+++ /dev/null
-#ifndef ALIGENPYTHIAPLUS_H
-#define ALIGENPYTHIAPLUS_H
-/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * See cxx source for full Copyright notice */
-
-
-/* $Id$ */
-
-//
-// Generator using the TPythia interface (via AliPythia)
-// to generate pp collisions.
-// Using SetNuclei() also nuclear modifications to the structure functions
-// can be taken into account. This makes, of course, only sense for the
-// generation of the products of hard processes (heavy flavor, jets ...)
-//
-// andreas.morsch@cern.ch
-//
-
-#include "AliGenMC.h"
-#include "AliPythia.h"
-
-class AliPythiaBase;
-class TParticle;
-class AliGenPythiaEventHeader;
-class AliGenEventHeader;
-class AliStack;
-class AliRunLoader;
-
-class AliGenPythiaPlus : public AliGenMC
-{
- public:
-
- typedef enum {kFlavorSelection, kParentSelection} StackFillOpt_t;
- typedef enum {kCountAll, kCountParents, kCountTrackables} CountMode_t;
- typedef enum {kCluster, kCell} JetRecMode_t;
-
- AliGenPythiaPlus();
- AliGenPythiaPlus(AliPythiaBase* pythia);
- virtual ~AliGenPythiaPlus();
- virtual void Generate();
- virtual void Init();
- virtual void SetSeed(UInt_t seed);
-
- // Range of events to be printed
- virtual void SetEventListRange(Int_t eventFirst=-1, Int_t eventLast=-1);
- // Select process type
- virtual void SetProcess(Process_t proc = kPyCharm) {fProcess = proc;}
- // 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;}
- // 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 with mass numbers a1 and a2
- virtual void SetNuclei(Int_t a1, Int_t a2);
- //
- // 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;}
- // 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 SetPhotonInPHOS(Bool_t b) {fCheckPHOS = b; fPhotonInCalo = b;}
- 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;}
- // 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;
- }
- // Set option for selecting particles kept in stack according to flavor
- // or to parent selection
- virtual void SetStackFillOpt(StackFillOpt_t opt) {
- fStackFillOpt = opt;
- }
- // Set fragmentation option
- virtual void SetFragmentation(Bool_t opt) {
- fFragmentation = opt;
- }
- // Set counting mode
- virtual void SetCountMode(CountMode_t mode) {
- fCountMode = mode;
- }
- //
- // Quenching
- //
- // Set quenching mode 0 = no, 1 = AM, 2 = IL
- virtual void SetQuench(Int_t flag = 0) {fQuench = flag;}
- 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 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.);
-
- // Getters
- 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) const
- {etamin = fEtaMinJet; etamax = fEtaMaxJet;}
- 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) const
- {etamin = fEtaMinGamma; etamax = fEtaMaxGamma;}
- virtual void GetGammaPhiRange(Float_t& phimin, Float_t& phimax) const
- {phimin = fPhiMinGamma*180./TMath::Pi(); phimax = fPhiMaxGamma*180./TMath::Pi();}
- // Y range for heavy quark trigger
- virtual void SetHeavyQuarkYRange(Float_t ymin=-20., Float_t ymax=20.){
- fYMinHQ = ymin; fYMaxHQ=ymax; fUseYCutHQ=kTRUE;
- }
-
- //
- Bool_t IsInEMCAL(Float_t phi, Float_t eta) const;
- Bool_t IsInPHOS(Float_t phi, Float_t eta) const;
- //
- virtual void FinishRun();
- Bool_t CheckTrigger(const TParticle* jet1, const TParticle* jet2);
- //Used in some processes to selected child properties
- Bool_t CheckKinematicsOnChild();
- void GetSubEventTime();
- virtual void SetTune(Int_t itune) {fItune = itune;}
- virtual void SetInfo(Int_t info) {fInfo = info;}
- protected:
- // adjust the weight from kinematic cuts
- void AdjustWeights() const;
- Int_t GenerateMB();
- void MakeHeader();
- void GeneratePileup();
- AliPythiaBase *fPythia; //Pythia
- Process_t fProcess; //Process type
- StrucFunc_t fStrucFunc; //Structure Function
- 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 fPtHardMin; //lower pT-hard cut
- Float_t fPtHardMax; //higher pT-hard cut
- Float_t fYHardMin; //lower y-hard cut
- 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 fPtKick; //Transverse momentum kick
- Bool_t fFullEvent; //!Write Full event if true
- AliDecayer *fDecayer; //!Pointer to the decayer instance
- Int_t fDebugEventFirst; //!First event to debug
- Int_t fDebugEventLast; //!Last event to debug
- Float_t fEtMinJet; //Minimum et of triggered Jet
- Float_t fEtMaxJet; //Maximum et of triggered Jet
- Float_t fEtaMinJet; //Minimum eta of triggered Jet
- Float_t fEtaMaxJet; //Maximum eta of triggered Jet
- Float_t fPhiMinJet; //Minimum phi of triggered Jet
- Float_t fPhiMaxJet; //Maximum phi of triggered Jet
- Int_t fJetReconstruction; //Jet Reconstruction mode
- Float_t fEtaMinGamma; // Minimum eta of triggered gamma
- Float_t fEtaMaxGamma; // Maximum eta of triggered gamma
- Float_t fPhiMinGamma; // Minimum phi of triggered gamma
- Float_t fPhiMaxGamma; // Maximum phi of triggered gamma
- Bool_t fUseYCutHQ; // siwtch for using y cut for heavy quarks
- Float_t fYMinHQ; // Minimum y of triggered heavy quarks
- Float_t fYMaxHQ; // Maximum y of triggered heavy quarks
- Float_t fPycellEtaMax; // Max. eta for Pycell
- Int_t fPycellNEta; // Number of eta bins for Pycell
- Int_t fPycellNPhi; // Number of phi bins for Pycell
- Float_t fPycellThreshold; // Pycell threshold
- Float_t fPycellEtSeed; // Pycell seed
- Float_t fPycellMinEtJet; // Pycell min. jet et
- Float_t fPycellMaxRadius; // Pycell cone radius
- StackFillOpt_t fStackFillOpt; // Stack filling with all particles with
- // that flavour or only with selected
- // 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
- Bool_t fNewMIS; // Flag for the new multipple interactions scenario
- Bool_t fHFoff; // Flag for switching heafy flavor production off
- Int_t fTriggerParticle; // Trigger on this particle ...
- Float_t fTriggerEta; // .. within |eta| < fTriggerEta
- 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
- //
- //
-
- 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 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
- //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
- Int_t fItune; // Pythia tune
- Int_t fInfo; // extented event info
- private:
- AliGenPythiaPlus(const AliGenPythiaPlus &Pythia);
- AliGenPythiaPlus & operator=(const AliGenPythiaPlus & rhs);
-
- ClassDef(AliGenPythiaPlus, 4) // AliGenerator interface to Pythia
-};
-#endif
-
-
-
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff