750 | for (i = 0; i<np; i++) { | |
751 | if (!pSelected[i]) continue; | |
752 | TParticle * iparticle = (TParticle *) fParticles->At(i); | |
753 | kf = CheckPDGCode(iparticle->GetPdgCode()); | |
754 | Int_t ks = iparticle->GetStatusCode(); | |
755 | p[0] = iparticle->Px(); | |
756 | p[1] = iparticle->Py(); | |
757 | p[2] = iparticle->Pz(); | |
a920faf9 | 758 | p[3] = iparticle->Energy(); |
759 | ||
2590ccf9 | 760 | origin[0] = fVertex[0]+iparticle->Vx()/10; // [cm] |
761 | origin[1] = fVertex[1]+iparticle->Vy()/10; // [cm] | |
762 | origin[2] = fVertex[2]+iparticle->Vz()/10; // [cm] | |
763 | ||
8d2cd130 | 764 | Float_t tof = kconv*iparticle->T(); |
765 | Int_t ipa = iparticle->GetFirstMother()-1; | |
766 | Int_t iparent = (ipa > -1) ? pParent[ipa] : -1; | |
a920faf9 | 767 | |
768 | PushTrack(fTrackIt*trackIt[i], iparent, kf, | |
769 | p[0], p[1], p[2], p[3], | |
770 | origin[0], origin[1], origin[2], tof, | |
771 | polar[0], polar[1], polar[2], | |
772 | kPPrimary, nt, 1., ks); | |
8d2cd130 | 773 | pParent[i] = nt; |
dbd64db6 | 774 | KeepTrack(nt); |
775 | fNprimaries++; | |
642f15cf | 776 | } // PushTrack loop |
8d2cd130 | 777 | } |
778 | } else { | |
779 | nc = GenerateMB(); | |
780 | } // mb ? | |
f913ec4f | 781 | |
782 | GetSubEventTime(); | |
8d2cd130 | 783 | |
234f6d32 | 784 | delete[] pParent; |
785 | delete[] pSelected; | |
786 | delete[] trackIt; | |
8d2cd130 | 787 | |
788 | if (nc > 0) { | |
789 | switch (fCountMode) { | |
790 | case kCountAll: | |
791 | // printf(" Count all \n"); | |
792 | jev += nc; | |
793 | break; | |
794 | case kCountParents: | |
795 | // printf(" Count parents \n"); | |
796 | jev += nParents; | |
797 | break; | |
798 | case kCountTrackables: | |
799 | // printf(" Count trackable \n"); | |
800 | jev += nTkbles; | |
801 | break; | |
802 | } | |
803 | if (jev >= fNpart || fNpart == -1) { | |
804 | fKineBias=Float_t(fNpart)/Float_t(fTrials); | |
e0e89f40 | 805 | |
8d2cd130 | 806 | fQ += fPythia->GetVINT(51); |
807 | fX1 += fPythia->GetVINT(41); | |
808 | fX2 += fPythia->GetVINT(42); | |
809 | fTrialsRun += fTrials; | |
810 | fNev++; | |
811 | MakeHeader(); | |
812 | break; | |
813 | } | |
814 | } | |
815 | } // event loop | |
816 | SetHighWaterMark(nt); | |
817 | // adjust weight due to kinematic selection | |
b88f5cea | 818 | // AdjustWeights(); |
8d2cd130 | 819 | // get cross-section |
820 | fXsection=fPythia->GetPARI(1); | |
821 | } | |
822 | ||
823 | Int_t AliGenPythia::GenerateMB() | |
824 | { | |
825 | // | |
826 | // Min Bias selection and other global selections | |
827 | // | |
828 | Int_t i, kf, nt, iparent; | |
829 | Int_t nc = 0; | |
bf950da8 | 830 | Float_t p[4]; |
8d2cd130 | 831 | Float_t polar[3] = {0,0,0}; |
832 | Float_t origin[3] = {0,0,0}; | |
833 | // converts from mm/c to s | |
834 | const Float_t kconv=0.001/2.999792458e8; | |
835 | ||
e0e89f40 | 836 | |
837 | ||
5fa4b20b | 838 | Int_t np = (fHadronisation) ? fParticles->GetEntriesFast() : fNpartons; |
aea21c57 | 839 | |
5fa4b20b | 840 | |
e0e89f40 | 841 | |
8d2cd130 | 842 | Int_t* pParent = new Int_t[np]; |
843 | for (i=0; i< np; i++) pParent[i] = -1; | |
844 | if (fProcess == kPyJets || fProcess == kPyDirectGamma) { | |
845 | TParticle* jet1 = (TParticle *) fParticles->At(6); | |
846 | TParticle* jet2 = (TParticle *) fParticles->At(7); | |
234f6d32 | 847 | if (!CheckTrigger(jet1, jet2)) { |
848 | delete [] pParent; | |
849 | return 0; | |
850 | } | |
8d2cd130 | 851 | } |
e0e89f40 | 852 | |
9fd8e520 | 853 | // Select jets with fragmentation photon or pi0 going to PHOS or EMCAL |
854 | if (fProcess == kPyJets && (fFragPhotonInCalo || fPi0InCalo) ) { | |
ec2c406e | 855 | |
856 | Bool_t ok = kFALSE; | |
857 | ||
858 | Int_t pdg = 0; | |
9fd8e520 | 859 | if (fFragPhotonInCalo) pdg = 22 ; // Photon |
ec2c406e | 860 | else if (fPi0InCalo) pdg = 111 ; // Pi0 |
861 | ||
862 | for (i=0; i< np; i++) { | |
863 | TParticle* iparticle = (TParticle *) fParticles->At(i); | |
864 | if(iparticle->GetStatusCode()==1 && iparticle->GetPdgCode()==pdg && | |
9fd8e520 | 865 | iparticle->Pt() > fFragPhotonOrPi0MinPt){ |
562cbbcf | 866 | Int_t imother = iparticle->GetFirstMother() - 1; |
21f3a383 | 867 | TParticle* pmother = (TParticle *) fParticles->At(imother); |
9fd8e520 | 868 | if(pdg == 111 || |
21f3a383 | 869 | (pdg == 22 && pmother->GetStatusCode() != 11))//No photon from hadron decay |
9fd8e520 | 870 | { |
871 | Float_t phi = iparticle->Phi()*180./TMath::Pi(); //Convert to degrees | |
872 | Float_t eta =TMath::Abs(iparticle->Eta());//in calos etamin=-etamax | |
873 | if((fCheckEMCAL && IsInEMCAL(phi,eta)) || | |
874 | (fCheckPHOS && IsInPHOS(phi,eta)) ) | |
875 | ok =kTRUE; | |
876 | } | |
ec2c406e | 877 | } |
878 | } | |
879 | if(!ok) | |
880 | return 0; | |
881 | } | |
882 | ||
700b9416 | 883 | // Check for minimum multiplicity |
884 | if (fTriggerMultiplicity > 0) { | |
885 | Int_t multiplicity = 0; | |
886 | for (i = 0; i < np; i++) { | |
887 | TParticle * iparticle = (TParticle *) fParticles->At(i); | |
888 | ||
889 | Int_t statusCode = iparticle->GetStatusCode(); | |
890 | ||
891 | // Initial state particle | |
892 | if (statusCode > 20) | |
893 | continue; | |
894 | ||
895 | // skip quarks and gluons | |
896 | Int_t pdgCode = TMath::Abs(iparticle->GetPdgCode()); | |
897 | if (pdgCode <= 10 || pdgCode == 21) | |
898 | continue; | |
899 | ||
900 | if (fTriggerMultiplicityEta > 0 && TMath::Abs(iparticle->Eta()) > fTriggerMultiplicityEta) | |
901 | continue; | |
902 | ||
903 | TParticlePDG* pdgPart = iparticle->GetPDG(); | |
904 | if (pdgPart && pdgPart->Charge() == 0) | |
905 | continue; | |
906 | ||
907 | ++multiplicity; | |
908 | } | |
909 | ||
910 | if (multiplicity < fTriggerMultiplicity) { | |
911 | delete [] pParent; | |
912 | return 0; | |
913 | } | |
914 | ||
915 | Printf("Triggered on event with multiplicity of %d > %d", multiplicity, fTriggerMultiplicity); | |
916 | } | |
90a236ce | 917 | |
918 | // Select events with a photon pt > min pt going to PHOS eta acceptance or exactly PHOS eta phi | |
919 | if ((fProcess == kPyJets || fProcess == kPyDirectGamma) && fPhotonInCalo && (fCheckPHOSeta || fCheckPHOS)){ | |
920 | ||
921 | Bool_t okd = kFALSE; | |
922 | ||
923 | Int_t pdg = 22; | |
924 | Int_t iphcand = -1; | |
925 | for (i=0; i< np; i++) { | |
926 | TParticle* iparticle = (TParticle *) fParticles->At(i); | |
927 | Float_t phi = iparticle->Phi()*180./TMath::Pi(); //Convert to degrees | |
928 | Float_t eta =TMath::Abs(iparticle->Eta());//in calos etamin=-etamax | |
929 | ||
930 | if(iparticle->GetStatusCode() == 1 | |
931 | && iparticle->GetPdgCode() == pdg | |
932 | && iparticle->Pt() > fPhotonMinPt | |
04a26b0a | 933 | && eta < fPHOSEta){ |
90a236ce | 934 | |
935 | // first check if the photon is in PHOS phi | |
936 | if(IsInPHOS(phi,eta)){ | |
937 | okd = kTRUE; | |
938 | break; | |
939 | } | |
940 | if(fCheckPHOSeta) iphcand = i; // candiate photon to rotate in phi | |
941 | ||
942 | } | |
943 | } | |
944 | ||
945 | if(!okd && iphcand != -1) // execute rotation in phi | |
946 | RotatePhi(iphcand,okd); | |
947 | ||
948 | if(!okd) | |
949 | return 0; | |
950 | } | |
951 | ||
7ce1321b | 952 | if (fTriggerParticle) { |
953 | Bool_t triggered = kFALSE; | |
954 | for (i = 0; i < np; i++) { | |
955 | TParticle * iparticle = (TParticle *) fParticles->At(i); | |
956 | kf = CheckPDGCode(iparticle->GetPdgCode()); | |
38db0ee6 | 957 | if (kf != fTriggerParticle) continue; |
7ce1321b | 958 | if (iparticle->Pt() == 0.) continue; |
959 | if (TMath::Abs(iparticle->Eta()) > fTriggerEta) continue; | |
960 | triggered = kTRUE; | |
961 | break; | |
962 | } | |
234f6d32 | 963 | if (!triggered) { |
964 | delete [] pParent; | |
965 | return 0; | |
966 | } | |
7ce1321b | 967 | } |
e0e89f40 | 968 | |
969 | ||
970 | // Check if there is a ccbar or bbbar pair with at least one of the two | |
971 | // in fYMin < y < fYMax | |
972 | if (fProcess == kPyCharmppMNRwmi || fProcess == kPyBeautyppMNRwmi) { | |
973 | TParticle *hvq; | |
974 | Bool_t theQ=kFALSE,theQbar=kFALSE,inYcut=kFALSE; | |
975 | Float_t yQ; | |
976 | Int_t pdgQ; | |
977 | for(i=0; i<np; i++) { | |
978 | hvq = (TParticle*)fParticles->At(i); | |
979 | pdgQ = hvq->GetPdgCode(); | |
980 | if(TMath::Abs(pdgQ) != fFlavorSelect) continue; | |
981 | if(pdgQ>0) { theQ=kTRUE; } else { theQbar=kTRUE; } | |
982 | yQ = 0.5*TMath::Log((hvq->Energy()+hvq->Pz()+1.e-13)/ | |
983 | (hvq->Energy()-hvq->Pz()+1.e-13)); | |
984 | if(yQ>fYMin && yQ<fYMax) inYcut=kTRUE; | |
985 | } | |
986 | if (!theQ || !theQbar || !inYcut) { | |
234f6d32 | 987 | delete[] pParent; |
e0e89f40 | 988 | return 0; |
989 | } | |
990 | } | |
aea21c57 | 991 | |
0f6ee828 | 992 | //Introducing child cuts in case kPyW, kPyZ, kPyMb, and kPyMbNonDiff |
f529e69b | 993 | if ( (fProcess == kPyW || |
994 | fProcess == kPyZ || | |
995 | fProcess == kPyMbDefault || | |
996 | fProcess == kPyMb || | |
997 | fProcess == kPyMbNonDiffr) | |
0f6ee828 | 998 | && (fCutOnChild == 1) ) { |
999 | if ( !CheckKinematicsOnChild() ) { | |
234f6d32 | 1000 | delete[] pParent; |
0f6ee828 | 1001 | return 0; |
1002 | } | |
aea21c57 | 1003 | } |
1004 | ||
1005 | ||
f913ec4f | 1006 | for (i = 0; i < np; i++) { |
8d2cd130 | 1007 | Int_t trackIt = 0; |
1008 | TParticle * iparticle = (TParticle *) fParticles->At(i); | |
1009 | kf = CheckPDGCode(iparticle->GetPdgCode()); | |
1010 | Int_t ks = iparticle->GetStatusCode(); | |
1011 | Int_t km = iparticle->GetFirstMother(); | |
1012 | if ((ks == 1 && kf!=0 && KinematicSelection(iparticle, 0)) || | |
1013 | (ks != 1) || | |
1014 | (fProcess == kPyJets && ks == 21 && km == 0 && i>1)) { | |
1015 | nc++; | |
1016 | if (ks == 1) trackIt = 1; | |
1017 | Int_t ipa = iparticle->GetFirstMother()-1; | |
1018 | ||
1019 | iparent = (ipa > -1) ? pParent[ipa] : -1; | |
1020 | ||
1021 | // | |
1022 | // store track information | |
1023 | p[0] = iparticle->Px(); | |
1024 | p[1] = iparticle->Py(); | |
1025 | p[2] = iparticle->Pz(); | |
a920faf9 | 1026 | p[3] = iparticle->Energy(); |
1406f599 | 1027 | |
a920faf9 | 1028 | |
2590ccf9 | 1029 | origin[0] = fVertex[0]+iparticle->Vx()/10; // [cm] |
1030 | origin[1] = fVertex[1]+iparticle->Vy()/10; // [cm] | |
1031 | origin[2] = fVertex[2]+iparticle->Vz()/10; // [cm] | |
1032 | ||
f913ec4f | 1033 | Float_t tof = fEventTime + kconv * iparticle->T(); |
a920faf9 | 1034 | |
1035 | PushTrack(fTrackIt*trackIt, iparent, kf, | |
1036 | p[0], p[1], p[2], p[3], | |
1037 | origin[0], origin[1], origin[2], tof, | |
1038 | polar[0], polar[1], polar[2], | |
1039 | kPPrimary, nt, 1., ks); | |
dbd64db6 | 1040 | fNprimaries++; |
5fa4b20b | 1041 | // |
1042 | // Special Treatment to store color-flow | |
1043 | // | |
1044 | if (ks == 3 || ks == 13 || ks == 14) { | |
1045 | TParticle* particle = 0; | |
1046 | if (fStack) { | |
1047 | particle = fStack->Particle(nt); | |
1048 | } else { | |
1049 | particle = gAlice->Stack()->Particle(nt); | |
1050 | } | |
1051 | particle->SetFirstDaughter(fPythia->GetK(2, i)); | |
1052 | particle->SetLastDaughter(fPythia->GetK(3, i)); | |
1053 | } | |
1054 | ||
8d2cd130 | 1055 | KeepTrack(nt); |
1056 | pParent[i] = nt; | |
f913ec4f | 1057 | SetHighWaterMark(nt); |
1058 | ||
8d2cd130 | 1059 | } // select particle |
1060 | } // particle loop | |
1061 | ||
234f6d32 | 1062 | delete[] pParent; |
e0e89f40 | 1063 | |
f913ec4f | 1064 | return 1; |
8d2cd130 | 1065 | } |
1066 | ||
1067 | ||
1068 | void AliGenPythia::FinishRun() | |
1069 | { | |
1070 | // Print x-section summary | |
1071 | fPythia->Pystat(1); | |
2779fc64 | 1072 | |
1073 | if (fNev > 0.) { | |
1074 | fQ /= fNev; | |
1075 | fX1 /= fNev; | |
1076 | fX2 /= fNev; | |
1077 | } | |
1078 | ||
8d2cd130 | 1079 | printf("\nTotal number of Pyevnt() calls %d\n", fTrialsRun); |
1080 | printf("\nMean Q, x1, x2: %f %f %f\n", fQ, fX1, fX2); | |
8d2cd130 | 1081 | } |
1082 | ||
7184e472 | 1083 | void AliGenPythia::AdjustWeights() const |
8d2cd130 | 1084 | { |
1085 | // Adjust the weights after generation of all events | |
1086 | // | |
e2bddf81 | 1087 | if (gAlice) { |
1088 | TParticle *part; | |
1089 | Int_t ntrack=gAlice->GetMCApp()->GetNtrack(); | |
1090 | for (Int_t i=0; i<ntrack; i++) { | |
1091 | part= gAlice->GetMCApp()->Particle(i); | |
1092 | part->SetWeight(part->GetWeight()*fKineBias); | |
1093 | } | |
8d2cd130 | 1094 | } |
1095 | } | |
1096 | ||
1097 | void AliGenPythia::SetNuclei(Int_t a1, Int_t a2) | |
1098 | { | |
1099 | // Treat protons as inside nuclei with mass numbers a1 and a2 | |
1d568bc2 | 1100 | |
1a626d4e | 1101 | fAProjectile = a1; |
1102 | fATarget = a2; | |
1d568bc2 | 1103 | fSetNuclei = kTRUE; |
8d2cd130 | 1104 | } |
1105 | ||
1106 | ||
1107 | void AliGenPythia::MakeHeader() | |
1108 | { | |
7184e472 | 1109 | // |
1110 | // Make header for the simulated event | |
1111 | // | |
183a5ca9 | 1112 | if (gAlice) { |
1113 | if (gAlice->GetEvNumber()>=fDebugEventFirst && | |
f913ec4f | 1114 | gAlice->GetEvNumber()<=fDebugEventLast) fPythia->Pylist(2); |
183a5ca9 | 1115 | } |
1116 | ||
8d2cd130 | 1117 | // Builds the event header, to be called after each event |
e5c87a3d | 1118 | if (fHeader) delete fHeader; |
1119 | fHeader = new AliGenPythiaEventHeader("Pythia"); | |
8d2cd130 | 1120 | // |
1121 | // Event type | |
e5c87a3d | 1122 | ((AliGenPythiaEventHeader*) fHeader)->SetProcessType(fPythia->GetMSTI(1)); |
8d2cd130 | 1123 | // |
1124 | // Number of trials | |
e5c87a3d | 1125 | ((AliGenPythiaEventHeader*) fHeader)->SetTrials(fTrials); |
8d2cd130 | 1126 | // |
1127 | // Event Vertex | |
d25cfd65 | 1128 | fHeader->SetPrimaryVertex(fVertex); |
dbd64db6 | 1129 | |
1130 | // | |
1131 | // Number of primaries | |
1132 | fHeader->SetNProduced(fNprimaries); | |
8d2cd130 | 1133 | // |
1134 | // Jets that have triggered | |
f913ec4f | 1135 | |
8d2cd130 | 1136 | if (fProcess == kPyJets) |
1137 | { | |
1138 | Int_t ntrig, njet; | |
1139 | Float_t jets[4][10]; | |
1140 | GetJets(njet, ntrig, jets); | |
9ff6c04c | 1141 | |
8d2cd130 | 1142 | |
1143 | for (Int_t i = 0; i < ntrig; i++) { | |
e5c87a3d | 1144 | ((AliGenPythiaEventHeader*) fHeader)->AddJet(jets[0][i], jets[1][i], jets[2][i], |
8d2cd130 | 1145 | jets[3][i]); |
1146 | } | |
1147 | } | |
5fa4b20b | 1148 | // |
1149 | // Copy relevant information from external header, if present. | |
1150 | // | |
1151 | Float_t uqJet[4]; | |
1152 | ||
1153 | if (fRL) { | |
1154 | AliGenPythiaEventHeader* exHeader = (AliGenPythiaEventHeader*) (fRL->GetHeader()->GenEventHeader()); | |
1155 | for (Int_t i = 0; i < exHeader->NTriggerJets(); i++) | |
1156 | { | |
1157 | printf("Adding Jet %d %d \n", i, exHeader->NTriggerJets()); | |
1158 | ||
1159 | ||
1160 | exHeader->TriggerJet(i, uqJet); | |
1161 | ((AliGenPythiaEventHeader*) fHeader)->AddUQJet(uqJet[0], uqJet[1], uqJet[2], uqJet[3]); | |
1162 | } | |
1163 | } | |
1164 | // | |
1165 | // Store quenching parameters | |
1166 | // | |
1167 | if (fQuench){ | |
1168 | Double_t z[4]; | |
1169 | Double_t xp, yp; | |
7c21f297 | 1170 | if (fQuench == 1) { |
1171 | // Pythia::Quench() | |
1172 | fPythia->GetQuenchingParameters(xp, yp, z); | |
1173 | } else { | |
1174 | // Pyquen | |
1175 | Double_t r1 = PARIMP.rb1; | |
1176 | Double_t r2 = PARIMP.rb2; | |
1177 | Double_t b = PARIMP.b1; | |
1178 | Double_t r = 0.5 * TMath::Sqrt(2. * (r1 * r1 + r2 * r2) - b * b); | |
1179 | Double_t phi = PARIMP.psib1; | |
1180 | xp = r * TMath::Cos(phi); | |
1181 | yp = r * TMath::Sin(phi); | |
1182 | ||
1183 | } | |
1184 | ((AliGenPythiaEventHeader*) fHeader)->SetXYJet(xp, yp); | |
1185 | ((AliGenPythiaEventHeader*) fHeader)->SetZQuench(z); | |
1186 | } | |
beac474c | 1187 | // |
1188 | // Store pt^hard | |
1189 | ((AliGenPythiaEventHeader*) fHeader)->SetPtHard(fPythia->GetVINT(47)); | |
5fa4b20b | 1190 | // |
cf57b268 | 1191 | // Pass header |
5fa4b20b | 1192 | // |
cf57b268 | 1193 | AddHeader(fHeader); |
4c4eac97 | 1194 | fHeader = 0x0; |
8d2cd130 | 1195 | } |
cf57b268 | 1196 | |
8d2cd130 | 1197 | Bool_t AliGenPythia::CheckTrigger(TParticle* jet1, TParticle* jet2) |
1198 | { | |
1199 | // Check the kinematic trigger condition | |
1200 | // | |
1201 | Double_t eta[2]; | |
1202 | eta[0] = jet1->Eta(); | |
1203 | eta[1] = jet2->Eta(); | |
1204 | Double_t phi[2]; | |
1205 | phi[0] = jet1->Phi(); | |
1206 | phi[1] = jet2->Phi(); | |
1207 | Int_t pdg[2]; | |
1208 | pdg[0] = jet1->GetPdgCode(); | |
1209 | pdg[1] = jet2->GetPdgCode(); | |
1210 | Bool_t triggered = kFALSE; | |
1211 | ||
1212 | if (fProcess == kPyJets) { | |
1213 | Int_t njets = 0; | |
1214 | Int_t ntrig = 0; | |
1215 | Float_t jets[4][10]; | |
1216 | // | |
1217 | // Use Pythia clustering on parton level to determine jet axis | |
1218 | // | |
1219 | GetJets(njets, ntrig, jets); | |
1220 | ||
76d6ba9a | 1221 | if (ntrig || fEtMinJet == 0.) triggered = kTRUE; |
8d2cd130 | 1222 | // |
1223 | } else { | |
1224 | Int_t ij = 0; | |
1225 | Int_t ig = 1; | |
1226 | if (pdg[0] == kGamma) { | |
1227 | ij = 1; | |
1228 | ig = 0; | |
1229 | } | |
1230 | //Check eta range first... | |
1231 | if ((eta[ij] < fEtaMaxJet && eta[ij] > fEtaMinJet) && | |
1232 | (eta[ig] < fEtaMaxGamma && eta[ig] > fEtaMinGamma)) | |
1233 | { | |
1234 | //Eta is okay, now check phi range | |
1235 | if ((phi[ij] < fPhiMaxJet && phi[ij] > fPhiMinJet) && | |
1236 | (phi[ig] < fPhiMaxGamma && phi[ig] > fPhiMinGamma)) | |
1237 | { | |
1238 | triggered = kTRUE; | |
1239 | } | |
1240 | } | |
1241 | } | |
1242 | return triggered; | |
1243 | } | |
aea21c57 | 1244 | |
1245 | ||
aea21c57 | 1246 | |
7184e472 | 1247 | Bool_t AliGenPythia::CheckKinematicsOnChild(){ |
1248 | // | |
1249 | //Checking Kinematics on Child (status code 1, particle code ?, kin cuts | |
1250 | // | |
aea21c57 | 1251 | Bool_t checking = kFALSE; |
1252 | Int_t j, kcode, ks, km; | |
1253 | Int_t nPartAcc = 0; //number of particles in the acceptance range | |
1254 | Int_t numberOfAcceptedParticles = 1; | |
1255 | if (fNumberOfAcceptedParticles != 0) { numberOfAcceptedParticles = fNumberOfAcceptedParticles; } | |
1256 | Int_t npart = fParticles->GetEntriesFast(); | |
1257 | ||
0f6ee828 | 1258 | for (j = 0; j<npart; j++) { |
aea21c57 | 1259 | TParticle * jparticle = (TParticle *) fParticles->At(j); |
1260 | kcode = TMath::Abs( CheckPDGCode(jparticle->GetPdgCode()) ); | |
1261 | ks = jparticle->GetStatusCode(); | |
1262 | km = jparticle->GetFirstMother(); | |
1263 | ||
1264 | if( (ks == 1) && (kcode == fPdgCodeParticleforAcceptanceCut) && (KinematicSelection(jparticle,1)) ){ | |
1265 | nPartAcc++; | |
1266 | } | |
0f6ee828 | 1267 | if( numberOfAcceptedParticles <= nPartAcc){ |
1268 | checking = kTRUE; | |
1269 | break; | |
1270 | } | |
aea21c57 | 1271 | } |
0f6ee828 | 1272 | |
aea21c57 | 1273 | return checking; |
aea21c57 | 1274 | } |
1275 | ||
5fa4b20b | 1276 | void AliGenPythia::LoadEvent(AliStack* stack, Int_t flag, Int_t reHadr) |
8d2cd130 | 1277 | { |
1278 | // | |
1279 | // Load event into Pythia Common Block | |
1280 | // | |
5fa4b20b | 1281 | |
32d6ef7d | 1282 | Int_t npart = stack -> GetNprimary(); |
1283 | Int_t n0 = 0; | |
1284 | ||
1285 | if (!flag) { | |
1286 | (fPythia->GetPyjets())->N = npart; | |
1287 | } else { | |
1288 | n0 = (fPythia->GetPyjets())->N; | |
1289 | (fPythia->GetPyjets())->N = n0 + npart; | |
1290 | } | |
1291 | ||
1292 | ||
8d2cd130 | 1293 | for (Int_t part = 0; part < npart; part++) { |
7184e472 | 1294 | TParticle *mPart = stack->Particle(part); |
32d6ef7d | 1295 | |
7184e472 | 1296 | Int_t kf = mPart->GetPdgCode(); |
1297 | Int_t ks = mPart->GetStatusCode(); | |
1298 | Int_t idf = mPart->GetFirstDaughter(); | |
1299 | Int_t idl = mPart->GetLastDaughter(); | |
5fa4b20b | 1300 | |
1301 | if (reHadr) { | |
1302 | if (ks == 11 || ks == 12) { | |
1303 | ks -= 10; | |
1304 | idf = -1; | |
1305 | idl = -1; | |
1306 | } | |
1307 | } | |
32d6ef7d | 1308 | |
7184e472 | 1309 | Float_t px = mPart->Px(); |
1310 | Float_t py = mPart->Py(); | |
1311 | Float_t pz = mPart->Pz(); | |
1312 | Float_t e = mPart->Energy(); | |
1313 | Float_t m = mPart->GetCalcMass(); | |
8d2cd130 | 1314 | |
1315 | ||
32d6ef7d | 1316 | (fPythia->GetPyjets())->P[0][part+n0] = px; |
1317 | (fPythia->GetPyjets())->P[1][part+n0] = py; | |
1318 | (fPythia->GetPyjets())->P[2][part+n0] = pz; | |
1319 | (fPythia->GetPyjets())->P[3][part+n0] = e; | |
1320 | (fPythia->GetPyjets())->P[4][part+n0] = m; | |
8d2cd130 | 1321 | |
32d6ef7d | 1322 | (fPythia->GetPyjets())->K[1][part+n0] = kf; |
1323 | (fPythia->GetPyjets())->K[0][part+n0] = ks; | |
5fa4b20b | 1324 | (fPythia->GetPyjets())->K[3][part+n0] = idf + 1; |
1325 | (fPythia->GetPyjets())->K[4][part+n0] = idl + 1; | |
7184e472 | 1326 | (fPythia->GetPyjets())->K[2][part+n0] = mPart->GetFirstMother() + 1; |
8d2cd130 | 1327 | } |
1328 | } | |
1329 | ||
5fa4b20b | 1330 | |
014a9521 | 1331 | void AliGenPythia::RecJetsUA1(Int_t& njets, Float_t jets [4][50]) |
8d2cd130 | 1332 | { |
1333 | // | |
1334 | // Calls the Pythia jet finding algorithm to find jets in the current event | |
1335 | // | |
1336 | // | |
8d2cd130 | 1337 | // |
1338 | // Save jets | |
1339 | Int_t n = fPythia->GetN(); | |
1340 | ||
1341 | // | |
1342 | // Run Jet Finder | |
1343 | fPythia->Pycell(njets); | |
1344 | Int_t i; | |
1345 | for (i = 0; i < njets; i++) { | |
1346 | Float_t px = (fPythia->GetPyjets())->P[0][n+i]; | |
1347 | Float_t py = (fPythia->GetPyjets())->P[1][n+i]; | |
1348 | Float_t pz = (fPythia->GetPyjets())->P[2][n+i]; | |
1349 | Float_t e = (fPythia->GetPyjets())->P[3][n+i]; | |
1350 | ||
1351 | jets[0][i] = px; | |
1352 | jets[1][i] = py; | |
1353 | jets[2][i] = pz; | |
1354 | jets[3][i] = e; | |
1355 | } | |
1356 | } | |
1357 | ||
1358 | ||
1359 | ||
1360 | void AliGenPythia::GetJets(Int_t& nJets, Int_t& nJetsTrig, Float_t jets[4][10]) | |
1361 | { | |
1362 | // | |
1363 | // Calls the Pythia clustering algorithm to find jets in the current event | |
1364 | // | |
1365 | Int_t n = fPythia->GetN(); | |
1366 | nJets = 0; | |
1367 | nJetsTrig = 0; | |
1368 | if (fJetReconstruction == kCluster) { | |
1369 | // | |
1370 | // Configure cluster algorithm | |
1371 | // | |
1372 | fPythia->SetPARU(43, 2.); | |
1373 | fPythia->SetMSTU(41, 1); | |
1374 | // | |
1375 | // Call cluster algorithm | |
1376 | // | |
1377 | fPythia->Pyclus(nJets); | |
1378 | // | |
1379 | // Loading jets from common block | |
1380 | // | |
1381 | } else { | |
592f8307 | 1382 | |
8d2cd130 | 1383 | // |
1384 | // Run Jet Finder | |
1385 | fPythia->Pycell(nJets); | |
1386 | } | |
1387 | ||
1388 | Int_t i; | |
1389 | for (i = 0; i < nJets; i++) { | |
1390 | Float_t px = (fPythia->GetPyjets())->P[0][n+i]; | |
1391 | Float_t py = (fPythia->GetPyjets())->P[1][n+i]; | |
1392 | Float_t pz = (fPythia->GetPyjets())->P[2][n+i]; | |
1393 | Float_t e = (fPythia->GetPyjets())->P[3][n+i]; | |
1394 | Float_t pt = TMath::Sqrt(px * px + py * py); | |
a920faf9 | 1395 | Float_t phi = TMath::Pi() + TMath::ATan2(-py, -px); |
8d2cd130 | 1396 | Float_t theta = TMath::ATan2(pt,pz); |
1397 | Float_t et = e * TMath::Sin(theta); | |
1398 | Float_t eta = -TMath::Log(TMath::Tan(theta / 2.)); | |
8d2cd130 | 1399 | if ( |
1400 | eta > fEtaMinJet && eta < fEtaMaxJet && | |
675eb105 | 1401 | phi > fPhiMinJet && phi < fPhiMaxJet && |
8d2cd130 | 1402 | et > fEtMinJet && et < fEtMaxJet |
1403 | ) | |
1404 | { | |
1405 | jets[0][nJetsTrig] = px; | |
1406 | jets[1][nJetsTrig] = py; | |
1407 | jets[2][nJetsTrig] = pz; | |
1408 | jets[3][nJetsTrig] = e; | |
1409 | nJetsTrig++; | |
5fa4b20b | 1410 | // printf("\n........-Jet #%d: %10.3f %10.3f %10.3f %10.3f \n", i, pt, et, eta, phi * kRaddeg); |
8d2cd130 | 1411 | } else { |
1412 | // printf("\n........-Jet #%d: %10.3f %10.3f %10.3f %10.3f \n", i, pt, et, eta, phi * kRaddeg); | |
1413 | } | |
1414 | } | |
1415 | } | |
1416 | ||
f913ec4f | 1417 | void AliGenPythia::GetSubEventTime() |
1418 | { | |
1419 | // Calculates time of the next subevent | |
9d7108a7 | 1420 | fEventTime = 0.; |
1421 | if (fEventsTime) { | |
1422 | TArrayF &array = *fEventsTime; | |
1423 | fEventTime = array[fCurSubEvent++]; | |
1424 | } | |
1425 | // printf(" Event time: %d %f %p",fCurSubEvent,fEventTime,fEventsTime); | |
1426 | return; | |
f913ec4f | 1427 | } |
8d2cd130 | 1428 | |
ec2c406e | 1429 | Bool_t AliGenPythia::IsInEMCAL(Float_t phi, Float_t eta) |
1430 | { | |
1431 | // Is particle in EMCAL acceptance? | |
ec2c406e | 1432 | // phi in degrees, etamin=-etamax |
9fd8e520 | 1433 | if(phi > fEMCALMinPhi && phi < fEMCALMaxPhi && |
1434 | eta < fEMCALEta ) | |
ec2c406e | 1435 | return kTRUE; |
1436 | else | |
1437 | return kFALSE; | |
1438 | } | |
1439 | ||
1440 | Bool_t AliGenPythia::IsInPHOS(Float_t phi, Float_t eta) | |
1441 | { | |
1442 | // Is particle in PHOS acceptance? | |
1443 | // Acceptance slightly larger considered. | |
1444 | // phi in degrees, etamin=-etamax | |
9fd8e520 | 1445 | if(phi > fPHOSMinPhi && phi < fPHOSMaxPhi && |
1446 | eta < fPHOSEta ) | |
ec2c406e | 1447 | return kTRUE; |
1448 | else | |
1449 | return kFALSE; | |
1450 | } | |
1451 | ||
90a236ce | 1452 | void AliGenPythia::RotatePhi(Int_t iphcand, Bool_t& okdd) |
1453 | { | |
1454 | //calculate the new position random between fPHOSMinPhi and fPHOSMaxPhi | |
1455 | Double_t phiPHOSmin = TMath::Pi()*fPHOSMinPhi/180; | |
1456 | Double_t phiPHOSmax = TMath::Pi()*fPHOSMaxPhi/180; | |
1457 | Double_t phiPHOS = gRandom->Uniform(phiPHOSmin,phiPHOSmax); | |
1458 | ||
1459 | //calculate deltaphi | |
1460 | TParticle* ph = (TParticle *) fParticles->At(iphcand); | |
1461 | Double_t phphi = ph->Phi(); | |
1462 | Double_t deltaphi = phiPHOS - phphi; | |
1463 | ||
1464 | ||
1465 | ||
1466 | //loop for all particles and produce the phi rotation | |
1467 | Int_t np = (fHadronisation) ? fParticles->GetEntriesFast() : fNpartons; | |
1468 | Double_t oldphi, newphi; | |
1469 | Double_t newVx, newVy, R, Vz, time; | |
1470 | Double_t newPx, newPy, pt, Pz, e; | |
1471 | for(Int_t i=0; i< np; i++) { | |
1472 | TParticle* iparticle = (TParticle *) fParticles->At(i); | |
1473 | oldphi = iparticle->Phi(); | |
1474 | newphi = oldphi + deltaphi; | |
1475 | if(newphi < 0) newphi = 2*TMath::Pi() + newphi; // correct angle | |
1476 | if(newphi > 2*TMath::Pi()) newphi = newphi - 2*TMath::Pi(); // correct angle | |
1477 | ||
1478 | R = iparticle->R(); | |
1479 | newVx = R*TMath::Cos(newphi); | |
1480 | newVy = R*TMath::Sin(newphi); | |
1481 | Vz = iparticle->Vz(); // don't transform | |
1482 | time = iparticle->T(); // don't transform | |
1483 | ||
1484 | pt = iparticle->Pt(); | |
1485 | newPx = pt*TMath::Cos(newphi); | |
1486 | newPy = pt*TMath::Sin(newphi); | |
1487 | Pz = iparticle->Pz(); // don't transform | |
1488 | e = iparticle->Energy(); // don't transform | |
1489 | ||
1490 | // apply rotation | |
1491 | iparticle->SetProductionVertex(newVx, newVy, Vz, time); | |
1492 | iparticle->SetMomentum(newPx, newPy, Pz, e); | |
1493 | ||
1494 | } //end particle loop | |
1495 | ||
1496 | // now let's check that we put correctly the candidate photon in PHOS | |
1497 | Float_t phi = ph->Phi()*180./TMath::Pi(); //Convert to degrees | |
1498 | Float_t eta =TMath::Abs(ph->Eta());//in calos etamin=-etamax | |
1499 | if(IsInPHOS(phi,eta)) | |
1500 | okdd = kTRUE; | |
1501 | } | |
ec2c406e | 1502 | |
1503 | ||
8d2cd130 | 1504 | #ifdef never |
1505 | void AliGenPythia::Streamer(TBuffer &R__b) | |
1506 | { | |
1507 | // Stream an object of class AliGenPythia. | |
1508 | ||
1509 | if (R__b.IsReading()) { | |
1510 | Version_t R__v = R__b.ReadVersion(); if (R__v) { } | |
1511 | AliGenerator::Streamer(R__b); | |
1512 | R__b >> (Int_t&)fProcess; | |
1513 | R__b >> (Int_t&)fStrucFunc; | |
1514 | R__b >> (Int_t&)fForceDecay; | |
1515 | R__b >> fEnergyCMS; | |
1516 | R__b >> fKineBias; | |
1517 | R__b >> fTrials; | |
1518 | fParentSelect.Streamer(R__b); | |
1519 | fChildSelect.Streamer(R__b); | |
1520 | R__b >> fXsection; | |
1521 | // (AliPythia::Instance())->Streamer(R__b); | |
1522 | R__b >> fPtHardMin; | |
1523 | R__b >> fPtHardMax; | |
1524 | // if (fDecayer) fDecayer->Streamer(R__b); | |
1525 | } else { | |
1526 | R__b.WriteVersion(AliGenPythia::IsA()); | |
1527 | AliGenerator::Streamer(R__b); | |
1528 | R__b << (Int_t)fProcess; | |
1529 | R__b << (Int_t)fStrucFunc; | |
1530 | R__b << (Int_t)fForceDecay; | |
1531 | R__b << fEnergyCMS; | |
1532 | R__b << fKineBias; | |
1533 | R__b << fTrials; | |
1534 | fParentSelect.Streamer(R__b); | |
1535 | fChildSelect.Streamer(R__b); | |
1536 | R__b << fXsection; | |
1537 | // R__b << fPythia; | |
1538 | R__b << fPtHardMin; | |
1539 | R__b << fPtHardMax; | |
1540 | // fDecayer->Streamer(R__b); | |
1541 | } | |
1542 | } | |
1543 | #endif | |
1544 | ||
90d7b703 | 1545 | |
589380c6 | 1546 |