1 #ifndef ALIDIELECTRONPID_H
2 #define ALIDIELECTRONPID_H
4 /* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
7 //#############################################################
9 //# Class AliDielectronPID #
12 //# Anton Andronic, GSI / A.Andronic@gsi.de #
13 //# Ionut C. Arsene, GSI / I.C.Arsene@gsi.de #
14 //# Julian Book, Uni Ffm / Julian.Book@cern.ch #
15 //# Frederick Kramer, Uni Ffm, / Frederick.Kramer@cern.ch #
16 //# Magnus Mager, CERN / Magnus.Mager@cern.ch #
17 //# WooJin J. Park, GSI / W.J.Park@gsi.de #
18 //# Jens Wiechula, Uni HD / Jens.Wiechula@cern.ch #
20 //#############################################################
23 #include <AliAnalysisCuts.h>
24 #include <AliTRDPIDResponse.h>
31 class AliDielectronVarManager;
33 class AliDielectronPID : public AliAnalysisCuts {
35 enum DetType {kITS, kTPC, kTRD, kTRDeleEff, kTRDeleEff2D, kTOF, kEMCAL};
36 enum PIDbitType {kIgnore=0, kRequire, kIfAvailable};
39 AliDielectronPID(const char*name, const char* title);
41 virtual ~AliDielectronPID();
43 void AddCut(DetType det, AliPID::EParticleType type, Double_t nSigmaLow, Double_t nSigmaUp=-99999.,
44 Double_t min=0, Double_t max=0, Bool_t exclude=kFALSE, UInt_t pidBitType=AliDielectronPID::kRequire,
47 void AddCut(DetType det, AliPID::EParticleType type, Double_t nSigmaLow, TF1 * const funUp,
48 Double_t min=0, Double_t max=0, Bool_t exclude=kFALSE, UInt_t pidBitType=AliDielectronPID::kRequire,
51 void AddCut(DetType det, AliPID::EParticleType type, TF1 * const funLow, Double_t nSigmaUp,
52 Double_t min=0, Double_t max=0, Bool_t exclude=kFALSE, UInt_t pidBitType=AliDielectronPID::kRequire,
55 void AddCut(DetType det, AliPID::EParticleType type, TF1 * const funLow, TF1 * const funUp,
56 Double_t min=0, Double_t max=0, Bool_t exclude=kFALSE, UInt_t pidBitType=AliDielectronPID::kRequire,
58 void AddCut(DetType det, AliPID::EParticleType type, Double_t nSigmaLow, Double_t nSigmaUp, Double_t min, Double_t max, Bool_t exclude, UInt_t pidBitType, TF1 * const funSigma);
60 void SetDefaults(Int_t def);
63 //Analysis cuts interface
65 virtual Bool_t IsSelected(TObject* track);
66 virtual Bool_t IsSelected(TList* /* list */ ) {return kFALSE;}
68 static void SetCorrGraph(TGraph * const gr) { fgFitCorr=gr; }
69 static TGraph *GetCorrGraph() { return fgFitCorr; }
71 static void SetCorrVal(Double_t run);
72 static Double_t GetCorrVal() { return fgCorr; }
73 static Double_t GetCorrValdEdx() { return fgCorrdEdx; }
75 static void SetCorrGraphdEdx(TGraph * const gr) { fgdEdxRunCorr=gr; }
76 static TGraph *GetCorrGraphdEdx() { return fgdEdxRunCorr; }
78 static void SetEtaCorrFunction(TF1 *fun) {fgFunEtaCorr=fun;}
79 static TF1* GetEtaCorrFunction() { return fgFunEtaCorr; }
81 static Double_t GetEtaCorr(AliVTrack *track);
86 DetType fDetType[kNmaxPID]; //detector type of nsigma cut
87 AliPID::EParticleType fPartType[kNmaxPID]; //particle type
88 Float_t fNsigmaLow[kNmaxPID]; //lower nsigma bound
89 Float_t fNsigmaUp[kNmaxPID]; //upper nsigma bound
90 Double_t fmin[kNmaxPID]; //lower cut limit
91 Double_t fmax[kNmaxPID]; //upper cut limit
92 Bool_t fExclude[kNmaxPID]; //use as exclusion band
93 TF1 *fFunUpperCut[kNmaxPID];//use function as upper cut
94 TF1 *fFunLowerCut[kNmaxPID];//use function as lower cut
95 UChar_t fNcuts; //number of cuts
96 UChar_t fRequirePIDbit[kNmaxPID]; //How to make use of the pid bit (see)
97 UShort_t fActiveCuts[kNmaxPID]; // list of activated cuts
98 Double_t fSigmaFunLow[kNmaxPID]; // lower bound for fFunSigma
99 Double_t fSigmaFunUp[kNmaxPID]; // upper bound for fFunSigma
100 TF1 *fFunSigma[kNmaxPID]; // use function as cut range
103 AliPIDResponse *fPIDResponse; //! pid response object
105 static TGraph *fgFitCorr; //spline fit object to correct the nsigma deviation in the TPC electron band
106 static Double_t fgCorr; //!correction value for current run. Set if fgFitCorr is set and SetCorrVal(run)
108 static Double_t fgCorrdEdx; //!dEdx correction value for current run. Set if fgFitCorr is set and SetCorrVal(run)
110 static TF1 *fgFunEtaCorr; //function for eta correction of electron sigma
111 static TGraph *fgdEdxRunCorr; //run by run correction for dEdx
113 Bool_t IsSelectedITS(AliVTrack * const part, Int_t icut);
114 Bool_t IsSelectedTPC(AliVTrack * const part, Int_t icut);
115 Bool_t IsSelectedTRD(AliVTrack * const part, Int_t icut);
116 Bool_t IsSelectedTRDeleEff(AliVTrack * const part, Int_t icut, AliTRDPIDResponse::ETRDPIDMethod PIDmethod=AliTRDPIDResponse::kLQ1D);
117 Bool_t IsSelectedTOF(AliVTrack * const part, Int_t icut);
118 Bool_t IsSelectedEMCAL(AliVTrack * const part, Int_t icut);
120 AliDielectronPID(const AliDielectronPID &c);
121 AliDielectronPID &operator=(const AliDielectronPID &c);
123 ClassDef(AliDielectronPID,3) // Dielectron PID