ClassImp(AliGenPythia)
-AliGenPythia::AliGenPythia()
- :AliGenMC()
+
+AliGenPythia::AliGenPythia():
+ AliGenMC(),
+ fProcess(kPyCharm),
+ fStrucFunc(kCTEQ5L),
+ fEnergyCMS(5500.),
+ 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),
+ fNpartons(0),
+ fReadFromFile(0),
+ fQuench(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),
+ fTriggerParticle(0),
+ fTriggerEta(0.9),
+ fCountMode(kCountAll),
+ fHeader(0),
+ fRL(0),
+ fFileName(0)
{
// 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();
- fSetNuclei = kFALSE;
- fNewMIS = kFALSE;
- fHFoff = kFALSE;
+ SetNuclei(0,0);
if (!AliPythiaRndm::GetPythiaRandom())
- AliPythiaRndm::SetPythiaRandom(GetRandom());
+ AliPythiaRndm::SetPythiaRandom(GetRandom());
}
AliGenPythia::AliGenPythia(Int_t npart)
- :AliGenMC(npart)
+ :AliGenMC(npart),
+ fProcess(kPyCharm),
+ fStrucFunc(kCTEQ5L),
+ fEnergyCMS(5500.),
+ 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),
+ fNpartons(0),
+ fReadFromFile(kFALSE),
+ fQuench(kFALSE),
+ 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),
+ fTriggerParticle(0),
+ fTriggerEta(0.9),
+ fCountMode(kCountAll),
+ fHeader(0),
+ fRL(0),
+ fFileName(0)
{
// default charm production at 5. 5 TeV
// semimuonic decay
//
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();
- // 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;
-}
+ SetNuclei(0,0);
+ }
AliGenPythia::AliGenPythia(const AliGenPythia & Pythia)
- :AliGenMC(Pythia)
+ :AliGenMC(Pythia),
+ fProcess(kPyCharm),
+ fStrucFunc(kCTEQ5L),
+ fEnergyCMS(5500.),
+ 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),
+ fNpartons(0),
+ fReadFromFile(kFALSE),
+ fQuench(kFALSE),
+ 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),
+ fTriggerParticle(0),
+ fTriggerEta(0.9),
+ fCountMode(kCountAll),
+ fHeader(0),
+ fRL(0),
+ fFileName(0)
{
// copy constructor
Pythia.Copy(*this);
case kPyCharm:
case kPyCharmUnforced:
case kPyCharmPbPbMNR:
- case kPyCharmppMNR:
case kPyCharmpPbMNR:
+ case kPyCharmppMNR:
+ case kPyCharmppMNRwmi:
fParentSelect[0] = 411;
fParentSelect[1] = 421;
fParentSelect[2] = 431;
fParentSelect[0] = 411;
fFlavorSelect = 4;
break;
+ case kPyDPlusStrangePbPbMNR:
+ case kPyDPlusStrangepPbMNR:
+ case kPyDPlusStrangeppMNR:
+ fParentSelect[0] = 431;
+ fFlavorSelect = 4;
+ break;
case kPyBeauty:
case kPyBeautyPbPbMNR:
case kPyBeautypPbMNR:
case kPyBeautyppMNR:
+ case kPyBeautyppMNRwmi:
fParentSelect[0]= 511;
fParentSelect[1]= 521;
fParentSelect[2]= 531;
break;
case kPyMb:
case kPyMbNonDiffr:
+ case kPyMbMSEL1:
case kPyJets:
case kPyDirectGamma:
+ case kPyLhwgMb:
break;
case kPyW:
case kPyZ:
//
// Configure detector (EMCAL like)
//
- fPythia->SetPARU(51, fPycellEtaMax);
- fPythia->SetMSTU(51, fPycellNEta);
- fPythia->SetMSTU(52, fPycellNPhi);
+ fPythia->SetPARU(51, fPycellEtaMax);
+ fPythia->SetMSTU(51, fPycellNEta);
+ fPythia->SetMSTU(52, fPycellNPhi);
//
// Configure Jet Finder
//
- fPythia->SetPARU(58, fPycellThreshold);
- fPythia->SetPARU(52, fPycellEtSeed);
- fPythia->SetPARU(53, fPycellMinEtJet);
- fPythia->SetPARU(54, fPycellMaxRadius);
- fPythia->SetMSTU(54, 2);
+ fPythia->SetPARU(58, fPycellThreshold);
+ fPythia->SetPARU(52, fPycellEtSeed);
+ fPythia->SetPARU(53, fPycellMinEtJet);
+ fPythia->SetPARU(54, fPycellMaxRadius);
+ fPythia->SetMSTU(54, 2);
//
// This counts the total number of calls to Pyevnt() per run.
fTrialsRun = 0;
fDyBoost = 0;
Warning("Init","SetNuclei used. Use SetProjectile + SetTarget instead. fDyBoost has been reset to 0\n");
}
-
+
if (fQuench) {
fPythia->InitQuenching(0., 0.1, 0.6e6, 0);
}
-
+ fPythia->SetPARJ(200, 0.0);
+
+ 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
+ }
}
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
//
if (fProcess != kPyMb && fProcess != kPyJets &&
fProcess != kPyDirectGamma &&
fProcess != kPyMbNonDiffr &&
- fProcess != kPyW && fProcess != kPyZ ) {
+ fProcess != kPyMbMSEL1 &&
+ fProcess != kPyW && fProcess != kPyZ &&
+ fProcess != kPyCharmppMNRwmi && fProcess != kPyBeautyppMNRwmi) {
for (i = 0; i < np; i++) {
TParticle* iparticle = (TParticle *) fParticles->At(i);
GetSubEventTime();
- if (pParent) delete[] pParent;
- if (pSelected) delete[] pSelected;
- if (trackIt) delete[] trackIt;
+ delete[] pParent;
+ delete[] pSelected;
+ delete[] trackIt;
if (nc > 0) {
switch (fCountMode) {
}
if (jev >= fNpart || fNpart == -1) {
fKineBias=Float_t(fNpart)/Float_t(fTrials);
- printf("\n Trials: %i %i %i\n",fTrials, fNpart, jev);
-
+
fQ += fPythia->GetVINT(51);
fX1 += fPythia->GetVINT(41);
fX2 += fPythia->GetVINT(42);
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 (!CheckTrigger(jet1, jet2)) {
+ delete [] pParent;
+ return 0;
+ }
+ }
+
+ if (fTriggerParticle) {
+ Bool_t triggered = kFALSE;
+ for (i = 0; i < np; i++) {
+ TParticle * iparticle = (TParticle *) fParticles->At(i);
+ kf = CheckPDGCode(iparticle->GetPdgCode());
+ if (kf != fTriggerParticle) continue;
+ if (iparticle->Pt() == 0.) continue;
+ if (TMath::Abs(iparticle->Eta()) > fTriggerEta) continue;
+ triggered = kTRUE;
+ break;
+ }
+ 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;
+ Bool_t theQ=kFALSE,theQbar=kFALSE,inYcut=kFALSE;
+ Float_t yQ;
+ Int_t pdgQ;
+ for(i=0; i<np; i++) {
+ hvq = (TParticle*)fParticles->At(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 && yQ<fYMax) inYcut=kTRUE;
+ }
+ if (!theQ || !theQbar || !inYcut) {
+ delete[] pParent;
+ return 0;
+ }
}
-
//Introducing child cuts in case kPyW, kPyZ, kPyMb, and kPyMbNonDiff
if ( (fProcess == kPyW || fProcess == kPyZ || fProcess == kPyMb || fProcess == kPyMbNonDiffr)
&& (fCutOnChild == 1) ) {
if ( !CheckKinematicsOnChild() ) {
- if (pParent) delete[] pParent;
+ delete[] pParent;
return 0;
}
}
} // select particle
} // particle loop
- if (pParent) delete[] pParent;
+ delete[] pParent;
- printf("\n I've put %i particles on the stack \n",nc);
return 1;
}
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
//
void AliGenPythia::MakeHeader()
{
+//
+// Make header for the simulated event
+//
if (gAlice) {
if (gAlice->GetEvNumber()>=fDebugEventFirst &&
gAlice->GetEvNumber()<=fDebugEventLast) fPythia->Pylist(2);
//
GetJets(njets, ntrig, jets);
- if (ntrig) triggered = kTRUE;
+ if (ntrig || fEtMinJet == 0.) triggered = kTRUE;
//
} else {
Int_t ij = 0;
}
-//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
for (Int_t part = 0; part < npart; part++) {
- TParticle *MPart = stack->Particle(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();
+ 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) {
}
}
- 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();
+ 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())->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;
+ (fPythia->GetPyjets())->K[2][part+n0] = mPart->GetFirstMother() + 1;
}
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff