1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 // Does electron selection based on dE/dx
18 // For more information please check the implementation file
20 #ifndef ALIHFEPIDTPC_H
21 #define ALIHFEPIDTPC_H
23 #ifndef ALIHFEPIDBASE_H
24 #include "AliHFEpidBase.h"
33 class AliAODMCParticle;
37 class AliHFEcollection;
38 class AliHFEpidQAmanager;
40 class AliHFEpidTPC : public AliHFEpidBase{
43 AliHFEpidTPC(const Char_t *name);
44 AliHFEpidTPC(const AliHFEpidTPC &ref);
45 AliHFEpidTPC &operator=(const AliHFEpidTPC &ref);
46 virtual ~AliHFEpidTPC();
48 virtual Bool_t InitializePID(Int_t /*run*/);
49 virtual Int_t IsSelected(const AliHFEpidObject *track, AliHFEpidQAmanager *pidqa) const;
51 void AddTPCdEdxLineCrossing(Int_t species, Double_t sigma);
52 Bool_t HasAsymmetricSigmaCut() const { return TestBit(kAsymmetricSigmaCut);}
53 Bool_t HasParticleRejection() const { return TestBit(kRejection); }
54 void SetTPCnSigma(Short_t nSigma) { fNsigmaTPC = nSigma; };
55 void SetUseOnlyOROC(Bool_t useOnlyOROC) { fUseOnlyOROC = useOnlyOROC; };
56 inline void SetAsymmetricTPCsigmaCut(Float_t pmin, Float_t pmax, Float_t sigmaMin, Float_t sigmaMax);
57 inline void SetRejectParticle(Int_t species, Float_t pmin, Float_t sigmaMin, Float_t pmax, Float_t sigmaMax);
59 void SetUpperSigmaCutDefault(const TF1 * const model) { fkUpperSigmaCut[0] = model; fHasCutModel = kTRUE; }
60 void SetUpperSigmaCutCentrality(const TF1 * const model, Int_t centralityBin) { if(centralityBin < 11) fkUpperSigmaCut[centralityBin+1] = model; fHasCutModel = kTRUE; }
61 void SetLowerSigmaCutDefault(const TF1 * const model) { fkLowerSigmaCut[0] = model; fHasCutModel = kTRUE; }
62 void SetLowerSigmaCutCentrality(const TF1 * const model, Int_t centralityBin) { if(centralityBin < 11) fkLowerSigmaCut[centralityBin+1] = model; fHasCutModel = kTRUE; }
63 void SetEtaCorrection(const TF1 *const param) { fkEtaCorrection = param; }
64 Bool_t HasEtaCorrection() const { return fkEtaCorrection != NULL; }
66 Double_t GetP(const AliVParticle *track, AliHFEpidObject::AnalysisType_t anaType) const;
67 void ApplyEtaCorrection(AliVTrack *track, AliHFEpidObject::AnalysisType_t anatype) const;
68 void UseOROC(AliVTrack *track, AliHFEpidObject::AnalysisType_t anatype) const;
71 void Copy(TObject &o) const;
72 Int_t Reject(const AliVParticle *track, AliHFEpidObject::AnalysisType_t anaType) const;
74 Bool_t CutSigmaModel(const AliHFEpidObject *anaType) const;
78 kAsymmetricSigmaCut = BIT(20),
81 Double_t fLineCrossingSigma[AliPID::kSPECIES]; // with of the exclusion point
82 UChar_t fLineCrossingsEnabled; // Bitmap showing which line crossing is set
83 const TF1 *fkUpperSigmaCut[12]; // Upper Sigma Cut
84 const TF1 *fkLowerSigmaCut[12]; // Lower Sigma Cut
85 const TF1 *fkEtaCorrection; // Correction for the eta dependence
86 Bool_t fHasCutModel; // Has cut model functions
87 Bool_t fUseOnlyOROC; // Use only OROC
88 Float_t fPAsigCut[2]; // Momentum region where to perform asymmetric sigma cut
89 Float_t fNAsigmaTPC[2]; // Asymmetric TPC Sigma band
90 Short_t fNsigmaTPC; // TPC sigma band
91 Float_t fRejection[4*AliPID::kSPECIES]; // All informations for Particle Rejection, order pmin, sigmin, pmax, sigmax
92 UChar_t fRejectionEnabled; // Bitmap for enabled particle rejection
94 ClassDef(AliHFEpidTPC, 1) // TPC Electron ID class
97 inline void AliHFEpidTPC::SetAsymmetricTPCsigmaCut(Float_t pmin, Float_t pmax, Float_t sigmaMin, Float_t sigmaMax) {
100 fNAsigmaTPC[0] = sigmaMin;
101 fNAsigmaTPC[1] = sigmaMax;
102 SetBit(kAsymmetricSigmaCut, kTRUE);
105 inline void AliHFEpidTPC::SetRejectParticle(Int_t species, Float_t pmin, Float_t sigmaMin, Float_t pmax, Float_t sigmaMax){
106 if(species < 0 || species >= AliPID::kSPECIES) return;
107 fRejection[4*species] = pmin;
108 fRejection[4*species+1] = sigmaMin;
109 fRejection[4*species+2] = pmax;
110 fRejection[4*species+3] = sigmaMax;
111 SETBIT(fRejectionEnabled, species);
112 SetBit(kRejection, kTRUE);