#include <TPDGCode.h>
#include <TSystem.h>
#include <TTree.h>
-
#include "AliConst.h"
#include "AliDecayerPythia.h"
#include "AliGenPythia.h"
#include "AliStack.h"
#include "AliRunLoader.h"
#include "AliMC.h"
+#include "pyquenCommon.h"
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),
+ fBremssInCalo(kFALSE),
+ fPi0InCalo(kFALSE) ,
+ fBremssPi0InEMCAL(kFALSE),
+ fBremssPi0InPHOS(kFALSE),
+ fBremssPi0MinPt(0),
+ fPHOSMinPhi(220.),
+ fPHOSMaxPhi(320.),
+ fPHOSEta(0.12),
+ fEMCALMinPhi(80.),
+ fEMCALMaxPhi(190.),
+ fEMCALEta(0.7)
+
{
// Default Constructor
- fParticles = 0;
- fPythia = 0;
- fHeader = 0;
- fReadFromFile = 0;
- fDecayer = new AliDecayerPythia();
- SetEventListRange();
- SetJetPhiRange();
- SetJetEtaRange();
- SetJetEtRange();
- SetGammaPhiRange();
- SetGammaEtaRange();
- SetPtKick();
- SetQuench();
- SetHadronisation();
- fSetNuclei = 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),
+ fBremssInCalo(kFALSE),
+ fPi0InCalo(kFALSE) ,
+ fBremssPi0InEMCAL(kFALSE),
+ fBremssPi0InPHOS(kFALSE),
+ fBremssPi0MinPt(0),
+ fPHOSMinPhi(220.),
+ fPHOSMaxPhi(320.),
+ fPHOSEta(0.12),
+ fEMCALMinPhi(80.),
+ fEMCALMaxPhi(190.),
+ fEMCALEta(0.7)
{
// default charm production at 5. 5 TeV
// semimuonic decay
//
fName = "Pythia";
fTitle= "Particle Generator using PYTHIA";
- fXsection = 0.;
- fReadFromFile = 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;
-}
+ 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),
+ fBremssInCalo(kFALSE),
+ fPi0InCalo(kFALSE) ,
+ fBremssPi0InEMCAL(kFALSE),
+ fBremssPi0InPHOS(kFALSE),
+ fBremssPi0MinPt(0),
+ fPHOSMinPhi(220.),
+ fPHOSMaxPhi(320.),
+ fPHOSEta(0.12),
+ fEMCALMinPhi(80.),
+ fEMCALMaxPhi(190.),
+ fEMCALEta(0.7)
{
// copy constructor
Pythia.Copy(*this);
AliGenPythia::~AliGenPythia()
{
// Destructor
+ if(fEventsTime) delete fEventsTime;
+}
+
+void AliGenPythia::SetInteractionRate(Float_t rate,Float_t timewindow)
+{
+// Generate pileup using user specified rate
+ fInteractionRate = rate;
+ fTimeWindow = timewindow;
+ GeneratePileup();
+}
+
+void AliGenPythia::GeneratePileup()
+{
+// Generate sub events time for pileup
+ fEventsTime = 0;
+ if(fInteractionRate == 0.) {
+ Warning("GeneratePileup","Zero interaction specified. Skipping pileup generation.\n");
+ return;
+ }
+
+ Int_t npart = NumberParticles();
+ if(npart < 0) {
+ Warning("GeneratePileup","Negative number of particles. Skipping pileup generation.\n");
+ return;
+ }
+
+ if(fEventsTime) delete fEventsTime;
+ fEventsTime = new TArrayF(npart);
+ TArrayF &array = *fEventsTime;
+ for(Int_t ipart = 0; ipart < npart; ipart++)
+ array[ipart] = 0.;
+
+ Float_t eventtime = 0.;
+ while(1)
+ {
+ eventtime += (AliPythiaRndm::GetPythiaRandom())->Exp(1./fInteractionRate);
+ if(eventtime > fTimeWindow) break;
+ array.Set(array.GetSize()+1);
+ array[array.GetSize()-1] = eventtime;
+ }
+
+ eventtime = 0.;
+ while(1)
+ {
+ eventtime -= (AliPythiaRndm::GetPythiaRandom())->Exp(1./fInteractionRate);
+ if(TMath::Abs(eventtime) > fTimeWindow) break;
+ array.Set(array.GetSize()+1);
+ array[array.GetSize()-1] = eventtime;
+ }
+
+ SetNumberParticles(fEventsTime->GetSize());
}
void AliGenPythia::SetPycellParameters(Float_t etamax, Int_t neta, Int_t nphi,
} else {
fRL = 0x0;
}
-
-
+// Switch off Heavy Flavors on request
+ if (fHFoff) {
+ fPythia->SetMSTP(58, 3);
+ fPythia->SetMSTJ(45, 3);
+ for (Int_t i = 156; i <= 160; i++) fPythia->SetMDME(i, 1, 0);
+ }
//
fPythia->ProcInit(fProcess,fEnergyCMS,fStrucFunc);
// Parent and Children Selection
switch (fProcess)
{
+ case kPyOldUEQ2ordered:
+ case kPyOldUEQ2ordered2:
+ case kPyOldPopcorn:
+ break;
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:
+ break;
}
//
//
//
// 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()
Int_t jev=0;
Int_t j, kf;
fTrials=0;
+ fEventTime = 0.;
+
// Set collision vertex position
// Either produce new event or read partons from file
//
if (!fReadFromFile) {
- fPythia->Pyevnt();
+ if (!fNewMIS) {
+ fPythia->Pyevnt();
+ } else {
+ fPythia->Pyevnw();
+ }
fNpartons = fPythia->GetN();
} else {
printf("Loading Event %d\n",AliRunLoader::GetRunLoader()->GetEventNumber());
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
//
// .. and perform hadronisation
// printf("Calling hadronisation %d\n", fPythia->GetN());
fPythia->Pyexec();
-
- if (gAlice) {
- if (gAlice->GetEvNumber()>=fDebugEventFirst &&
- gAlice->GetEvNumber()<=fDebugEventLast) fPythia->Pylist(1);
- }
-
fTrials++;
fPythia->ImportParticles(fParticles,"All");
Boost();
Int_t np = fParticles->GetEntriesFast();
- if (np == 0 ) continue;
+ if (np == 0) continue;
//
//
Int_t nTkbles = 0; // Trackable particles
if (fProcess != kPyMb && fProcess != kPyJets &&
fProcess != kPyDirectGamma &&
- fProcess != kPyMbNonDiffr) {
+ fProcess != kPyMbNonDiffr &&
+ fProcess != kPyMbMSEL1 &&
+ fProcess != kPyW && fProcess != kPyZ &&
+ fProcess != kPyCharmppMNRwmi && fProcess != kPyBeautyppMNRwmi) {
for (i = 0; i < np; i++) {
TParticle* iparticle = (TParticle *) fParticles->At(i);
// quark ?
kf = TMath::Abs(kf);
Int_t kfl = kf;
+ // Resonance
+
+ if (kfl > 100000) kfl %= 100000;
+ if (kfl > 10000) kfl %= 10000;
// meson ?
if (kfl > 10) kfl/=100;
// baryon
if (kfl > 10) kfl/=10;
- if (kfl > 10) kfl/=10;
-
Int_t ipa = iparticle->GetFirstMother()-1;
Int_t kfMo = 0;
+//
+// Establish mother daughter relation between heavy quarks and mesons
+//
+ if (kf >= fFlavorSelect && kf <= 6) {
+ Int_t idau = iparticle->GetFirstDaughter() - 1;
+ if (idau > -1) {
+ 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);
+ } // is string or cluster
+ } // has daughter
+ } // heavy quark
+
if (ipa > -1) {
TParticle * mother = (TParticle *) fParticles->At(ipa);
kfMo = TMath::Abs(mother->GetPdgCode());
}
+
// What to keep in Stack?
Bool_t flavorOK = kFALSE;
Bool_t selectOK = kFALSE;
// Kinematic seletion on final state heavy flavor mesons
if (ParentSelected(kf) && !KinematicSelection(iparticle, 0))
{
- continue;
+ continue;
}
pSelected[i] = 1;
if (ParentSelected(kf)) ++nParents; // Update parent count
} else {
// Kinematic seletion on decay products
if (fCutOnChild && ParentSelected(kfMo) && ChildSelected(kf)
- && !KinematicSelection(iparticle, 1))
+ && !KinematicSelection(iparticle, 1))
{
- continue;
+ continue;
}
//
// Decay products
if (!pSelected[i]) continue;
// Count quarks only if you did not include fragmentation
if (fFragmentation && kf <= 10) continue;
+
nc++;
// Decision on tracking
trackIt[i] = 0;
} else {
nc = GenerateMB();
} // mb ?
+
+ 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;
+ }
+ }
+
+ // Select jets with bremsstrahlung or pi0 going to PHOS or EMCAL
+ if (fProcess == kPyJets && (fBremssInCalo || fPi0InCalo) ) {
+
+ Bool_t ok = kFALSE;
+
+ Int_t pdg = 0;
+ if (fBremssInCalo) 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() > fBremssPi0MinPt){
+ Float_t phi = iparticle->Phi()*180./TMath::Pi(); //Convert to degrees
+ Float_t eta =TMath::Abs(iparticle->Eta());//in calos etamin=-etamax
+ if((fBremssPi0InEMCAL && IsInEMCAL(phi,eta)) ||
+ fBremssPi0InPHOS && IsInPHOS(phi,eta))
+ ok =kTRUE;
+ }
+ }
+ if(!ok)
+ return 0;
}
- for (i = 0; i<np; i++) {
+ 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() ) {
+ delete[] pParent;
+ return 0;
+ }
+ }
+
+
+ for (i = 0; i < np; i++) {
Int_t trackIt = 0;
TParticle * iparticle = (TParticle *) fParticles->At(i);
kf = CheckPDGCode(iparticle->GetPdgCode());
origin[1] = fVertex[1]+iparticle->Vy()/10; // [cm]
origin[2] = fVertex[2]+iparticle->Vz()/10; // [cm]
- Float_t tof=kconv*iparticle->T();
+ Float_t tof = fEventTime + kconv * iparticle->T();
PushTrack(fTrackIt*trackIt, iparent, kf,
p[0], p[1], p[2], p[3],
KeepTrack(nt);
pParent[i] = nt;
+ SetHighWaterMark(nt);
+
} // select particle
} // particle loop
- if (pParent) delete[] pParent;
+ delete[] pParent;
- printf("\n I've put %i particles on the stack \n",nc);
- return nc;
+ return 1;
}
{
// Print x-section summary
fPythia->Pystat(1);
- fQ /= fNev;
- fX1 /= fNev;
- fX2 /= fNev;
+
+ if (fNev > 0.) {
+ fQ /= fNev;
+ fX1 /= fNev;
+ fX2 /= fNev;
+ }
+
printf("\nTotal number of Pyevnt() calls %d\n", fTrialsRun);
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);
+ }
+
// Builds the event header, to be called after each event
if (fHeader) delete fHeader;
fHeader = new AliGenPythiaEventHeader("Pythia");
fHeader->SetPrimaryVertex(fVertex);
//
// Jets that have triggered
+
if (fProcess == kPyJets)
{
Int_t ntrig, njet;
Float_t jets[4][10];
GetJets(njet, ntrig, jets);
+
for (Int_t i = 0; i < ntrig; i++) {
((AliGenPythiaEventHeader*) fHeader)->AddJet(jets[0][i], jets[1][i], jets[2][i],
if (fQuench){
Double_t z[4];
Double_t xp, yp;
-
- fPythia->GetQuenchingParameters(xp, yp, z);
-
- ((AliGenPythiaEventHeader*) fHeader)->SetXYJet(xp, yp);
- ((AliGenPythiaEventHeader*) fHeader)->SetZQuench(z);
- }
-
+ if (fQuench == 1) {
+ // Pythia::Quench()
+ fPythia->GetQuenchingParameters(xp, yp, z);
+ } else {
+ // Pyquen
+ Double_t r1 = PARIMP.rb1;
+ Double_t r2 = PARIMP.rb2;
+ Double_t b = PARIMP.b1;
+ Double_t r = 0.5 * TMath::Sqrt(2. * (r1 * r1 + r2 * r2) - b * b);
+ Double_t phi = PARIMP.psib1;
+ xp = r * TMath::Cos(phi);
+ yp = r * TMath::Sin(phi);
+
+ }
+ ((AliGenPythiaEventHeader*) fHeader)->SetXYJet(xp, yp);
+ ((AliGenPythiaEventHeader*) fHeader)->SetZQuench(z);
+ }
+//
+// Store pt^hard
+ ((AliGenPythiaEventHeader*) fHeader)->SetPtHard(fPythia->GetVINT(47));
//
-// Pass header to RunLoader
+// Pass header
//
- AliRunLoader::GetRunLoader()->GetHeader()->SetGenEventHeader(fHeader);
+ AddHeader(fHeader);
}
-
+
+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)
{
//
GetJets(njets, ntrig, jets);
- if (ntrig) triggered = kTRUE;
+ if (ntrig || fEtMinJet == 0.) triggered = kTRUE;
//
} else {
Int_t ij = 0;
}
return triggered;
}
+
+
+
+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();
+
+ for (j = 0; j<npart; j++) {
+ TParticle * jparticle = (TParticle *) fParticles->At(j);
+ kcode = TMath::Abs( CheckPDGCode(jparticle->GetPdgCode()) );
+ ks = jparticle->GetStatusCode();
+ km = jparticle->GetFirstMother();
+
+ if( (ks == 1) && (kcode == fPdgCodeParticleforAcceptanceCut) && (KinematicSelection(jparticle,1)) ){
+ nPartAcc++;
+ }
+ if( numberOfAcceptedParticles <= nPartAcc){
+ checking = kTRUE;
+ break;
+ }
+ }
+
+ return checking;
+}
+
AliGenPythia& AliGenPythia::operator=(const AliGenPythia& rhs)
{
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;
}
}
Float_t theta = TMath::ATan2(pt,pz);
Float_t et = e * TMath::Sin(theta);
Float_t eta = -TMath::Log(TMath::Tan(theta / 2.));
-
if (
eta > fEtaMinJet && eta < fEtaMaxJet &&
phi > fPhiMinJet && phi < fPhiMaxJet &&
}
}
+void AliGenPythia::GetSubEventTime()
+{
+ // Calculates time of the next subevent
+ fEventTime = 0.;
+ if (fEventsTime) {
+ TArrayF &array = *fEventsTime;
+ fEventTime = array[fCurSubEvent++];
+ }
+ // printf(" Event time: %d %f %p",fCurSubEvent,fEventTime,fEventsTime);
+ return;
+}
+
+Bool_t AliGenPythia::IsInEMCAL(Float_t phi, Float_t eta)
+{
+ // Is particle in EMCAL acceptance?
+ // Acceptance slightly larger considered.
+ // phi in degrees, etamin=-etamax
+ if(phi > fEMCALMinPhi-0.1 && phi < fEMCALMaxPhi+0.1 &&
+ eta < fEMCALEta+0.01 )
+ return kTRUE;
+ else
+ return kFALSE;
+}
+
+Bool_t AliGenPythia::IsInPHOS(Float_t phi, Float_t eta)
+{
+ // Is particle in PHOS acceptance?
+ // Acceptance slightly larger considered.
+ // phi in degrees, etamin=-etamax
+ if(phi > fPHOSMinPhi-0.1 && phi < fPHOSMaxPhi+0.1 &&
+ eta < fPHOSEta+0.01 )
+ return kTRUE;
+ else
+ return kFALSE;
+}
+
+
#ifdef never
void AliGenPythia::Streamer(TBuffer &R__b)
#endif
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff