| 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> |
| 1058d9df |
32 | #include <TObjArray.h> |
| 8d2cd130 |
33 | #include <TSystem.h> |
| 34 | #include <TTree.h> |
| 8d2cd130 |
35 | #include "AliConst.h" |
| 36 | #include "AliDecayerPythia.h" |
| 37 | #include "AliGenPythia.h" |
| cd07c39b |
38 | #include "AliFastGlauber.h" |
| 5fa4b20b |
39 | #include "AliHeader.h" |
| 8d2cd130 |
40 | #include "AliGenPythiaEventHeader.h" |
| 41 | #include "AliPythia.h" |
| 7cdba479 |
42 | #include "AliPythiaRndm.h" |
| 8d2cd130 |
43 | #include "AliRun.h" |
| 7ea3ea5b |
44 | #include "AliStack.h" |
| 45 | #include "AliRunLoader.h" |
| 5d12ce38 |
46 | #include "AliMC.h" |
| c93255fe |
47 | #include "AliLog.h" |
| e2d34d35 |
48 | #include "PyquenCommon.h" |
| 800be8b7 |
49 | #include "AliLog.h" |
| 8d2cd130 |
50 | |
| 014a9521 |
51 | ClassImp(AliGenPythia) |
| 8d2cd130 |
52 | |
| e8a8adcd |
53 | |
| 54 | AliGenPythia::AliGenPythia(): |
| 55 | AliGenMC(), |
| 56 | fProcess(kPyCharm), |
| efe3b1cd |
57 | fItune(-1), |
| e8a8adcd |
58 | fStrucFunc(kCTEQ5L), |
| e8a8adcd |
59 | fKineBias(0.), |
| 60 | fTrials(0), |
| 61 | fTrialsRun(0), |
| 62 | fQ(0.), |
| 63 | fX1(0.), |
| 64 | fX2(0.), |
| 65 | fEventTime(0.), |
| 66 | fInteractionRate(0.), |
| 67 | fTimeWindow(0.), |
| 68 | fCurSubEvent(0), |
| 69 | fEventsTime(0), |
| 70 | fNev(0), |
| 71 | fFlavorSelect(0), |
| 72 | fXsection(0.), |
| 73 | fPythia(0), |
| 74 | fPtHardMin(0.), |
| 75 | fPtHardMax(1.e4), |
| 76 | fYHardMin(-1.e10), |
| 77 | fYHardMax(1.e10), |
| 78 | fGinit(1), |
| 79 | fGfinal(1), |
| 80 | fHadronisation(1), |
| 03358a32 |
81 | fPatchOmegaDalitz(0), |
| e8a8adcd |
82 | fNpartons(0), |
| 83 | fReadFromFile(0), |
| 64da86aa |
84 | fReadLHEF(0), |
| e8a8adcd |
85 | fQuench(0), |
| cd07c39b |
86 | fQhat(0.), |
| 87 | fLength(0.), |
| 66b8652c |
88 | fpyquenT(1.), |
| 89 | fpyquenTau(0.1), |
| 90 | fpyquenNf(0), |
| 91 | fpyquenEloss(0), |
| 92 | fpyquenAngle(0), |
| e6fe9b82 |
93 | fImpact(0.), |
| e8a8adcd |
94 | fPtKick(1.), |
| 95 | fFullEvent(kTRUE), |
| 96 | fDecayer(new AliDecayerPythia()), |
| 97 | fDebugEventFirst(-1), |
| 98 | fDebugEventLast(-1), |
| 99 | fEtMinJet(0.), |
| 100 | fEtMaxJet(1.e4), |
| 101 | fEtaMinJet(-20.), |
| 102 | fEtaMaxJet(20.), |
| 103 | fPhiMinJet(0.), |
| 104 | fPhiMaxJet(2.* TMath::Pi()), |
| 105 | fJetReconstruction(kCell), |
| 106 | fEtaMinGamma(-20.), |
| 107 | fEtaMaxGamma(20.), |
| 108 | fPhiMinGamma(0.), |
| 109 | fPhiMaxGamma(2. * TMath::Pi()), |
| 110 | fPycellEtaMax(2.), |
| 111 | fPycellNEta(274), |
| 112 | fPycellNPhi(432), |
| 113 | fPycellThreshold(0.), |
| 114 | fPycellEtSeed(4.), |
| 115 | fPycellMinEtJet(10.), |
| 116 | fPycellMaxRadius(1.), |
| 117 | fStackFillOpt(kFlavorSelection), |
| 118 | fFeedDownOpt(kTRUE), |
| 119 | fFragmentation(kTRUE), |
| 120 | fSetNuclei(kFALSE), |
| fb355e51 |
121 | fUseNuclearPDF(kFALSE), |
| 122 | fUseLorentzBoost(kTRUE), |
| e8a8adcd |
123 | fNewMIS(kFALSE), |
| 124 | fHFoff(kFALSE), |
| 20e47f08 |
125 | fNucPdf(0), |
| e8a8adcd |
126 | fTriggerParticle(0), |
| 127 | fTriggerEta(0.9), |
| 2591bd0e |
128 | fTriggerMinPt(-1), |
| 129 | fTriggerMaxPt(1000), |
| 700b9416 |
130 | fTriggerMultiplicity(0), |
| 131 | fTriggerMultiplicityEta(0), |
| 38112f3f |
132 | fTriggerMultiplicityPtMin(0), |
| e8a8adcd |
133 | fCountMode(kCountAll), |
| 134 | fHeader(0), |
| 135 | fRL(0), |
| 777e69b0 |
136 | fkFileName(0), |
| 64da86aa |
137 | fkNameLHEF(0), |
| 9fd8e520 |
138 | fFragPhotonInCalo(kFALSE), |
| 43e3b80a |
139 | fHadronInCalo(kFALSE) , |
| ec2c406e |
140 | fPi0InCalo(kFALSE) , |
| 40fe59d4 |
141 | fEtaInCalo(kFALSE) , |
| 142 | fPhotonInCalo(kFALSE), // not in use |
| 143 | fDecayPhotonInCalo(kFALSE), |
| 144 | fForceNeutralMeson2PhotonDecay(kFALSE), |
| 145 | fEleInCalo(kFALSE), |
| 146 | fEleInEMCAL(kFALSE), // not in use |
| 147 | fCheckBarrel(kFALSE), |
| 9fd8e520 |
148 | fCheckEMCAL(kFALSE), |
| 149 | fCheckPHOS(kFALSE), |
| 90a236ce |
150 | fCheckPHOSeta(kFALSE), |
| 40fe59d4 |
151 | fPHOSRotateCandidate(-1), |
| 43e3b80a |
152 | fTriggerParticleMinPt(0), |
| 40fe59d4 |
153 | fPhotonMinPt(0), // not in use |
| 154 | fElectronMinPt(0), // not in use |
| 9fd8e520 |
155 | fPHOSMinPhi(219.), |
| 156 | fPHOSMaxPhi(321.), |
| 157 | fPHOSEta(0.13), |
| 158 | fEMCALMinPhi(79.), |
| 159 | fEMCALMaxPhi(191.), |
| 800be8b7 |
160 | fEMCALEta(0.71), |
| 161 | fkTuneForDiff(0), |
| 162 | fProcDiff(0) |
| 8d2cd130 |
163 | { |
| 164 | // Default Constructor |
| e7c989e4 |
165 | fEnergyCMS = 5500.; |
| 7cdba479 |
166 | if (!AliPythiaRndm::GetPythiaRandom()) |
| e8a8adcd |
167 | AliPythiaRndm::SetPythiaRandom(GetRandom()); |
| 8d2cd130 |
168 | } |
| 169 | |
| 170 | AliGenPythia::AliGenPythia(Int_t npart) |
| e8a8adcd |
171 | :AliGenMC(npart), |
| 172 | fProcess(kPyCharm), |
| efe3b1cd |
173 | fItune(-1), |
| e8a8adcd |
174 | fStrucFunc(kCTEQ5L), |
| e8a8adcd |
175 | fKineBias(0.), |
| 176 | fTrials(0), |
| 177 | fTrialsRun(0), |
| 178 | fQ(0.), |
| 179 | fX1(0.), |
| 180 | fX2(0.), |
| 181 | fEventTime(0.), |
| 182 | fInteractionRate(0.), |
| 183 | fTimeWindow(0.), |
| 184 | fCurSubEvent(0), |
| 185 | fEventsTime(0), |
| 186 | fNev(0), |
| 187 | fFlavorSelect(0), |
| 188 | fXsection(0.), |
| 189 | fPythia(0), |
| 190 | fPtHardMin(0.), |
| 191 | fPtHardMax(1.e4), |
| 192 | fYHardMin(-1.e10), |
| 193 | fYHardMax(1.e10), |
| 194 | fGinit(kTRUE), |
| 195 | fGfinal(kTRUE), |
| 196 | fHadronisation(kTRUE), |
| 03358a32 |
197 | fPatchOmegaDalitz(0), |
| e8a8adcd |
198 | fNpartons(0), |
| 199 | fReadFromFile(kFALSE), |
| 64da86aa |
200 | fReadLHEF(0), |
| e8a8adcd |
201 | fQuench(kFALSE), |
| cd07c39b |
202 | fQhat(0.), |
| 203 | fLength(0.), |
| 66b8652c |
204 | fpyquenT(1.), |
| 205 | fpyquenTau(0.1), |
| 206 | fpyquenNf(0), |
| 207 | fpyquenEloss(0), |
| 208 | fpyquenAngle(0), |
| e6fe9b82 |
209 | fImpact(0.), |
| e8a8adcd |
210 | fPtKick(1.), |
| 211 | fFullEvent(kTRUE), |
| 212 | fDecayer(new AliDecayerPythia()), |
| 213 | fDebugEventFirst(-1), |
| 214 | fDebugEventLast(-1), |
| 215 | fEtMinJet(0.), |
| 216 | fEtMaxJet(1.e4), |
| 217 | fEtaMinJet(-20.), |
| 218 | fEtaMaxJet(20.), |
| 219 | fPhiMinJet(0.), |
| 220 | fPhiMaxJet(2.* TMath::Pi()), |
| 221 | fJetReconstruction(kCell), |
| 222 | fEtaMinGamma(-20.), |
| 223 | fEtaMaxGamma(20.), |
| 224 | fPhiMinGamma(0.), |
| 225 | fPhiMaxGamma(2. * TMath::Pi()), |
| 226 | fPycellEtaMax(2.), |
| 227 | fPycellNEta(274), |
| 228 | fPycellNPhi(432), |
| 229 | fPycellThreshold(0.), |
| 230 | fPycellEtSeed(4.), |
| 231 | fPycellMinEtJet(10.), |
| 232 | fPycellMaxRadius(1.), |
| 233 | fStackFillOpt(kFlavorSelection), |
| 234 | fFeedDownOpt(kTRUE), |
| 235 | fFragmentation(kTRUE), |
| 236 | fSetNuclei(kFALSE), |
| fb355e51 |
237 | fUseNuclearPDF(kFALSE), |
| 238 | fUseLorentzBoost(kTRUE), |
| e8a8adcd |
239 | fNewMIS(kFALSE), |
| 240 | fHFoff(kFALSE), |
| 20e47f08 |
241 | fNucPdf(0), |
| e8a8adcd |
242 | fTriggerParticle(0), |
| 2591bd0e |
243 | fTriggerEta(0.9), |
| 244 | fTriggerMinPt(-1), |
| 245 | fTriggerMaxPt(1000), |
| 700b9416 |
246 | fTriggerMultiplicity(0), |
| 247 | fTriggerMultiplicityEta(0), |
| 38112f3f |
248 | fTriggerMultiplicityPtMin(0), |
| e8a8adcd |
249 | fCountMode(kCountAll), |
| 250 | fHeader(0), |
| 251 | fRL(0), |
| 777e69b0 |
252 | fkFileName(0), |
| 64da86aa |
253 | fkNameLHEF(0), |
| 9fd8e520 |
254 | fFragPhotonInCalo(kFALSE), |
| 43e3b80a |
255 | fHadronInCalo(kFALSE) , |
| ec2c406e |
256 | fPi0InCalo(kFALSE) , |
| 40fe59d4 |
257 | fEtaInCalo(kFALSE) , |
| 258 | fPhotonInCalo(kFALSE), // not in use |
| 259 | fDecayPhotonInCalo(kFALSE), |
| 260 | fForceNeutralMeson2PhotonDecay(kFALSE), |
| 261 | fEleInCalo(kFALSE), |
| 262 | fEleInEMCAL(kFALSE), // not in use |
| 263 | fCheckBarrel(kFALSE), |
| 9fd8e520 |
264 | fCheckEMCAL(kFALSE), |
| 265 | fCheckPHOS(kFALSE), |
| 90a236ce |
266 | fCheckPHOSeta(kFALSE), |
| 40fe59d4 |
267 | fPHOSRotateCandidate(-1), |
| 43e3b80a |
268 | fTriggerParticleMinPt(0), |
| 40fe59d4 |
269 | fPhotonMinPt(0), // not in use |
| 270 | fElectronMinPt(0), // not in use |
| 9fd8e520 |
271 | fPHOSMinPhi(219.), |
| 272 | fPHOSMaxPhi(321.), |
| 273 | fPHOSEta(0.13), |
| 274 | fEMCALMinPhi(79.), |
| 275 | fEMCALMaxPhi(191.), |
| 800be8b7 |
276 | fEMCALEta(0.71), |
| 277 | fkTuneForDiff(0), |
| 278 | fProcDiff(0) |
| 8d2cd130 |
279 | { |
| 280 | // default charm production at 5. 5 TeV |
| 281 | // semimuonic decay |
| 282 | // structure function GRVHO |
| 283 | // |
| e7c989e4 |
284 | fEnergyCMS = 5500.; |
| 8d2cd130 |
285 | fName = "Pythia"; |
| 286 | fTitle= "Particle Generator using PYTHIA"; |
| 8d2cd130 |
287 | SetForceDecay(); |
| 8d2cd130 |
288 | // Set random number generator |
| 7cdba479 |
289 | if (!AliPythiaRndm::GetPythiaRandom()) |
| 290 | AliPythiaRndm::SetPythiaRandom(GetRandom()); |
| 76d6ba9a |
291 | } |
| 8d2cd130 |
292 | |
| 8d2cd130 |
293 | AliGenPythia::~AliGenPythia() |
| 294 | { |
| 295 | // Destructor |
| 9d7108a7 |
296 | if(fEventsTime) delete fEventsTime; |
| 297 | } |
| 298 | |
| 299 | void AliGenPythia::SetInteractionRate(Float_t rate,Float_t timewindow) |
| 300 | { |
| 301 | // Generate pileup using user specified rate |
| 302 | fInteractionRate = rate; |
| 303 | fTimeWindow = timewindow; |
| 304 | GeneratePileup(); |
| 305 | } |
| 306 | |
| 307 | void AliGenPythia::GeneratePileup() |
| 308 | { |
| 309 | // Generate sub events time for pileup |
| 310 | fEventsTime = 0; |
| 311 | if(fInteractionRate == 0.) { |
| 312 | Warning("GeneratePileup","Zero interaction specified. Skipping pileup generation.\n"); |
| 313 | return; |
| 314 | } |
| 315 | |
| 316 | Int_t npart = NumberParticles(); |
| 317 | if(npart < 0) { |
| 318 | Warning("GeneratePileup","Negative number of particles. Skipping pileup generation.\n"); |
| 319 | return; |
| 320 | } |
| 321 | |
| 322 | if(fEventsTime) delete fEventsTime; |
| 323 | fEventsTime = new TArrayF(npart); |
| 324 | TArrayF &array = *fEventsTime; |
| 325 | for(Int_t ipart = 0; ipart < npart; ipart++) |
| 326 | array[ipart] = 0.; |
| 327 | |
| 328 | Float_t eventtime = 0.; |
| 329 | while(1) |
| 330 | { |
| 331 | eventtime += (AliPythiaRndm::GetPythiaRandom())->Exp(1./fInteractionRate); |
| 332 | if(eventtime > fTimeWindow) break; |
| 333 | array.Set(array.GetSize()+1); |
| 334 | array[array.GetSize()-1] = eventtime; |
| 335 | } |
| 336 | |
| 337 | eventtime = 0.; |
| 338 | while(1) |
| 339 | { |
| 340 | eventtime -= (AliPythiaRndm::GetPythiaRandom())->Exp(1./fInteractionRate); |
| 341 | if(TMath::Abs(eventtime) > fTimeWindow) break; |
| 342 | array.Set(array.GetSize()+1); |
| 343 | array[array.GetSize()-1] = eventtime; |
| 344 | } |
| 345 | |
| 346 | SetNumberParticles(fEventsTime->GetSize()); |
| 8d2cd130 |
347 | } |
| 348 | |
| 592f8307 |
349 | void AliGenPythia::SetPycellParameters(Float_t etamax, Int_t neta, Int_t nphi, |
| 350 | Float_t thresh, Float_t etseed, Float_t minet, Float_t r) |
| 351 | { |
| 352 | // Set pycell parameters |
| 353 | fPycellEtaMax = etamax; |
| 354 | fPycellNEta = neta; |
| 355 | fPycellNPhi = nphi; |
| 356 | fPycellThreshold = thresh; |
| 357 | fPycellEtSeed = etseed; |
| 358 | fPycellMinEtJet = minet; |
| 359 | fPycellMaxRadius = r; |
| 360 | } |
| 361 | |
| 362 | |
| 363 | |
| 8d2cd130 |
364 | void AliGenPythia::SetEventListRange(Int_t eventFirst, Int_t eventLast) |
| 365 | { |
| 366 | // Set a range of event numbers, for which a table |
| 367 | // of generated particle will be printed |
| 368 | fDebugEventFirst = eventFirst; |
| 369 | fDebugEventLast = eventLast; |
| 370 | if (fDebugEventLast==-1) fDebugEventLast=fDebugEventFirst; |
| 371 | } |
| 372 | |
| 373 | void AliGenPythia::Init() |
| 374 | { |
| 375 | // Initialisation |
| 376 | |
| 377 | SetMC(AliPythia::Instance()); |
| b88f5cea |
378 | fPythia=(AliPythia*) fMCEvGen; |
| e2bddf81 |
379 | |
| 8d2cd130 |
380 | // |
| 381 | fParentWeight=1./Float_t(fNpart); |
| 382 | // |
| 8d2cd130 |
383 | |
| 384 | |
| 385 | fPythia->SetCKIN(3,fPtHardMin); |
| 386 | fPythia->SetCKIN(4,fPtHardMax); |
| 387 | fPythia->SetCKIN(7,fYHardMin); |
| 388 | fPythia->SetCKIN(8,fYHardMax); |
| 389 | |
| e28ccdaf |
390 | if (fProjectile != "p" || fTarget != "p") fPythia->SetCollisionSystem(fProjectile,fTarget); |
| 391 | |
| fb355e51 |
392 | if(fUseNuclearPDF) |
| 393 | fPythia->SetNuclei(fAProjectile, fATarget, fNucPdf); |
| 8d2cd130 |
394 | // Fragmentation? |
| 395 | if (fFragmentation) { |
| 396 | fPythia->SetMSTP(111,1); |
| 397 | } else { |
| 398 | fPythia->SetMSTP(111,0); |
| 399 | } |
| 400 | |
| 401 | |
| 402 | // initial state radiation |
| 403 | fPythia->SetMSTP(61,fGinit); |
| 404 | // final state radiation |
| 405 | fPythia->SetMSTP(71,fGfinal); |
| 406 | // pt - kick |
| 407 | if (fPtKick > 0.) { |
| 408 | fPythia->SetMSTP(91,1); |
| 688950ef |
409 | fPythia->SetPARP(91,fPtKick); |
| 410 | fPythia->SetPARP(93, 4. * fPtKick); |
| 8d2cd130 |
411 | } else { |
| 412 | fPythia->SetMSTP(91,0); |
| 413 | } |
| 414 | |
| 64da86aa |
415 | if (fReadLHEF) fPythia->OpenFortranFile(97, const_cast<char*>(fkNameLHEF)); |
| 416 | |
| 5fa4b20b |
417 | if (fReadFromFile) { |
| 777e69b0 |
418 | fRL = AliRunLoader::Open(fkFileName, "Partons"); |
| 5fa4b20b |
419 | fRL->LoadKinematics(); |
| 420 | fRL->LoadHeader(); |
| 421 | } else { |
| 422 | fRL = 0x0; |
| 423 | } |
| fdea4387 |
424 | // |
| efe3b1cd |
425 | fPythia->ProcInit(fProcess,fEnergyCMS,fStrucFunc, fItune); |
| fdea4387 |
426 | // Forward Paramters to the AliPythia object |
| 427 | fDecayer->SetForceDecay(fForceDecay); |
| beac474c |
428 | // Switch off Heavy Flavors on request |
| 429 | if (fHFoff) { |
| 51387949 |
430 | // Maximum number of quark flavours used in pdf |
| beac474c |
431 | fPythia->SetMSTP(58, 3); |
| 51387949 |
432 | // Maximum number of flavors that can be used in showers |
| beac474c |
433 | fPythia->SetMSTJ(45, 3); |
| 51387949 |
434 | // Switch off g->QQbar splitting in decay table |
| 435 | ((AliDecayerPythia*) fDecayer)->HeavyFlavourOff(); |
| beac474c |
436 | } |
| fdea4387 |
437 | |
| 51387949 |
438 | fDecayer->Init(); |
| 439 | |
| 8d2cd130 |
440 | |
| 441 | // Parent and Children Selection |
| 442 | switch (fProcess) |
| 443 | { |
| 65f2626c |
444 | case kPyOldUEQ2ordered: |
| 445 | case kPyOldUEQ2ordered2: |
| 446 | case kPyOldPopcorn: |
| 447 | break; |
| 8d2cd130 |
448 | case kPyCharm: |
| 449 | case kPyCharmUnforced: |
| adf4d898 |
450 | case kPyCharmPbPbMNR: |
| aabc7187 |
451 | case kPyCharmpPbMNR: |
| e0e89f40 |
452 | case kPyCharmppMNR: |
| 453 | case kPyCharmppMNRwmi: |
| 64da86aa |
454 | case kPyCharmPWHG: |
| 8d2cd130 |
455 | fParentSelect[0] = 411; |
| 456 | fParentSelect[1] = 421; |
| 457 | fParentSelect[2] = 431; |
| 458 | fParentSelect[3] = 4122; |
| 9ccc3d0e |
459 | fParentSelect[4] = 4232; |
| 460 | fParentSelect[5] = 4132; |
| 461 | fParentSelect[6] = 4332; |
| 8d2cd130 |
462 | fFlavorSelect = 4; |
| 463 | break; |
| adf4d898 |
464 | case kPyD0PbPbMNR: |
| 465 | case kPyD0pPbMNR: |
| 466 | case kPyD0ppMNR: |
| 8d2cd130 |
467 | fParentSelect[0] = 421; |
| 468 | fFlavorSelect = 4; |
| 469 | break; |
| 90d7b703 |
470 | case kPyDPlusPbPbMNR: |
| 471 | case kPyDPluspPbMNR: |
| 472 | case kPyDPlusppMNR: |
| 473 | fParentSelect[0] = 411; |
| 474 | fFlavorSelect = 4; |
| 475 | break; |
| e0e89f40 |
476 | case kPyDPlusStrangePbPbMNR: |
| 477 | case kPyDPlusStrangepPbMNR: |
| 478 | case kPyDPlusStrangeppMNR: |
| 479 | fParentSelect[0] = 431; |
| 480 | fFlavorSelect = 4; |
| 481 | break; |
| 68504d42 |
482 | case kPyLambdacppMNR: |
| 483 | fParentSelect[0] = 4122; |
| 484 | fFlavorSelect = 4; |
| 485 | break; |
| 8d2cd130 |
486 | case kPyBeauty: |
| 9dfe63b3 |
487 | case kPyBeautyJets: |
| adf4d898 |
488 | case kPyBeautyPbPbMNR: |
| 489 | case kPyBeautypPbMNR: |
| 490 | case kPyBeautyppMNR: |
| e0e89f40 |
491 | case kPyBeautyppMNRwmi: |
| 64da86aa |
492 | case kPyBeautyPWHG: |
| 8d2cd130 |
493 | fParentSelect[0]= 511; |
| 494 | fParentSelect[1]= 521; |
| 495 | fParentSelect[2]= 531; |
| 496 | fParentSelect[3]= 5122; |
| 497 | fParentSelect[4]= 5132; |
| 498 | fParentSelect[5]= 5232; |
| 499 | fParentSelect[6]= 5332; |
| 500 | fFlavorSelect = 5; |
| 501 | break; |
| 502 | case kPyBeautyUnforced: |
| 503 | fParentSelect[0] = 511; |
| 504 | fParentSelect[1] = 521; |
| 505 | fParentSelect[2] = 531; |
| 506 | fParentSelect[3] = 5122; |
| 507 | fParentSelect[4] = 5132; |
| 508 | fParentSelect[5] = 5232; |
| 509 | fParentSelect[6] = 5332; |
| 510 | fFlavorSelect = 5; |
| 511 | break; |
| 512 | case kPyJpsiChi: |
| 513 | case kPyJpsi: |
| 514 | fParentSelect[0] = 443; |
| 515 | break; |
| f529e69b |
516 | case kPyMbDefault: |
| 0bd3d7c5 |
517 | case kPyMbAtlasTuneMC09: |
| 8d2cd130 |
518 | case kPyMb: |
| 04081a91 |
519 | case kPyMbWithDirectPhoton: |
| 8d2cd130 |
520 | case kPyMbNonDiffr: |
| d7de4a67 |
521 | case kPyMbMSEL1: |
| 8d2cd130 |
522 | case kPyJets: |
| 64da86aa |
523 | case kPyJetsPWHG: |
| 8d2cd130 |
524 | case kPyDirectGamma: |
| e33acb67 |
525 | case kPyLhwgMb: |
| 8d2cd130 |
526 | break; |
| e136a92a |
527 | case kPyWPWHG: /// !!!!!!!!!! Change done for W prod with POWHEG !!!!!!!!!! :) |
| 589380c6 |
528 | case kPyW: |
| 0f6ee828 |
529 | case kPyZ: |
| 9a8774a1 |
530 | case kPyMBRSingleDiffraction: |
| 531 | case kPyMBRDoubleDiffraction: |
| 532 | case kPyMBRCentralDiffraction: |
| 589380c6 |
533 | break; |
| 8d2cd130 |
534 | } |
| 535 | // |
| 592f8307 |
536 | // |
| 537 | // JetFinder for Trigger |
| 538 | // |
| 539 | // Configure detector (EMCAL like) |
| 540 | // |
| d7de4a67 |
541 | fPythia->SetPARU(51, fPycellEtaMax); |
| 542 | fPythia->SetMSTU(51, fPycellNEta); |
| 543 | fPythia->SetMSTU(52, fPycellNPhi); |
| 592f8307 |
544 | // |
| 545 | // Configure Jet Finder |
| 546 | // |
| d7de4a67 |
547 | fPythia->SetPARU(58, fPycellThreshold); |
| 548 | fPythia->SetPARU(52, fPycellEtSeed); |
| 549 | fPythia->SetPARU(53, fPycellMinEtJet); |
| 550 | fPythia->SetPARU(54, fPycellMaxRadius); |
| 551 | fPythia->SetMSTU(54, 2); |
| 592f8307 |
552 | // |
| 8d2cd130 |
553 | // This counts the total number of calls to Pyevnt() per run. |
| 554 | fTrialsRun = 0; |
| 555 | fQ = 0.; |
| 556 | fX1 = 0.; |
| 557 | fX2 = 0.; |
| 558 | fNev = 0 ; |
| 559 | // |
| 1d568bc2 |
560 | // |
| 561 | // |
| 8d2cd130 |
562 | AliGenMC::Init(); |
| fb355e51 |
563 | |
| 564 | // Reset Lorentz boost if demanded |
| 565 | if(!fUseLorentzBoost) { |
| 566 | fDyBoost = 0; |
| 567 | Warning("Init","Demand to discard Lorentz boost.\n"); |
| 568 | } |
| 1d568bc2 |
569 | // |
| 570 | // |
| 571 | // |
| 572 | if (fSetNuclei) { |
| fb355e51 |
573 | fDyBoost = 0; |
| 574 | Warning("Init","Deprecated function SetNuclei() used (nPDFs + no boost). Use SetProjectile + SetTarget + SetUseNuclearPDF + SetUseLorentzBoost instead.\n"); |
| 1d568bc2 |
575 | } |
| cd07c39b |
576 | fPythia->SetPARJ(200, 0.0); |
| 577 | fPythia->SetPARJ(199, 0.0); |
| 578 | fPythia->SetPARJ(198, 0.0); |
| 579 | fPythia->SetPARJ(197, 0.0); |
| 580 | |
| 581 | if (fQuench == 1) { |
| 5fa4b20b |
582 | fPythia->InitQuenching(0., 0.1, 0.6e6, 0); |
| 32d6ef7d |
583 | } |
| 3a709cfa |
584 | |
| 66b8652c |
585 | if(fQuench ==2){fPythia->SetPyquenParameters(fpyquenT,fpyquenTau,fpyquenNf,fpyquenEloss,fpyquenAngle);} |
| 586 | |
| b976f7d8 |
587 | if (fQuench == 3) { |
| 588 | // Nestor's change of the splittings |
| 589 | fPythia->SetPARJ(200, 0.8); |
| 590 | fPythia->SetMSTJ(41, 1); // QCD radiation only |
| 591 | fPythia->SetMSTJ(42, 2); // angular ordering |
| 592 | fPythia->SetMSTJ(44, 2); // option to run alpha_s |
| 593 | fPythia->SetMSTJ(47, 0); // No correction back to hard scattering element |
| 594 | fPythia->SetMSTJ(50, 0); // No coherence in first branching |
| 595 | fPythia->SetPARJ(82, 1.); // Cut off for parton showers |
| cd07c39b |
596 | } else if (fQuench == 4) { |
| 597 | // Armesto-Cunqueiro-Salgado change of the splittings. |
| 598 | AliFastGlauber* glauber = AliFastGlauber::Instance(); |
| 599 | glauber->Init(2); |
| 600 | //read and store transverse almonds corresponding to differnt |
| 601 | //impact parameters. |
| cd07c39b |
602 | glauber->SetCentralityClass(0.,0.1); |
| 603 | fPythia->SetPARJ(200, 1.); |
| 604 | fPythia->SetPARJ(198, fQhat); |
| 605 | fPythia->SetPARJ(199, fLength); |
| cd07c39b |
606 | fPythia->SetMSTJ(42, 2); // angular ordering |
| 607 | fPythia->SetMSTJ(44, 2); // option to run alpha_s |
| cd07c39b |
608 | fPythia->SetPARJ(82, 1.); // Cut off for parton showers |
| b976f7d8 |
609 | } |
| 8d2cd130 |
610 | } |
| 611 | |
| 612 | void AliGenPythia::Generate() |
| 613 | { |
| 614 | // Generate one event |
| 19ef8cf0 |
615 | if (!fPythia) fPythia=(AliPythia*) fMCEvGen; |
| 8d2cd130 |
616 | fDecayer->ForceDecay(); |
| 617 | |
| 13cca24a |
618 | Double_t polar[3] = {0,0,0}; |
| 619 | Double_t origin[3] = {0,0,0}; |
| 620 | Double_t p[4]; |
| 8d2cd130 |
621 | // converts from mm/c to s |
| 622 | const Float_t kconv=0.001/2.999792458e8; |
| 623 | // |
| 624 | Int_t nt=0; |
| 625 | Int_t jev=0; |
| 626 | Int_t j, kf; |
| 627 | fTrials=0; |
| f913ec4f |
628 | fEventTime = 0.; |
| 629 | |
| 2590ccf9 |
630 | |
| 8d2cd130 |
631 | |
| 632 | // Set collision vertex position |
| 2590ccf9 |
633 | if (fVertexSmear == kPerEvent) Vertex(); |
| 634 | |
| 8d2cd130 |
635 | // event loop |
| 636 | while(1) |
| 637 | { |
| 32d6ef7d |
638 | // |
| 5fa4b20b |
639 | // Produce event |
| 32d6ef7d |
640 | // |
| 32d6ef7d |
641 | // |
| 5fa4b20b |
642 | // Switch hadronisation off |
| 643 | // |
| 644 | fPythia->SetMSTJ(1, 0); |
| cd07c39b |
645 | |
| 646 | if (fQuench ==4){ |
| 647 | Double_t bimp; |
| 648 | // Quenching comes through medium-modified splitting functions. |
| 649 | AliFastGlauber::Instance()->GetRandomBHard(bimp); |
| e6fe9b82 |
650 | fPythia->SetPARJ(197, bimp); |
| 651 | fImpact = bimp; |
| 6c43eccb |
652 | fPythia->Qpygin0(); |
| cd07c39b |
653 | } |
| 32d6ef7d |
654 | // |
| 5fa4b20b |
655 | // Either produce new event or read partons from file |
| 656 | // |
| 657 | if (!fReadFromFile) { |
| beac474c |
658 | if (!fNewMIS) { |
| 659 | fPythia->Pyevnt(); |
| 660 | } else { |
| 661 | fPythia->Pyevnw(); |
| 662 | } |
| 5fa4b20b |
663 | fNpartons = fPythia->GetN(); |
| 664 | } else { |
| 33c3c91a |
665 | printf("Loading Event %d\n",AliRunLoader::Instance()->GetEventNumber()); |
| 666 | fRL->GetEvent(AliRunLoader::Instance()->GetEventNumber()); |
| 5fa4b20b |
667 | fPythia->SetN(0); |
| 668 | LoadEvent(fRL->Stack(), 0 , 1); |
| 669 | fPythia->Pyedit(21); |
| 670 | } |
| 671 | |
| 32d6ef7d |
672 | // |
| 673 | // Run quenching routine |
| 674 | // |
| 5fa4b20b |
675 | if (fQuench == 1) { |
| 676 | fPythia->Quench(); |
| 677 | } else if (fQuench == 2){ |
| 678 | fPythia->Pyquen(208., 0, 0.); |
| b976f7d8 |
679 | } else if (fQuench == 3) { |
| 680 | // Quenching is via multiplicative correction of the splittings |
| 5fa4b20b |
681 | } |
| b976f7d8 |
682 | |
| 32d6ef7d |
683 | // |
| 5fa4b20b |
684 | // Switch hadronisation on |
| 32d6ef7d |
685 | // |
| 20e47f08 |
686 | if (fHadronisation) { |
| 687 | fPythia->SetMSTJ(1, 1); |
| 5fa4b20b |
688 | // |
| 689 | // .. and perform hadronisation |
| aea21c57 |
690 | // printf("Calling hadronisation %d\n", fPythia->GetN()); |
| 03358a32 |
691 | |
| 692 | if (fPatchOmegaDalitz) { |
| 693 | fPythia->SetMDCY(fPythia->Pycomp(111) ,1, 0); |
| 694 | fPythia->Pyexec(); |
| 695 | fPythia->DalitzDecays(); |
| 696 | fPythia->SetMDCY(fPythia->Pycomp(111) ,1, 1); |
| 697 | } |
| 698 | fPythia->Pyexec(); |
| 20e47f08 |
699 | } |
| 8d2cd130 |
700 | fTrials++; |
| 8507138f |
701 | fPythia->ImportParticles(&fParticles,"All"); |
| 03358a32 |
702 | |
| df275cfa |
703 | if (TMath::Abs(fDyBoost) > 1.e-4) Boost(); |
| e1cf8975 |
704 | if(TMath::Abs(fXingAngleY) > 1.e-10) BeamCrossAngle(); |
| f64640b5 |
705 | |
| 8d2cd130 |
706 | // |
| 707 | // |
| 708 | // |
| 709 | Int_t i; |
| 710 | |
| dbd64db6 |
711 | fNprimaries = 0; |
| 8507138f |
712 | Int_t np = fParticles.GetEntriesFast(); |
| 5fa4b20b |
713 | |
| 7c21f297 |
714 | if (np == 0) continue; |
| 8d2cd130 |
715 | // |
| 2590ccf9 |
716 | |
| 8d2cd130 |
717 | // |
| 718 | Int_t* pParent = new Int_t[np]; |
| 719 | Int_t* pSelected = new Int_t[np]; |
| 720 | Int_t* trackIt = new Int_t[np]; |
| 5fa4b20b |
721 | for (i = 0; i < np; i++) { |
| 8d2cd130 |
722 | pParent[i] = -1; |
| 723 | pSelected[i] = 0; |
| 724 | trackIt[i] = 0; |
| 725 | } |
| 726 | |
| 727 | Int_t nc = 0; // Total n. of selected particles |
| 728 | Int_t nParents = 0; // Selected parents |
| 729 | Int_t nTkbles = 0; // Trackable particles |
| f529e69b |
730 | if (fProcess != kPyMbDefault && |
| 731 | fProcess != kPyMb && |
| 6d2ec66d |
732 | fProcess != kPyMbAtlasTuneMC09 && |
| 04081a91 |
733 | fProcess != kPyMbWithDirectPhoton && |
| f529e69b |
734 | fProcess != kPyJets && |
| 8d2cd130 |
735 | fProcess != kPyDirectGamma && |
| 589380c6 |
736 | fProcess != kPyMbNonDiffr && |
| d7de4a67 |
737 | fProcess != kPyMbMSEL1 && |
| f529e69b |
738 | fProcess != kPyW && |
| 739 | fProcess != kPyZ && |
| 740 | fProcess != kPyCharmppMNRwmi && |
| 9dfe63b3 |
741 | fProcess != kPyBeautyppMNRwmi && |
| 64da86aa |
742 | fProcess != kPyBeautyJets && |
| e136a92a |
743 | fProcess != kPyWPWHG && /// !!!!!!!!!!!!!!!!! Change done for W with POHWEG !!!!!!!!!!!!!!!!!!! :) |
| 64da86aa |
744 | fProcess != kPyJetsPWHG && |
| 745 | fProcess != kPyCharmPWHG && |
| 746 | fProcess != kPyBeautyPWHG) { |
| 8d2cd130 |
747 | |
| 5fa4b20b |
748 | for (i = 0; i < np; i++) { |
| 8507138f |
749 | TParticle* iparticle = (TParticle *) fParticles.At(i); |
| 8d2cd130 |
750 | Int_t ks = iparticle->GetStatusCode(); |
| 751 | kf = CheckPDGCode(iparticle->GetPdgCode()); |
| 752 | // No initial state partons |
| 753 | if (ks==21) continue; |
| 754 | // |
| 755 | // Heavy Flavor Selection |
| 756 | // |
| 757 | // quark ? |
| 758 | kf = TMath::Abs(kf); |
| 759 | Int_t kfl = kf; |
| 9ff6c04c |
760 | // Resonance |
| f913ec4f |
761 | |
| 9ff6c04c |
762 | if (kfl > 100000) kfl %= 100000; |
| 183a5ca9 |
763 | if (kfl > 10000) kfl %= 10000; |
| 8d2cd130 |
764 | // meson ? |
| 765 | if (kfl > 10) kfl/=100; |
| 766 | // baryon |
| 767 | if (kfl > 10) kfl/=10; |
| 8d2cd130 |
768 | Int_t ipa = iparticle->GetFirstMother()-1; |
| 769 | Int_t kfMo = 0; |
| f913ec4f |
770 | // |
| 771 | // Establish mother daughter relation between heavy quarks and mesons |
| 772 | // |
| 773 | if (kf >= fFlavorSelect && kf <= 6) { |
| 774 | Int_t idau = iparticle->GetFirstDaughter() - 1; |
| 775 | if (idau > -1) { |
| 8507138f |
776 | TParticle* daughter = (TParticle *) fParticles.At(idau); |
| f913ec4f |
777 | Int_t pdgD = daughter->GetPdgCode(); |
| 778 | if (pdgD == 91 || pdgD == 92) { |
| 779 | Int_t jmin = daughter->GetFirstDaughter() - 1; |
| 780 | Int_t jmax = daughter->GetLastDaughter() - 1; |
| 2ab330c9 |
781 | for (Int_t jp = jmin; jp <= jmax; jp++) |
| 782 | ((TParticle *) fParticles.At(jp))->SetFirstMother(i+1); |
| f913ec4f |
783 | } // is string or cluster |
| 784 | } // has daughter |
| 785 | } // heavy quark |
| 8d2cd130 |
786 | |
| f913ec4f |
787 | |
| 8d2cd130 |
788 | if (ipa > -1) { |
| 8507138f |
789 | TParticle * mother = (TParticle *) fParticles.At(ipa); |
| 8d2cd130 |
790 | kfMo = TMath::Abs(mother->GetPdgCode()); |
| 791 | } |
| f913ec4f |
792 | |
| 8d2cd130 |
793 | // What to keep in Stack? |
| 794 | Bool_t flavorOK = kFALSE; |
| 795 | Bool_t selectOK = kFALSE; |
| 796 | if (fFeedDownOpt) { |
| 32d6ef7d |
797 | if (kfl >= fFlavorSelect) flavorOK = kTRUE; |
| 8d2cd130 |
798 | } else { |
| 32d6ef7d |
799 | if (kfl > fFlavorSelect) { |
| 800 | nc = -1; |
| 801 | break; |
| 802 | } |
| 803 | if (kfl == fFlavorSelect) flavorOK = kTRUE; |
| 8d2cd130 |
804 | } |
| 805 | switch (fStackFillOpt) { |
| 06956108 |
806 | case kHeavyFlavor: |
| 8d2cd130 |
807 | case kFlavorSelection: |
| 32d6ef7d |
808 | selectOK = kTRUE; |
| 809 | break; |
| 8d2cd130 |
810 | case kParentSelection: |
| 32d6ef7d |
811 | if (ParentSelected(kf) || kf <= 10) selectOK = kTRUE; |
| 812 | break; |
| 8d2cd130 |
813 | } |
| 814 | if (flavorOK && selectOK) { |
| 815 | // |
| 816 | // Heavy flavor hadron or quark |
| 817 | // |
| 818 | // Kinematic seletion on final state heavy flavor mesons |
| 819 | if (ParentSelected(kf) && !KinematicSelection(iparticle, 0)) |
| 820 | { |
| 9ff6c04c |
821 | continue; |
| 8d2cd130 |
822 | } |
| 823 | pSelected[i] = 1; |
| 824 | if (ParentSelected(kf)) ++nParents; // Update parent count |
| 825 | // printf("\n particle (HF) %d %d %d", i, pSelected[i], kf); |
| 826 | } else { |
| 827 | // Kinematic seletion on decay products |
| 828 | if (fCutOnChild && ParentSelected(kfMo) && ChildSelected(kf) |
| 9ff6c04c |
829 | && !KinematicSelection(iparticle, 1)) |
| 8d2cd130 |
830 | { |
| 9ff6c04c |
831 | continue; |
| 8d2cd130 |
832 | } |
| 833 | // |
| 834 | // Decay products |
| 835 | // Select if mother was selected and is not tracked |
| 836 | |
| 837 | if (pSelected[ipa] && |
| 838 | !trackIt[ipa] && // mother will be tracked ? |
| 839 | kfMo != 5 && // mother is b-quark, don't store fragments |
| 840 | kfMo != 4 && // mother is c-quark, don't store fragments |
| 841 | kf != 92) // don't store string |
| 842 | { |
| 843 | // |
| 844 | // Semi-stable or de-selected: diselect decay products: |
| 845 | // |
| 846 | // |
| 847 | if (pSelected[i] == -1 || fDecayer->GetLifetime(kf) > fMaxLifeTime) |
| 848 | { |
| 849 | Int_t ipF = iparticle->GetFirstDaughter(); |
| 850 | Int_t ipL = iparticle->GetLastDaughter(); |
| 851 | if (ipF > 0) for (j = ipF-1; j < ipL; j++) pSelected[j] = -1; |
| 852 | } |
| 853 | // printf("\n particle (decay) %d %d %d", i, pSelected[i], kf); |
| 854 | pSelected[i] = (pSelected[i] == -1) ? 0 : 1; |
| 855 | } |
| 856 | } |
| 857 | if (pSelected[i] == -1) pSelected[i] = 0; |
| 858 | if (!pSelected[i]) continue; |
| 859 | // Count quarks only if you did not include fragmentation |
| 860 | if (fFragmentation && kf <= 10) continue; |
| 9ff6c04c |
861 | |
| 8d2cd130 |
862 | nc++; |
| 863 | // Decision on tracking |
| 864 | trackIt[i] = 0; |
| 865 | // |
| 866 | // Track final state particle |
| 867 | if (ks == 1) trackIt[i] = 1; |
| 868 | // Track semi-stable particles |
| d25cfd65 |
869 | if ((ks == 1) || (fDecayer->GetLifetime(kf) > fMaxLifeTime)) trackIt[i] = 1; |
| 8d2cd130 |
870 | // Track particles selected by process if undecayed. |
| 871 | if (fForceDecay == kNoDecay) { |
| 872 | if (ParentSelected(kf)) trackIt[i] = 1; |
| 873 | } else { |
| 874 | if (ParentSelected(kf)) trackIt[i] = 0; |
| 875 | } |
| 876 | if (trackIt[i] == 1) ++nTkbles; // Update trackable counter |
| 877 | // |
| 878 | // |
| 879 | |
| 880 | } // particle selection loop |
| 881 | if (nc > 0) { |
| 882 | for (i = 0; i<np; i++) { |
| 883 | if (!pSelected[i]) continue; |
| 8507138f |
884 | TParticle * iparticle = (TParticle *) fParticles.At(i); |
| 8d2cd130 |
885 | kf = CheckPDGCode(iparticle->GetPdgCode()); |
| 886 | Int_t ks = iparticle->GetStatusCode(); |
| 887 | p[0] = iparticle->Px(); |
| 888 | p[1] = iparticle->Py(); |
| 889 | p[2] = iparticle->Pz(); |
| a920faf9 |
890 | p[3] = iparticle->Energy(); |
| 891 | |
| 2590ccf9 |
892 | origin[0] = fVertex[0]+iparticle->Vx()/10; // [cm] |
| 893 | origin[1] = fVertex[1]+iparticle->Vy()/10; // [cm] |
| 894 | origin[2] = fVertex[2]+iparticle->Vz()/10; // [cm] |
| 895 | |
| 21391258 |
896 | Float_t tof = fTime + kconv*iparticle->T(); |
| 8d2cd130 |
897 | Int_t ipa = iparticle->GetFirstMother()-1; |
| 898 | Int_t iparent = (ipa > -1) ? pParent[ipa] : -1; |
| a920faf9 |
899 | |
| 900 | PushTrack(fTrackIt*trackIt[i], iparent, kf, |
| 901 | p[0], p[1], p[2], p[3], |
| 902 | origin[0], origin[1], origin[2], tof, |
| 903 | polar[0], polar[1], polar[2], |
| 904 | kPPrimary, nt, 1., ks); |
| 8d2cd130 |
905 | pParent[i] = nt; |
| dbd64db6 |
906 | KeepTrack(nt); |
| 907 | fNprimaries++; |
| 642f15cf |
908 | } // PushTrack loop |
| 8d2cd130 |
909 | } |
| 910 | } else { |
| 911 | nc = GenerateMB(); |
| 912 | } // mb ? |
| f913ec4f |
913 | |
| 914 | GetSubEventTime(); |
| 8d2cd130 |
915 | |
| 234f6d32 |
916 | delete[] pParent; |
| 917 | delete[] pSelected; |
| 918 | delete[] trackIt; |
| 8d2cd130 |
919 | |
| 920 | if (nc > 0) { |
| 921 | switch (fCountMode) { |
| 922 | case kCountAll: |
| 923 | // printf(" Count all \n"); |
| 924 | jev += nc; |
| 925 | break; |
| 926 | case kCountParents: |
| 927 | // printf(" Count parents \n"); |
| 928 | jev += nParents; |
| 929 | break; |
| 930 | case kCountTrackables: |
| 931 | // printf(" Count trackable \n"); |
| 932 | jev += nTkbles; |
| 933 | break; |
| 934 | } |
| 935 | if (jev >= fNpart || fNpart == -1) { |
| 936 | fKineBias=Float_t(fNpart)/Float_t(fTrials); |
| e0e89f40 |
937 | |
| 8d2cd130 |
938 | fQ += fPythia->GetVINT(51); |
| 939 | fX1 += fPythia->GetVINT(41); |
| 940 | fX2 += fPythia->GetVINT(42); |
| 941 | fTrialsRun += fTrials; |
| 942 | fNev++; |
| 943 | MakeHeader(); |
| 944 | break; |
| 945 | } |
| 946 | } |
| 947 | } // event loop |
| 948 | SetHighWaterMark(nt); |
| 949 | // adjust weight due to kinematic selection |
| b88f5cea |
950 | // AdjustWeights(); |
| 8d2cd130 |
951 | // get cross-section |
| 952 | fXsection=fPythia->GetPARI(1); |
| 953 | } |
| 954 | |
| 955 | Int_t AliGenPythia::GenerateMB() |
| 956 | { |
| 957 | // |
| 958 | // Min Bias selection and other global selections |
| 959 | // |
| 960 | Int_t i, kf, nt, iparent; |
| 961 | Int_t nc = 0; |
| 13cca24a |
962 | Double_t p[4]; |
| 963 | Double_t polar[3] = {0,0,0}; |
| 964 | Double_t origin[3] = {0,0,0}; |
| 8d2cd130 |
965 | // converts from mm/c to s |
| 966 | const Float_t kconv=0.001/2.999792458e8; |
| 967 | |
| e0e89f40 |
968 | |
| 8507138f |
969 | Int_t np = (fHadronisation) ? fParticles.GetEntriesFast() : fNpartons; |
| aea21c57 |
970 | |
| 5fa4b20b |
971 | |
| e0e89f40 |
972 | |
| 8d2cd130 |
973 | Int_t* pParent = new Int_t[np]; |
| 974 | for (i=0; i< np; i++) pParent[i] = -1; |
| 64da86aa |
975 | if ((fProcess == kPyJets || fProcess == kPyDirectGamma || fProcess == kPyBeautyJets || fProcess == kPyBeautyppMNRwmi || fProcess == kPyJetsPWHG || fProcess == kPyCharmPWHG || fProcess == kPyBeautyPWHG) |
| 0e9e66f0 |
976 | && fEtMinJet > 0.) { |
| bed3df2c |
977 | TParticle* jet1 = (TParticle *) fParticles.At(6); |
| 8507138f |
978 | TParticle* jet2 = (TParticle *) fParticles.At(7); |
| bed3df2c |
979 | |
| 980 | if (!jet1 || ! jet2 || !CheckTrigger(jet1, jet2)) { |
| 234f6d32 |
981 | delete [] pParent; |
| 982 | return 0; |
| 983 | } |
| 8d2cd130 |
984 | } |
| e0e89f40 |
985 | |
| 40fe59d4 |
986 | |
| 987 | // Select events with fragmentation photon, decay photon, pi0, eta or other hadrons going to PHOS or EMCAL or central barrel, |
| ac01c7c6 |
988 | // implemented primaryly for kPyJets, but extended to any kind of process. |
| 40fe59d4 |
989 | if ((fFragPhotonInCalo || fPi0InCalo || fEtaInCalo || fEleInCalo || fHadronInCalo || fDecayPhotonInCalo) && |
| 990 | (fCheckPHOS || fCheckEMCAL || fCheckBarrel) ) { |
| 991 | Bool_t ok = TriggerOnSelectedParticles(np); |
| 43e3b80a |
992 | |
| 993 | if(!ok) { |
| 994 | delete[] pParent; |
| 995 | return 0; |
| ec2c406e |
996 | } |
| 43e3b80a |
997 | } |
| 9dfe63b3 |
998 | |
| 800be8b7 |
999 | // Check for diffraction |
| 1000 | if(fkTuneForDiff) { |
| c5dfa3e4 |
1001 | if(fItune==320 && ( (TMath::Abs(fEnergyCMS - 900) < 1) || (TMath::Abs(fEnergyCMS - 2760) < 1) || (TMath::Abs(fEnergyCMS - 7000) < 1)) ) { |
| 800be8b7 |
1002 | if(!CheckDiffraction()) { |
| 1003 | delete [] pParent; |
| 1004 | return 0; |
| 1005 | } |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 700b9416 |
1009 | // Check for minimum multiplicity |
| 1010 | if (fTriggerMultiplicity > 0) { |
| 1011 | Int_t multiplicity = 0; |
| 1012 | for (i = 0; i < np; i++) { |
| 8507138f |
1013 | TParticle * iparticle = (TParticle *) fParticles.At(i); |
| 700b9416 |
1014 | |
| 1015 | Int_t statusCode = iparticle->GetStatusCode(); |
| 1016 | |
| 1017 | // Initial state particle |
| e296848e |
1018 | if (statusCode != 1) |
| 700b9416 |
1019 | continue; |
| 38112f3f |
1020 | // eta cut |
| 700b9416 |
1021 | if (fTriggerMultiplicityEta > 0 && TMath::Abs(iparticle->Eta()) > fTriggerMultiplicityEta) |
| 1022 | continue; |
| 38112f3f |
1023 | // pt cut |
| 1024 | if (iparticle->Pt() < fTriggerMultiplicityPtMin) |
| 1025 | continue; |
| 1026 | |
| 700b9416 |
1027 | TParticlePDG* pdgPart = iparticle->GetPDG(); |
| 1028 | if (pdgPart && pdgPart->Charge() == 0) |
| 1029 | continue; |
| 1030 | |
| 1031 | ++multiplicity; |
| 1032 | } |
| 1033 | |
| 1034 | if (multiplicity < fTriggerMultiplicity) { |
| 1035 | delete [] pParent; |
| 1036 | return 0; |
| 1037 | } |
| 38112f3f |
1038 | Printf("Triggered on event with multiplicity of %d >= %d", multiplicity, fTriggerMultiplicity); |
| 700b9416 |
1039 | } |
| 90a236ce |
1040 | |
| 90a236ce |
1041 | |
| 7ce1321b |
1042 | if (fTriggerParticle) { |
| 1043 | Bool_t triggered = kFALSE; |
| 1044 | for (i = 0; i < np; i++) { |
| 8507138f |
1045 | TParticle * iparticle = (TParticle *) fParticles.At(i); |
| 7ce1321b |
1046 | kf = CheckPDGCode(iparticle->GetPdgCode()); |
| 38db0ee6 |
1047 | if (kf != fTriggerParticle) continue; |
| 7ce1321b |
1048 | if (iparticle->Pt() == 0.) continue; |
| 1049 | if (TMath::Abs(iparticle->Eta()) > fTriggerEta) continue; |
| 2591bd0e |
1050 | if ( iparticle->Pt() > fTriggerMaxPt || iparticle->Pt() < fTriggerMinPt ) continue; |
| 7ce1321b |
1051 | triggered = kTRUE; |
| 1052 | break; |
| 1053 | } |
| 234f6d32 |
1054 | if (!triggered) { |
| 1055 | delete [] pParent; |
| 1056 | return 0; |
| 1057 | } |
| 7ce1321b |
1058 | } |
| e0e89f40 |
1059 | |
| 1060 | |
| 1061 | // Check if there is a ccbar or bbbar pair with at least one of the two |
| 1062 | // in fYMin < y < fYMax |
| 2f405d65 |
1063 | |
| 9dfe63b3 |
1064 | if (fProcess == kPyCharmppMNRwmi || fProcess == kPyBeautyppMNRwmi || fProcess == kPyBeautyJets) { |
| 9ccc3d0e |
1065 | TParticle *partCheck; |
| 1066 | TParticle *mother; |
| e0e89f40 |
1067 | Bool_t theQ=kFALSE,theQbar=kFALSE,inYcut=kFALSE; |
| 9ccc3d0e |
1068 | Bool_t theChild=kFALSE; |
| 5d76923e |
1069 | Bool_t triggered=kFALSE; |
| 9ccc3d0e |
1070 | Float_t y; |
| 1071 | Int_t pdg,mpdg,mpdgUpperFamily; |
| e0e89f40 |
1072 | for(i=0; i<np; i++) { |
| 9ccc3d0e |
1073 | partCheck = (TParticle*)fParticles.At(i); |
| 1074 | pdg = partCheck->GetPdgCode(); |
| 1075 | if(TMath::Abs(pdg) == fFlavorSelect) { // quark |
| 1076 | if(pdg>0) { theQ=kTRUE; } else { theQbar=kTRUE; } |
| 1077 | y = 0.5*TMath::Log((partCheck->Energy()+partCheck->Pz()+1.e-13)/ |
| 1078 | (partCheck->Energy()-partCheck->Pz()+1.e-13)); |
| 1079 | if(y>fYMin && y<fYMax) inYcut=kTRUE; |
| 1080 | } |
| 5d76923e |
1081 | if(fTriggerParticle) { |
| 1082 | if(TMath::Abs(pdg)==fTriggerParticle) triggered=kTRUE; |
| 1083 | } |
| 9ccc3d0e |
1084 | if(fCutOnChild && TMath::Abs(pdg) == fPdgCodeParticleforAcceptanceCut) { |
| 1085 | Int_t mi = partCheck->GetFirstMother() - 1; |
| 1086 | if(mi<0) continue; |
| 1087 | mother = (TParticle*)fParticles.At(mi); |
| 1088 | mpdg=TMath::Abs(mother->GetPdgCode()); |
| 75fde694 |
1089 | mpdgUpperFamily=(mpdg>1000 ? mpdg+1000 : mpdg+100); // keep e from c from b |
| 9ccc3d0e |
1090 | if ( ParentSelected(mpdg) || |
| 1091 | (fFlavorSelect==5 && ParentSelected(mpdgUpperFamily))) { |
| 1092 | if (KinematicSelection(partCheck,1)) { |
| 1093 | theChild=kTRUE; |
| 1094 | } |
| 1095 | } |
| 1096 | } |
| e0e89f40 |
1097 | } |
| 9ccc3d0e |
1098 | if (!theQ || !theQbar || !inYcut) { // one of the c/b conditions not satisfied |
| 234f6d32 |
1099 | delete[] pParent; |
| e0e89f40 |
1100 | return 0; |
| 1101 | } |
| 9ccc3d0e |
1102 | if (fCutOnChild && !theChild) { // one of the child conditions not satisfied |
| 1103 | delete[] pParent; |
| 1104 | return 0; |
| 1105 | } |
| 5d76923e |
1106 | if(fTriggerParticle && !triggered) { // particle requested is not produced |
| 1107 | delete[] pParent; |
| 1108 | return 0; |
| 1109 | } |
| 9ccc3d0e |
1110 | |
| e0e89f40 |
1111 | } |
| aea21c57 |
1112 | |
| 0f6ee828 |
1113 | //Introducing child cuts in case kPyW, kPyZ, kPyMb, and kPyMbNonDiff |
| e136a92a |
1114 | if ( ( |
| 1115 | fProcess == kPyWPWHG || /// !!!!!!!!!!!!!!!! Added for W with POWHEG !!!!!!!!!! :) |
| 1116 | fProcess == kPyW || |
| f529e69b |
1117 | fProcess == kPyZ || |
| 1118 | fProcess == kPyMbDefault || |
| 1119 | fProcess == kPyMb || |
| 6d2ec66d |
1120 | fProcess == kPyMbAtlasTuneMC09 || |
| 04081a91 |
1121 | fProcess == kPyMbWithDirectPhoton || |
| f529e69b |
1122 | fProcess == kPyMbNonDiffr) |
| 0f6ee828 |
1123 | && (fCutOnChild == 1) ) { |
| 1124 | if ( !CheckKinematicsOnChild() ) { |
| 234f6d32 |
1125 | delete[] pParent; |
| 0f6ee828 |
1126 | return 0; |
| 1127 | } |
| aea21c57 |
1128 | } |
| 1129 | |
| 1130 | |
| f913ec4f |
1131 | for (i = 0; i < np; i++) { |
| 8d2cd130 |
1132 | Int_t trackIt = 0; |
| 8507138f |
1133 | TParticle * iparticle = (TParticle *) fParticles.At(i); |
| 8d2cd130 |
1134 | kf = CheckPDGCode(iparticle->GetPdgCode()); |
| 1135 | Int_t ks = iparticle->GetStatusCode(); |
| 1136 | Int_t km = iparticle->GetFirstMother(); |
| 06956108 |
1137 | if ( |
| 1138 | (((ks == 1 && kf!=0 && KinematicSelection(iparticle, 0)) || (ks !=1)) && ((fStackFillOpt != kHeavyFlavor) || IsFromHeavyFlavor(i))) || |
| 64da86aa |
1139 | ((fProcess == kPyJets || fProcess == kPyBeautyJets || fProcess == kPyJetsPWHG || fProcess == kPyCharmPWHG || fProcess == kPyBeautyPWHG) && ks == 21 && km == 0 && i>1) |
| 06956108 |
1140 | ) |
| 1141 | { |
| 1142 | nc++; |
| 8d2cd130 |
1143 | if (ks == 1) trackIt = 1; |
| 1144 | Int_t ipa = iparticle->GetFirstMother()-1; |
| 1145 | |
| 1146 | iparent = (ipa > -1) ? pParent[ipa] : -1; |
| 1147 | |
| 1148 | // |
| 1149 | // store track information |
| 1150 | p[0] = iparticle->Px(); |
| 1151 | p[1] = iparticle->Py(); |
| 1152 | p[2] = iparticle->Pz(); |
| a920faf9 |
1153 | p[3] = iparticle->Energy(); |
| 1406f599 |
1154 | |
| a920faf9 |
1155 | |
| 2590ccf9 |
1156 | origin[0] = fVertex[0]+iparticle->Vx()/10; // [cm] |
| 1157 | origin[1] = fVertex[1]+iparticle->Vy()/10; // [cm] |
| 1158 | origin[2] = fVertex[2]+iparticle->Vz()/10; // [cm] |
| 1159 | |
| 21391258 |
1160 | Float_t tof = fTime + fEventTime + kconv * iparticle->T(); |
| a920faf9 |
1161 | |
| 1162 | PushTrack(fTrackIt*trackIt, iparent, kf, |
| 1163 | p[0], p[1], p[2], p[3], |
| 1164 | origin[0], origin[1], origin[2], tof, |
| 1165 | polar[0], polar[1], polar[2], |
| 1166 | kPPrimary, nt, 1., ks); |
| dbd64db6 |
1167 | fNprimaries++; |
| 8d2cd130 |
1168 | KeepTrack(nt); |
| 1169 | pParent[i] = nt; |
| f913ec4f |
1170 | SetHighWaterMark(nt); |
| 1171 | |
| 8d2cd130 |
1172 | } // select particle |
| 1173 | } // particle loop |
| 1174 | |
| 234f6d32 |
1175 | delete[] pParent; |
| e0e89f40 |
1176 | |
| f913ec4f |
1177 | return 1; |
| 8d2cd130 |
1178 | } |
| 1179 | |
| 1180 | |
| 1181 | void AliGenPythia::FinishRun() |
| 1182 | { |
| 1183 | // Print x-section summary |
| 1184 | fPythia->Pystat(1); |
| 2779fc64 |
1185 | |
| 1186 | if (fNev > 0.) { |
| 1187 | fQ /= fNev; |
| 1188 | fX1 /= fNev; |
| 1189 | fX2 /= fNev; |
| 1190 | } |
| 1191 | |
| 8d2cd130 |
1192 | printf("\nTotal number of Pyevnt() calls %d\n", fTrialsRun); |
| 1193 | printf("\nMean Q, x1, x2: %f %f %f\n", fQ, fX1, fX2); |
| 8d2cd130 |
1194 | } |
| 1195 | |
| 7184e472 |
1196 | void AliGenPythia::AdjustWeights() const |
| 8d2cd130 |
1197 | { |
| 1198 | // Adjust the weights after generation of all events |
| 1199 | // |
| e2bddf81 |
1200 | if (gAlice) { |
| 1201 | TParticle *part; |
| 1202 | Int_t ntrack=gAlice->GetMCApp()->GetNtrack(); |
| 1203 | for (Int_t i=0; i<ntrack; i++) { |
| 1204 | part= gAlice->GetMCApp()->Particle(i); |
| 1205 | part->SetWeight(part->GetWeight()*fKineBias); |
| 1206 | } |
| 8d2cd130 |
1207 | } |
| 1208 | } |
| 1209 | |
| 20e47f08 |
1210 | void AliGenPythia::SetNuclei(Int_t a1, Int_t a2, Int_t pdfset) |
| 8d2cd130 |
1211 | { |
| 1212 | // Treat protons as inside nuclei with mass numbers a1 and a2 |
| 1d568bc2 |
1213 | |
| fb355e51 |
1214 | fAProjectile = a1; |
| 1215 | fATarget = a2; |
| 1216 | fNucPdf = pdfset; // 0 EKS98 9 EPS09LO 19 EPS09NLO |
| 1217 | fUseNuclearPDF = kTRUE; |
| 1218 | fSetNuclei = kTRUE; |
| 8d2cd130 |
1219 | } |
| 1220 | |
| 1221 | |
| 1222 | void AliGenPythia::MakeHeader() |
| 1223 | { |
| 7184e472 |
1224 | // |
| 1225 | // Make header for the simulated event |
| 1226 | // |
| 183a5ca9 |
1227 | if (gAlice) { |
| 1228 | if (gAlice->GetEvNumber()>=fDebugEventFirst && |
| f913ec4f |
1229 | gAlice->GetEvNumber()<=fDebugEventLast) fPythia->Pylist(2); |
| 183a5ca9 |
1230 | } |
| 1231 | |
| 8d2cd130 |
1232 | // Builds the event header, to be called after each event |
| e5c87a3d |
1233 | if (fHeader) delete fHeader; |
| 1234 | fHeader = new AliGenPythiaEventHeader("Pythia"); |
| 8d2cd130 |
1235 | // |
| 1236 | // Event type |
| 800be8b7 |
1237 | if(fProcDiff>0){ |
| 1238 | // if(fProcDiff == 92 || fProcDiff == 93) printf("\n\n\n\n\n"); |
| 1239 | // printf("fPythia->GetMSTI(1) = %d fProcDiff = %d\n",fPythia->GetMSTI(1), fProcDiff); |
| 1240 | ((AliGenPythiaEventHeader*) fHeader)->SetProcessType(fProcDiff); |
| 1241 | } |
| 1242 | else |
| e5c87a3d |
1243 | ((AliGenPythiaEventHeader*) fHeader)->SetProcessType(fPythia->GetMSTI(1)); |
| 8d2cd130 |
1244 | // |
| 1245 | // Number of trials |
| e5c87a3d |
1246 | ((AliGenPythiaEventHeader*) fHeader)->SetTrials(fTrials); |
| 8d2cd130 |
1247 | // |
| 1248 | // Event Vertex |
| d25cfd65 |
1249 | fHeader->SetPrimaryVertex(fVertex); |
| 21391258 |
1250 | fHeader->SetInteractionTime(fTime+fEventTime); |
| dbd64db6 |
1251 | // |
| 1252 | // Number of primaries |
| 1253 | fHeader->SetNProduced(fNprimaries); |
| 8d2cd130 |
1254 | // |
| 1255 | // Jets that have triggered |
| f913ec4f |
1256 | |
| 9dfe63b3 |
1257 | //Need to store jets for b-jet studies too! |
| 64da86aa |
1258 | if (fProcess == kPyJets || fProcess == kPyDirectGamma || fProcess == kPyBeautyJets || fProcess == kPyBeautyppMNRwmi || fProcess == kPyJetsPWHG || fProcess == kPyCharmPWHG || fProcess == kPyBeautyPWHG) |
| 8d2cd130 |
1259 | { |
| 1260 | Int_t ntrig, njet; |
| 1261 | Float_t jets[4][10]; |
| 1262 | GetJets(njet, ntrig, jets); |
| 9ff6c04c |
1263 | |
| 8d2cd130 |
1264 | |
| 1265 | for (Int_t i = 0; i < ntrig; i++) { |
| e5c87a3d |
1266 | ((AliGenPythiaEventHeader*) fHeader)->AddJet(jets[0][i], jets[1][i], jets[2][i], |
| 8d2cd130 |
1267 | jets[3][i]); |
| 1268 | } |
| 1269 | } |
| 5fa4b20b |
1270 | // |
| 1271 | // Copy relevant information from external header, if present. |
| 1272 | // |
| 1273 | Float_t uqJet[4]; |
| 1274 | |
| 1275 | if (fRL) { |
| 1276 | AliGenPythiaEventHeader* exHeader = (AliGenPythiaEventHeader*) (fRL->GetHeader()->GenEventHeader()); |
| 1277 | for (Int_t i = 0; i < exHeader->NTriggerJets(); i++) |
| 1278 | { |
| 1279 | printf("Adding Jet %d %d \n", i, exHeader->NTriggerJets()); |
| 1280 | |
| 1281 | |
| 1282 | exHeader->TriggerJet(i, uqJet); |
| 1283 | ((AliGenPythiaEventHeader*) fHeader)->AddUQJet(uqJet[0], uqJet[1], uqJet[2], uqJet[3]); |
| 1284 | } |
| 1285 | } |
| 1286 | // |
| 1287 | // Store quenching parameters |
| 1288 | // |
| 1289 | if (fQuench){ |
| b6262a45 |
1290 | Double_t z[4] = {0.}; |
| 1291 | Double_t xp = 0.; |
| 1292 | Double_t yp = 0.; |
| 1293 | |
| 7c21f297 |
1294 | if (fQuench == 1) { |
| 1295 | // Pythia::Quench() |
| 1296 | fPythia->GetQuenchingParameters(xp, yp, z); |
| 1bab4b79 |
1297 | } else if (fQuench == 2){ |
| 7c21f297 |
1298 | // Pyquen |
| 1299 | Double_t r1 = PARIMP.rb1; |
| 1300 | Double_t r2 = PARIMP.rb2; |
| 1301 | Double_t b = PARIMP.b1; |
| 1302 | Double_t r = 0.5 * TMath::Sqrt(2. * (r1 * r1 + r2 * r2) - b * b); |
| 1303 | Double_t phi = PARIMP.psib1; |
| 1304 | xp = r * TMath::Cos(phi); |
| 1305 | yp = r * TMath::Sin(phi); |
| 1306 | |
| 1bab4b79 |
1307 | } else if (fQuench == 4) { |
| 1308 | // QPythia |
| 5831e75f |
1309 | Double_t xy[2]; |
| e9719084 |
1310 | Double_t i0i1[2]; |
| 1311 | AliFastGlauber::Instance()->GetSavedXY(xy); |
| 1312 | AliFastGlauber::Instance()->GetSavedI0I1(i0i1); |
| 5831e75f |
1313 | xp = xy[0]; |
| 1314 | yp = xy[1]; |
| e6fe9b82 |
1315 | ((AliGenPythiaEventHeader*) fHeader)->SetImpactParameter(fImpact); |
| 7c21f297 |
1316 | } |
| 1bab4b79 |
1317 | |
| 7c21f297 |
1318 | ((AliGenPythiaEventHeader*) fHeader)->SetXYJet(xp, yp); |
| 1319 | ((AliGenPythiaEventHeader*) fHeader)->SetZQuench(z); |
| 1bab4b79 |
1320 | } |
| beac474c |
1321 | // |
| 1322 | // Store pt^hard |
| 1323 | ((AliGenPythiaEventHeader*) fHeader)->SetPtHard(fPythia->GetVINT(47)); |
| 64da86aa |
1324 | |
| 1325 | // |
| 1326 | // Store Event Weight |
| 1327 | ((AliGenPythiaEventHeader*) fHeader)->SetEventWeight(fPythia->GetPARI(7)); |
| 1328 | |
| 5fa4b20b |
1329 | // |
| cf57b268 |
1330 | // Pass header |
| 5fa4b20b |
1331 | // |
| cf57b268 |
1332 | AddHeader(fHeader); |
| 4c4eac97 |
1333 | fHeader = 0x0; |
| 8d2cd130 |
1334 | } |
| cf57b268 |
1335 | |
| c2fc9d31 |
1336 | Bool_t AliGenPythia::CheckTrigger(const TParticle* jet1, const TParticle* jet2) |
| 8d2cd130 |
1337 | { |
| 1338 | // Check the kinematic trigger condition |
| 1339 | // |
| 1340 | Double_t eta[2]; |
| 1341 | eta[0] = jet1->Eta(); |
| 1342 | eta[1] = jet2->Eta(); |
| 1343 | Double_t phi[2]; |
| 1344 | phi[0] = jet1->Phi(); |
| 1345 | phi[1] = jet2->Phi(); |
| 1346 | Int_t pdg[2]; |
| 1347 | pdg[0] = jet1->GetPdgCode(); |
| 1348 | pdg[1] = jet2->GetPdgCode(); |
| 1349 | Bool_t triggered = kFALSE; |
| 1350 | |
| 64da86aa |
1351 | if (fProcess == kPyJets || fProcess == kPyBeautyJets || fProcess == kPyBeautyppMNRwmi || fProcess == kPyJetsPWHG || fProcess == kPyCharmPWHG || fProcess == kPyBeautyPWHG) { |
| 8d2cd130 |
1352 | Int_t njets = 0; |
| 1353 | Int_t ntrig = 0; |
| 1354 | Float_t jets[4][10]; |
| 1355 | // |
| 1356 | // Use Pythia clustering on parton level to determine jet axis |
| 1357 | // |
| 1358 | GetJets(njets, ntrig, jets); |
| 1359 | |
| 76d6ba9a |
1360 | if (ntrig || fEtMinJet == 0.) triggered = kTRUE; |
| 8d2cd130 |
1361 | // |
| 1362 | } else { |
| 1363 | Int_t ij = 0; |
| 1364 | Int_t ig = 1; |
| 1365 | if (pdg[0] == kGamma) { |
| 1366 | ij = 1; |
| 1367 | ig = 0; |
| 1368 | } |
| 1369 | //Check eta range first... |
| 1370 | if ((eta[ij] < fEtaMaxJet && eta[ij] > fEtaMinJet) && |
| 1371 | (eta[ig] < fEtaMaxGamma && eta[ig] > fEtaMinGamma)) |
| 1372 | { |
| 1373 | //Eta is okay, now check phi range |
| 1374 | if ((phi[ij] < fPhiMaxJet && phi[ij] > fPhiMinJet) && |
| 1375 | (phi[ig] < fPhiMaxGamma && phi[ig] > fPhiMinGamma)) |
| 1376 | { |
| 1377 | triggered = kTRUE; |
| 1378 | } |
| 1379 | } |
| 1380 | } |
| 1381 | return triggered; |
| 1382 | } |
| aea21c57 |
1383 | |
| 1384 | |
| aea21c57 |
1385 | |
| 7184e472 |
1386 | Bool_t AliGenPythia::CheckKinematicsOnChild(){ |
| 1387 | // |
| 1388 | //Checking Kinematics on Child (status code 1, particle code ?, kin cuts |
| 1389 | // |
| aea21c57 |
1390 | Bool_t checking = kFALSE; |
| 1391 | Int_t j, kcode, ks, km; |
| 1392 | Int_t nPartAcc = 0; //number of particles in the acceptance range |
| 1393 | Int_t numberOfAcceptedParticles = 1; |
| 1394 | if (fNumberOfAcceptedParticles != 0) { numberOfAcceptedParticles = fNumberOfAcceptedParticles; } |
| 8507138f |
1395 | Int_t npart = fParticles.GetEntriesFast(); |
| aea21c57 |
1396 | |
| 0f6ee828 |
1397 | for (j = 0; j<npart; j++) { |
| 8507138f |
1398 | TParticle * jparticle = (TParticle *) fParticles.At(j); |
| aea21c57 |
1399 | kcode = TMath::Abs( CheckPDGCode(jparticle->GetPdgCode()) ); |
| 1400 | ks = jparticle->GetStatusCode(); |
| 1401 | km = jparticle->GetFirstMother(); |
| 1402 | |
| 1403 | if( (ks == 1) && (kcode == fPdgCodeParticleforAcceptanceCut) && (KinematicSelection(jparticle,1)) ){ |
| 1404 | nPartAcc++; |
| 1405 | } |
| 0f6ee828 |
1406 | if( numberOfAcceptedParticles <= nPartAcc){ |
| 1407 | checking = kTRUE; |
| 1408 | break; |
| 1409 | } |
| aea21c57 |
1410 | } |
| 0f6ee828 |
1411 | |
| aea21c57 |
1412 | return checking; |
| aea21c57 |
1413 | } |
| 1414 | |
| 5fa4b20b |
1415 | void AliGenPythia::LoadEvent(AliStack* stack, Int_t flag, Int_t reHadr) |
| 8d2cd130 |
1416 | { |
| 1058d9df |
1417 | // |
| 1418 | // Load event into Pythia Common Block |
| 1419 | // |
| 1420 | |
| 1421 | Int_t npart = stack -> GetNprimary(); |
| 1422 | Int_t n0 = 0; |
| 1423 | |
| 1424 | if (!flag) { |
| 1425 | (fPythia->GetPyjets())->N = npart; |
| 1426 | } else { |
| 1427 | n0 = (fPythia->GetPyjets())->N; |
| 1428 | (fPythia->GetPyjets())->N = n0 + npart; |
| 1429 | } |
| 1430 | |
| 1431 | |
| 1432 | for (Int_t part = 0; part < npart; part++) { |
| 1433 | TParticle *mPart = stack->Particle(part); |
| 32d6ef7d |
1434 | |
| 1058d9df |
1435 | Int_t kf = mPart->GetPdgCode(); |
| 1436 | Int_t ks = mPart->GetStatusCode(); |
| 1437 | Int_t idf = mPart->GetFirstDaughter(); |
| 1438 | Int_t idl = mPart->GetLastDaughter(); |
| 1439 | |
| 1440 | if (reHadr) { |
| 1441 | if (ks == 11 || ks == 12) { |
| 1442 | ks -= 10; |
| 1443 | idf = -1; |
| 1444 | idl = -1; |
| 1445 | } |
| 32d6ef7d |
1446 | } |
| 1447 | |
| 1058d9df |
1448 | Float_t px = mPart->Px(); |
| 1449 | Float_t py = mPart->Py(); |
| 1450 | Float_t pz = mPart->Pz(); |
| 1451 | Float_t e = mPart->Energy(); |
| 1452 | Float_t m = mPart->GetCalcMass(); |
| 32d6ef7d |
1453 | |
| 1058d9df |
1454 | |
| 1455 | (fPythia->GetPyjets())->P[0][part+n0] = px; |
| 1456 | (fPythia->GetPyjets())->P[1][part+n0] = py; |
| 1457 | (fPythia->GetPyjets())->P[2][part+n0] = pz; |
| 1458 | (fPythia->GetPyjets())->P[3][part+n0] = e; |
| 1459 | (fPythia->GetPyjets())->P[4][part+n0] = m; |
| 1460 | |
| 1461 | (fPythia->GetPyjets())->K[1][part+n0] = kf; |
| 1462 | (fPythia->GetPyjets())->K[0][part+n0] = ks; |
| 1463 | (fPythia->GetPyjets())->K[3][part+n0] = idf + 1; |
| 1464 | (fPythia->GetPyjets())->K[4][part+n0] = idl + 1; |
| 1465 | (fPythia->GetPyjets())->K[2][part+n0] = mPart->GetFirstMother() + 1; |
| 1466 | } |
| 1467 | } |
| 1468 | |
| c2fc9d31 |
1469 | void AliGenPythia::LoadEvent(const TObjArray* stack, Int_t flag, Int_t reHadr) |
| 1058d9df |
1470 | { |
| 1471 | // |
| 1472 | // Load event into Pythia Common Block |
| 1473 | // |
| 1474 | |
| 1475 | Int_t npart = stack -> GetEntries(); |
| 1476 | Int_t n0 = 0; |
| 1477 | |
| 1478 | if (!flag) { |
| 1479 | (fPythia->GetPyjets())->N = npart; |
| 1480 | } else { |
| 1481 | n0 = (fPythia->GetPyjets())->N; |
| 1482 | (fPythia->GetPyjets())->N = n0 + npart; |
| 1483 | } |
| 1484 | |
| 1485 | |
| 1486 | for (Int_t part = 0; part < npart; part++) { |
| 1487 | TParticle *mPart = dynamic_cast<TParticle *>(stack->At(part)); |
| 92847124 |
1488 | if (!mPart) continue; |
| 1489 | |
| 1058d9df |
1490 | Int_t kf = mPart->GetPdgCode(); |
| 1491 | Int_t ks = mPart->GetStatusCode(); |
| 1492 | Int_t idf = mPart->GetFirstDaughter(); |
| 1493 | Int_t idl = mPart->GetLastDaughter(); |
| 1494 | |
| 1495 | if (reHadr) { |
| 92847124 |
1496 | if (ks == 11 || ks == 12) { |
| 1497 | ks -= 10; |
| 1498 | idf = -1; |
| 1499 | idl = -1; |
| 1500 | } |
| 8d2cd130 |
1501 | } |
| 1058d9df |
1502 | |
| 1503 | Float_t px = mPart->Px(); |
| 1504 | Float_t py = mPart->Py(); |
| 1505 | Float_t pz = mPart->Pz(); |
| 1506 | Float_t e = mPart->Energy(); |
| 1507 | Float_t m = mPart->GetCalcMass(); |
| 1508 | |
| 1509 | |
| 1510 | (fPythia->GetPyjets())->P[0][part+n0] = px; |
| 1511 | (fPythia->GetPyjets())->P[1][part+n0] = py; |
| 1512 | (fPythia->GetPyjets())->P[2][part+n0] = pz; |
| 1513 | (fPythia->GetPyjets())->P[3][part+n0] = e; |
| 1514 | (fPythia->GetPyjets())->P[4][part+n0] = m; |
| 1515 | |
| 1516 | (fPythia->GetPyjets())->K[1][part+n0] = kf; |
| 1517 | (fPythia->GetPyjets())->K[0][part+n0] = ks; |
| 1518 | (fPythia->GetPyjets())->K[3][part+n0] = idf + 1; |
| 1519 | (fPythia->GetPyjets())->K[4][part+n0] = idl + 1; |
| 1520 | (fPythia->GetPyjets())->K[2][part+n0] = mPart->GetFirstMother() + 1; |
| 1521 | } |
| 8d2cd130 |
1522 | } |
| 1523 | |
| 5fa4b20b |
1524 | |
| 014a9521 |
1525 | void AliGenPythia::RecJetsUA1(Int_t& njets, Float_t jets [4][50]) |
| 8d2cd130 |
1526 | { |
| 1527 | // |
| 1528 | // Calls the Pythia jet finding algorithm to find jets in the current event |
| 1529 | // |
| 1530 | // |
| 8d2cd130 |
1531 | // |
| 1532 | // Save jets |
| 1533 | Int_t n = fPythia->GetN(); |
| 1534 | |
| 1535 | // |
| 1536 | // Run Jet Finder |
| 1537 | fPythia->Pycell(njets); |
| 1538 | Int_t i; |
| 1539 | for (i = 0; i < njets; i++) { |
| 1540 | Float_t px = (fPythia->GetPyjets())->P[0][n+i]; |
| 1541 | Float_t py = (fPythia->GetPyjets())->P[1][n+i]; |
| 1542 | Float_t pz = (fPythia->GetPyjets())->P[2][n+i]; |
| 1543 | Float_t e = (fPythia->GetPyjets())->P[3][n+i]; |
| 1544 | |
| 1545 | jets[0][i] = px; |
| 1546 | jets[1][i] = py; |
| 1547 | jets[2][i] = pz; |
| 1548 | jets[3][i] = e; |
| 1549 | } |
| 1550 | } |
| 1551 | |
| 1552 | |
| 1553 | |
| 1554 | void AliGenPythia::GetJets(Int_t& nJets, Int_t& nJetsTrig, Float_t jets[4][10]) |
| 1555 | { |
| 1556 | // |
| 1557 | // Calls the Pythia clustering algorithm to find jets in the current event |
| 1558 | // |
| 1559 | Int_t n = fPythia->GetN(); |
| 1560 | nJets = 0; |
| 1561 | nJetsTrig = 0; |
| 1562 | if (fJetReconstruction == kCluster) { |
| 1563 | // |
| 1564 | // Configure cluster algorithm |
| 1565 | // |
| 1566 | fPythia->SetPARU(43, 2.); |
| 1567 | fPythia->SetMSTU(41, 1); |
| 1568 | // |
| 1569 | // Call cluster algorithm |
| 1570 | // |
| 1571 | fPythia->Pyclus(nJets); |
| 1572 | // |
| 1573 | // Loading jets from common block |
| 1574 | // |
| 1575 | } else { |
| 592f8307 |
1576 | |
| 8d2cd130 |
1577 | // |
| 1578 | // Run Jet Finder |
| 1579 | fPythia->Pycell(nJets); |
| 1580 | } |
| 1581 | |
| 1582 | Int_t i; |
| 1583 | for (i = 0; i < nJets; i++) { |
| 1584 | Float_t px = (fPythia->GetPyjets())->P[0][n+i]; |
| 1585 | Float_t py = (fPythia->GetPyjets())->P[1][n+i]; |
| 1586 | Float_t pz = (fPythia->GetPyjets())->P[2][n+i]; |
| 1587 | Float_t e = (fPythia->GetPyjets())->P[3][n+i]; |
| 1588 | Float_t pt = TMath::Sqrt(px * px + py * py); |
| a920faf9 |
1589 | Float_t phi = TMath::Pi() + TMath::ATan2(-py, -px); |
| 8d2cd130 |
1590 | Float_t theta = TMath::ATan2(pt,pz); |
| 1591 | Float_t et = e * TMath::Sin(theta); |
| 1592 | Float_t eta = -TMath::Log(TMath::Tan(theta / 2.)); |
| 8d2cd130 |
1593 | if ( |
| 1594 | eta > fEtaMinJet && eta < fEtaMaxJet && |
| 675eb105 |
1595 | phi > fPhiMinJet && phi < fPhiMaxJet && |
| 8d2cd130 |
1596 | et > fEtMinJet && et < fEtMaxJet |
| 1597 | ) |
| 1598 | { |
| 1599 | jets[0][nJetsTrig] = px; |
| 1600 | jets[1][nJetsTrig] = py; |
| 1601 | jets[2][nJetsTrig] = pz; |
| 1602 | jets[3][nJetsTrig] = e; |
| 1603 | nJetsTrig++; |
| 5fa4b20b |
1604 | // printf("\n........-Jet #%d: %10.3f %10.3f %10.3f %10.3f \n", i, pt, et, eta, phi * kRaddeg); |
| 8d2cd130 |
1605 | } else { |
| 1606 | // printf("\n........-Jet #%d: %10.3f %10.3f %10.3f %10.3f \n", i, pt, et, eta, phi * kRaddeg); |
| 1607 | } |
| 1608 | } |
| 1609 | } |
| 1610 | |
| f913ec4f |
1611 | void AliGenPythia::GetSubEventTime() |
| 1612 | { |
| 1613 | // Calculates time of the next subevent |
| 9d7108a7 |
1614 | fEventTime = 0.; |
| 1615 | if (fEventsTime) { |
| 1616 | TArrayF &array = *fEventsTime; |
| 1617 | fEventTime = array[fCurSubEvent++]; |
| 1618 | } |
| 1619 | // printf(" Event time: %d %f %p",fCurSubEvent,fEventTime,fEventsTime); |
| 1620 | return; |
| f913ec4f |
1621 | } |
| 8d2cd130 |
1622 | |
| e81f2bac |
1623 | Bool_t AliGenPythia::IsInBarrel(Float_t eta) const |
| 40fe59d4 |
1624 | { |
| 1625 | // Is particle in Central Barrel acceptance? |
| 1626 | // etamin=-etamax |
| 1627 | if( eta < fTriggerEta ) |
| 1628 | return kTRUE; |
| 1629 | else |
| 1630 | return kFALSE; |
| 1631 | } |
| 1632 | |
| e81f2bac |
1633 | Bool_t AliGenPythia::IsInEMCAL(Float_t phi, Float_t eta) const |
| ec2c406e |
1634 | { |
| 1635 | // Is particle in EMCAL acceptance? |
| ec2c406e |
1636 | // phi in degrees, etamin=-etamax |
| 9fd8e520 |
1637 | if(phi > fEMCALMinPhi && phi < fEMCALMaxPhi && |
| 1638 | eta < fEMCALEta ) |
| ec2c406e |
1639 | return kTRUE; |
| 1640 | else |
| 1641 | return kFALSE; |
| 1642 | } |
| 1643 | |
| e81f2bac |
1644 | Bool_t AliGenPythia::IsInPHOS(Float_t phi, Float_t eta, Int_t iparticle) |
| ec2c406e |
1645 | { |
| 1646 | // Is particle in PHOS acceptance? |
| 1647 | // Acceptance slightly larger considered. |
| 1648 | // phi in degrees, etamin=-etamax |
| 40fe59d4 |
1649 | // iparticle is the index of the particle to be checked, for PHOS rotation case |
| 1650 | |
| 9fd8e520 |
1651 | if(phi > fPHOSMinPhi && phi < fPHOSMaxPhi && |
| 1652 | eta < fPHOSEta ) |
| ec2c406e |
1653 | return kTRUE; |
| 1654 | else |
| 40fe59d4 |
1655 | { |
| 1656 | if( fCheckPHOSeta && eta < fPHOSEta) fPHOSRotateCandidate = iparticle; |
| 1657 | |
| ec2c406e |
1658 | return kFALSE; |
| 40fe59d4 |
1659 | } |
| ec2c406e |
1660 | } |
| 1661 | |
| 40fe59d4 |
1662 | void AliGenPythia::RotatePhi(Bool_t& okdd) |
| 90a236ce |
1663 | { |
| 40fe59d4 |
1664 | //Rotate event in phi to enhance events in PHOS acceptance |
| 1665 | |
| 1666 | if(fPHOSRotateCandidate < 0) return ; |
| 1667 | |
| 90a236ce |
1668 | //calculate the new position random between fPHOSMinPhi and fPHOSMaxPhi |
| 1669 | Double_t phiPHOSmin = TMath::Pi()*fPHOSMinPhi/180; |
| 1670 | Double_t phiPHOSmax = TMath::Pi()*fPHOSMaxPhi/180; |
| 800be8b7 |
1671 | Double_t phiPHOS = (AliPythiaRndm::GetPythiaRandom())->Uniform(phiPHOSmin,phiPHOSmax); |
| 90a236ce |
1672 | |
| 1673 | //calculate deltaphi |
| 40fe59d4 |
1674 | TParticle* ph = (TParticle *) fParticles.At(fPHOSRotateCandidate); |
| 90a236ce |
1675 | Double_t phphi = ph->Phi(); |
| 1676 | Double_t deltaphi = phiPHOS - phphi; |
| 40fe59d4 |
1677 | |
| 90a236ce |
1678 | |
| 1679 | |
| 1680 | //loop for all particles and produce the phi rotation |
| 8507138f |
1681 | Int_t np = (fHadronisation) ? fParticles.GetEntriesFast() : fNpartons; |
| 90a236ce |
1682 | Double_t oldphi, newphi; |
| 777e69b0 |
1683 | Double_t newVx, newVy, r, vZ, time; |
| 1684 | Double_t newPx, newPy, pt, pz, e; |
| 90a236ce |
1685 | for(Int_t i=0; i< np; i++) { |
| 40fe59d4 |
1686 | TParticle* iparticle = (TParticle *) fParticles.At(i); |
| 1687 | oldphi = iparticle->Phi(); |
| 1688 | newphi = oldphi + deltaphi; |
| 1689 | if(newphi < 0) newphi = 2*TMath::Pi() + newphi; // correct angle |
| 1690 | if(newphi > 2*TMath::Pi()) newphi = newphi - 2*TMath::Pi(); // correct angle |
| 1691 | |
| 1692 | r = iparticle->R(); |
| 1693 | newVx = r * TMath::Cos(newphi); |
| 1694 | newVy = r * TMath::Sin(newphi); |
| 1695 | vZ = iparticle->Vz(); // don't transform |
| 1696 | time = iparticle->T(); // don't transform |
| 1697 | |
| 1698 | pt = iparticle->Pt(); |
| 1699 | newPx = pt * TMath::Cos(newphi); |
| 1700 | newPy = pt * TMath::Sin(newphi); |
| 1701 | pz = iparticle->Pz(); // don't transform |
| 1702 | e = iparticle->Energy(); // don't transform |
| 1703 | |
| 1704 | // apply rotation |
| 1705 | iparticle->SetProductionVertex(newVx, newVy, vZ, time); |
| 1706 | iparticle->SetMomentum(newPx, newPy, pz, e); |
| 1707 | |
| 90a236ce |
1708 | } //end particle loop |
| 1709 | |
| 40fe59d4 |
1710 | // now let's check that we put correctly the candidate photon in PHOS |
| 1711 | Float_t phi = ph->Phi()*180./TMath::Pi(); //Convert to degrees |
| 1712 | Float_t eta =TMath::Abs(ph->Eta());//in calos etamin=-etamax |
| 1713 | if(IsInPHOS(phi,eta,-1)) |
| 1714 | okdd = kTRUE; |
| 1715 | |
| 1716 | // reset the value for next event |
| 1717 | fPHOSRotateCandidate = -1; |
| 1718 | |
| 90a236ce |
1719 | } |
| ec2c406e |
1720 | |
| 1721 | |
| 800be8b7 |
1722 | Bool_t AliGenPythia::CheckDiffraction() |
| 1723 | { |
| 1724 | // use this method only with Perugia-0 tune! |
| 1725 | |
| 1726 | // printf("AAA\n"); |
| 1727 | |
| 1728 | Int_t np = (fHadronisation) ? fParticles.GetEntriesFast() : fNpartons; |
| 1729 | |
| 1730 | Int_t iPart1=-1; |
| 1731 | Int_t iPart2=-1; |
| 1732 | |
| 1733 | Double_t y1 = 1e10; |
| 1734 | Double_t y2 = -1e10; |
| 1735 | |
| 1736 | const Int_t kNstable=20; |
| 1737 | const Int_t pdgStable[20] = { |
| 1738 | 22, // Photon |
| 1739 | 11, // Electron |
| 1740 | 12, // Electron Neutrino |
| 1741 | 13, // Muon |
| 1742 | 14, // Muon Neutrino |
| 1743 | 15, // Tau |
| 1744 | 16, // Tau Neutrino |
| 1745 | 211, // Pion |
| 1746 | 321, // Kaon |
| 1747 | 311, // K0 |
| 1748 | 130, // K0s |
| 1749 | 310, // K0l |
| 1750 | 2212, // Proton |
| 1751 | 2112, // Neutron |
| 1752 | 3122, // Lambda_0 |
| 1753 | 3112, // Sigma Minus |
| 1754 | 3222, // Sigma Plus |
| 1755 | 3312, // Xsi Minus |
| 1756 | 3322, // Xsi0 |
| 1757 | 3334 // Omega |
| 1758 | }; |
| 1759 | |
| 1760 | for (Int_t i = 0; i < np; i++) { |
| 1761 | TParticle * part = (TParticle *) fParticles.At(i); |
| 1762 | |
| 1763 | Int_t statusCode = part->GetStatusCode(); |
| 1764 | |
| 1765 | // Initial state particle |
| 1766 | if (statusCode != 1) |
| 1767 | continue; |
| 1768 | |
| 1769 | Int_t pdg = TMath::Abs(part->GetPdgCode()); |
| 1770 | Bool_t isStable = kFALSE; |
| 1771 | for (Int_t i1 = 0; i1 < kNstable; i1++) { |
| 1772 | if (pdg == pdgStable[i1]) { |
| 1773 | isStable = kTRUE; |
| 1774 | break; |
| 1775 | } |
| 1776 | } |
| 1777 | if(!isStable) |
| 1778 | continue; |
| 1779 | |
| 1780 | Double_t y = part->Y(); |
| 1781 | |
| 1782 | if (y < y1) |
| 1783 | { |
| 1784 | y1 = y; |
| 1785 | iPart1 = i; |
| 1786 | } |
| 1787 | if (y > y2) |
| 1788 | { |
| 1789 | y2 = y; |
| 1790 | iPart2 = i; |
| 1791 | } |
| 1792 | } |
| 1793 | |
| 1794 | if(iPart1<0 || iPart2<0) return kFALSE; |
| 1795 | |
| 1796 | y1=TMath::Abs(y1); |
| 1797 | y2=TMath::Abs(y2); |
| 1798 | |
| 1799 | TParticle * part1 = (TParticle *) fParticles.At(iPart1); |
| 1800 | TParticle * part2 = (TParticle *) fParticles.At(iPart2); |
| 1801 | |
| 1802 | Int_t pdg1 = part1->GetPdgCode(); |
| 1803 | Int_t pdg2 = part2->GetPdgCode(); |
| 1804 | |
| 1805 | |
| 1806 | Int_t iPart = -1; |
| 1807 | if (pdg1 == 2212 && pdg2 == 2212) |
| 1808 | { |
| 1809 | if(y1 > y2) |
| 1810 | iPart = iPart1; |
| 1811 | else if(y1 < y2) |
| 1812 | iPart = iPart2; |
| 1813 | else { |
| 1814 | iPart = iPart1; |
| 1815 | if((AliPythiaRndm::GetPythiaRandom())->Uniform(0.,1.)>0.5) iPart = iPart2; |
| 1816 | } |
| 1817 | } |
| 1818 | else if (pdg1 == 2212) |
| 1819 | iPart = iPart1; |
| 1820 | else if (pdg2 == 2212) |
| 1821 | iPart = iPart2; |
| 1822 | |
| 1823 | |
| 1824 | |
| 1825 | |
| 1826 | |
| 1827 | Double_t M=-1.; |
| 1828 | if(iPart>0) { |
| 1829 | TParticle * part = (TParticle *) fParticles.At(iPart); |
| 1830 | Double_t E= part->Energy(); |
| 1831 | Double_t P= part->P(); |
| 4f813e90 |
1832 | Double_t M2 = (fEnergyCMS-E-P)*(fEnergyCMS-E+P); |
| 1833 | if(M2<0) return kFALSE; |
| 1834 | M= TMath::Sqrt(M2); |
| 800be8b7 |
1835 | } |
| 1836 | |
| c5dfa3e4 |
1837 | Double_t Mmin, Mmax, wSD, wDD, wND; |
| 1838 | if(!GetWeightsDiffraction(M, Mmin, Mmax, wSD, wDD, wND)) return kFALSE; |
| 1839 | |
| 1840 | if(M>-1 && M<Mmin) return kFALSE; |
| 1841 | if(M>Mmax) M=-1; |
| 1842 | |
| 1843 | Int_t procType=fPythia->GetMSTI(1); |
| 1844 | Int_t proc0=2; |
| 1845 | if(procType== 94) proc0=1; |
| 1846 | if(procType== 92 || procType== 93) proc0=0; |
| 1847 | |
| 1848 | Int_t proc=2; |
| 1849 | if(M>0) proc=0; |
| 1850 | else if(proc0==1) proc=1; |
| 1851 | |
| 1852 | if(proc==1 && (AliPythiaRndm::GetPythiaRandom())->Uniform(0.,1.) > wDD) return kFALSE; |
| 1853 | if(proc==2 && (AliPythiaRndm::GetPythiaRandom())->Uniform(0.,1.) > wND) return kFALSE; |
| 800be8b7 |
1854 | |
| 1855 | |
| 1856 | // if(proc==1 || proc==2) return kFALSE; |
| 1857 | |
| c5dfa3e4 |
1858 | if(proc!=0) { |
| 1859 | if(proc0!=0) fProcDiff = procType; |
| 1860 | else fProcDiff = 95; |
| 1861 | return kTRUE; |
| 1862 | } |
| 1863 | |
| 1864 | if(wSD<0) AliError("wSD<0 ! \n"); |
| 1865 | |
| 1866 | if((AliPythiaRndm::GetPythiaRandom())->Uniform(0.,1.)> wSD) return kFALSE; |
| 1867 | |
| 1868 | // printf("iPart = %d\n", iPart); |
| 1869 | |
| 1870 | if(iPart==iPart1) fProcDiff=93; |
| 1871 | else if(iPart==iPart2) fProcDiff=92; |
| 1872 | else { |
| 1873 | printf("EROOR: iPart!=iPart1 && iPart!=iPart2\n"); |
| 1874 | |
| 800be8b7 |
1875 | } |
| 1876 | |
| c5dfa3e4 |
1877 | return kTRUE; |
| 1878 | } |
| 1879 | |
| 1880 | |
| 1881 | |
| 1882 | Bool_t AliGenPythia::GetWeightsDiffraction(Double_t M, Double_t &Mmin, Double_t &Mmax, |
| 1883 | Double_t &wSD, Double_t &wDD, Double_t &wND) |
| 1884 | { |
| 1885 | |
| 1886 | // 900 GeV |
| 1887 | if(TMath::Abs(fEnergyCMS-900)<1 ){ |
| 1888 | |
| 1889 | const Int_t nbin=400; |
| 1890 | Double_t bin[]={ |
| 1891 | 1.080000, 1.577300, 2.074600, 2.571900, 3.069200, 3.566500, |
| 1892 | 4.063800, 4.561100, 5.058400, 5.555700, 6.053000, 6.550300, |
| 1893 | 7.047600, 7.544900, 8.042200, 8.539500, 9.036800, 9.534100, |
| 1894 | 10.031400, 10.528700, 11.026000, 11.523300, 12.020600, 12.517900, |
| 1895 | 13.015200, 13.512500, 14.009800, 14.507100, 15.004400, 15.501700, |
| 1896 | 15.999000, 16.496300, 16.993600, 17.490900, 17.988200, 18.485500, |
| 1897 | 18.982800, 19.480100, 19.977400, 20.474700, 20.972000, 21.469300, |
| 1898 | 21.966600, 22.463900, 22.961200, 23.458500, 23.955800, 24.453100, |
| 1899 | 24.950400, 25.447700, 25.945000, 26.442300, 26.939600, 27.436900, |
| 1900 | 27.934200, 28.431500, 28.928800, 29.426100, 29.923400, 30.420700, |
| 1901 | 30.918000, 31.415300, 31.912600, 32.409900, 32.907200, 33.404500, |
| 1902 | 33.901800, 34.399100, 34.896400, 35.393700, 35.891000, 36.388300, |
| 1903 | 36.885600, 37.382900, 37.880200, 38.377500, 38.874800, 39.372100, |
| 1904 | 39.869400, 40.366700, 40.864000, 41.361300, 41.858600, 42.355900, |
| 1905 | 42.853200, 43.350500, 43.847800, 44.345100, 44.842400, 45.339700, |
| 1906 | 45.837000, 46.334300, 46.831600, 47.328900, 47.826200, 48.323500, |
| 1907 | 48.820800, 49.318100, 49.815400, 50.312700, 50.810000, 51.307300, |
| 1908 | 51.804600, 52.301900, 52.799200, 53.296500, 53.793800, 54.291100, |
| 1909 | 54.788400, 55.285700, 55.783000, 56.280300, 56.777600, 57.274900, |
| 1910 | 57.772200, 58.269500, 58.766800, 59.264100, 59.761400, 60.258700, |
| 1911 | 60.756000, 61.253300, 61.750600, 62.247900, 62.745200, 63.242500, |
| 1912 | 63.739800, 64.237100, 64.734400, 65.231700, 65.729000, 66.226300, |
| 1913 | 66.723600, 67.220900, 67.718200, 68.215500, 68.712800, 69.210100, |
| 1914 | 69.707400, 70.204700, 70.702000, 71.199300, 71.696600, 72.193900, |
| 1915 | 72.691200, 73.188500, 73.685800, 74.183100, 74.680400, 75.177700, |
| 1916 | 75.675000, 76.172300, 76.669600, 77.166900, 77.664200, 78.161500, |
| 1917 | 78.658800, 79.156100, 79.653400, 80.150700, 80.648000, 81.145300, |
| 1918 | 81.642600, 82.139900, 82.637200, 83.134500, 83.631800, 84.129100, |
| 1919 | 84.626400, 85.123700, 85.621000, 86.118300, 86.615600, 87.112900, |
| 1920 | 87.610200, 88.107500, 88.604800, 89.102100, 89.599400, 90.096700, |
| 1921 | 90.594000, 91.091300, 91.588600, 92.085900, 92.583200, 93.080500, |
| 1922 | 93.577800, 94.075100, 94.572400, 95.069700, 95.567000, 96.064300, |
| 1923 | 96.561600, 97.058900, 97.556200, 98.053500, 98.550800, 99.048100, |
| 1924 | 99.545400, 100.042700, 100.540000, 101.037300, 101.534600, 102.031900, |
| 1925 | 102.529200, 103.026500, 103.523800, 104.021100, 104.518400, 105.015700, |
| 1926 | 105.513000, 106.010300, 106.507600, 107.004900, 107.502200, 107.999500, |
| 1927 | 108.496800, 108.994100, 109.491400, 109.988700, 110.486000, 110.983300, |
| 1928 | 111.480600, 111.977900, 112.475200, 112.972500, 113.469800, 113.967100, |
| 1929 | 114.464400, 114.961700, 115.459000, 115.956300, 116.453600, 116.950900, |
| 1930 | 117.448200, 117.945500, 118.442800, 118.940100, 119.437400, 119.934700, |
| 1931 | 120.432000, 120.929300, 121.426600, 121.923900, 122.421200, 122.918500, |
| 1932 | 123.415800, 123.913100, 124.410400, 124.907700, 125.405000, 125.902300, |
| 1933 | 126.399600, 126.896900, 127.394200, 127.891500, 128.388800, 128.886100, |
| 1934 | 129.383400, 129.880700, 130.378000, 130.875300, 131.372600, 131.869900, |
| 1935 | 132.367200, 132.864500, 133.361800, 133.859100, 134.356400, 134.853700, |
| 1936 | 135.351000, 135.848300, 136.345600, 136.842900, 137.340200, 137.837500, |
| 1937 | 138.334800, 138.832100, 139.329400, 139.826700, 140.324000, 140.821300, |
| 1938 | 141.318600, 141.815900, 142.313200, 142.810500, 143.307800, 143.805100, |
| 1939 | 144.302400, 144.799700, 145.297000, 145.794300, 146.291600, 146.788900, |
| 1940 | 147.286200, 147.783500, 148.280800, 148.778100, 149.275400, 149.772700, |
| 1941 | 150.270000, 150.767300, 151.264600, 151.761900, 152.259200, 152.756500, |
| 1942 | 153.253800, 153.751100, 154.248400, 154.745700, 155.243000, 155.740300, |
| 1943 | 156.237600, 156.734900, 157.232200, 157.729500, 158.226800, 158.724100, |
| 1944 | 159.221400, 159.718700, 160.216000, 160.713300, 161.210600, 161.707900, |
| 1945 | 162.205200, 162.702500, 163.199800, 163.697100, 164.194400, 164.691700, |
| 1946 | 165.189000, 165.686300, 166.183600, 166.680900, 167.178200, 167.675500, |
| 1947 | 168.172800, 168.670100, 169.167400, 169.664700, 170.162000, 170.659300, |
| 1948 | 171.156600, 171.653900, 172.151200, 172.648500, 173.145800, 173.643100, |
| 1949 | 174.140400, 174.637700, 175.135000, 175.632300, 176.129600, 176.626900, |
| 1950 | 177.124200, 177.621500, 178.118800, 178.616100, 179.113400, 179.610700, |
| 1951 | 180.108000, 180.605300, 181.102600, 181.599900, 182.097200, 182.594500, |
| 1952 | 183.091800, 183.589100, 184.086400, 184.583700, 185.081000, 185.578300, |
| 1953 | 186.075600, 186.572900, 187.070200, 187.567500, 188.064800, 188.562100, |
| 1954 | 189.059400, 189.556700, 190.054000, 190.551300, 191.048600, 191.545900, |
| 1955 | 192.043200, 192.540500, 193.037800, 193.535100, 194.032400, 194.529700, |
| 1956 | 195.027000, 195.524300, 196.021600, 196.518900, 197.016200, 197.513500, |
| 1957 | 198.010800, 198.508100, 199.005400, 199.502700, 200.000000}; |
| 1958 | Double_t w[]={ |
| 1959 | 1.000000, 0.643457, 0.645609, 0.648347, 0.604563, 0.605002, |
| 1960 | 0.602819, 0.611473, 0.576412, 0.562354, 0.550216, 0.529285, |
| 1961 | 0.534558, 0.534364, 0.530358, 0.518475, 0.489253, 0.469754, |
| 1962 | 0.469825, 0.450513, 0.455849, 0.435312, 0.437210, 0.456686, |
| 1963 | 0.413577, 0.427093, 0.426894, 0.418834, 0.409475, 0.388483, |
| 1964 | 0.412208, 0.388912, 0.389611, 0.382572, 0.389220, 0.370964, |
| 1965 | 0.380463, 0.370873, 0.363701, 0.369363, 0.357361, 0.365759, |
| 1966 | 0.348566, 0.337062, 0.348190, 0.332330, 0.359001, 0.335836, |
| 1967 | 0.339154, 0.335599, 0.336035, 0.335204, 0.353440, 0.337836, |
| 1968 | 0.333874, 0.307120, 0.294963, 0.324978, 0.313359, 0.317688, |
| 1969 | 0.323758, 0.319304, 0.335317, 0.301765, 0.317257, 0.356331, |
| 1970 | 0.323119, 0.297732, 0.303188, 0.326102, 0.316467, 0.294728, |
| 1971 | 0.308135, 0.288857, 0.325692, 0.312493, 0.291100, 0.325921, |
| 1972 | 0.313317, 0.295980, 0.308481, 0.328380, 0.313081, 0.296763, |
| 1973 | 0.295431, 0.317325, 0.320462, 0.286918, 0.316035, 0.335208, |
| 1974 | 0.283193, 0.333945, 0.292534, 0.294164, 0.330680, 0.296992, |
| 1975 | 0.285509, 0.317260, 0.298269, 0.311299, 0.312129, 0.286822, |
| 1976 | 0.287442, 0.319139, 0.283314, 0.318454, 0.297727, 0.301597, |
| 1977 | 0.282483, 0.294792, 0.305569, 0.290957, 0.297817, 0.282908, |
| 1978 | 0.272401, 0.305584, 0.300220, 0.297020, 0.298781, 0.278008, |
| 1979 | 0.277727, 0.323777, 0.287419, 0.342074, 0.287259, 0.303658, |
| 1980 | 0.302668, 0.279622, 0.280586, 0.313630, 0.276068, 0.257051, |
| 1981 | 0.309996, 0.265534, 0.297138, 0.281738, 0.294610, 0.292882, |
| 1982 | 0.286860, 0.312686, 0.293244, 0.293744, 0.271375, 0.278734, |
| 1983 | 0.280308, 0.304739, 0.287907, 0.285261, 0.311180, 0.313476, |
| 1984 | 0.289660, 0.289282, 0.319505, 0.271285, 0.272008, 0.289245, |
| 1985 | 0.281038, 0.285284, 0.295836, 0.281416, 0.283501, 0.295417, |
| 1986 | 0.304372, 0.297764, 0.291378, 0.321530, 0.315604, 0.329507, |
| 1987 | 0.282609, 0.275576, 0.283721, 0.311714, 0.283760, 0.273188, |
| 1988 | 0.312193, 0.264347, 0.281532, 0.301226, 0.281718, 0.336408, |
| 1989 | 0.283157, 0.332010, 0.289974, 0.290256, 0.301569, 0.332228, |
| 1990 | 0.288282, 0.326339, 0.313653, 0.300361, 0.289470, 0.264830, |
| 1991 | 0.298659, 0.272359, 0.278878, 0.306001, 0.328168, 0.294991, |
| 1992 | 0.327737, 0.278056, 0.302435, 0.284183, 0.279270, 0.307279, |
| 1993 | 0.307917, 0.315196, 0.283803, 0.313333, 0.315730, 0.304818, |
| 1994 | 0.307171, 0.295223, 0.333741, 0.346911, 0.310143, 0.336686, |
| 1995 | 0.275459, 0.334781, 0.295405, 0.275816, 0.301678, 0.327242, |
| 1996 | 0.320717, 0.309230, 0.292145, 0.294489, 0.305088, 0.300969, |
| 1997 | 0.277438, 0.326159, 0.297065, 0.301177, 0.303843, 0.275382, |
| 1998 | 0.304019, 0.284166, 0.289610, 0.331611, 0.317131, 0.310880, |
| 1999 | 0.360456, 0.294052, 0.342694, 0.327166, 0.336797, 0.298040, |
| 2000 | 0.295767, 0.260053, 0.325544, 0.335310, 0.320182, 0.301072, |
| 2001 | 0.313117, 0.283407, 0.299206, 0.293525, 0.305067, 0.255978, |
| 2002 | 0.327055, 0.316382, 0.317700, 0.278993, 0.283120, 0.314000, |
| 2003 | 0.274396, 0.291208, 0.348813, 0.319603, 0.313076, 0.289155, |
| 2004 | 0.343988, 0.311426, 0.322896, 0.328726, 0.337062, 0.389093, |
| 2005 | 0.284122, 0.312184, 0.304008, 0.319170, 0.320778, 0.288390, |
| 2006 | 0.337272, 0.356273, 0.343310, 0.312209, 0.330709, 0.297977, |
| 2007 | 0.346146, 0.369162, 0.324385, 0.339831, 0.337037, 0.318739, |
| 2008 | 0.343157, 0.277720, 0.368407, 0.321330, 0.338997, 0.314220, |
| 2009 | 0.328861, 0.321824, 0.328013, 0.356925, 0.359144, 0.296314, |
| 2010 | 0.345415, 0.396711, 0.347032, 0.294928, 0.343799, 0.322331, |
| 2011 | 0.328656, 0.326098, 0.337338, 0.337038, 0.300179, 0.351391, |
| 2012 | 0.324337, 0.330896, 0.302842, 0.310522, 0.337052, 0.359989, |
| 2013 | 0.383250, 0.359355, 0.315382, 0.333113, 0.342598, 0.355348, |
| 2014 | 0.320751, 0.320475, 0.351762, 0.351475, 0.338358, 0.326153, |
| 2015 | 0.302507, 0.340048, 0.318685, 0.381646, 0.339320, 0.299453, |
| 2016 | 0.426599, 0.393515, 0.353929, 0.328435, 0.413976, 0.292558, |
| 2017 | 0.379340, 0.358344, 0.409259, 0.313821, 0.336675, 0.324521, |
| 2018 | 0.408382, 0.346273, 0.312939, 0.362453, 0.343152, 0.330577, |
| 2019 | 0.332831, 0.353299, 0.347745, 0.334818, 0.332234, 0.385585, |
| 2020 | 0.395483, 0.395316, 0.326972, 0.349434, 0.317604, 0.328980, |
| 2021 | 0.375056, 0.317290, 0.357083, 0.346165, 0.310444, 0.356873, |
| 2022 | 0.359523, 0.365308, 0.365122, 0.383685, 0.370975, 0.396928, |
| 2023 | 0.407654, 0.307755, 0.323033, 0.350580, 0.345231, 0.342462, |
| 2024 | 0.400000, 0.318309, 0.403570, 0.322856, 0.383053, 0.422252, |
| 2025 | 0.386112, 0.364314, 0.434375, 0.334629}; |
| 2026 | wDD = 0.379611; |
| 2027 | wND = 0.496961; |
| 2028 | wSD = -1; |
| 2029 | |
| 2030 | Mmin = bin[0]; |
| 2031 | Mmax = bin[nbin]; |
| 2032 | if(M<Mmin || M>Mmax) return kTRUE; |
| 2033 | |
| 7873275c |
2034 | Int_t ibin=nbin-1; |
| 93a60586 |
2035 | for(Int_t i=1; i<=nbin; i++) |
| 2ff57420 |
2036 | if(M<=bin[i]) { |
| 2037 | ibin=i-1; |
| 2038 | // printf("Mi> %f && Mi< %f\n", bin[i-1], bin[i]); |
| 800be8b7 |
2039 | break; |
| 2040 | } |
| c5dfa3e4 |
2041 | wSD=w[ibin]; |
| 2042 | return kTRUE; |
| 2043 | } |
| 2044 | else if(TMath::Abs(fEnergyCMS-2760)<1 ){ |
| 800be8b7 |
2045 | |
| c5dfa3e4 |
2046 | const Int_t nbin=400; |
| 2047 | Double_t bin[]={ |
| 2048 | 1.080000, 1.577300, 2.074600, 2.571900, 3.069200, 3.566500, |
| 2049 | 4.063800, 4.561100, 5.058400, 5.555700, 6.053000, 6.550300, |
| 2050 | 7.047600, 7.544900, 8.042200, 8.539500, 9.036800, 9.534100, |
| 2051 | 10.031400, 10.528700, 11.026000, 11.523300, 12.020600, 12.517900, |
| 2052 | 13.015200, 13.512500, 14.009800, 14.507100, 15.004400, 15.501700, |
| 2053 | 15.999000, 16.496300, 16.993600, 17.490900, 17.988200, 18.485500, |
| 2054 | 18.982800, 19.480100, 19.977400, 20.474700, 20.972000, 21.469300, |
| 2055 | 21.966600, 22.463900, 22.961200, 23.458500, 23.955800, 24.453100, |
| 2056 | 24.950400, 25.447700, 25.945000, 26.442300, 26.939600, 27.436900, |
| 2057 | 27.934200, 28.431500, 28.928800, 29.426100, 29.923400, 30.420700, |
| 2058 | 30.918000, 31.415300, 31.912600, 32.409900, 32.907200, 33.404500, |
| 2059 | 33.901800, 34.399100, 34.896400, 35.393700, 35.891000, 36.388300, |
| 2060 | 36.885600, 37.382900, 37.880200, 38.377500, 38.874800, 39.372100, |
| 2061 | 39.869400, 40.366700, 40.864000, 41.361300, 41.858600, 42.355900, |
| 2062 | 42.853200, 43.350500, 43.847800, 44.345100, 44.842400, 45.339700, |
| 2063 | 45.837000, 46.334300, 46.831600, 47.328900, 47.826200, 48.323500, |
| 2064 | 48.820800, 49.318100, 49.815400, 50.312700, 50.810000, 51.307300, |
| 2065 | 51.804600, 52.301900, 52.799200, 53.296500, 53.793800, 54.291100, |
| 2066 | 54.788400, 55.285700, 55.783000, 56.280300, 56.777600, 57.274900, |
| 2067 | 57.772200, 58.269500, 58.766800, 59.264100, 59.761400, 60.258700, |
| 2068 | 60.756000, 61.253300, 61.750600, 62.247900, 62.745200, 63.242500, |
| 2069 | 63.739800, 64.237100, 64.734400, 65.231700, 65.729000, 66.226300, |
| 2070 | 66.723600, 67.220900, 67.718200, 68.215500, 68.712800, 69.210100, |
| 2071 | 69.707400, 70.204700, 70.702000, 71.199300, 71.696600, 72.193900, |
| 2072 | 72.691200, 73.188500, 73.685800, 74.183100, 74.680400, 75.177700, |
| 2073 | 75.675000, 76.172300, 76.669600, 77.166900, 77.664200, 78.161500, |
| 2074 | 78.658800, 79.156100, 79.653400, 80.150700, 80.648000, 81.145300, |
| 2075 | 81.642600, 82.139900, 82.637200, 83.134500, 83.631800, 84.129100, |
| 2076 | 84.626400, 85.123700, 85.621000, 86.118300, 86.615600, 87.112900, |
| 2077 | 87.610200, 88.107500, 88.604800, 89.102100, 89.599400, 90.096700, |
| 2078 | 90.594000, 91.091300, 91.588600, 92.085900, 92.583200, 93.080500, |
| 2079 | 93.577800, 94.075100, 94.572400, 95.069700, 95.567000, 96.064300, |
| 2080 | 96.561600, 97.058900, 97.556200, 98.053500, 98.550800, 99.048100, |
| 2081 | 99.545400, 100.042700, 100.540000, 101.037300, 101.534600, 102.031900, |
| 2082 | 102.529200, 103.026500, 103.523800, 104.021100, 104.518400, 105.015700, |
| 2083 | 105.513000, 106.010300, 106.507600, 107.004900, 107.502200, 107.999500, |
| 2084 | 108.496800, 108.994100, 109.491400, 109.988700, 110.486000, 110.983300, |
| 2085 | 111.480600, 111.977900, 112.475200, 112.972500, 113.469800, 113.967100, |
| 2086 | 114.464400, 114.961700, 115.459000, 115.956300, 116.453600, 116.950900, |
| 2087 | 117.448200, 117.945500, 118.442800, 118.940100, 119.437400, 119.934700, |
| 2088 | 120.432000, 120.929300, 121.426600, 121.923900, 122.421200, 122.918500, |
| 2089 | 123.415800, 123.913100, 124.410400, 124.907700, 125.405000, 125.902300, |
| 2090 | 126.399600, 126.896900, 127.394200, 127.891500, 128.388800, 128.886100, |
| 2091 | 129.383400, 129.880700, 130.378000, 130.875300, 131.372600, 131.869900, |
| 2092 | 132.367200, 132.864500, 133.361800, 133.859100, 134.356400, 134.853700, |
| 2093 | 135.351000, 135.848300, 136.345600, 136.842900, 137.340200, 137.837500, |
| 2094 | 138.334800, 138.832100, 139.329400, 139.826700, 140.324000, 140.821300, |
| 2095 | 141.318600, 141.815900, 142.313200, 142.810500, 143.307800, 143.805100, |
| 2096 | 144.302400, 144.799700, 145.297000, 145.794300, 146.291600, 146.788900, |
| 2097 | 147.286200, 147.783500, 148.280800, 148.778100, 149.275400, 149.772700, |
| 2098 | 150.270000, 150.767300, 151.264600, 151.761900, 152.259200, 152.756500, |
| 2099 | 153.253800, 153.751100, 154.248400, 154.745700, 155.243000, 155.740300, |
| 2100 | 156.237600, 156.734900, 157.232200, 157.729500, 158.226800, 158.724100, |
| 2101 | 159.221400, 159.718700, 160.216000, 160.713300, 161.210600, 161.707900, |
| 2102 | 162.205200, 162.702500, 163.199800, 163.697100, 164.194400, 164.691700, |
| 2103 | 165.189000, 165.686300, 166.183600, 166.680900, 167.178200, 167.675500, |
| 2104 | 168.172800, 168.670100, 169.167400, 169.664700, 170.162000, 170.659300, |
| 2105 | 171.156600, 171.653900, 172.151200, 172.648500, 173.145800, 173.643100, |
| 2106 | 174.140400, 174.637700, 175.135000, 175.632300, 176.129600, 176.626900, |
| 2107 | 177.124200, 177.621500, 178.118800, 178.616100, 179.113400, 179.610700, |
| 2108 | 180.108000, 180.605300, 181.102600, 181.599900, 182.097200, 182.594500, |
| 2109 | 183.091800, 183.589100, 184.086400, 184.583700, 185.081000, 185.578300, |
| 2110 | 186.075600, 186.572900, 187.070200, 187.567500, 188.064800, 188.562100, |
| 2111 | 189.059400, 189.556700, 190.054000, 190.551300, 191.048600, 191.545900, |
| 2112 | 192.043200, 192.540500, 193.037800, 193.535100, 194.032400, 194.529700, |
| 2113 | 195.027000, 195.524300, 196.021600, 196.518900, 197.016200, 197.513500, |
| 2114 | 198.010800, 198.508100, 199.005400, 199.502700, 200.000000}; |
| 2115 | Double_t w[]={ |
| 2116 | 1.000000, 0.692593, 0.673384, 0.666273, 0.657285, 0.637723, |
| 2117 | 0.625881, 0.643590, 0.606100, 0.589007, 0.567824, 0.578705, |
| 2118 | 0.538530, 0.517937, 0.528278, 0.515918, 0.539461, 0.466186, |
| 2119 | 0.489869, 0.468402, 0.465017, 0.453336, 0.460769, 0.474638, |
| 2120 | 0.456347, 0.434471, 0.427478, 0.435435, 0.410934, 0.366431, |
| 2121 | 0.382240, 0.379513, 0.394249, 0.386837, 0.353103, 0.382138, |
| 2122 | 0.377497, 0.389479, 0.378736, 0.347933, 0.354605, 0.352077, |
| 2123 | 0.324443, 0.358792, 0.339968, 0.359052, 0.330734, 0.318291, |
| 2124 | 0.333703, 0.358644, 0.335819, 0.332213, 0.309051, 0.309975, |
| 2125 | 0.331626, 0.304407, 0.309819, 0.312097, 0.312462, 0.320411, |
| 2126 | 0.280401, 0.302311, 0.315863, 0.281479, 0.310003, 0.296911, |
| 2127 | 0.313676, 0.281071, 0.294163, 0.306500, 0.283462, 0.274867, |
| 2128 | 0.307149, 0.270555, 0.282264, 0.287373, 0.307849, 0.278675, |
| 2129 | 0.286990, 0.278269, 0.300105, 0.286799, 0.265674, 0.275140, |
| 2130 | 0.285702, 0.257352, 0.267714, 0.248204, 0.252220, 0.255678, |
| 2131 | 0.282946, 0.268257, 0.282375, 0.262675, 0.275564, 0.248345, |
| 2132 | 0.236259, 0.291914, 0.259936, 0.241338, 0.267389, 0.285044, |
| 2133 | 0.289419, 0.253594, 0.284568, 0.231840, 0.260008, 0.268527, |
| 2134 | 0.275363, 0.224115, 0.281260, 0.257913, 0.295152, 0.264399, |
| 2135 | 0.232287, 0.282533, 0.223431, 0.255756, 0.244471, 0.221695, |
| 2136 | 0.272450, 0.284244, 0.253682, 0.270717, 0.275403, 0.240323, |
| 2137 | 0.245081, 0.241859, 0.216340, 0.244789, 0.220291, 0.238478, |
| 2138 | 0.224691, 0.244058, 0.266117, 0.271478, 0.242012, 0.267321, |
| 2139 | 0.248494, 0.253343, 0.255606, 0.235458, 0.241079, 0.233223, |
| 2140 | 0.226813, 0.259224, 0.234239, 0.258606, 0.210892, 0.238186, |
| 2141 | 0.243271, 0.222678, 0.213437, 0.273939, 0.247966, 0.232548, |
| 2142 | 0.263438, 0.222089, 0.272111, 0.248818, 0.244295, 0.238368, |
| 2143 | 0.236908, 0.248776, 0.232604, 0.231194, 0.227117, 0.231152, |
| 2144 | 0.282140, 0.229778, 0.232631, 0.261794, 0.216633, 0.253471, |
| 2145 | 0.242157, 0.227406, 0.269335, 0.230547, 0.210618, 0.285872, |
| 2146 | 0.248776, 0.229875, 0.242728, 0.227388, 0.220567, 0.222062, |
| 2147 | 0.235950, 0.224087, 0.228895, 0.208287, 0.235999, 0.208696, |
| 2148 | 0.230367, 0.267667, 0.220484, 0.233402, 0.233815, 0.250455, |
| 2149 | 0.253120, 0.219556, 0.230980, 0.236661, 0.222395, 0.226111, |
| 2150 | 0.198315, 0.210555, 0.202813, 0.208594, 0.235976, 0.221490, |
| 2151 | 0.243059, 0.204901, 0.216987, 0.229039, 0.231466, 0.221975, |
| 2152 | 0.231220, 0.253638, 0.250448, 0.260291, 0.328345, 0.205739, |
| 2153 | 0.222014, 0.251513, 0.279427, 0.270506, 0.248409, 0.222472, |
| 2154 | 0.291632, 0.227796, 0.248769, 0.276896, 0.214742, 0.200139, |
| 2155 | 0.230693, 0.226031, 0.268900, 0.185160, 0.245353, 0.205843, |
| 2156 | 0.231155, 0.219122, 0.214811, 0.199763, 0.274179, 0.217598, |
| 2157 | 0.274988, 0.237244, 0.211820, 0.225459, 0.252799, 0.235948, |
| 2158 | 0.224986, 0.245385, 0.237770, 0.213373, 0.229737, 0.215487, |
| 2159 | 0.234453, 0.249684, 0.239435, 0.250422, 0.257194, 0.214762, |
| 2160 | 0.212266, 0.228988, 0.253798, 0.201607, 0.239946, 0.205245, |
| 2161 | 0.231670, 0.212774, 0.206768, 0.231563, 0.189388, 0.227926, |
| 2162 | 0.227203, 0.237754, 0.221628, 0.211138, 0.203322, 0.200985, |
| 2163 | 0.231780, 0.220294, 0.232686, 0.234243, 0.218264, 0.255870, |
| 2164 | 0.223213, 0.238670, 0.213713, 0.213064, 0.246700, 0.233446, |
| 2165 | 0.221503, 0.206767, 0.200722, 0.226179, 0.237425, 0.239229, |
| 2166 | 0.238611, 0.240419, 0.247806, 0.215923, 0.205298, 0.232778, |
| 2167 | 0.272312, 0.226773, 0.258103, 0.223287, 0.269404, 0.203398, |
| 2168 | 0.223782, 0.204213, 0.229664, 0.234040, 0.228419, 0.203936, |
| 2169 | 0.263686, 0.199141, 0.236127, 0.214058, 0.204611, 0.224324, |
| 2170 | 0.292140, 0.190735, 0.235157, 0.213018, 0.257085, 0.190554, |
| 2171 | 0.203197, 0.213044, 0.237023, 0.214243, 0.193562, 0.262403, |
| 2172 | 0.206256, 0.221396, 0.233588, 0.256611, 0.249731, 0.226683, |
| 2173 | 0.199330, 0.251026, 0.222596, 0.201941, 0.186374, 0.221038, |
| 2174 | 0.196555, 0.222560, 0.299419, 0.231979, 0.242924, 0.198310, |
| 2175 | 0.217628, 0.235458, 0.278595, 0.218624, 0.277305, 0.239109, |
| 2176 | 0.205600, 0.253715, 0.221173, 0.218195, 0.277647, 0.241974, |
| 2177 | 0.268748, 0.268128, 0.292258, 0.249420, 0.191034, 0.219506, |
| 2178 | 0.216502, 0.250677, 0.193386, 0.201310, 0.259464, 0.255351, |
| 2179 | 0.269628, 0.221063, 0.294079, 0.196726, 0.233634, 0.221870, |
| 2180 | 0.216236, 0.197259, 0.247433, 0.272765, 0.294079, 0.236336, |
| 2181 | 0.206396, 0.238524, 0.247846, 0.269519, 0.237141, 0.230611, |
| 2182 | 0.201712, 0.242225, 0.255565, 0.258738}; |
| 2183 | wDD = 0.512813; |
| 2184 | wND = 0.518820; |
| 2185 | wSD = -1; |
| 2186 | |
| 2187 | Mmin = bin[0]; |
| 2188 | Mmax = bin[nbin]; |
| 2189 | if(M<Mmin || M>Mmax) return kTRUE; |
| 800be8b7 |
2190 | |
| c5dfa3e4 |
2191 | Int_t ibin=nbin-1; |
| 2192 | for(Int_t i=1; i<=nbin; i++) |
| 2193 | if(M<=bin[i]) { |
| 2194 | ibin=i-1; |
| 2195 | // printf("Mi> %f && Mi< %f\n", bin[i-1], bin[i]); |
| 2196 | break; |
| 2197 | } |
| 2198 | wSD=w[ibin]; |
| 2199 | return kTRUE; |
| 2200 | } |
| 800be8b7 |
2201 | |
| 800be8b7 |
2202 | |
| c5dfa3e4 |
2203 | else if(TMath::Abs(fEnergyCMS-7000)<1 ){ |
| 2204 | const Int_t nbin=400; |
| 2205 | Double_t bin[]={ |
| 2206 | 1.080000, 1.577300, 2.074600, 2.571900, 3.069200, 3.566500, |
| 2207 | 4.063800, 4.561100, 5.058400, 5.555700, 6.053000, 6.550300, |
| 2208 | 7.047600, 7.544900, 8.042200, 8.539500, 9.036800, 9.534100, |
| 2209 | 10.031400, 10.528700, 11.026000, 11.523300, 12.020600, 12.517900, |
| 2210 | 13.015200, 13.512500, 14.009800, 14.507100, 15.004400, 15.501700, |
| 2211 | 15.999000, 16.496300, 16.993600, 17.490900, 17.988200, 18.485500, |
| 2212 | 18.982800, 19.480100, 19.977400, 20.474700, 20.972000, 21.469300, |
| 2213 | 21.966600, 22.463900, 22.961200, 23.458500, 23.955800, 24.453100, |
| 2214 | 24.950400, 25.447700, 25.945000, 26.442300, 26.939600, 27.436900, |
| 2215 | 27.934200, 28.431500, 28.928800, 29.426100, 29.923400, 30.420700, |
| 2216 | 30.918000, 31.415300, 31.912600, 32.409900, 32.907200, 33.404500, |
| 2217 | 33.901800, 34.399100, 34.896400, 35.393700, 35.891000, 36.388300, |
| 2218 | 36.885600, 37.382900, 37.880200, 38.377500, 38.874800, 39.372100, |
| 2219 | 39.869400, 40.366700, 40.864000, 41.361300, 41.858600, 42.355900, |
| 2220 | 42.853200, 43.350500, 43.847800, 44.345100, 44.842400, 45.339700, |
| 2221 | 45.837000, 46.334300, 46.831600, 47.328900, 47.826200, 48.323500, |
| 2222 | 48.820800, 49.318100, 49.815400, 50.312700, 50.810000, 51.307300, |
| 2223 | 51.804600, 52.301900, 52.799200, 53.296500, 53.793800, 54.291100, |
| 2224 | 54.788400, 55.285700, 55.783000, 56.280300, 56.777600, 57.274900, |
| 2225 | 57.772200, 58.269500, 58.766800, 59.264100, 59.761400, 60.258700, |
| 2226 | 60.756000, 61.253300, 61.750600, 62.247900, 62.745200, 63.242500, |
| 2227 | 63.739800, 64.237100, 64.734400, 65.231700, 65.729000, 66.226300, |
| 2228 | 66.723600, 67.220900, 67.718200, 68.215500, 68.712800, 69.210100, |
| 2229 | 69.707400, 70.204700, 70.702000, 71.199300, 71.696600, 72.193900, |
| 2230 | 72.691200, 73.188500, 73.685800, 74.183100, 74.680400, 75.177700, |
| 2231 | 75.675000, 76.172300, 76.669600, 77.166900, 77.664200, 78.161500, |
| 2232 | 78.658800, 79.156100, 79.653400, 80.150700, 80.648000, 81.145300, |
| 2233 | 81.642600, 82.139900, 82.637200, 83.134500, 83.631800, 84.129100, |
| 2234 | 84.626400, 85.123700, 85.621000, 86.118300, 86.615600, 87.112900, |
| 2235 | 87.610200, 88.107500, 88.604800, 89.102100, 89.599400, 90.096700, |
| 2236 | 90.594000, 91.091300, 91.588600, 92.085900, 92.583200, 93.080500, |
| 2237 | 93.577800, 94.075100, 94.572400, 95.069700, 95.567000, 96.064300, |
| 2238 | 96.561600, 97.058900, 97.556200, 98.053500, 98.550800, 99.048100, |
| 2239 | 99.545400, 100.042700, 100.540000, 101.037300, 101.534600, 102.031900, |
| 2240 | 102.529200, 103.026500, 103.523800, 104.021100, 104.518400, 105.015700, |
| 2241 | 105.513000, 106.010300, 106.507600, 107.004900, 107.502200, 107.999500, |
| 2242 | 108.496800, 108.994100, 109.491400, 109.988700, 110.486000, 110.983300, |
| 2243 | 111.480600, 111.977900, 112.475200, 112.972500, 113.469800, 113.967100, |
| 2244 | 114.464400, 114.961700, 115.459000, 115.956300, 116.453600, 116.950900, |
| 2245 | 117.448200, 117.945500, 118.442800, 118.940100, 119.437400, 119.934700, |
| 2246 | 120.432000, 120.929300, 121.426600, 121.923900, 122.421200, 122.918500, |
| 2247 | 123.415800, 123.913100, 124.410400, 124.907700, 125.405000, 125.902300, |
| 2248 | 126.399600, 126.896900, 127.394200, 127.891500, 128.388800, 128.886100, |
| 2249 | 129.383400, 129.880700, 130.378000, 130.875300, 131.372600, 131.869900, |
| 2250 | 132.367200, 132.864500, 133.361800, 133.859100, 134.356400, 134.853700, |
| 2251 | 135.351000, 135.848300, 136.345600, 136.842900, 137.340200, 137.837500, |
| 2252 | 138.334800, 138.832100, 139.329400, 139.826700, 140.324000, 140.821300, |
| 2253 | 141.318600, 141.815900, 142.313200, 142.810500, 143.307800, 143.805100, |
| 2254 | 144.302400, 144.799700, 145.297000, 145.794300, 146.291600, 146.788900, |
| 2255 | 147.286200, 147.783500, 148.280800, 148.778100, 149.275400, 149.772700, |
| 2256 | 150.270000, 150.767300, 151.264600, 151.761900, 152.259200, 152.756500, |
| 2257 | 153.253800, 153.751100, 154.248400, 154.745700, 155.243000, 155.740300, |
| 2258 | 156.237600, 156.734900, 157.232200, 157.729500, 158.226800, 158.724100, |
| 2259 | 159.221400, 159.718700, 160.216000, 160.713300, 161.210600, 161.707900, |
| 2260 | 162.205200, 162.702500, 163.199800, 163.697100, 164.194400, 164.691700, |
| 2261 | 165.189000, 165.686300, 166.183600, 166.680900, 167.178200, 167.675500, |
| 2262 | 168.172800, 168.670100, 169.167400, 169.664700, 170.162000, 170.659300, |
| 2263 | 171.156600, 171.653900, 172.151200, 172.648500, 173.145800, 173.643100, |
| 2264 | 174.140400, 174.637700, 175.135000, 175.632300, 176.129600, 176.626900, |
| 2265 | 177.124200, 177.621500, 178.118800, 178.616100, 179.113400, 179.610700, |
| 2266 | 180.108000, 180.605300, 181.102600, 181.599900, 182.097200, 182.594500, |
| 2267 | 183.091800, 183.589100, 184.086400, 184.583700, 185.081000, 185.578300, |
| 2268 | 186.075600, 186.572900, 187.070200, 187.567500, 188.064800, 188.562100, |
| 2269 | 189.059400, 189.556700, 190.054000, 190.551300, 191.048600, 191.545900, |
| 2270 | 192.043200, 192.540500, 193.037800, 193.535100, 194.032400, 194.529700, |
| 2271 | 195.027000, 195.524300, 196.021600, 196.518900, 197.016200, 197.513500, |
| 2272 | 198.010800, 198.508100, 199.005400, 199.502700, 200.000000}; |
| 2273 | Double_t w[]={ |
| 2274 | 1.000000, 0.798640, 0.770197, 0.717990, 0.699434, 0.692093, |
| 2275 | 0.620940, 0.655294, 0.636496, 0.633483, 0.600518, 0.594548, |
| 2276 | 0.550759, 0.550413, 0.528926, 0.525877, 0.506701, 0.504117, |
| 2277 | 0.486973, 0.492930, 0.461833, 0.488695, 0.438874, 0.460274, |
| 2278 | 0.451551, 0.454424, 0.449270, 0.387571, 0.427556, 0.428740, |
| 2279 | 0.401682, 0.402260, 0.408961, 0.395417, 0.387426, 0.378602, |
| 2280 | 0.357826, 0.359125, 0.348494, 0.363710, 0.356117, 0.340363, |
| 2281 | 0.337637, 0.396084, 0.341777, 0.340551, 0.348838, 0.344014, |
| 2282 | 0.340468, 0.317654, 0.355584, 0.326023, 0.373416, 0.312298, |
| 2283 | 0.326522, 0.290540, 0.335557, 0.318689, 0.327544, 0.319501, |
| 2284 | 0.331754, 0.312728, 0.282263, 0.274937, 0.303867, 0.307820, |
| 2285 | 0.289344, 0.268934, 0.288908, 0.290018, 0.291369, 0.295242, |
| 2286 | 0.289067, 0.277685, 0.267957, 0.267559, 0.320229, 0.265060, |
| 2287 | 0.305931, 0.305352, 0.262064, 0.281879, 0.287780, 0.270033, |
| 2288 | 0.270814, 0.276667, 0.271531, 0.275283, 0.258189, 0.287969, |
| 2289 | 0.251247, 0.301527, 0.267230, 0.245860, 0.293125, 0.253421, |
| 2290 | 0.272396, 0.243637, 0.236206, 0.278452, 0.246544, 0.263165, |
| 2291 | 0.230484, 0.231102, 0.258281, 0.244707, 0.270111, 0.248295, |
| 2292 | 0.246942, 0.245592, 0.272766, 0.254243, 0.199647, 0.262590, |
| 2293 | 0.226710, 0.243836, 0.214153, 0.233535, 0.235207, 0.234245, |
| 2294 | 0.247698, 0.248379, 0.241463, 0.265230, 0.223242, 0.236191, |
| 2295 | 0.252700, 0.231865, 0.228352, 0.229101, 0.237385, 0.246485, |
| 2296 | 0.254706, 0.245565, 0.224841, 0.257301, 0.240968, 0.202379, |
| 2297 | 0.236943, 0.241683, 0.220809, 0.219014, 0.213015, 0.244470, |
| 2298 | 0.221042, 0.198996, 0.225295, 0.264466, 0.200600, 0.228143, |
| 2299 | 0.250138, 0.216784, 0.268002, 0.275734, 0.218144, 0.229866, |
| 2300 | 0.235443, 0.208909, 0.215067, 0.189743, 0.216741, 0.242686, |
| 2301 | 0.200234, 0.218882, 0.245991, 0.222815, 0.219576, 0.209773, |
| 2302 | 0.205247, 0.203855, 0.202534, 0.192536, 0.223447, 0.225810, |
| 2303 | 0.220583, 0.248421, 0.223424, 0.206033, 0.203130, 0.221225, |
| 2304 | 0.223763, 0.239216, 0.252311, 0.206893, 0.228461, 0.233591, |
| 2305 | 0.201512, 0.242382, 0.215147, 0.232578, 0.207116, 0.239213, |
| 2306 | 0.196215, 0.184367, 0.235135, 0.189768, 0.274084, 0.206267, |
| 2307 | 0.203283, 0.248828, 0.250214, 0.217465, 0.232080, 0.215150, |
| 2308 | 0.207936, 0.176789, 0.191338, 0.188655, 0.196181, 0.223691, |
| 2309 | 0.254257, 0.216874, 0.213536, 0.221399, 0.192024, 0.212534, |
| 2310 | 0.218169, 0.226635, 0.201191, 0.212700, 0.211634, 0.232353, |
| 2311 | 0.223636, 0.208605, 0.249132, 0.183681, 0.221842, 0.187136, |
| 2312 | 0.203772, 0.249575, 0.217713, 0.205193, 0.193941, 0.219707, |
| 2313 | 0.264226, 0.182105, 0.207183, 0.220845, 0.236571, 0.182390, |
| 2314 | 0.212914, 0.186266, 0.195361, 0.217665, 0.204527, 0.188804, |
| 2315 | 0.222832, 0.191193, 0.201073, 0.185616, 0.195011, 0.200828, |
| 2316 | 0.181434, 0.233707, 0.202925, 0.211992, 0.173100, 0.205258, |
| 2317 | 0.182695, 0.216520, 0.218422, 0.209490, 0.211257, 0.215801, |
| 2318 | 0.220652, 0.211409, 0.195731, 0.194957, 0.198888, 0.234926, |
| 2319 | 0.221377, 0.229822, 0.176700, 0.172322, 0.212265, 0.206133, |
| 2320 | 0.170355, 0.253305, 0.198688, 0.240043, 0.225384, 0.174729, |
| 2321 | 0.195820, 0.200093, 0.196912, 0.212308, 0.200490, 0.240415, |
| 2322 | 0.159744, 0.173686, 0.223853, 0.213604, 0.193779, 0.179328, |
| 2323 | 0.180873, 0.237481, 0.179640, 0.235857, 0.202847, 0.167690, |
| 2324 | 0.245093, 0.215504, 0.205848, 0.184408, 0.201626, 0.209651, |
| 2325 | 0.236306, 0.217803, 0.188534, 0.187861, 0.161663, 0.221718, |
| 2326 | 0.152044, 0.190412, 0.173505, 0.208995, 0.174575, 0.180734, |
| 2327 | 0.247704, 0.203388, 0.194184, 0.169679, 0.182703, 0.213402, |
| 2328 | 0.191808, 0.178604, 0.178116, 0.198452, 0.174687, 0.169809, |
| 2329 | 0.222851, 0.156811, 0.229170, 0.210359, 0.178557, 0.248570, |
| 2330 | 0.208536, 0.192571, 0.178912, 0.224505, 0.170822, 0.205492, |
| 2331 | 0.330973, 0.160924, 0.203724, 0.213255, 0.205827, 0.187162, |
| 2332 | 0.181252, 0.191723, 0.238106, 0.182398, 0.202358, 0.212066, |
| 2333 | 0.201255, 0.168159, 0.185219, 0.229176, 0.158222, 0.164092, |
| 2334 | 0.215405, 0.200724, 0.234811, 0.184488, 0.213112, 0.198577, |
| 2335 | 0.219622, 0.160671, 0.179349, 0.206681, 0.206091, 0.165618, |
| 2336 | 0.165203, 0.174442, 0.179287, 0.187318, 0.163481, 0.217440, |
| 2337 | 0.160381, 0.177025, 0.204385, 0.163676, 0.210733, 0.186519, |
| 2338 | 0.230701, 0.191764, 0.185119, 0.190770, 0.242987, 0.186812, |
| 2339 | 0.202906, 0.161935, 0.182426, 0.197922, 0.181475, 0.155903, |
| 2340 | 0.175006, 0.223482, 0.202706, 0.218108}; |
| 2341 | wDD = 0.207705; |
| 2342 | wND = 0.289628; |
| 2343 | wSD = -1; |
| 2344 | |
| 2345 | Mmin = bin[0]; |
| 2346 | Mmax = bin[nbin]; |
| 2347 | |
| 2348 | if(M<Mmin || M>Mmax) return kTRUE; |
| 800be8b7 |
2349 | |
| c5dfa3e4 |
2350 | Int_t ibin=nbin-1; |
| 2351 | for(Int_t i=1; i<=nbin; i++) |
| 2352 | if(M<=bin[i]) { |
| 2353 | ibin=i-1; |
| 2354 | // printf("Mi> %f && Mi< %f\n", bin[i-1], bin[i]); |
| 2355 | break; |
| 2356 | } |
| 2357 | wSD=w[ibin]; |
| 800be8b7 |
2358 | return kTRUE; |
| c5dfa3e4 |
2359 | } |
| 2360 | |
| 2361 | return kFALSE; |
| 800be8b7 |
2362 | } |
| 06956108 |
2363 | |
| 2364 | Bool_t AliGenPythia::IsFromHeavyFlavor(Int_t ipart) |
| 2365 | { |
| 2366 | // Check if this is a heavy flavor decay product |
| 2367 | TParticle * part = (TParticle *) fParticles.At(ipart); |
| 2368 | Int_t mpdg = TMath::Abs(part->GetPdgCode()); |
| 2369 | Int_t mfl = Int_t (mpdg / TMath::Power(10, Int_t(TMath::Log10(mpdg)))); |
| 2370 | // |
| 2371 | // Light hadron |
| 2372 | if (mfl >= 4 && mfl < 6) return kTRUE; |
| 2373 | |
| 2374 | Int_t imo = part->GetFirstMother()-1; |
| 2375 | TParticle* pm = part; |
| 2376 | // |
| 2377 | // Heavy flavor hadron produced by generator |
| 2378 | while (imo > -1) { |
| 2379 | pm = (TParticle*)fParticles.At(imo); |
| 2380 | mpdg = TMath::Abs(pm->GetPdgCode()); |
| 2381 | mfl = Int_t (mpdg / TMath::Power(10, Int_t(TMath::Log10(mpdg)))); |
| 2382 | if ((mfl > 3) && (mfl <6) && mpdg > 400) return kTRUE; |
| 2383 | imo = pm->GetFirstMother()-1; |
| 2384 | } |
| 2385 | return kFALSE; |
| 2386 | } |
| 40fe59d4 |
2387 | |
| e81f2bac |
2388 | Bool_t AliGenPythia::CheckDetectorAcceptance(Float_t phi, Float_t eta, Int_t iparticle) |
| 40fe59d4 |
2389 | { |
| 2390 | // check the eta/phi correspond to the detectors acceptance |
| 2391 | // iparticle is the index of the particle to be checked, for PHOS rotation case |
| 2392 | if (fCheckPHOS && IsInPHOS (phi,eta,iparticle)) return kTRUE; |
| 2393 | else if(fCheckEMCAL && IsInEMCAL (phi,eta)) return kTRUE; |
| 2394 | else if(fCheckBarrel && IsInBarrel( eta)) return kTRUE; |
| 2395 | else return kFALSE; |
| 2396 | } |
| 2397 | |
| e81f2bac |
2398 | Bool_t AliGenPythia::TriggerOnSelectedParticles(Int_t np) |
| 40fe59d4 |
2399 | { |
| 2400 | // Select events with fragmentation photon, decay photon, pi0, eta or other hadrons going to PHOS or EMCAL or central barrel, |
| 2401 | // implemented primaryly for kPyJets, but extended to any kind of process. |
| 2402 | |
| 2403 | //printf("Check: frag photon %d, pi0 %d, eta %d, electron %d, hadron %d, decay %d, PHOS %d, EMCAL %d, Barrel %d \n", |
| 2404 | // fFragPhotonInCalo,fPi0InCalo, fEtaInCalo,fEleInCalo,fHadronInCalo,fDecayPhotonInCalo,fCheckPHOS,fCheckEMCAL, fCheckBarrel); |
| 2405 | |
| 2406 | Bool_t ok = kFALSE; |
| 2407 | for (Int_t i=0; i< np; i++) { |
| 2408 | |
| 2409 | TParticle* iparticle = (TParticle *) fParticles.At(i); |
| 2410 | |
| 2411 | Int_t pdg = iparticle->GetPdgCode(); |
| 2412 | Int_t status = iparticle->GetStatusCode(); |
| 2413 | Int_t imother = iparticle->GetFirstMother() - 1; |
| 2414 | |
| 2415 | TParticle* pmother = 0x0; |
| 2416 | Int_t momStatus = -1; |
| 2417 | Int_t momPdg = -1; |
| 2418 | if(imother > 0 ){ |
| 2419 | pmother = (TParticle *) fParticles.At(imother); |
| 2420 | momStatus = pmother->GetStatusCode(); |
| 2421 | momPdg = pmother->GetPdgCode(); |
| 2422 | } |
| 2423 | |
| 2424 | ok = kFALSE; |
| 2425 | |
| 2426 | // |
| 2427 | // Check the particle type: hadron (not pi0 or eta), electron, decay photon (from pi0 or eta or any), pi0 or eta |
| 2428 | // |
| 2429 | // Hadron |
| 2430 | if (fHadronInCalo && status == 1) |
| 2431 | { |
| 2432 | if(TMath::Abs(pdg) > 23 && pdg !=221 && pdg != 111) // avoid photons, electrons, muons, neutrinos and eta or pi0 |
| 2433 | // (in case neutral mesons were declared stable) |
| 2434 | ok = kTRUE; |
| 2435 | } |
| 2436 | //Electron |
| 2437 | else if (fEleInCalo && status == 1 && TMath::Abs(pdg) == 11) |
| 2438 | { |
| 2439 | ok = kTRUE; |
| 2440 | } |
| 2441 | //Fragmentation photon |
| 2442 | else if (fFragPhotonInCalo && pdg == 22 && status == 1) |
| 2443 | { |
| 2444 | if(momStatus != 11) ok = kTRUE ; // No photon from hadron decay |
| 2445 | } |
| 2446 | // Decay photon |
| 2447 | else if (fDecayPhotonInCalo && !fForceNeutralMeson2PhotonDecay && pdg == 22) // pi0 status can be 1 or 11 depending on decay settings, work only for 11 |
| 2448 | { |
| 2449 | if( momStatus == 11) |
| 2450 | { |
| 2451 | //if(iparticle->Pt() > fTriggerParticleMinPt) printf("Decay photon! pdg %d, status %d, pt %2.2f, mom: pdg %d, pt %2.2f\n", |
| 2452 | // pdg,status,iparticle->Pt(),momPdg,pmother->Pt()); |
| 2453 | ok = kTRUE ; // photon from hadron decay |
| 2454 | |
| 2455 | //In case only decays from pi0 or eta requested |
| 2456 | if(fPi0InCalo && momPdg!=111) ok = kFALSE; |
| 2457 | if(fEtaInCalo && momPdg!=221) ok = kFALSE; |
| 2458 | } |
| 2459 | |
| 2460 | } |
| 2461 | // Pi0 or Eta particle |
| 2462 | else if ((fPi0InCalo || fEtaInCalo)) |
| 2463 | { |
| 2464 | if(fDecayPhotonInCalo && !fForceNeutralMeson2PhotonDecay ) continue ; |
| 2465 | |
| 2466 | if (fPi0InCalo && pdg == 111) // pi0 status can be 1 or 11 depending on decay settings |
| 2467 | { |
| 2468 | //if(iparticle->Pt() > fTriggerParticleMinPt) printf("Pi0! pdg %d, status %d, pt %2.2f\n",pdg,status,iparticle->Pt()); |
| 2469 | ok = kTRUE; |
| 2470 | } |
| 2471 | else if (fEtaInCalo && pdg == 221) |
| 2472 | { |
| 2473 | //if(iparticle->Pt() > fTriggerParticleMinPt) printf("Eta! pdg %d, status %d, pt %2.2f\n",pdg,status,iparticle->Pt()); |
| 2474 | ok = kTRUE; |
| 2475 | } |
| 2476 | |
| 2477 | }// pi0 or eta |
| 2478 | |
| 2479 | // |
| 2480 | // Check that the selected particle is in the calorimeter acceptance |
| 2481 | // |
| 2482 | if(ok && iparticle->Pt() > fTriggerParticleMinPt) |
| 2483 | { |
| 2484 | //Just check if the selected particle falls in the acceptance |
| 2485 | if(!fForceNeutralMeson2PhotonDecay ) |
| 2486 | { |
| 2487 | //printf("\t Check acceptance! \n"); |
| 2488 | Float_t phi = iparticle->Phi()*180./TMath::Pi(); //Convert to degrees |
| 2489 | Float_t eta =TMath::Abs(iparticle->Eta()); //in calos etamin=-etamax |
| 2490 | |
| 2491 | if(CheckDetectorAcceptance(phi,eta,i)) |
| 2492 | { |
| 2493 | ok =kTRUE; |
| 2494 | AliDebug(1,Form("Selected trigger pdg %d, status %d, pt %2.2f, eta %2.2f, phi %2.2f\n",pdg,status,iparticle->Pt(), eta, phi)); |
| 2495 | //printf("\t Accept \n"); |
| 2496 | break; |
| 2497 | } |
| 2498 | else ok = kFALSE; |
| 2499 | } |
| 2500 | //Mesons have several decay modes, select only those decaying into 2 photons |
| 2501 | else if(fForceNeutralMeson2PhotonDecay && (fPi0InCalo || fEtaInCalo)) |
| 2502 | { |
| 2503 | // In case we want the pi0/eta trigger, |
| 2504 | // check the decay mode (2 photons) |
| 2505 | |
| 2506 | //printf("\t Force decay 2 gamma\n"); |
| 2507 | |
| 2508 | Int_t ndaughters = iparticle->GetNDaughters(); |
| 2509 | if(ndaughters != 2){ |
| 2510 | ok=kFALSE; |
| 2511 | continue; |
| 2512 | } |
| 2513 | |
| 2514 | TParticle*d1 = (TParticle *) fParticles.At(iparticle->GetDaughter(0)-1); |
| 2515 | TParticle*d2 = (TParticle *) fParticles.At(iparticle->GetDaughter(1)-1); |
| 2516 | if(!d1 || !d2) { |
| 2517 | ok=kFALSE; |
| 2518 | continue; |
| 2519 | } |
| 2520 | |
| 2521 | //iparticle->Print(); |
| 2522 | //d1->Print(); |
| 2523 | //d2->Print(); |
| 2524 | |
| 2525 | Int_t pdgD1 = d1->GetPdgCode(); |
| 2526 | Int_t pdgD2 = d2->GetPdgCode(); |
| 2527 | //printf("\t \t 2 daughters pdg = %d - %d\n",pdgD1,pdgD2); |
| 2528 | //printf("mother %d - %d\n",d1->GetFirstMother(),d2->GetFirstMother()); |
| 2529 | |
| 2530 | if(pdgD1 != 22 || pdgD2 != 22){ |
| 2531 | ok = kFALSE; |
| 2532 | continue; |
| 2533 | } |
| 2534 | |
| 2535 | //printf("\t accept decay\n"); |
| 2536 | |
| 2537 | //Trigger on the meson, not on the daughter |
| 2538 | if(!fDecayPhotonInCalo){ |
| 2539 | |
| 2540 | Float_t phi = iparticle->Phi()*180./TMath::Pi(); //Convert to degrees |
| 2541 | Float_t eta =TMath::Abs(iparticle->Eta()); //in calos etamin=-etamax |
| 2542 | |
| 2543 | if(CheckDetectorAcceptance(phi,eta,i)) |
| 2544 | { |
| 2545 | //printf("\t Accept meson pdg %d\n",pdg); |
| 2546 | ok =kTRUE; |
| 2547 | AliDebug(1,Form("Selected trigger pdg %d (decay), status %d, pt %2.2f, eta %2.2f, phi %2.2f\n",pdg,status,iparticle->Pt(), eta, phi)); |
| 2548 | break; |
| 2549 | } else { |
| 2550 | ok=kFALSE; |
| 2551 | continue; |
| 2552 | } |
| 2553 | } |
| 2554 | |
| 2555 | //printf("Check daughters acceptance\n"); |
| 2556 | |
| 2557 | //Trigger on the meson daughters |
| 2558 | //Photon 1 |
| 2559 | Float_t phi = d1->Phi()*180./TMath::Pi(); //Convert to degrees |
| 2560 | Float_t eta =TMath::Abs(d1->Eta()); //in calos etamin=-etamax |
| 2561 | if(d1->Pt() > fTriggerParticleMinPt) |
| 2562 | { |
| 2563 | //printf("\t Check acceptance photon 1! \n"); |
| 2564 | if(CheckDetectorAcceptance(phi,eta,i)) |
| 2565 | { |
| 2566 | //printf("\t Accept Photon 1\n"); |
| 2567 | ok =kTRUE; |
| 2568 | AliDebug(1,Form("Selected trigger pdg %d (decay), status %d, pt %2.2f, eta %2.2f, phi %2.2f\n",pdg,status,iparticle->Pt(), eta, phi)); |
| 2569 | break; |
| 2570 | } |
| 2571 | else ok = kFALSE; |
| 2572 | } // pt cut |
| 2573 | else ok = kFALSE; |
| 2574 | |
| 2575 | //Photon 2 |
| 2576 | phi = d2->Phi()*180./TMath::Pi(); //Convert to degrees |
| 2577 | eta =TMath::Abs(d2->Eta()); //in calos etamin=-etamax |
| 2578 | |
| 2579 | if(d2->Pt() > fTriggerParticleMinPt) |
| 2580 | { |
| 2581 | //printf("\t Check acceptance photon 2! \n"); |
| 2582 | if(CheckDetectorAcceptance(phi,eta,i)) |
| 2583 | { |
| 2584 | //printf("\t Accept Photon 2\n"); |
| 2585 | ok =kTRUE; |
| 2586 | AliDebug(1,Form("Selected trigger pdg %d (decay), status %d, pt %2.2f, eta %2.2f, phi %2.2f\n",pdg,status,iparticle->Pt(), eta, phi)); |
| 2587 | break; |
| 2588 | } |
| 2589 | else ok = kFALSE; |
| 2590 | } // pt cut |
| 2591 | else ok = kFALSE; |
| 2592 | } // force 2 photon daughters in pi0/eta decays |
| 2593 | else ok = kFALSE; |
| 2594 | } else ok = kFALSE; // check acceptance |
| 2595 | } // primary loop |
| 2596 | |
| 2597 | // |
| 2598 | // If requested, rotate the particles event in phi to enhance/speed PHOS selection |
| 2599 | // A particle passing all trigger conditions except phi position in PHOS, is used as reference |
| 2600 | // |
| 2601 | if(fCheckPHOSeta) |
| 2602 | { |
| 2603 | RotatePhi(ok); |
| 2604 | } |
| 2605 | |
| 2606 | return ok; |
| 2607 | } |
| 2608 | |
git://git.uio.no / u / mrichter / AliRoot.git / blame