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809a4336 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
50685501 | 15 | // |
16 | // Class for TPC PID | |
17 | // Does electron selection based on dE/dx | |
18 | // For more information please check the implementation file | |
19 | // | |
75d81601 | 20 | #ifndef ALIHFEPIDTPC_H |
21 | #define ALIHFEPIDTPC_H | |
809a4336 | 22 | |
75d81601 | 23 | #ifndef ALIHFEPIDBASE_H |
809a4336 | 24 | #include "AliHFEpidBase.h" |
25 | #endif | |
26 | ||
27 | #ifndef ALIPID_H | |
28 | #include "AliPID.h" | |
29 | #endif | |
30 | ||
31 | class TList; | |
722347d8 | 32 | class AliAODTrack; |
33 | class AliAODMCParticle; | |
809a4336 | 34 | class AliESDtrack; |
722347d8 | 35 | class AliMCParticle; |
809a4336 | 36 | class AliTPCpidESD; |
37 | class AliVParticle; | |
38 | ||
39 | class AliHFEpidTPC : public AliHFEpidBase{ | |
809a4336 | 40 | public: |
41 | AliHFEpidTPC(const Char_t *name); | |
42 | AliHFEpidTPC(const AliHFEpidTPC &ref); | |
43 | AliHFEpidTPC &operator=(const AliHFEpidTPC &ref); | |
44 | virtual ~AliHFEpidTPC(); | |
45 | ||
46 | virtual Bool_t InitializePID(); | |
722347d8 | 47 | virtual Int_t IsSelected(AliHFEpidObject *track); |
809a4336 | 48 | virtual Bool_t HasQAhistos() const { return kTRUE; }; |
49 | ||
75d81601 | 50 | void AddTPCdEdxLineCrossing(Int_t species, Double_t sigma); |
722347d8 | 51 | Bool_t HasAsymmetricSigmaCut() const { return TestBit(kAsymmetricSigmaCut);} |
0792aa82 | 52 | Bool_t HasParticleRejection() const { return TestBit(kRejection); } |
809a4336 | 53 | void SetTPCnSigma(Short_t nSigma) { fNsigmaTPC = nSigma; }; |
722347d8 | 54 | inline void SetAsymmetricTPCsigmaCut(Float_t pmin, Float_t pmax, Float_t sigmaMin, Float_t sigmaMax); |
0792aa82 | 55 | inline void SetRejectParticle(Int_t species, Float_t pmin, Float_t sigmaMin, Float_t pmax, Float_t sigmaMax); |
809a4336 | 56 | |
57 | protected: | |
58 | void Copy(TObject &o) const; | |
59 | void AddQAhistograms(TList *qaList); | |
722347d8 | 60 | void FillTPChistograms(const AliESDtrack *track, const AliMCParticle *mctrack); |
61 | Int_t MakePIDaod(AliAODTrack *aodTrack, AliAODMCParticle *mcTrack); | |
62 | Int_t MakePIDesd(AliESDtrack *esdTrack, AliMCParticle *mcTrack); | |
0792aa82 | 63 | Int_t Reject(AliESDtrack *track); |
722347d8 | 64 | Double_t Likelihood(const AliESDtrack *track, Int_t species, Float_t rsig = 2.); |
65 | Double_t Suppression(const AliESDtrack *track, Int_t species); | |
66 | ||
809a4336 | 67 | private: |
50685501 | 68 | typedef enum{ |
69 | kHistTPCelectron = 0, | |
70 | kHistTPCpion = 1, | |
71 | kHistTPCmuon = 2, | |
72 | kHistTPCkaon = 3, | |
73 | kHistTPCproton = 4, | |
74 | kHistTPCothers = 5, | |
75 | kHistTPCall = 6, | |
76 | kHistTPCselected = 7, | |
77 | kHistTPCprobEl = 8, | |
78 | kHistTPCprobPi = 9, | |
79 | kHistTPCprobMu = 10, | |
80 | kHistTPCprobKa = 11, | |
81 | kHistTPCprobPro = 12, | |
82 | kHistTPCprobOth = 13, | |
83 | kHistTPCprobAll = 14, | |
84 | kHistTPCsuppressPi = 15, | |
85 | kHistTPCsuppressMu = 16, | |
86 | kHistTPCsuppressKa = 17, | |
87 | kHistTPCsuppressPro = 18, | |
88 | kHistTPCenhanceElPi = 19, | |
89 | kHistTPCenhanceElMu = 20, | |
90 | kHistTPCenhanceElKa = 21, | |
91 | kHistTPCenhanceElPro = 22, | |
92 | kHistTPCElprobPi = 23, | |
93 | kHistTPCElprobMu = 24, | |
94 | kHistTPCElprobKa = 25, | |
95 | kHistTPCElprobPro = 26 | |
96 | } QAHist_t; | |
97 | enum{ | |
98 | kAsymmetricSigmaCut = BIT(20), | |
99 | kRejection = BIT(21) | |
100 | }; | |
809a4336 | 101 | Double_t fLineCrossingSigma[AliPID::kSPECIES]; // with of the exclusion point |
102 | UChar_t fLineCrossingsEnabled; // Bitmap showing which line crossing is set | |
722347d8 | 103 | Float_t fPAsigCut[2]; // Momentum region where to perform asymmetric sigma cut |
104 | Float_t fNAsigmaTPC[2]; // Asymmetric TPC Sigma band | |
809a4336 | 105 | Short_t fNsigmaTPC; // TPC sigma band |
0792aa82 | 106 | Float_t fRejection[4*AliPID::kSPECIES]; // All informations for Particle Rejection, order pmin, sigmin, pmax, sigmax |
107 | UChar_t fRejectionEnabled; // Bitmap for enabled particle rejection | |
809a4336 | 108 | AliPID *fPID; //! PID Object |
109 | AliTPCpidESD *fPIDtpcESD; //! TPC PID object | |
110 | TList *fQAList; //! QA histograms | |
111 | ||
112 | ClassDef(AliHFEpidTPC, 1) // TPC Electron ID class | |
113 | }; | |
722347d8 | 114 | |
115 | inline void AliHFEpidTPC::SetAsymmetricTPCsigmaCut(Float_t pmin, Float_t pmax, Float_t sigmaMin, Float_t sigmaMax) { | |
116 | fPAsigCut[0] = pmin; | |
117 | fPAsigCut[1] = pmax; | |
118 | fNAsigmaTPC[0] = sigmaMin; | |
119 | fNAsigmaTPC[1] = sigmaMax; | |
120 | SetBit(kAsymmetricSigmaCut, kTRUE); | |
121 | } | |
0792aa82 | 122 | |
123 | inline void AliHFEpidTPC::SetRejectParticle(Int_t species, Float_t pmin, Float_t sigmaMin, Float_t pmax, Float_t sigmaMax){ | |
124 | if(species < 0 || species >= AliPID::kSPECIES) return; | |
125 | fRejection[4*species] = pmin; | |
126 | fRejection[4*species+1] = sigmaMin; | |
127 | fRejection[4*species+2] = pmax; | |
128 | fRejection[4*species+3] = sigmaMax; | |
129 | SETBIT(fRejectionEnabled, species); | |
130 | SetBit(kRejection, kTRUE); | |
131 | } | |
722347d8 | 132 | |
809a4336 | 133 | #endif |