#ifndef ALICALOPID_H #define ALICALOPID_H /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ //_________________________________________________________________________ // Class for PID selection with calorimeters // The Output of the main method GetIdentifiedParticleType is a PDG number identifying the cluster, // being kPhoton, kElectron, kPi0 ... as defined in the header file // - GetIdentifiedParticleType(const AliVCluster * cluster) // Assignes a PID tag to the cluster, right now there is the possibility to : use bayesian weights from reco, // recalculate them (EMCAL) or use other procedures not used in reco. // In order to recalculate Bayesian, it is necessary to load the EMCALUtils library // and do SwitchOnBayesianRecalculation(). // To change the PID parameters from Low to High like the ones by default, use the constructor // AliCaloPID(flux) // where flux is AliCaloPID::kLow or AliCaloPID::kHigh // If it is necessary to change the parameters use the constructor // AliCaloPID(AliEMCALPIDUtils *utils) and set the parameters before. // - GetGetIdentifiedParticleTypeFromBayesian(const Double_t * pid, const Float_t energy) // Reads the PID weights array of the ESDs and depending on its magnitude identifies the particle, // executed when bayesian is ON by GetIdentifiedParticleType(const AliVCluster * cluster) // - SetPIDBits: Simple PID, depending on the thresholds fLOCut fTOFCut and even the // result of the PID bayesian a different PID bit is set. // // //*-- Author: Gustavo Conesa (INFN-LNF) // --- ROOT system --- #include class TString ; class TLorentzVector ; #include class TList; class TH2F ; //--- AliRoot system --- class AliVCluster; class AliVCaloCells; class AliAODPWG4Particle; class AliEMCALPIDUtils; class AliCalorimeterUtils; class AliVEvent; class AliCaloPID : public TObject { public: AliCaloPID() ; // ctor AliCaloPID(const Int_t particleFlux) ; // ctor, to be used when recalculating bayesian PID AliCaloPID(const TNamed * emcalpid) ; // ctor, to be used when recalculating bayesian PID and need different parameters virtual ~AliCaloPID() ;//virtual dtor enum PidType { kPhoton = 22, kPi0 = 111, kEta = 221, kElectron = 11, kEleCon =-11, kNeutralHadron = 2112, kChargedHadron = 211, kNeutralUnknown = 130, kChargedUnknown = 321 }; enum TagType {kPi0Decay, kEtaDecay, kOtherDecay, kConversion, kNoTag = -1}; // Main methods TList * GetCreateOutputObjects(); void InitParameters(); Int_t GetIdentifiedParticleTypeFromBayesWeights(const Bool_t isEMCAL, const Double_t * pid, const Float_t energy) ; Int_t GetIdentifiedParticleTypeFromClusterSplitting(AliVCluster * cluster, AliVCaloCells* cells, AliCalorimeterUtils * caloutils, Double_t vertex[3], Int_t & nLocMax, Double_t & mass, Double_t & angle, Double_t & e1 , Double_t & e2 ) ; Int_t GetIdentifiedParticleType(const AliVCluster * cluster) ; TString GetPIDParametersList(); Bool_t IsTrackMatched(AliVCluster * cluster, AliCalorimeterUtils* cu, AliVEvent* event) const ; void SetPIDBits(AliVCluster * cluster, AliAODPWG4Particle *aodph, AliCalorimeterUtils* cu, AliVEvent* event); void Print(const Option_t * opt)const; void PrintClusterPIDWeights(const Double_t * pid) const; //Check if cluster photon-like. Uses photon cluster parameterization in real pp data //Returns distance in sigmas. Recommended cut 2.5 Float_t TestPHOSDispersion(const Double_t pt, const Double_t m20, const Double_t m02) const ; //Checks distance to the closest track. Takes into account //non-perpendicular incidence of tracks. Float_t TestPHOSChargedVeto(const Double_t dx, const Double_t dz, const Double_t ptTrack, const Int_t chargeTrack, const Double_t mf) const ; // Setters, getters void SetDebug(Int_t deb) { fDebug = deb ; } Int_t GetDebug() const { return fDebug ; } enum eventType{kLow,kHigh}; void SetLowParticleFlux() { fParticleFlux = kLow ; } void SetHighParticleFlux() { fParticleFlux = kHigh ; } // not really used, only for bayesian recalculation in EMCAL, but could be useful in future // Bayesian void SwitchOnBayesian() { fUseBayesianWeights = kTRUE ; } void SwitchOffBayesian() { fUseBayesianWeights = kFALSE; } void SwitchOnBayesianRecalculation() { fRecalculateBayesian = kTRUE ; fUseBayesianWeights = kTRUE ;} // EMCAL void SwitchOffBayesianRecalculation() { fRecalculateBayesian = kFALSE; } // EMCAL AliEMCALPIDUtils * GetEMCALPIDUtils() ; //Weight getters Float_t GetEMCALPhotonWeight() const { return fEMCALPhotonWeight ; } Float_t GetEMCALPi0Weight() const { return fEMCALPi0Weight ; } Float_t GetEMCALElectronWeight() const { return fEMCALElectronWeight ; } Float_t GetEMCALChargeWeight() const { return fEMCALChargeWeight ; } Float_t GetEMCALNeutralWeight() const { return fEMCALNeutralWeight ; } Float_t GetPHOSPhotonWeight() const { return fPHOSPhotonWeight ; } Float_t GetPHOSPi0Weight() const { return fPHOSPi0Weight ; } Float_t GetPHOSElectronWeight() const { return fPHOSElectronWeight ; } Float_t GetPHOSChargeWeight() const { return fPHOSChargeWeight ; } Float_t GetPHOSNeutralWeight() const { return fPHOSNeutralWeight ; } Bool_t IsPHOSPIDWeightFormulaOn() const { return fPHOSWeightFormula ; } TFormula * GetPHOSPhotonWeightFormula() { if(!fPHOSPhotonWeightFormula) fPHOSPhotonWeightFormula = new TFormula("phos_photon_weight", fPHOSPhotonWeightFormulaExpression); return fPHOSPhotonWeightFormula ; } TFormula * GetPHOSPi0WeightFormula() { if(!fPHOSPi0WeightFormula) fPHOSPi0WeightFormula = new TFormula("phos_pi0_weight", fPHOSPi0WeightFormulaExpression); return fPHOSPi0WeightFormula ; } TString GetPHOSPhotonWeightFormulaExpression() const { return fPHOSPhotonWeightFormulaExpression ; } TString GetPHOSPi0WeightFormulaExpression() const { return fPHOSPi0WeightFormulaExpression ; } //Weight setters void SetEMCALPhotonWeight (Float_t w) { fEMCALPhotonWeight = w ; } void SetEMCALPi0Weight (Float_t w) { fEMCALPi0Weight = w ; } void SetEMCALElectronWeight(Float_t w) { fEMCALElectronWeight = w ; } void SetEMCALChargeWeight (Float_t w) { fEMCALChargeWeight = w ; } void SetEMCALNeutralWeight (Float_t w) { fEMCALNeutralWeight = w ; } void SetPHOSPhotonWeight (Float_t w) { fPHOSPhotonWeight = w ; } void SetPHOSPi0Weight (Float_t w) { fPHOSPi0Weight = w ; } void SetPHOSElectronWeight (Float_t w) { fPHOSElectronWeight = w ; } void SetPHOSChargeWeight (Float_t w) { fPHOSChargeWeight = w ; } void SetPHOSNeutralWeight (Float_t w) { fPHOSNeutralWeight = w ; } void UsePHOSPIDWeightFormula (Bool_t ok ) { fPHOSWeightFormula = ok ; } void SetPHOSPhotonWeightFormulaExpression(TString ph) { fPHOSPhotonWeightFormulaExpression = ph ; } void SetPHOSPi0WeightFormulaExpression (TString pi) { fPHOSPi0WeightFormulaExpression = pi ; } //PID cuts void SetEMCALLambda0CutMax(Float_t lcut ) { fEMCALL0CutMax = lcut ; } Float_t GetEMCALLambda0CutMax() const { return fEMCALL0CutMax ; } void SetEMCALLambda0CutMin(Float_t lcut ) { fEMCALL0CutMin = lcut ; } Float_t GetEMCALLambda0CutMin() const { return fEMCALL0CutMin ; } void SetEMCALDEtaCut(Float_t dcut ) { fEMCALDEtaCut = dcut ; } Float_t GetEMCALDEtaCut() const { return fEMCALDEtaCut ; } void SetEMCALDPhiCut(Float_t dcut ) { fEMCALDPhiCut = dcut ; } Float_t GetEMCALDPhiCut() const { return fEMCALDPhiCut ; } void SetTOFCut(Float_t tcut ) { fTOFCut = tcut ; } Float_t GetTOFCut() const { return fTOFCut ; } void SetPHOSRCut(Float_t rcut ) { fPHOSRCut = rcut ; } Float_t GetPHOSRCut() const { return fPHOSRCut ; } void SetPHOSDispersionCut(Float_t dcut ) { fPHOSDispersionCut = dcut ; } Float_t GetPHOSDispersionCut() const { return fPHOSDispersionCut ; } // Cluster splitting analysis void SwitchOnClusterSplittingPID() { fDoClusterSplitting = kTRUE ; } void SwitchOffClusterplittingPID() { fDoClusterSplitting = kFALSE ; } void SetClusterSplittingM02Cut(Float_t min=0, Float_t max=100) { fSplitM02MinCut = min ; fSplitM02MaxCut = max ; } void SetClusterSplittingMinNCells(Int_t cut) { fSplitMinNCells = cut ; } Float_t GetPi0MinMass() const { return fMassPi0Min ; } Float_t GetEtaMinMass() const { return fMassEtaMin ; } Float_t GetPhotonMinMass() const { return fMassPhoMin ; } Float_t GetPi0MaxMass() const { return fMassPi0Max ; } Float_t GetEtaMaxMass() const { return fMassEtaMax ; } Float_t GetPhotonMaxMass() const { return fMassPhoMax ; } void SetPi0MassRange(Float_t min, Float_t max) { fMassPi0Min = min ; fMassPi0Max = max ; } void SetEtaMassRange(Float_t min, Float_t max) { fMassEtaMin = min ; fMassEtaMax = max ; } void SetPhotonMassRange(Float_t min, Float_t max) { fMassPhoMin = min ; fMassPhoMax = max ; } private: Int_t fDebug; // Debug level Int_t fParticleFlux; // Particle flux for setting PID parameters // Bayesian AliEMCALPIDUtils * fEMCALPIDUtils; // Pointer to EMCALPID to redo the PID Bayesian calculation Bool_t fUseBayesianWeights; // Select clusters based on weights calculated in reconstruction Bool_t fRecalculateBayesian; // Recalculate PID bayesian or use simple PID? Float_t fEMCALPhotonWeight; // Bayesian PID weight for photons in EMCAL Float_t fEMCALPi0Weight; // Bayesian PID weight for pi0 in EMCAL Float_t fEMCALElectronWeight; // Bayesian PID weight for electrons in EMCAL Float_t fEMCALChargeWeight; // Bayesian PID weight for charged hadrons in EMCAL Float_t fEMCALNeutralWeight; // Bayesian PID weight for neutral hadrons in EMCAL Float_t fPHOSPhotonWeight; // Bayesian PID weight for photons in PHOS Float_t fPHOSPi0Weight; // Bayesian PID weight for pi0 in PHOS Float_t fPHOSElectronWeight; // Bayesian PID weight for electrons in PHOS Float_t fPHOSChargeWeight; // Bayesian PID weight for charged hadrons in PHOS Float_t fPHOSNeutralWeight; // Bayesian PID weight for neutral hadrons in PHOS Bool_t fPHOSWeightFormula ; // Use parametrized weight threshold, function of energy TFormula *fPHOSPhotonWeightFormula ; // Formula for photon weight TFormula *fPHOSPi0WeightFormula ; // Formula for pi0 weight TString fPHOSPhotonWeightFormulaExpression; // Photon weight formula in string TString fPHOSPi0WeightFormulaExpression; // Pi0 weight formula in string // PID calculation Float_t fEMCALL0CutMax; // Max Cut on shower shape lambda0, used in PID evaluation, only EMCAL Float_t fEMCALL0CutMin; // Min Cut on shower shape lambda0, used in PID evaluation, only EMCAL Float_t fEMCALDEtaCut; // Track matching cut on Dz Float_t fEMCALDPhiCut; // Track matching cut on Dx Float_t fTOFCut; // Cut on TOF, used in PID evaluation Float_t fPHOSDispersionCut; // Shower shape elipse radious cut Float_t fPHOSRCut; // Track-Cluster distance cut for track matching in PHOS // Cluster splitting mass ranges Bool_t fDoClusterSplitting; // Cluster splitting analysis Float_t fSplitM02MaxCut ; // Study clusters with l0 smaller than cut Float_t fSplitM02MinCut ; // Study clusters with l0 larger than cut Int_t fSplitMinNCells ; // Study clusters with ncells larger than cut Float_t fMassEtaMin ; // Min Eta mass Float_t fMassEtaMax ; // Max Eta mass Float_t fMassPi0Min ; // Min Pi0 mass Float_t fMassPi0Max ; // Min Pi0 mass Float_t fMassPhoMin ; // Min Photon mass Float_t fMassPhoMax ; // Min Photon mass AliCaloPID & operator = (const AliCaloPID & g) ; // cpy assignment AliCaloPID( const AliCaloPID & g) ; // cpy ctor ClassDef(AliCaloPID,13) } ; #endif //ALICALOPID_H