#ifndef ALICONVERSIONCUTS_H #define ALICONVERSIONCUTS_H // Class handling all kinds of selection cuts for Gamma Conversion analysis // Authors: Svein Lindal, Daniel Lohner * #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" class AliESDEvent; class AliAODEvent; class AliConversionPhotonBase; class AliKFVertex; class TH1F; class TH2F; class AliPIDResponse; class AliAnalysisCuts; class iostream; class TList; class AliAnalysisManager; using namespace std; class AliConversionCuts : public AliAnalysisCuts { public: enum cutIds { kgoodId=0, kv0FinderType, keProbCut, kededxSigmaCut, kpidedxSigmaCut, kpiMomdedxSigmaCut, kchi2GammaCut, ksinglePtCut, kclsTPCCut, ketaCut, kchi2MesonCut, kLowPRejectionSigmaCut, kQtMaxCut, kpiMaxMomdedxSigmaCut, kalphaMesonCut, kminRCut, kRapidityMesonCut, kBackgroundScheme, kDegreesForRotationMethod, kNumberOfRotations, kremovePileUp, kselectV0AND, kmultiplicityBin, kisHeavyIon, kuseCentrality, kcentralityBin, kTOFelectronPID, kuseMCPSmearing, kdoPhotonAsymmetryCut, kPsiPair, kCosPAngle, // kHBTmultiplicityBin, // kprimaryCutNumber, // kuseBayesPID, // kdalitzelectronsPID, // kpsiCutNumber, // kdalitzBackgroundType, // keleclsTPCCut, kNCuts }; Bool_t SetCutIds(TString cutString); Int_t fCuts[kNCuts]; Bool_t SetCut(cutIds cutID, Int_t cut); Bool_t UpdateCutString(cutIds cutID, Int_t value); static const char * fgkCutNames[kNCuts]; Double_t GetPsiPair(const AliESDv0* v0, const AliESDEvent * event) const; Double_t GetCosineOfPointingAngle(const AliConversionPhotonBase * photon, const AliVEvent * event) const; Bool_t InitializeCutsFromCutString(const TString analysisCutSelection); AliConversionCuts(const char *name="V0Cuts", const char * title="V0 Cuts"); virtual ~AliConversionCuts(); //virtual destructor virtual Bool_t IsSelected(TObject* /*obj*/){return kTRUE;} virtual Bool_t IsSelected(TList* /*list*/) {return kTRUE;} TString GetCutNumber(); // Cut Selection Bool_t EventIsSelected(AliVEvent *fInputEvent); Bool_t PhotonIsSelected(AliConversionPhotonBase * photon, AliVEvent * event,Bool_t DoOnlyPhotonCuts=kFALSE); Bool_t PhotonIsSelectedMC(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 InitAODpidUtil(Int_t type); static AliConversionCuts * GetStandardCuts2010PbPb(); Bool_t InitPIDResponse(); void SetPIDResponse(AliPIDResponse * pidResponse) {fPIDResponse = pidResponse;} AliPIDResponse * GetPIDResponse() { return fPIDResponse;} void PrintCuts(); void InitCutHistograms(); void SetFillCutHistograms(){if(!fHistograms){InitCutHistograms();};} TList *GetCutHistograms(){return fHistograms;} AliVTrack * GetTrack(AliVEvent * event, Int_t label) const; ///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){return onfly&&fUseOnFlyV0Finder;} Bool_t PhotonCuts(AliConversionPhotonBase *photon,AliVEvent *event); Bool_t CorrectedTPCClusterCut(AliConversionPhotonBase *photon, AliVEvent * event); Bool_t PsiPairCut(const AliConversionPhotonBase * photon, const AliVEvent * event) const; Bool_t CosinePAngleCut(const AliConversionPhotonBase * photon, const AliVEvent * event) const; // Event Cuts Bool_t IsCentralitySelected(AliVEvent *fInputEvent); Double_t GetCentrality(AliVEvent *event); Int_t GetNumberOfContributorsVtx(AliVEvent *event); Bool_t VertexZCut(AliVEvent *fInputEvent); // Set Individual Cuts Bool_t SetRCut(Int_t RCut); Bool_t SetV0Finder(Int_t v0FinderType); Bool_t SetElectronProbCut(Int_t eProbCut); 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 SetChi2MesonCut(Int_t chi2MesonCut); 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 SetAlphaMesonCut(Int_t alphaMesonCut); Bool_t SetTOFElectronPIDCut(Int_t TOFelectronPID); Bool_t SetTRDElectronCut(Int_t TRDElectronCut); Bool_t SetRapidityMesonCut(Int_t RapidityMesonCut); Bool_t SetUseCentrality(Int_t useCentrality); Bool_t SetIsHeavyIon(Int_t isHeavyIon); Bool_t SetCentralityBin(Int_t centralityBin); Bool_t SetPhotonAsymmetryCut(Int_t doPhotonAsymmetryCut); Bool_t SetRemovePileUp(Int_t removePileUp); Bool_t SetBackgroundScheme(Int_t BackgroundScheme); Bool_t SetNDegreesForRotationMethod(Int_t DegreesForRotationMethod); Bool_t SetNumberOfRotations(Int_t NumberOfRotations); Bool_t SetMCPSmearing(Int_t useMCPSmearing); Bool_t SetMultiplicityBin(Int_t multiplicityBin); Bool_t SetSelectV0AND(Int_t selectV0AND); Bool_t SetCosPAngleCut(Int_t cosCut); Bool_t SetPsiPairCut(Int_t psiCut); // Request Flags Bool_t UseRotationMethod(){return fUseRotationMethodInBG;} Int_t NumberOfRotationEvents(){return fnumberOfRotationEventsForBG;} Int_t NDegreesRotation(){return fnDegreeRotationPMForBG;} Bool_t IsHeavyIon(){return fIsHeavyIon;} Bool_t UseTrackMultiplicity(){return fUseTrackMultiplicityForBG;} Int_t GetFirstTPCRow(Double_t radius); 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 fChi2CutMeson; //chicut meson 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 fDoHighPtQtGammaSelection; // RRnew Select gammas using qtMax for high pT Double_t fQtMax; // Maximum Qt from Armenteros to select Gammas Double_t fHighPtQtMax; // RRnew Maximum Qt for High pT from Armenteros to select Gammas Double_t fPtBorderForQt; // RRnew Double_t fXVertexCut; //vertex cut Double_t fYVertexCut; //vertex cut Double_t fZVertexCut; // vertexcut 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 fIsHeavyIon; // flag for heavy ion Double_t fMaxVertexZ; // max z offset of vertex Bool_t fUseCentrality; // centrality selection Bool_t fUseCentralityBin; // centrality selection with individual bins Bool_t fUseCorrectedTPCClsInfo; // flag to use corrected tpc cl info Bool_t fUseTOFpid; // flag to use tof pid Double_t fAlphaMinCutMeson; // min value for meson alpha cut Double_t fAlphaCutMeson; // max value for meson alpha cut Double_t fRapidityCutMeson; // max value for meson rapidity Bool_t fUseRotationMethodInBG; // flag to apply rotation method for meson bg estimation Bool_t fdoBGProbability; // flag to use probability method for meson bg estimation Bool_t fUseTrackMultiplicityForBG; // flag to use track multiplicity for meson bg estimation (else V0 mult) Int_t fnDegreeRotationPMForBG; // Int_t fnumberOfRotationEventsForBG; // Bool_t fUseMCPSmearing; // flag Double_t fPBremSmearing;// Double_t fPSigSmearing; // Double_t fPSigSmearingCte; // Bool_t fUseMultiplicity; // flag Int_t fUseMultiplicityBin; // selected multiplicity bin Bool_t fSelectV0AND; // flag Bool_t fRemovePileUp; //flag Float_t fOpeningAngle; // min opening angle for meson Float_t fPsiPairCut; Float_t fCosPAngleCut; // Histograms TObjString *fCutString; // cut number used for analysis TH1F *hdEdxCuts; // bookkeeping for dEdx cuts TH2F *hTPCdEdxbefore; // TPC dEdx before cuts TH2F *hTPCdEdxafter; // TPC dEdx 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 *hV0EventCuts; // bookkeeping for event selection cuts TH1F *hCentrality; // centrality distribution for selected events TH1F *hVertexZ; // vertex z distribution for selected events TH1F *hMesonCuts; // bookkeeping for meson cuts TH1F *hMesonBGCuts; // bookkeeping for meson bg cuts private: AliConversionCuts(const AliConversionCuts&); // not implemented AliConversionCuts& operator=(const AliConversionCuts&); // not implemented ClassDef(AliConversionCuts,2) }; inline void AliConversionCuts::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