#ifndef ALICONVERSIONPHOTONCUTS_H #define ALICONVERSIONPHOTONCUTS_H // Class handling all kinds of selection cuts for Gamma Conversion analysis // Authors: Friederike Bock #include "AliAODpidUtil.h" #include "AliConversionPhotonBase.h" #include "AliAODConversionMother.h" #include "AliAODTrack.h" #include "AliESDtrack.h" #include "AliVTrack.h" #include "AliAODTrack.h" #include "AliStack.h" #include "AliAnalysisCuts.h" #include "TH1F.h" #include "TF1.h" #include "AliAnalysisUtils.h" #include "AliAnalysisManager.h" class AliESDEvent; class AliAODEvent; class AliConversionPhotonBase; class AliPIDResponse; class AliKFVertex; class TH1F; class TH2F; class TF1; class AliAnalysisCuts; class iostream; class TList; class AliAnalysisManager; class AliAODMCParticle; using namespace std; class AliConversionPhotonCuts : public AliAnalysisCuts { public: enum cutIds { kv0FinderType, ketaCut, kRCut, ksinglePtCut, kclsTPCCut, kededxSigmaCut, kpidedxSigmaCut, kpiMomdedxSigmaCut, kpiMaxMomdedxSigmaCut, kLowPRejectionSigmaCut, kTOFelectronPID, kQtMaxCut, kchi2GammaCut, kPsiPair, kdoPhotonAsymmetryCut, kCosPAngle, kElecShare, kToCloseV0s, kDcaRPrimVtx, kDcaZPrimVtx, kInPlaneOutOfPlane, kNCuts }; enum photonCuts { kPhotonIn=0, kOnFly, kNoTracks, kTrackCuts, kdEdxCuts, kConvPointFail, kPhotonCuts, kEventPlane, kPhotonOut }; Bool_t SetCutIds(TString cutString); Int_t fCuts[kNCuts]; Bool_t SetCut(cutIds cutID, Int_t cut); Bool_t UpdateCutString(); static const char * fgkCutNames[kNCuts]; Double_t GetCosineOfPointingAngle(const AliConversionPhotonBase * photon, AliVEvent * event) const; Bool_t InitializeCutsFromCutString(const TString analysisCutSelection); void FillElectonLabelArray(AliAODConversionPhoton* photon, Int_t nV0); void SetPreSelectionCutFlag(Bool_t preSelFlag){fPreSelCut = preSelFlag;} AliConversionPhotonCuts(const char *name="V0Cuts", const char * title="V0 Cuts"); AliConversionPhotonCuts(const AliConversionPhotonCuts&); AliConversionPhotonCuts& operator=(const AliConversionPhotonCuts&); virtual ~AliConversionPhotonCuts(); //virtual destructor static AliConversionPhotonCuts * GetStandardCuts2010PbPb(); static AliConversionPhotonCuts * GetStandardCuts2010pp(); void InitAODpidUtil(Int_t type); Bool_t InitPIDResponse(); void SetPIDResponse(AliPIDResponse * pidResponse) {fPIDResponse = pidResponse;} AliPIDResponse * GetPIDResponse() { return fPIDResponse;} virtual Bool_t IsSelected(TObject* /*obj*/){return kTRUE;} virtual Bool_t IsSelected(TList* /*list*/) {return kTRUE;} TString GetCutNumber(); // Cut Selection Bool_t PhotonIsSelected(AliConversionPhotonBase * photon, AliVEvent * event); Bool_t PhotonIsSelectedMC(TParticle *particle,AliStack *fMCStack,Bool_t checkForConvertedGamma=kTRUE); Bool_t PhotonIsSelectedAODMC(AliAODMCParticle *particle,TClonesArray *aodmcArray,Bool_t checkForConvertedGamma=kTRUE); Bool_t ElectronIsSelectedMC(TParticle *particle,AliStack *fMCStack); Bool_t TracksAreSelected(AliVTrack * negTrack, AliVTrack * posTrack); Bool_t MesonIsSelected(AliAODConversionMother *pi0,Bool_t IsSignal=kTRUE); Bool_t MesonIsSelectedMC(TParticle *fMCMother,AliStack *fMCStack, Bool_t bMCDaughtersInAcceptance=kFALSE); void PrintCuts(); void PrintCutsWithValues(); void InitCutHistograms(TString name="",Bool_t preCut = kTRUE); void SetFillCutHistograms(TString name="",Bool_t preCut = kTRUE){if(!fHistograms){InitCutHistograms(name,preCut);};} TList *GetCutHistograms(){return fHistograms;} void FillPhotonCutIndex(Int_t photoncut){if(hCutIndex)hCutIndex->Fill(photoncut);} void FillV0EtaBeforedEdxCuts(Float_t v0Eta){if(hEtaDistV0s)hEtaDistV0s->Fill(v0Eta);} void FillV0EtaAfterdEdxCuts(Float_t v0Eta){if(hEtaDistV0sAfterdEdxCuts)hEtaDistV0sAfterdEdxCuts->Fill(v0Eta);} static AliVTrack * GetTrack(AliVEvent * event, Int_t label); static AliESDtrack *GetESDTrack(AliESDEvent * event, Int_t label); ///Cut functions Bool_t SpecificTrackCuts(AliAODTrack * negTrack, AliAODTrack * posTrack,Int_t &cutIndex); Bool_t SpecificTrackCuts(AliESDtrack * negTrack, AliESDtrack * posTrack,Int_t &cutIndex); Bool_t AcceptanceCuts(AliConversionPhotonBase *photon); Bool_t AcceptanceCut(TParticle *particle, TParticle * ePos,TParticle* eNeg); Bool_t dEdxCuts(AliVTrack * track); Bool_t ArmenterosQtCut(AliConversionPhotonBase *photon); Bool_t AsymmetryCut(AliConversionPhotonBase *photon,AliVEvent *event); Bool_t PIDProbabilityCut(AliConversionPhotonBase *photon, AliVEvent * event); Bool_t SelectV0Finder(Bool_t onfly){ if(onfly == fUseOnFlyV0Finder) return kTRUE; else return kFALSE; } Bool_t PhotonCuts(AliConversionPhotonBase *photon,AliVEvent *event); Bool_t CorrectedTPCClusterCut(AliConversionPhotonBase *photon, AliVEvent * event); Bool_t PsiPairCut(const AliConversionPhotonBase * photon) const; Bool_t CosinePAngleCut(const AliConversionPhotonBase * photon, AliVEvent * event) const; Bool_t RejectSharedElectronV0s(AliAODConversionPhoton* photon, Int_t nV0, Int_t nV0s); Bool_t RejectToCloseV0s(AliAODConversionPhoton* photon, TList *photons, Int_t nV0); UChar_t DeterminePhotonQualityAOD(AliAODConversionPhoton*, AliVEvent*); Bool_t InPlaneOutOfPlaneCut(Double_t photonPhi, Double_t eventPlaneAngle = -100, Bool_t fill = kTRUE); Int_t GetInPlaneOutOfPlaneCut(){return fInPlaneOutOfPlane;} // Set Individual Cuts Bool_t SetRCut(Int_t RCut); Bool_t SetV0Finder(Int_t v0FinderType); Bool_t SetChi2GammaCut(Int_t chi2GammaCut); Bool_t SetTPCdEdxCutPionLine(Int_t pidedxSigmaCut); Bool_t SetTPCdEdxCutElectronLine(Int_t ededxSigmaCut); Bool_t SetSinglePtCut(Int_t singlePtCut); Bool_t SetTPCClusterCut(Int_t clsTPCCut); Bool_t SetEtaCut(Int_t etaCut); Bool_t SetMinMomPiondEdxCut(Int_t piMinMomdedxSigmaCut); Bool_t SetMaxMomPiondEdxCut(Int_t piMaxMomdedxSigmaCut); Bool_t SetLowPRejectionCuts(Int_t LowPRejectionSigmaCut); Bool_t SetQtMaxCut(Int_t QtMaxCut); Bool_t SetTOFElectronPIDCut(Int_t TOFelectronPID); Bool_t SetTRDElectronCut(Int_t TRDElectronCut); Bool_t SetPhotonAsymmetryCut(Int_t doPhotonAsymmetryCut); Bool_t SetCosPAngleCut(Int_t cosCut); Bool_t SetPsiPairCut(Int_t psiCut); Bool_t SetSharedElectronCut(Int_t sharedElec); Bool_t SetToCloseV0sCut(Int_t toClose); Bool_t SetDCARPhotonPrimVtxCut(Int_t DCARPhotonPrimVtx); Bool_t SetDCAZPhotonPrimVtxCut(Int_t DCAZPhotonPrimVtx); Bool_t SetInPlaneOutOfPlane(Int_t inOutPlane); void SetIsHeavyIon(Int_t isHeavyIon){fIsHeavyIon=isHeavyIon;} Int_t GetFirstTPCRow(Double_t radius); // Request Flags Bool_t UseElecSharingCut(){return fDoSharedElecCut;} Bool_t UseToCloseV0sCut(){return fDoToCloseV0sCut;} Double_t GetEtaCut(){return fEtaCut;} protected: TList *fHistograms; // AliPIDResponse *fPIDResponse; // //cuts Double_t fMaxR; // r cut Double_t fMinR; // r cut Double_t fEtaCut; // eta cut Double_t fEtaCutMin; // eta cut Double_t fPtCut; // pt cut Double_t fSinglePtCut; // pt cut for electron/positron Double_t fMaxZ; // z cut Double_t fMinClsTPC; // minimum clusters in the TPC Double_t fMinClsTPCToF; // minimum clusters to findable clusters Double_t fLineCutZRSlope; // linecut Double_t fLineCutZValue; // linecut Double_t fLineCutZRSlopeMin; // linecut Double_t fLineCutZValueMin; // linecut Double_t fChi2CutConversion; // chi2cut Double_t fPIDProbabilityCutNegativeParticle; // Double_t fPIDProbabilityCutPositiveParticle; // Bool_t fDodEdxSigmaCut; // flag to use the dEdxCut based on sigmas Bool_t fDoTOFsigmaCut; // flag to use TOF pid cut RRnewTOF Double_t fPIDTRDEfficiency; // required electron efficiency for TRD PID Bool_t fDoTRDPID; // flag to use TRD pid Double_t fPIDnSigmaAboveElectronLine; // sigma cut Double_t fPIDnSigmaBelowElectronLine; // sigma cut Double_t fTofPIDnSigmaAboveElectronLine; // sigma cut RRnewTOF Double_t fTofPIDnSigmaBelowElectronLine; // sigma cut RRnewTOF Double_t fPIDnSigmaAbovePionLine; // sigma cut Double_t fPIDnSigmaAbovePionLineHighPt; // sigma cut Double_t fPIDMinPnSigmaAbovePionLine; // sigma cut Double_t fPIDMaxPnSigmaAbovePionLine; // sigma cut Double_t fDoKaonRejectionLowP; // Kaon rejection at low p Double_t fDoProtonRejectionLowP; // Proton rejection at low p Double_t fDoPionRejectionLowP; // Pion rejection at low p Double_t fPIDnSigmaAtLowPAroundKaonLine; // sigma cut Double_t fPIDnSigmaAtLowPAroundProtonLine; // sigma cut Double_t fPIDnSigmaAtLowPAroundPionLine; // sigma cut Double_t fPIDMinPKaonRejectionLowP; // Momentum limit to apply kaon rejection Double_t fPIDMinPProtonRejectionLowP; // Momentum limit to apply proton rejection Double_t fPIDMinPPionRejectionLowP; // Momentum limit to apply proton rejection Bool_t fDoQtGammaSelection; // Select gammas using qtMax Bool_t fDo2DQt; // Select gammas using ellipse cut Double_t fQtMax; // Maximum Qt from Armenteros to select Gammas Double_t fNSigmaMass; // nsigma cut Bool_t fUseEtaMinCut; // flag Bool_t fUseOnFlyV0Finder; // flag Bool_t fDoPhotonAsymmetryCut; // flag to use the PhotonAsymetryCut Double_t fMinPPhotonAsymmetryCut; // Min Momentum for Asymmetry Cut Double_t fMinPhotonAsymmetry; // Asymmetry Cut Bool_t fUseCorrectedTPCClsInfo; // flag to use corrected tpc cl info Bool_t fUseTOFpid; // flag to use tof pid Float_t fOpeningAngle; // min opening angle for meson Float_t fPsiPairCut; // Bool_t fDo2DPsiPairChi2; // Float_t fCosPAngleCut; // Bool_t fDoToCloseV0sCut; // Double_t fminV0Dist; // Bool_t fDoSharedElecCut; // Bool_t fDoPhotonQualitySelectionCut; // Int_t fPhotonQualityCut; // TRandom3 fRandom; // Int_t fElectronArraySize; // Size of electron array Int_t *fElectronLabelArray; //[fElectronArraySize] Double_t fDCAZPrimVtxCut; // cut value for the maximum distance in Z between the photon & the primary vertex [cm] Double_t fDCARPrimVtxCut; // cut value for the maximum distance in R between the photon & the primary vertex [cm] Int_t fInPlaneOutOfPlane; // In-Plane Out-Of Plane Analysis Float_t fConversionPointXArray; // Array with conversion Point x Float_t fConversionPointYArray; // Array with conversion Point y Float_t fConversionPointZArray; // Array with conversion Point z TObjString *fCutString; // cut number used for analysis Int_t fIsHeavyIon; // flag for pp (0), PbPb (1), pPb (2) // Histograms TH1F *hEtaDistV0s; // eta-distribution of all V0s after Finder selection TH1F *hEtaDistV0sAfterdEdxCuts; // eta-distribution of all V0s after Finder selection after dEdx cuts TH1F *hdEdxCuts; // bookkeeping for dEdx cuts TH2F *hTPCdEdxbefore; // TPC dEdx before cuts TH2F *hTPCdEdxafter; // TPC dEdx after cuts TH2F *hTPCdEdxSigbefore; // TPC Sigma dEdx before cuts TH2F *hTPCdEdxSigafter; // TPC Sigm dEdx after cuts TH2F *hTOFbefore; // TOF before cuts TH2F *hTOFSigbefore; // TOF Sigma before cuts TH2F *hTOFSigafter; // TOF Sigma after cuts TH2F *hPsiPairDeltaPhiafter; // TOF Sigma after cuts TH1F *hTrackCuts; // bookkeeping for track cuts TH1F *hPhotonCuts; // bookkeeping for photon specific cuts TH1F *hInvMassbefore; // e+e- inv mass distribution before cuts TH2F *hArmenterosbefore; // armenteros podolanski plot before cuts TH1F *hInvMassafter; // e+e- inv mass distribution after cuts TH2F *hArmenterosafter; // armenteros podolanski plot after cuts TH1F *hAcceptanceCuts; // bookkeeping for acceptance cuts TH1F *hCutIndex; // bookkeeping for cuts TH1F *hEventPlanePhi; // EventPlaneAngle Minus Photon Angle Bool_t fPreSelCut; // Flag for preselection cut used in V0Reader private: ClassDef(AliConversionPhotonCuts,1) }; inline void AliConversionPhotonCuts::InitAODpidUtil(Int_t type) { if (!fPIDResponse) fPIDResponse = new AliAODpidUtil(); Double_t alephParameters[5]; // simulation alephParameters[0] = 2.15898e+00/50.; alephParameters[1] = 1.75295e+01; alephParameters[2] = 3.40030e-09; alephParameters[3] = 1.96178e+00; alephParameters[4] = 3.91720e+00; fPIDResponse->GetTOFResponse().SetTimeResolution(80.); // data if (type==1){ alephParameters[0] = 0.0283086/0.97; alephParameters[1] = 2.63394e+01; alephParameters[2] = 5.04114e-11; alephParameters[3] = 2.12543e+00; alephParameters[4] = 4.88663e+00; fPIDResponse->GetTOFResponse().SetTimeResolution(130.); fPIDResponse->GetTPCResponse().SetMip(50.); } fPIDResponse->GetTPCResponse().SetBetheBlochParameters( alephParameters[0],alephParameters[1],alephParameters[2], alephParameters[3],alephParameters[4]); fPIDResponse->GetTPCResponse().SetSigma(3.79301e-03, 2.21280e+04); } #endif