/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
+
/* $Id$ */
//
class AliPythia;
class TParticle;
class AliGenPythiaEventHeader;
+class AliGenEventHeader;
+class AliStack;
+class AliRunLoader;
+class TObjArray;
class AliGenPythia : public AliGenMC
{
AliGenPythia();
AliGenPythia(Int_t npart);
- AliGenPythia(const AliGenPythia &Pythia);
virtual ~AliGenPythia();
virtual void Generate();
virtual void Init();
- // set a cut on the Z coord. of the primary vertex (cm)
- //
+ // Range of events to be printed
virtual void SetEventListRange(Int_t eventFirst=-1, Int_t eventLast=-1);
- // select process type
+ // Select process type
virtual void SetProcess(Process_t proc = kPyCharm) {fProcess = proc;}
- // select structure function
- virtual void SetStrucFunc(StrucFunc_t func = kGRVHO) {fStrucFunc = func;}
- // select pt of hard scattering
+
+ // Select structure function
+ virtual void SetStrucFunc(StrucFunc_t func = kCTEQ5L) {fStrucFunc = func;}
+ // Select pt of hard scattering
virtual void SetPtHard(Float_t ptmin = 0, Float_t ptmax = 1.e10)
{fPtHardMin = ptmin; fPtHardMax = ptmax; }
+ // y of hard scattering
virtual void SetYHard(Float_t ymin = -1.e10, Float_t ymax = 1.e10)
{fYHardMin = ymin; fYHardMax = ymax; }
// Set initial and final state gluon radiation
virtual void SetGluonRadiation(Int_t iIn, Int_t iFin)
{fGinit = iIn; fGfinal = iFin;}
+ // Intrinsic kT
virtual void SetPtKick(Float_t kt = 1.)
{fPtKick = kt;}
- // set centre of mass energy
+ // Use the Pythia 6.3 new multiple interations scenario
+ virtual void UseNewMultipleInteractionsScenario() {fNewMIS = kTRUE;}
+ // Switch off heavy flavors
+ virtual void SwitchHFOff() {fHFoff = kTRUE;}
+ // Set centre of mass energy
virtual void SetEnergyCMS(Float_t energy = 5500) {fEnergyCMS = energy;}
- // treat protons as inside nuclei
- virtual void SetNuclei(Int_t a1, Int_t a2);
+ // Treat protons as inside nuclei with mass numbers a1 and a2
+ virtual void SetNuclei(Int_t a1, Int_t a2, Int_t pdfset = 0);
+ //
+ // Trigger options
+ //
+ // Energy range for jet trigger
virtual void SetJetEtRange(Float_t etmin = 0., Float_t etmax = 1.e4)
{fEtMinJet = etmin; fEtMaxJet = etmax;}
+ // Eta range for jet trigger
virtual void SetJetEtaRange(Float_t etamin = -20., Float_t etamax = 20.)
{fEtaMinJet = etamin; fEtaMaxJet = etamax;}
- virtual void SetJetReconstructionMode(Int_t mode = kCell) {fJetReconstruction = mode;}
+ // Phi range for jet trigger
virtual void SetJetPhiRange(Float_t phimin = 0., Float_t phimax = 360.)
{fPhiMinJet = TMath::Pi()*phimin/180.; fPhiMaxJet = TMath::Pi()*phimax/180.;}
+ // Jet reconstruction mode; default is cone algorithm
+ virtual void SetJetReconstructionMode(Int_t mode = kCell) {fJetReconstruction = mode;}
+ // Eta range for gamma trigger
virtual void SetGammaEtaRange(Float_t etamin = -20., Float_t etamax = 20.)
{fEtaMinGamma = etamin; fEtaMaxGamma = etamax;}
+ // Phi range for gamma trigger
virtual void SetGammaPhiRange(Float_t phimin = 0., Float_t phimax = 360.)
{fPhiMinGamma = TMath::Pi()*phimin/180.; fPhiMaxGamma = TMath::Pi()*phimax/180.;}
+ // Select jets with fragmentation photon or pi0 going to PHOS or EMCAL
+ virtual void SetFragPhotonInCalo(Bool_t b) {fFragPhotonInCalo = b;}
+ virtual void SetPi0InCalo (Bool_t b) {fPi0InCalo = b;}
+ virtual void SetPhotonInCalo(Bool_t b) {fPhotonInCalo = b;}
+ virtual void SetCheckPHOS (Bool_t b) {fCheckPHOS = b;}
+ virtual void SetCheckEMCAL(Bool_t b) {fCheckEMCAL = b;}
+ virtual void SetFragPhotonInEMCAL(Bool_t b) {fCheckEMCAL = b; fFragPhotonInCalo = b;}
+ virtual void SetFragPhotonInPHOS(Bool_t b) {fCheckPHOS = b; fFragPhotonInCalo = b;}
+ virtual void SetPi0InEMCAL(Bool_t b) {fCheckEMCAL = b; fPi0InCalo = b;}
+ virtual void SetPi0InPHOS(Bool_t b) {fCheckPHOS = b; fPi0InCalo = b;}
+ virtual void SetPhotonInEMCAL(Bool_t b) {fCheckEMCAL = b; fPhotonInCalo = b;}
+ virtual void SetElectronInEMCAL(Bool_t b) {fEleInEMCAL = b;}
+ virtual void SetPhotonInPHOS(Bool_t b) {fCheckPHOS = b; fPhotonInCalo = b;}
+
+ // Trigger on a minimum multiplicity
+ virtual void SetTriggerChargedMultiplicity(Int_t multiplicity, Float_t etamax = 0) {fTriggerMultiplicity = multiplicity; fTriggerMultiplicityEta = etamax; }
+
+ virtual void SetPhotonInPHOSeta(Bool_t b) {fCheckPHOSeta = b; fPhotonInCalo = b;}
+ virtual void SetFragPhotonOrPi0MinPt(Float_t pt) {fFragPhotonOrPi0MinPt = pt;}
+ virtual void SetPhotonMinPt(Float_t pt) {fPhotonMinPt = pt;}
+ virtual void SetElectronMinPt(Float_t pt) {fElectronMinPt = pt;}
+ // Trigger and rotate event
+ void RotatePhi(Int_t iphcand, Bool_t& okdd);
+ // Trigger on a single particle
+ virtual void SetTriggerParticle(Int_t particle = 0, Float_t etamax = 0.9)
+ {fTriggerParticle = particle; fTriggerEta = etamax;}
+ //
+ // Heavy flavor options
+ //
// Set option for feed down from higher family
virtual void SetFeedDownHigherFamily(Bool_t opt) {
- fFeedDownOpt = opt;
+ fFeedDownOpt = opt;
}
// Set option for selecting particles kept in stack according to flavor
// or to parent selection
virtual void SetStackFillOpt(StackFillOpt_t opt) {
- fStackFillOpt = opt;
+ fStackFillOpt = opt;
}
// Set fragmentation option
- virtual void SetFragmentation(const Bool_t opt) {
- fFragmentation = opt;
+ virtual void SetFragmentation(Bool_t opt) {
+ fFragmentation = opt;
}
// Set counting mode
- virtual void SetCountMode(const CountMode_t mode) {
- fCountMode = mode;
+ virtual void SetCountMode(CountMode_t mode) {
+ fCountMode = mode;
}
-
+ //
+ // Quenching
+ //
+ // Set quenching mode 0 = no, 1 = AM, 2 = IL, 3 = NA, 4 = ACS
+ virtual void SetQuench(Int_t flag = 0) {fQuench = flag;}
+ // Set transport coefficient.
+ void SetQhat(Float_t qhat) {fQhat = qhat;}
+ //Set initial medium length.
+ void SetLength(Float_t length) {fLength = length;}
+
+ virtual void SetHadronisation(Int_t flag = 1) {fHadronisation = flag;}
+ virtual void SetReadFromFile(const Text_t *filname) {fFileName = filname; fReadFromFile = 1;}
+
+ //
+ // Pile-up
+ //
+ // Get interaction rate for pileup studies
+ virtual void SetInteractionRate(Float_t rate,Float_t timewindow = 90.e-6);
+ virtual Float_t GetInteractionRate() const {return fInteractionRate;}
// get cross section of process
virtual Float_t GetXsection() const {return fXsection;}
// get triggered jets
- void GetJets(Int_t& njets, Int_t& ntrig, Float_t[4][10]);
- void RecJetsUA1(Float_t eCellMin, Float_t eCellSeed, Float_t eMin, Float_t rMin,
- Int_t& njets, Float_t jets[4][50]);
+ void GetJets(Int_t& njets, Int_t& ntrig, Float_t jets[4][10]);
+ void RecJetsUA1(Int_t& njets, Float_t jets[4][50]);
void SetPycellParameters(Float_t etamax = 2., Int_t neta = 274, Int_t nphi = 432,
Float_t thresh = 0., Float_t etseed = 4.,
Float_t minet = 10., Float_t r = 1.);
- void LoadEvent();
+ void LoadEvent(AliStack* stack, Int_t flag = 0, Int_t reHadr = 0);
+ void LoadEvent(TObjArray* stack, Int_t flag = 0, Int_t reHadr = 0);
// Getters
- virtual Process_t GetProcess() {return fProcess;}
- virtual StrucFunc_t GetStrucFunc() {return fStrucFunc;}
- virtual void GetPtHard(Float_t& ptmin, Float_t& ptmax)
- {ptmin = fPtHardMin; ptmax = fPtHardMax = ptmax;}
- virtual Float_t GetEnergyCMS() {return fEnergyCMS;}
- virtual void GetNuclei(Int_t& a1, Int_t& a2)
+ virtual Process_t GetProcess() const {return fProcess;}
+ virtual StrucFunc_t GetStrucFunc() const {return fStrucFunc;}
+ virtual void GetPtHard(Float_t& ptmin, Float_t& ptmax) const
+ {ptmin = fPtHardMin; ptmax = fPtHardMax;}
+ virtual void GetNuclei(Int_t& a1, Int_t& a2) const
{a1 = fAProjectile; a2 = fATarget;}
- virtual void GetJetEtRange(Float_t& etamin, Float_t& etamax)
+ virtual void GetJetEtRange(Float_t& etamin, Float_t& etamax) const
{etamin = fEtaMinJet; etamax = fEtaMaxJet;}
- virtual void GetJetPhiRange(Float_t& phimin, Float_t& phimax)
+ virtual void GetJetPhiRange(Float_t& phimin, Float_t& phimax) const
{phimin = fPhiMinJet*180./TMath::Pi(); phimax = fPhiMaxJet*180/TMath::Pi();}
- virtual void GetGammaEtaRange(Float_t& etamin, Float_t& etamax)
+ virtual void GetGammaEtaRange(Float_t& etamin, Float_t& etamax) const
{etamin = fEtaMinGamma; etamax = fEtaMaxGamma;}
- virtual void GetGammaPhiRange(Float_t& phimin, Float_t& phimax)
+ virtual void GetGammaPhiRange(Float_t& phimin, Float_t& phimax) const
{phimin = fPhiMinGamma*180./TMath::Pi(); phimax = fPhiMaxGamma*180./TMath::Pi();}
//
+ Bool_t IsInEMCAL(Float_t phi, Float_t eta);
+ Bool_t IsInPHOS(Float_t phi, Float_t eta);
+ //
virtual void FinishRun();
Bool_t CheckTrigger(TParticle* jet1, TParticle* jet2);
-
- // Assignment Operator
- AliGenPythia & operator=(const AliGenPythia & rhs);
+ //Used in some processes to selected child properties
+ Bool_t CheckKinematicsOnChild();
+ void GetSubEventTime();
+
protected:
// adjust the weight from kinematic cuts
- void AdjustWeights();
- Int_t GenerateMB();
- void MakeHeader();
-
-
+ void AdjustWeights() const;
+ Int_t GenerateMB();
+ void MakeHeader();
+ void GeneratePileup();
Process_t fProcess; //Process type
StrucFunc_t fStrucFunc; //Structure Function
- Float_t fEnergyCMS; //Centre of mass energy
Float_t fKineBias; //!Bias from kinematic selection
Int_t fTrials; //!Number of trials for current event
Int_t fTrialsRun; //!Number of trials for run
Float_t fQ; //Mean Q
Float_t fX1; //Mean x1
Float_t fX2; //Mean x2
+ Float_t fEventTime; //Time of the subevent
+ Float_t fInteractionRate; //Interaction rate (set by user)
+ Float_t fTimeWindow; //Time window for pileup events (set by user)
+ Int_t fCurSubEvent; //Index of the current sub-event
+ TArrayF *fEventsTime; //Subevents time for pileup
Int_t fNev; //Number of events
Int_t fFlavorSelect; //Heavy Flavor Selection
Float_t fXsection; //Cross-section
Float_t fYHardMax; //higher y-hard cut
Int_t fGinit; //initial state gluon radiation
Int_t fGfinal; //final state gluon radiation
+ Int_t fHadronisation; //hadronisation
+ Int_t fNpartons; //Number of partons before hadronisation
+ Int_t fReadFromFile; //read partons from file
+ Int_t fQuench; //Flag for quenching
+ Float_t fQhat; //Transport coefficient (GeV^2/fm)
+ Float_t fLength; //Medium length (fm)
+ Float_t fImpact; //Impact parameter for quenching simulation (q-pythia)
Float_t fPtKick; //Transverse momentum kick
Bool_t fFullEvent; //!Write Full event if true
AliDecayer *fDecayer; //!Pointer to the decayer instance
// parents and their decays
Bool_t fFeedDownOpt; // Option to set feed down from higher
// quark families (e.g. b->c)
- Bool_t fFragmentation; // Option to activate fragmentation by Pythia
- Bool_t fSetNuclei; // Flag indicating that SetNuclei has been called
- //
-
- CountMode_t fCountMode; // Options for counting when the event will be finished.
- AliGenPythiaEventHeader* fHeader; //! Event header
-
+ Bool_t fFragmentation; // Option to activate fragmentation by Pythia
+ Bool_t fSetNuclei; // Flag indicating that SetNuclei has been called
+ Bool_t fNewMIS; // Flag for the new multipple interactions scenario
+ Bool_t fHFoff; // Flag for switching heafy flavor production off
+ Int_t fNucPdf; // Nuclear pdf 0: EKS98 1: EPS08
+ Int_t fTriggerParticle; // Trigger on this particle ...
+ Float_t fTriggerEta; // .. within |eta| < fTriggerEta
+ Int_t fTriggerMultiplicity; // Trigger on events with a minimum charged multiplicity
+ Float_t fTriggerMultiplicityEta; // in a given eta range
+ CountMode_t fCountMode; // Options for counting when the event will be finished.
// fCountMode = kCountAll --> All particles that end up in the
// stack are counted
// fCountMode = kCountParents --> Only selected parents are counted
// fCountMode = kCountTrackabless --> Only particles flagged for tracking
// are counted
//
- ClassDef(AliGenPythia,5) // AliGenerator interface to Pythia
+ //
+
+ AliGenPythiaEventHeader* fHeader; //! Event header
+ AliRunLoader* fRL; //! Run Loader
+ const Text_t* fFileName; //! Name of file to read from
+
+
+ Bool_t fFragPhotonInCalo; // Option to ask for Fragmentation Photon in calorimeters acceptance
+ Bool_t fPi0InCalo; // Option to ask for Pi0 in calorimeters acceptance
+ Bool_t fPhotonInCalo; // Option to ask for Decay Photon in calorimeter acceptance
+ Bool_t fEleInEMCAL; // Option to ask for Electron in EMCAL acceptance
+ Bool_t fCheckEMCAL; // Option to ask for FragPhoton or Pi0 in calorimeters EMCAL acceptance
+ Bool_t fCheckPHOS; // Option to ask for FragPhoton or Pi0 in calorimeters PHOS acceptance
+ Bool_t fCheckPHOSeta; // Option to ask for PHOS eta acceptance
+ Float_t fFragPhotonOrPi0MinPt; // Minimum momentum of Fragmentation Photon or Pi0
+ Float_t fPhotonMinPt; // Minimum momentum of Photon
+ Float_t fElectronMinPt; // Minimum momentum of Electron
+ //Calorimeters eta-phi acceptance
+ Float_t fPHOSMinPhi; // Minimum phi PHOS
+ Float_t fPHOSMaxPhi; // Maximum phi PHOS
+ Float_t fPHOSEta; // Minimum eta PHOS
+ Float_t fEMCALMinPhi; // Minimum phi EMCAL
+ Float_t fEMCALMaxPhi; // Maximum phi EMCAL
+ Float_t fEMCALEta; // Maximum eta EMCAL
+
+ private:
+ AliGenPythia(const AliGenPythia &Pythia);
+ AliGenPythia & operator=(const AliGenPythia & rhs);
+
+ ClassDef(AliGenPythia,9) // AliGenerator interface to Pythia
};
#endif
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