X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=PYTHIA6%2FAliGenPythia.cxx;h=6999a14204f02aad9745eab7db8572dd9eb7bd49;hb=d0d908518075ee8fdad9d47ae64a1823ed76854b;hp=8f3958ed4562e5c652acaade10d60a7ba01b073f;hpb=d7de4a679fae05e769ee7a8a7f02c28aab15cba2;p=u%2Fmrichter%2FAliRoot.git diff --git a/PYTHIA6/AliGenPythia.cxx b/PYTHIA6/AliGenPythia.cxx index 8f3958ed456..6999a14204f 100644 --- a/PYTHIA6/AliGenPythia.cxx +++ b/PYTHIA6/AliGenPythia.cxx @@ -25,14 +25,17 @@ // andreas.morsch@cern.ch // +#include #include #include #include +#include #include #include #include "AliConst.h" #include "AliDecayerPythia.h" #include "AliGenPythia.h" +#include "AliFastGlauber.h" #include "AliHeader.h" #include "AliGenPythiaEventHeader.h" #include "AliPythia.h" @@ -41,102 +44,210 @@ #include "AliStack.h" #include "AliRunLoader.h" #include "AliMC.h" -#include "pyquenCommon.h" +#include "PyquenCommon.h" ClassImp(AliGenPythia) -AliGenPythia::AliGenPythia() - :AliGenMC() + +AliGenPythia::AliGenPythia(): + AliGenMC(), + fProcess(kPyCharm), + fItune(-1), + fStrucFunc(kCTEQ5L), + fKineBias(0.), + fTrials(0), + fTrialsRun(0), + fQ(0.), + fX1(0.), + fX2(0.), + fEventTime(0.), + fInteractionRate(0.), + fTimeWindow(0.), + fCurSubEvent(0), + fEventsTime(0), + fNev(0), + fFlavorSelect(0), + fXsection(0.), + fPythia(0), + fPtHardMin(0.), + fPtHardMax(1.e4), + fYHardMin(-1.e10), + fYHardMax(1.e10), + fGinit(1), + fGfinal(1), + fHadronisation(1), + fPatchOmegaDalitz(0), + fNpartons(0), + fReadFromFile(0), + fQuench(0), + fQhat(0.), + fLength(0.), + fImpact(0.), + fPtKick(1.), + fFullEvent(kTRUE), + fDecayer(new AliDecayerPythia()), + fDebugEventFirst(-1), + fDebugEventLast(-1), + fEtMinJet(0.), + fEtMaxJet(1.e4), + fEtaMinJet(-20.), + fEtaMaxJet(20.), + fPhiMinJet(0.), + fPhiMaxJet(2.* TMath::Pi()), + fJetReconstruction(kCell), + fEtaMinGamma(-20.), + fEtaMaxGamma(20.), + fPhiMinGamma(0.), + fPhiMaxGamma(2. * TMath::Pi()), + fPycellEtaMax(2.), + fPycellNEta(274), + fPycellNPhi(432), + fPycellThreshold(0.), + fPycellEtSeed(4.), + fPycellMinEtJet(10.), + fPycellMaxRadius(1.), + fStackFillOpt(kFlavorSelection), + fFeedDownOpt(kTRUE), + fFragmentation(kTRUE), + fSetNuclei(kFALSE), + fNewMIS(kFALSE), + fHFoff(kFALSE), + fNucPdf(0), + fTriggerParticle(0), + fTriggerEta(0.9), + fTriggerMultiplicity(0), + fTriggerMultiplicityEta(0), + fTriggerMultiplicityPtMin(0), + fCountMode(kCountAll), + fHeader(0), + fRL(0), + fkFileName(0), + fFragPhotonInCalo(kFALSE), + fPi0InCalo(kFALSE) , + fPhotonInCalo(kFALSE), + fEleInEMCAL(kFALSE), + fCheckEMCAL(kFALSE), + fCheckPHOS(kFALSE), + fCheckPHOSeta(kFALSE), + fFragPhotonOrPi0MinPt(0), + fPhotonMinPt(0), + fElectronMinPt(0), + fPHOSMinPhi(219.), + fPHOSMaxPhi(321.), + fPHOSEta(0.13), + fEMCALMinPhi(79.), + fEMCALMaxPhi(191.), + fEMCALEta(0.71) + { // Default Constructor - fParticles = 0; - fPythia = 0; - fHeader = 0; - fReadFromFile = 0; - fEventTime = 0.; - fInteractionRate = 0.; - fTimeWindow = 0.; - fEventsTime = 0; - fCurSubEvent = 0; - fDecayer = new AliDecayerPythia(); - SetEventListRange(); - SetJetPhiRange(); - SetJetEtaRange(); - SetJetEtRange(); - SetGammaPhiRange(); - SetGammaEtaRange(); - SetPtKick(); - SetQuench(); - SetHadronisation(); - SetTriggerParticle(); - fSetNuclei = kFALSE; - fNewMIS = kFALSE; - fHFoff = kFALSE; + fEnergyCMS = 5500.; if (!AliPythiaRndm::GetPythiaRandom()) - AliPythiaRndm::SetPythiaRandom(GetRandom()); + AliPythiaRndm::SetPythiaRandom(GetRandom()); } AliGenPythia::AliGenPythia(Int_t npart) - :AliGenMC(npart) + :AliGenMC(npart), + fProcess(kPyCharm), + fItune(-1), + fStrucFunc(kCTEQ5L), + fKineBias(0.), + fTrials(0), + fTrialsRun(0), + fQ(0.), + fX1(0.), + fX2(0.), + fEventTime(0.), + fInteractionRate(0.), + fTimeWindow(0.), + fCurSubEvent(0), + fEventsTime(0), + fNev(0), + fFlavorSelect(0), + fXsection(0.), + fPythia(0), + fPtHardMin(0.), + fPtHardMax(1.e4), + fYHardMin(-1.e10), + fYHardMax(1.e10), + fGinit(kTRUE), + fGfinal(kTRUE), + fHadronisation(kTRUE), + fPatchOmegaDalitz(0), + fNpartons(0), + fReadFromFile(kFALSE), + fQuench(kFALSE), + fQhat(0.), + fLength(0.), + fImpact(0.), + fPtKick(1.), + fFullEvent(kTRUE), + fDecayer(new AliDecayerPythia()), + fDebugEventFirst(-1), + fDebugEventLast(-1), + fEtMinJet(0.), + fEtMaxJet(1.e4), + fEtaMinJet(-20.), + fEtaMaxJet(20.), + fPhiMinJet(0.), + fPhiMaxJet(2.* TMath::Pi()), + fJetReconstruction(kCell), + fEtaMinGamma(-20.), + fEtaMaxGamma(20.), + fPhiMinGamma(0.), + fPhiMaxGamma(2. * TMath::Pi()), + fPycellEtaMax(2.), + fPycellNEta(274), + fPycellNPhi(432), + fPycellThreshold(0.), + fPycellEtSeed(4.), + fPycellMinEtJet(10.), + fPycellMaxRadius(1.), + fStackFillOpt(kFlavorSelection), + fFeedDownOpt(kTRUE), + fFragmentation(kTRUE), + fSetNuclei(kFALSE), + fNewMIS(kFALSE), + fHFoff(kFALSE), + fNucPdf(0), + fTriggerParticle(0), + fTriggerEta(0.9), + fTriggerMultiplicity(0), + fTriggerMultiplicityEta(0), + fTriggerMultiplicityPtMin(0), + fCountMode(kCountAll), + fHeader(0), + fRL(0), + fkFileName(0), + fFragPhotonInCalo(kFALSE), + fPi0InCalo(kFALSE) , + fPhotonInCalo(kFALSE), + fEleInEMCAL(kFALSE), + fCheckEMCAL(kFALSE), + fCheckPHOS(kFALSE), + fCheckPHOSeta(kFALSE), + fFragPhotonOrPi0MinPt(0), + fPhotonMinPt(0), + fElectronMinPt(0), + fPHOSMinPhi(219.), + fPHOSMaxPhi(321.), + fPHOSEta(0.13), + fEMCALMinPhi(79.), + fEMCALMaxPhi(191.), + fEMCALEta(0.71) { // default charm production at 5. 5 TeV // semimuonic decay // structure function GRVHO // + fEnergyCMS = 5500.; fName = "Pythia"; fTitle= "Particle Generator using PYTHIA"; - fXsection = 0.; - fReadFromFile = 0; - fEventTime = 0.; - fInteractionRate = 0.; - fTimeWindow = 0.; - fEventsTime = 0; - fCurSubEvent = 0; - SetProcess(); - SetStrucFunc(); SetForceDecay(); - SetPtHard(); - SetYHard(); - SetEnergyCMS(); - fDecayer = new AliDecayerPythia(); // Set random number generator if (!AliPythiaRndm::GetPythiaRandom()) AliPythiaRndm::SetPythiaRandom(GetRandom()); - fFlavorSelect = 0; - // Produced particles - fParticles = new TClonesArray("TParticle",1000); - fHeader = 0; - SetEventListRange(); - SetJetPhiRange(); - SetJetEtaRange(); - SetJetEtRange(); - SetGammaPhiRange(); - SetGammaEtaRange(); - SetJetReconstructionMode(); - SetQuench(); - SetHadronisation(); - SetPtKick(); - SetTriggerParticle(); - // Options determining what to keep in the stack (Heavy flavour generation) - fStackFillOpt = kFlavorSelection; // Keep particle with selected flavor - fFeedDownOpt = kTRUE; // allow feed down from higher family - // Fragmentation on/off - fFragmentation = kTRUE; - // Default counting mode - fCountMode = kCountAll; - // Pycel - SetPycellParameters(); - fSetNuclei = kFALSE; - fNewMIS = kFALSE; - fHFoff = kFALSE; -} - -AliGenPythia::AliGenPythia(const AliGenPythia & Pythia) - :AliGenMC(Pythia) -{ -// copy constructor - Pythia.Copy(*this); -} + } AliGenPythia::~AliGenPythia() { @@ -228,9 +339,6 @@ void AliGenPythia::Init() // fParentWeight=1./Float_t(fNpart); // -// Forward Paramters to the AliPythia object - fDecayer->SetForceDecay(fForceDecay); - fDecayer->Init(); fPythia->SetCKIN(3,fPtHardMin); @@ -238,7 +346,7 @@ void AliGenPythia::Init() fPythia->SetCKIN(7,fYHardMin); fPythia->SetCKIN(8,fYHardMax); - if (fAProjectile > 0 && fATarget > 0) fPythia->SetNuclei(fAProjectile, fATarget); + if (fAProjectile > 0 && fATarget > 0) fPythia->SetNuclei(fAProjectile, fATarget, fNucPdf); // Fragmentation? if (fFragmentation) { fPythia->SetMSTP(111,1); @@ -254,27 +362,36 @@ void AliGenPythia::Init() // pt - kick if (fPtKick > 0.) { fPythia->SetMSTP(91,1); - fPythia->SetPARP(91,fPtKick); + fPythia->SetPARP(91,fPtKick); + fPythia->SetPARP(93, 4. * fPtKick); } else { fPythia->SetMSTP(91,0); } if (fReadFromFile) { - fRL = AliRunLoader::Open(fFileName, "Partons"); + fRL = AliRunLoader::Open(fkFileName, "Partons"); fRL->LoadKinematics(); fRL->LoadHeader(); } else { fRL = 0x0; } + // + fPythia->ProcInit(fProcess,fEnergyCMS,fStrucFunc, fItune); + // Forward Paramters to the AliPythia object + fDecayer->SetForceDecay(fForceDecay); // Switch off Heavy Flavors on request if (fHFoff) { + // Maximum number of quark flavours used in pdf fPythia->SetMSTP(58, 3); + // Maximum number of flavors that can be used in showers fPythia->SetMSTJ(45, 3); - for (Int_t i = 156; i <= 160; i++) fPythia->SetMDME(i, 1, 0); + // Switch off g->QQbar splitting in decay table + ((AliDecayerPythia*) fDecayer)->HeavyFlavourOff(); } - // - fPythia->ProcInit(fProcess,fEnergyCMS,fStrucFunc); + + fDecayer->Init(); + // Parent and Children Selection switch (fProcess) @@ -293,6 +410,9 @@ void AliGenPythia::Init() fParentSelect[1] = 421; fParentSelect[2] = 431; fParentSelect[3] = 4122; + fParentSelect[4] = 4232; + fParentSelect[5] = 4132; + fParentSelect[6] = 4332; fFlavorSelect = 4; break; case kPyD0PbPbMNR: @@ -313,7 +433,12 @@ void AliGenPythia::Init() fParentSelect[0] = 431; fFlavorSelect = 4; break; + case kPyLambdacppMNR: + fParentSelect[0] = 4122; + fFlavorSelect = 4; + break; case kPyBeauty: + case kPyBeautyJets: case kPyBeautyPbPbMNR: case kPyBeautypPbMNR: case kPyBeautyppMNR: @@ -341,11 +466,15 @@ void AliGenPythia::Init() case kPyJpsi: fParentSelect[0] = 443; break; + case kPyMbDefault: + case kPyMbAtlasTuneMC09: case kPyMb: + case kPyMbWithDirectPhoton: case kPyMbNonDiffr: case kPyMbMSEL1: case kPyJets: case kPyDirectGamma: + case kPyLhwgMb: break; case kPyW: case kPyZ: @@ -387,15 +516,44 @@ void AliGenPythia::Init() Warning("Init","SetNuclei used. Use SetProjectile + SetTarget instead. fDyBoost has been reset to 0\n"); } - if (fQuench) { + fPythia->SetPARJ(200, 0.0); + fPythia->SetPARJ(199, 0.0); + fPythia->SetPARJ(198, 0.0); + fPythia->SetPARJ(197, 0.0); + + if (fQuench == 1) { fPythia->InitQuenching(0., 0.1, 0.6e6, 0); } + + if (fQuench == 3) { + // Nestor's change of the splittings + fPythia->SetPARJ(200, 0.8); + fPythia->SetMSTJ(41, 1); // QCD radiation only + fPythia->SetMSTJ(42, 2); // angular ordering + fPythia->SetMSTJ(44, 2); // option to run alpha_s + fPythia->SetMSTJ(47, 0); // No correction back to hard scattering element + fPythia->SetMSTJ(50, 0); // No coherence in first branching + fPythia->SetPARJ(82, 1.); // Cut off for parton showers + } else if (fQuench == 4) { + // Armesto-Cunqueiro-Salgado change of the splittings. + AliFastGlauber* glauber = AliFastGlauber::Instance(); + glauber->Init(2); + //read and store transverse almonds corresponding to differnt + //impact parameters. + glauber->SetCentralityClass(0.,0.1); + fPythia->SetPARJ(200, 1.); + fPythia->SetPARJ(198, fQhat); + fPythia->SetPARJ(199, fLength); + fPythia->SetMSTJ(42, 2); // angular ordering + fPythia->SetMSTJ(44, 2); // option to run alpha_s + fPythia->SetPARJ(82, 1.); // Cut off for parton showers + } } void AliGenPythia::Generate() { // Generate one event - + if (!fPythia) fPythia=(AliPythia*) fMCEvGen; fDecayer->ForceDecay(); Float_t polar[3] = {0,0,0}; @@ -425,6 +583,15 @@ void AliGenPythia::Generate() // Switch hadronisation off // fPythia->SetMSTJ(1, 0); + + if (fQuench ==4){ + Double_t bimp; + // Quenching comes through medium-modified splitting functions. + AliFastGlauber::Instance()->GetRandomBHard(bimp); + fPythia->SetPARJ(197, bimp); + fImpact = bimp; + fPythia->Qpygin0(); + } // // Either produce new event or read partons from file // @@ -436,8 +603,8 @@ void AliGenPythia::Generate() } fNpartons = fPythia->GetN(); } else { - printf("Loading Event %d\n",AliRunLoader::GetRunLoader()->GetEventNumber()); - fRL->GetEvent(AliRunLoader::GetRunLoader()->GetEventNumber()); + printf("Loading Event %d\n",AliRunLoader::Instance()->GetEventNumber()); + fRL->GetEvent(AliRunLoader::Instance()->GetEventNumber()); fPythia->SetN(0); LoadEvent(fRL->Stack(), 0 , 1); fPythia->Pyedit(21); @@ -450,25 +617,40 @@ void AliGenPythia::Generate() fPythia->Quench(); } else if (fQuench == 2){ fPythia->Pyquen(208., 0, 0.); + } else if (fQuench == 3) { + // Quenching is via multiplicative correction of the splittings } + // // Switch hadronisation on // - fPythia->SetMSTJ(1, 1); + if (fHadronisation) { + fPythia->SetMSTJ(1, 1); // // .. and perform hadronisation // printf("Calling hadronisation %d\n", fPythia->GetN()); - fPythia->Pyexec(); + + if (fPatchOmegaDalitz) { + fPythia->SetMDCY(fPythia->Pycomp(111) ,1, 0); + fPythia->Pyexec(); + fPythia->DalitzDecays(); + fPythia->SetMDCY(fPythia->Pycomp(111) ,1, 1); + } + fPythia->Pyexec(); + } fTrials++; - fPythia->ImportParticles(fParticles,"All"); - Boost(); + fPythia->ImportParticles(&fParticles,"All"); + + if (TMath::Abs(fDyBoost) > 1.e-4) Boost(); + if(TMath::Abs(fXingAngleY) > 1.e-10) BeamCrossAngle(); + // // // Int_t i; - - Int_t np = fParticles->GetEntriesFast(); + fNprimaries = 0; + Int_t np = fParticles.GetEntriesFast(); if (np == 0) continue; // @@ -486,15 +668,22 @@ void AliGenPythia::Generate() Int_t nc = 0; // Total n. of selected particles Int_t nParents = 0; // Selected parents Int_t nTkbles = 0; // Trackable particles - if (fProcess != kPyMb && fProcess != kPyJets && + if (fProcess != kPyMbDefault && + fProcess != kPyMb && + fProcess != kPyMbAtlasTuneMC09 && + fProcess != kPyMbWithDirectPhoton && + fProcess != kPyJets && fProcess != kPyDirectGamma && fProcess != kPyMbNonDiffr && fProcess != kPyMbMSEL1 && - fProcess != kPyW && fProcess != kPyZ && - fProcess != kPyCharmppMNRwmi && fProcess != kPyBeautyppMNRwmi) { + fProcess != kPyW && + fProcess != kPyZ && + fProcess != kPyCharmppMNRwmi && + fProcess != kPyBeautyppMNRwmi && + fProcess != kPyBeautyJets) { for (i = 0; i < np; i++) { - TParticle* iparticle = (TParticle *) fParticles->At(i); + TParticle* iparticle = (TParticle *) fParticles.At(i); Int_t ks = iparticle->GetStatusCode(); kf = CheckPDGCode(iparticle->GetPdgCode()); // No initial state partons @@ -521,20 +710,20 @@ void AliGenPythia::Generate() if (kf >= fFlavorSelect && kf <= 6) { Int_t idau = iparticle->GetFirstDaughter() - 1; if (idau > -1) { - TParticle* daughter = (TParticle *) fParticles->At(idau); + TParticle* daughter = (TParticle *) fParticles.At(idau); Int_t pdgD = daughter->GetPdgCode(); if (pdgD == 91 || pdgD == 92) { Int_t jmin = daughter->GetFirstDaughter() - 1; Int_t jmax = daughter->GetLastDaughter() - 1; - for (Int_t j = jmin; j <= jmax; j++) - ((TParticle *) fParticles->At(j))->SetFirstMother(i+1); + for (Int_t jp = jmin; jp <= jmax; jp++) + ((TParticle *) fParticles.At(jp))->SetFirstMother(i+1); } // is string or cluster } // has daughter } // heavy quark if (ipa > -1) { - TParticle * mother = (TParticle *) fParticles->At(ipa); + TParticle * mother = (TParticle *) fParticles.At(ipa); kfMo = TMath::Abs(mother->GetPdgCode()); } @@ -628,7 +817,7 @@ void AliGenPythia::Generate() if (nc > 0) { for (i = 0; iAt(i); + TParticle * iparticle = (TParticle *) fParticles.At(i); kf = CheckPDGCode(iparticle->GetPdgCode()); Int_t ks = iparticle->GetStatusCode(); p[0] = iparticle->Px(); @@ -650,7 +839,8 @@ void AliGenPythia::Generate() polar[0], polar[1], polar[2], kPPrimary, nt, 1., ks); pParent[i] = nt; - KeepTrack(nt); + KeepTrack(nt); + fNprimaries++; } // PushTrack loop } } else { @@ -659,9 +849,9 @@ void AliGenPythia::Generate() GetSubEventTime(); - if (pParent) delete[] pParent; - if (pSelected) delete[] pSelected; - if (trackIt) delete[] trackIt; + delete[] pParent; + delete[] pSelected; + delete[] trackIt; if (nc > 0) { switch (fCountMode) { @@ -713,60 +903,215 @@ Int_t AliGenPythia::GenerateMB() - Int_t np = (fHadronisation) ? fParticles->GetEntriesFast() : fNpartons; + Int_t np = (fHadronisation) ? fParticles.GetEntriesFast() : fNpartons; Int_t* pParent = new Int_t[np]; for (i=0; i< np; i++) pParent[i] = -1; - if (fProcess == kPyJets || fProcess == kPyDirectGamma) { - TParticle* jet1 = (TParticle *) fParticles->At(6); - TParticle* jet2 = (TParticle *) fParticles->At(7); - if (!CheckTrigger(jet1, jet2)) return 0; + if (fProcess == kPyJets || fProcess == kPyDirectGamma || fProcess == kPyBeautyJets || fProcess == kPyBeautyppMNRwmi) { + TParticle* jet1 = (TParticle *) fParticles.At(6); + TParticle* jet2 = (TParticle *) fParticles.At(7); + if (!CheckTrigger(jet1, jet2)) { + delete [] pParent; + return 0; + } } + // Select jets with fragmentation photon or pi0 going to PHOS or EMCAL + if (fProcess == kPyJets && (fFragPhotonInCalo || fPi0InCalo) ) { + + Bool_t ok = kFALSE; + + Int_t pdg = 0; + if (fFragPhotonInCalo) pdg = 22 ; // Photon + else if (fPi0InCalo) pdg = 111 ; // Pi0 + + for (i=0; i< np; i++) { + TParticle* iparticle = (TParticle *) fParticles.At(i); + if(iparticle->GetStatusCode()==1 && iparticle->GetPdgCode()==pdg && + iparticle->Pt() > fFragPhotonOrPi0MinPt){ + Int_t imother = iparticle->GetFirstMother() - 1; + TParticle* pmother = (TParticle *) fParticles.At(imother); + if(pdg == 111 || + (pdg == 22 && pmother->GetStatusCode() != 11)) //No photon from hadron decay + { + Float_t phi = iparticle->Phi()*180./TMath::Pi(); //Convert to degrees + Float_t eta =TMath::Abs(iparticle->Eta()); //in calos etamin=-etamax + if((fCheckEMCAL && IsInEMCAL(phi,eta)) || + (fCheckPHOS && IsInPHOS(phi,eta)) ) + ok =kTRUE; + } + } + } + if(!ok) + return 0; + } + + // Select beauty jets with electron in EMCAL + if (fProcess == kPyBeautyJets && fEleInEMCAL) { + + Bool_t ok = kFALSE; + + Int_t pdg = 11; //electron + + Float_t pt = 0.; + Float_t eta = 0.; + Float_t phi = 0.; + for (i=0; i< np; i++) { + TParticle* iparticle = (TParticle *) fParticles.At(i); + if(iparticle->GetStatusCode()==1 && TMath::Abs(iparticle->GetPdgCode())==pdg && + iparticle->Pt() > fElectronMinPt){ + pt = iparticle->Pt(); + phi = iparticle->Phi()*180./TMath::Pi(); //Convert to degrees + eta =TMath::Abs(iparticle->Eta()); //in calos etamin=-etamax + if(IsInEMCAL(phi,eta)) + ok =kTRUE; + } + } + if(!ok) + return 0; + AliDebug(5,Form("Found an electron jet (pt,eta,phi) = (%f,%f,%f)",pt,eta,phi)); + } + // Check for minimum multiplicity + if (fTriggerMultiplicity > 0) { + Int_t multiplicity = 0; + for (i = 0; i < np; i++) { + TParticle * iparticle = (TParticle *) fParticles.At(i); + + Int_t statusCode = iparticle->GetStatusCode(); + + // Initial state particle + if (statusCode != 1) + continue; + // eta cut + if (fTriggerMultiplicityEta > 0 && TMath::Abs(iparticle->Eta()) > fTriggerMultiplicityEta) + continue; + // pt cut + if (iparticle->Pt() < fTriggerMultiplicityPtMin) + continue; + + TParticlePDG* pdgPart = iparticle->GetPDG(); + if (pdgPart && pdgPart->Charge() == 0) + continue; + + ++multiplicity; + } + + if (multiplicity < fTriggerMultiplicity) { + delete [] pParent; + return 0; + } + Printf("Triggered on event with multiplicity of %d >= %d", multiplicity, fTriggerMultiplicity); + } + + // Select events with a photon pt > min pt going to PHOS eta acceptance or exactly PHOS eta phi + if ((fProcess == kPyJets || fProcess == kPyDirectGamma) && fPhotonInCalo && (fCheckPHOSeta || fCheckPHOS)){ + + Bool_t okd = kFALSE; + + Int_t pdg = 22; + Int_t iphcand = -1; + for (i=0; i< np; i++) { + TParticle* iparticle = (TParticle *) fParticles.At(i); + Float_t phi = iparticle->Phi()*180./TMath::Pi(); //Convert to degrees + Float_t eta =TMath::Abs(iparticle->Eta());//in calos etamin=-etamax + + if(iparticle->GetStatusCode() == 1 + && iparticle->GetPdgCode() == pdg + && iparticle->Pt() > fPhotonMinPt + && eta < fPHOSEta){ + + // first check if the photon is in PHOS phi + if(IsInPHOS(phi,eta)){ + okd = kTRUE; + break; + } + if(fCheckPHOSeta) iphcand = i; // candiate photon to rotate in phi + + } + } + + if(!okd && iphcand != -1) // execute rotation in phi + RotatePhi(iphcand,okd); + + if(!okd) + return 0; + } + if (fTriggerParticle) { Bool_t triggered = kFALSE; for (i = 0; i < np; i++) { - TParticle * iparticle = (TParticle *) fParticles->At(i); + TParticle * iparticle = (TParticle *) fParticles.At(i); kf = CheckPDGCode(iparticle->GetPdgCode()); - if (TMath::Abs(kf) != fTriggerParticle) continue; + if (kf != fTriggerParticle) continue; if (iparticle->Pt() == 0.) continue; if (TMath::Abs(iparticle->Eta()) > fTriggerEta) continue; triggered = kTRUE; break; } - if (!triggered) return 0; + if (!triggered) { + delete [] pParent; + return 0; + } } // Check if there is a ccbar or bbbar pair with at least one of the two // in fYMin < y < fYMax - if (fProcess == kPyCharmppMNRwmi || fProcess == kPyBeautyppMNRwmi) { - TParticle *hvq; + + if (fProcess == kPyCharmppMNRwmi || fProcess == kPyBeautyppMNRwmi || fProcess == kPyBeautyJets) { + TParticle *partCheck; + TParticle *mother; Bool_t theQ=kFALSE,theQbar=kFALSE,inYcut=kFALSE; - Float_t yQ; - Int_t pdgQ; + Bool_t theChild=kFALSE; + Float_t y; + Int_t pdg,mpdg,mpdgUpperFamily; for(i=0; iAt(i); - pdgQ = hvq->GetPdgCode(); - if(TMath::Abs(pdgQ) != fFlavorSelect) continue; - if(pdgQ>0) { theQ=kTRUE; } else { theQbar=kTRUE; } - yQ = 0.5*TMath::Log((hvq->Energy()+hvq->Pz()+1.e-13)/ - (hvq->Energy()-hvq->Pz()+1.e-13)); - if(yQ>fYMin && yQGetPdgCode(); + if(TMath::Abs(pdg) == fFlavorSelect) { // quark + if(pdg>0) { theQ=kTRUE; } else { theQbar=kTRUE; } + y = 0.5*TMath::Log((partCheck->Energy()+partCheck->Pz()+1.e-13)/ + (partCheck->Energy()-partCheck->Pz()+1.e-13)); + if(y>fYMin && yGetFirstMother() - 1; + if(mi<0) continue; + mother = (TParticle*)fParticles.At(mi); + mpdg=TMath::Abs(mother->GetPdgCode()); + mpdgUpperFamily=(mpdg>1000 ? mpdg+1000 : mpdg+100); // keep e from c from b + if ( ParentSelected(mpdg) || + (fFlavorSelect==5 && ParentSelected(mpdgUpperFamily))) { + if (KinematicSelection(partCheck,1)) { + theChild=kTRUE; + } + } + } } - if (!theQ || !theQbar || !inYcut) { - if (pParent) delete[] pParent; + if (!theQ || !theQbar || !inYcut) { // one of the c/b conditions not satisfied + delete[] pParent; return 0; } + if (fCutOnChild && !theChild) { // one of the child conditions not satisfied + delete[] pParent; + return 0; + } + } //Introducing child cuts in case kPyW, kPyZ, kPyMb, and kPyMbNonDiff - if ( (fProcess == kPyW || fProcess == kPyZ || fProcess == kPyMb || fProcess == kPyMbNonDiffr) + if ( (fProcess == kPyW || + fProcess == kPyZ || + fProcess == kPyMbDefault || + fProcess == kPyMb || + fProcess == kPyMbAtlasTuneMC09 || + fProcess == kPyMbWithDirectPhoton || + fProcess == kPyMbNonDiffr) && (fCutOnChild == 1) ) { if ( !CheckKinematicsOnChild() ) { - if (pParent) delete[] pParent; + delete[] pParent; return 0; } } @@ -774,13 +1119,13 @@ Int_t AliGenPythia::GenerateMB() for (i = 0; i < np; i++) { Int_t trackIt = 0; - TParticle * iparticle = (TParticle *) fParticles->At(i); + TParticle * iparticle = (TParticle *) fParticles.At(i); kf = CheckPDGCode(iparticle->GetPdgCode()); Int_t ks = iparticle->GetStatusCode(); Int_t km = iparticle->GetFirstMother(); if ((ks == 1 && kf!=0 && KinematicSelection(iparticle, 0)) || (ks != 1) || - (fProcess == kPyJets && ks == 21 && km == 0 && i>1)) { + ((fProcess == kPyJets || fProcess == kPyBeautyJets) && ks == 21 && km == 0 && i>1)) { nc++; if (ks == 1) trackIt = 1; Int_t ipa = iparticle->GetFirstMother()-1; @@ -806,20 +1151,7 @@ Int_t AliGenPythia::GenerateMB() origin[0], origin[1], origin[2], tof, polar[0], polar[1], polar[2], kPPrimary, nt, 1., ks); - // - // Special Treatment to store color-flow - // - if (ks == 3 || ks == 13 || ks == 14) { - TParticle* particle = 0; - if (fStack) { - particle = fStack->Particle(nt); - } else { - particle = gAlice->Stack()->Particle(nt); - } - particle->SetFirstDaughter(fPythia->GetK(2, i)); - particle->SetLastDaughter(fPythia->GetK(3, i)); - } - + fNprimaries++; KeepTrack(nt); pParent[i] = nt; SetHighWaterMark(nt); @@ -827,7 +1159,7 @@ Int_t AliGenPythia::GenerateMB() } // select particle } // particle loop - if (pParent) delete[] pParent; + delete[] pParent; return 1; } @@ -848,7 +1180,7 @@ void AliGenPythia::FinishRun() printf("\nMean Q, x1, x2: %f %f %f\n", fQ, fX1, fX2); } -void AliGenPythia::AdjustWeights() +void AliGenPythia::AdjustWeights() const { // Adjust the weights after generation of all events // @@ -862,18 +1194,22 @@ void AliGenPythia::AdjustWeights() } } -void AliGenPythia::SetNuclei(Int_t a1, Int_t a2) +void AliGenPythia::SetNuclei(Int_t a1, Int_t a2, Int_t pdfset) { // Treat protons as inside nuclei with mass numbers a1 and a2 fAProjectile = a1; fATarget = a2; + fNucPdf = pdfset; // 0 EKS98 1 EPS08 fSetNuclei = kTRUE; } void AliGenPythia::MakeHeader() { +// +// Make header for the simulated event +// if (gAlice) { if (gAlice->GetEvNumber()>=fDebugEventFirst && gAlice->GetEvNumber()<=fDebugEventLast) fPythia->Pylist(2); @@ -891,10 +1227,15 @@ void AliGenPythia::MakeHeader() // // Event Vertex fHeader->SetPrimaryVertex(fVertex); + fHeader->SetInteractionTime(fEventTime); +// +// Number of primaries + fHeader->SetNProduced(fNprimaries); // // Jets that have triggered - if (fProcess == kPyJets) + //Need to store jets for b-jet studies too! + if (fProcess == kPyJets || fProcess == kPyDirectGamma || fProcess == kPyBeautyJets || fProcess == kPyBeautyppMNRwmi) { Int_t ntrig, njet; Float_t jets[4][10]; @@ -931,7 +1272,7 @@ void AliGenPythia::MakeHeader() if (fQuench == 1) { // Pythia::Quench() fPythia->GetQuenchingParameters(xp, yp, z); - } else { + } else if (fQuench == 2){ // Pyquen Double_t r1 = PARIMP.rb1; Double_t r2 = PARIMP.rb2; @@ -941,10 +1282,20 @@ void AliGenPythia::MakeHeader() xp = r * TMath::Cos(phi); yp = r * TMath::Sin(phi); + } else if (fQuench == 4) { + // QPythia + Double_t xy[2]; + Double_t i0i1[2]; + AliFastGlauber::Instance()->GetSavedXY(xy); + AliFastGlauber::Instance()->GetSavedI0I1(i0i1); + xp = xy[0]; + yp = xy[1]; + ((AliGenPythiaEventHeader*) fHeader)->SetImpactParameter(fImpact); } + ((AliGenPythiaEventHeader*) fHeader)->SetXYJet(xp, yp); ((AliGenPythiaEventHeader*) fHeader)->SetZQuench(z); - } + } // // Store pt^hard ((AliGenPythiaEventHeader*) fHeader)->SetPtHard(fPythia->GetVINT(47)); @@ -952,19 +1303,9 @@ void AliGenPythia::MakeHeader() // Pass header // AddHeader(fHeader); + fHeader = 0x0; } -void AliGenPythia::AddHeader(AliGenEventHeader* header) -{ - // Add header to container or runloader - if (fContainer) { - fContainer->AddHeader(header); - } else { - AliRunLoader::GetRunLoader()->GetHeader()->SetGenEventHeader(header); - } -} - - Bool_t AliGenPythia::CheckTrigger(TParticle* jet1, TParticle* jet2) { // Check the kinematic trigger condition @@ -980,7 +1321,7 @@ Bool_t AliGenPythia::CheckTrigger(TParticle* jet1, TParticle* jet2) pdg[1] = jet2->GetPdgCode(); Bool_t triggered = kFALSE; - if (fProcess == kPyJets) { + if (fProcess == kPyJets || fProcess == kPyBeautyJets || fProcess == kPyBeautyppMNRwmi) { Int_t njets = 0; Int_t ntrig = 0; Float_t jets[4][10]; @@ -989,7 +1330,7 @@ Bool_t AliGenPythia::CheckTrigger(TParticle* jet1, TParticle* jet2) // GetJets(njets, ntrig, jets); - if (ntrig) triggered = kTRUE; + if (ntrig || fEtMinJet == 0.) triggered = kTRUE; // } else { Int_t ij = 0; @@ -1014,18 +1355,20 @@ Bool_t AliGenPythia::CheckTrigger(TParticle* jet1, TParticle* jet2) } -//Checking Kinematics on Child (status code 1, particle code ?, kin cuts -Bool_t AliGenPythia::CheckKinematicsOnChild(){ +Bool_t AliGenPythia::CheckKinematicsOnChild(){ +// +//Checking Kinematics on Child (status code 1, particle code ?, kin cuts +// Bool_t checking = kFALSE; Int_t j, kcode, ks, km; Int_t nPartAcc = 0; //number of particles in the acceptance range Int_t numberOfAcceptedParticles = 1; if (fNumberOfAcceptedParticles != 0) { numberOfAcceptedParticles = fNumberOfAcceptedParticles; } - Int_t npart = fParticles->GetEntriesFast(); + Int_t npart = fParticles.GetEntriesFast(); for (j = 0; jAt(j); + TParticle * jparticle = (TParticle *) fParticles.At(j); kcode = TMath::Abs( CheckPDGCode(jparticle->GetPdgCode()) ); ks = jparticle->GetStatusCode(); km = jparticle->GetFirstMother(); @@ -1042,66 +1385,111 @@ Bool_t AliGenPythia::CheckKinematicsOnChild(){ return checking; } - -AliGenPythia& AliGenPythia::operator=(const AliGenPythia& rhs) -{ -// Assignment operator - rhs.Copy(*this); - return *this; -} - void AliGenPythia::LoadEvent(AliStack* stack, Int_t flag, Int_t reHadr) { -// -// Load event into Pythia Common Block -// - - Int_t npart = stack -> GetNprimary(); - Int_t n0 = 0; + // + // Load event into Pythia Common Block + // + + Int_t npart = stack -> GetNprimary(); + Int_t n0 = 0; + + if (!flag) { + (fPythia->GetPyjets())->N = npart; + } else { + n0 = (fPythia->GetPyjets())->N; + (fPythia->GetPyjets())->N = n0 + npart; + } + + + for (Int_t part = 0; part < npart; part++) { + TParticle *mPart = stack->Particle(part); - if (!flag) { - (fPythia->GetPyjets())->N = npart; - } else { - n0 = (fPythia->GetPyjets())->N; - (fPythia->GetPyjets())->N = n0 + npart; + Int_t kf = mPart->GetPdgCode(); + Int_t ks = mPart->GetStatusCode(); + Int_t idf = mPart->GetFirstDaughter(); + Int_t idl = mPart->GetLastDaughter(); + + if (reHadr) { + if (ks == 11 || ks == 12) { + ks -= 10; + idf = -1; + idl = -1; + } } + Float_t px = mPart->Px(); + Float_t py = mPart->Py(); + Float_t pz = mPart->Pz(); + Float_t e = mPart->Energy(); + Float_t m = mPart->GetCalcMass(); - for (Int_t part = 0; part < npart; part++) { - TParticle *MPart = stack->Particle(part); - - Int_t kf = MPart->GetPdgCode(); - Int_t ks = MPart->GetStatusCode(); - Int_t idf = MPart->GetFirstDaughter(); - Int_t idl = MPart->GetLastDaughter(); - - if (reHadr) { + + (fPythia->GetPyjets())->P[0][part+n0] = px; + (fPythia->GetPyjets())->P[1][part+n0] = py; + (fPythia->GetPyjets())->P[2][part+n0] = pz; + (fPythia->GetPyjets())->P[3][part+n0] = e; + (fPythia->GetPyjets())->P[4][part+n0] = m; + + (fPythia->GetPyjets())->K[1][part+n0] = kf; + (fPythia->GetPyjets())->K[0][part+n0] = ks; + (fPythia->GetPyjets())->K[3][part+n0] = idf + 1; + (fPythia->GetPyjets())->K[4][part+n0] = idl + 1; + (fPythia->GetPyjets())->K[2][part+n0] = mPart->GetFirstMother() + 1; + } +} + +void AliGenPythia::LoadEvent(TObjArray* stack, Int_t flag, Int_t reHadr) +{ + // + // Load event into Pythia Common Block + // + + Int_t npart = stack -> GetEntries(); + Int_t n0 = 0; + + if (!flag) { + (fPythia->GetPyjets())->N = npart; + } else { + n0 = (fPythia->GetPyjets())->N; + (fPythia->GetPyjets())->N = n0 + npart; + } + + + for (Int_t part = 0; part < npart; part++) { + TParticle *mPart = dynamic_cast(stack->At(part)); + Int_t kf = mPart->GetPdgCode(); + Int_t ks = mPart->GetStatusCode(); + Int_t idf = mPart->GetFirstDaughter(); + Int_t idl = mPart->GetLastDaughter(); + + if (reHadr) { if (ks == 11 || ks == 12) { - ks -= 10; - idf = -1; - idl = -1; + ks -= 10; + idf = -1; + idl = -1; } - } - - Float_t px = MPart->Px(); - Float_t py = MPart->Py(); - Float_t pz = MPart->Pz(); - Float_t e = MPart->Energy(); - Float_t m = MPart->GetCalcMass(); - - - (fPythia->GetPyjets())->P[0][part+n0] = px; - (fPythia->GetPyjets())->P[1][part+n0] = py; - (fPythia->GetPyjets())->P[2][part+n0] = pz; - (fPythia->GetPyjets())->P[3][part+n0] = e; - (fPythia->GetPyjets())->P[4][part+n0] = m; - - (fPythia->GetPyjets())->K[1][part+n0] = kf; - (fPythia->GetPyjets())->K[0][part+n0] = ks; - (fPythia->GetPyjets())->K[3][part+n0] = idf + 1; - (fPythia->GetPyjets())->K[4][part+n0] = idl + 1; - (fPythia->GetPyjets())->K[2][part+n0] = MPart->GetFirstMother() + 1; } + + Float_t px = mPart->Px(); + Float_t py = mPart->Py(); + Float_t pz = mPart->Pz(); + Float_t e = mPart->Energy(); + Float_t m = mPart->GetCalcMass(); + + + (fPythia->GetPyjets())->P[0][part+n0] = px; + (fPythia->GetPyjets())->P[1][part+n0] = py; + (fPythia->GetPyjets())->P[2][part+n0] = pz; + (fPythia->GetPyjets())->P[3][part+n0] = e; + (fPythia->GetPyjets())->P[4][part+n0] = m; + + (fPythia->GetPyjets())->K[1][part+n0] = kf; + (fPythia->GetPyjets())->K[0][part+n0] = ks; + (fPythia->GetPyjets())->K[3][part+n0] = idf + 1; + (fPythia->GetPyjets())->K[4][part+n0] = idl + 1; + (fPythia->GetPyjets())->K[2][part+n0] = mPart->GetFirstMother() + 1; + } } @@ -1203,46 +1591,79 @@ void AliGenPythia::GetSubEventTime() return; } -#ifdef never -void AliGenPythia::Streamer(TBuffer &R__b) +Bool_t AliGenPythia::IsInEMCAL(Float_t phi, Float_t eta) +{ + // Is particle in EMCAL acceptance? + // phi in degrees, etamin=-etamax + if(phi > fEMCALMinPhi && phi < fEMCALMaxPhi && + eta < fEMCALEta ) + return kTRUE; + else + return kFALSE; +} + +Bool_t AliGenPythia::IsInPHOS(Float_t phi, Float_t eta) { - // Stream an object of class AliGenPythia. - - if (R__b.IsReading()) { - Version_t R__v = R__b.ReadVersion(); if (R__v) { } - AliGenerator::Streamer(R__b); - R__b >> (Int_t&)fProcess; - R__b >> (Int_t&)fStrucFunc; - R__b >> (Int_t&)fForceDecay; - R__b >> fEnergyCMS; - R__b >> fKineBias; - R__b >> fTrials; - fParentSelect.Streamer(R__b); - fChildSelect.Streamer(R__b); - R__b >> fXsection; -// (AliPythia::Instance())->Streamer(R__b); - R__b >> fPtHardMin; - R__b >> fPtHardMax; -// if (fDecayer) fDecayer->Streamer(R__b); - } else { - R__b.WriteVersion(AliGenPythia::IsA()); - AliGenerator::Streamer(R__b); - R__b << (Int_t)fProcess; - R__b << (Int_t)fStrucFunc; - R__b << (Int_t)fForceDecay; - R__b << fEnergyCMS; - R__b << fKineBias; - R__b << fTrials; - fParentSelect.Streamer(R__b); - fChildSelect.Streamer(R__b); - R__b << fXsection; -// R__b << fPythia; - R__b << fPtHardMin; - R__b << fPtHardMax; - // fDecayer->Streamer(R__b); - } + // Is particle in PHOS acceptance? + // Acceptance slightly larger considered. + // phi in degrees, etamin=-etamax + if(phi > fPHOSMinPhi && phi < fPHOSMaxPhi && + eta < fPHOSEta ) + return kTRUE; + else + return kFALSE; +} + +void AliGenPythia::RotatePhi(Int_t iphcand, Bool_t& okdd) +{ + //calculate the new position random between fPHOSMinPhi and fPHOSMaxPhi + Double_t phiPHOSmin = TMath::Pi()*fPHOSMinPhi/180; + Double_t phiPHOSmax = TMath::Pi()*fPHOSMaxPhi/180; + Double_t phiPHOS = gRandom->Uniform(phiPHOSmin,phiPHOSmax); + + //calculate deltaphi + TParticle* ph = (TParticle *) fParticles.At(iphcand); + Double_t phphi = ph->Phi(); + Double_t deltaphi = phiPHOS - phphi; + + + + //loop for all particles and produce the phi rotation + Int_t np = (fHadronisation) ? fParticles.GetEntriesFast() : fNpartons; + Double_t oldphi, newphi; + Double_t newVx, newVy, r, vZ, time; + Double_t newPx, newPy, pt, pz, e; + for(Int_t i=0; i< np; i++) { + TParticle* iparticle = (TParticle *) fParticles.At(i); + oldphi = iparticle->Phi(); + newphi = oldphi + deltaphi; + if(newphi < 0) newphi = 2*TMath::Pi() + newphi; // correct angle + if(newphi > 2*TMath::Pi()) newphi = newphi - 2*TMath::Pi(); // correct angle + + r = iparticle->R(); + newVx = r * TMath::Cos(newphi); + newVy = r * TMath::Sin(newphi); + vZ = iparticle->Vz(); // don't transform + time = iparticle->T(); // don't transform + + pt = iparticle->Pt(); + newPx = pt * TMath::Cos(newphi); + newPy = pt * TMath::Sin(newphi); + pz = iparticle->Pz(); // don't transform + e = iparticle->Energy(); // don't transform + + // apply rotation + iparticle->SetProductionVertex(newVx, newVy, vZ, time); + iparticle->SetMomentum(newPx, newPy, pz, e); + + } //end particle loop + + // now let's check that we put correctly the candidate photon in PHOS + Float_t phi = ph->Phi()*180./TMath::Pi(); //Convert to degrees + Float_t eta =TMath::Abs(ph->Eta());//in calos etamin=-etamax + if(IsInPHOS(phi,eta)) + okdd = kTRUE; } -#endif