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8c6a71ab | 1 | #ifndef ALITPCpIDESD_H |
2 | #define ALITPCpIDESD_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | //------------------------------------------------------- | |
7 | // TPC PID class | |
8 | // A very naive design... Should be made better by the detector experts... | |
9 | // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch | |
aea7a46d | 10 | // With many additions and modifications suggested by |
11 | // Alexander Kalweit, GSI, alexander.philipp.kalweit@cern.ch | |
12 | // Dariusz Miskowiec, GSI, D.Miskowiec@gsi.de | |
8c6a71ab | 13 | //------------------------------------------------------- |
14 | #include <Rtypes.h> | |
15 | ||
aea7a46d | 16 | #include "AliPID.h" |
17 | ||
af885e0f | 18 | class AliESDEvent; |
aea7a46d | 19 | class AliESDtrack; |
8c6a71ab | 20 | |
21 | class AliTPCpidESD { | |
22 | public: | |
aea7a46d | 23 | AliTPCpidESD(); |
8c6a71ab | 24 | AliTPCpidESD(Double_t *param); |
f77f13c8 | 25 | virtual ~AliTPCpidESD() {} |
aea7a46d | 26 | void SetBetheBlochParameters(Double_t kp1, |
27 | Double_t kp2, | |
28 | Double_t kp3, | |
29 | Double_t kp4, | |
30 | Double_t kp5 | |
31 | ); | |
af885e0f | 32 | Int_t MakePID(AliESDEvent *event); |
aea7a46d | 33 | Double_t Bethe(Double_t bg) const; |
34 | ||
35 | Bool_t ExpectedSignals(const AliESDtrack *t, | |
36 | Double_t s[], | |
37 | Int_t n=AliPID::kSPECIES) const; | |
38 | Bool_t ExpectedSigmas(const AliESDtrack *t, | |
39 | Double_t s[], | |
40 | Int_t n=AliPID::kSPECIES) const; | |
41 | Bool_t NumberOfSigmas(const AliESDtrack *t, | |
42 | Double_t s[], | |
43 | Int_t n=AliPID::kSPECIES) const; | |
44 | ||
45 | Double_t GetExpectedSignal(const AliESDtrack *t, | |
46 | AliPID::EParticleType n=AliPID::kKaon) const; | |
47 | Double_t GetExpectedSigma(const AliESDtrack *t, | |
48 | AliPID::EParticleType n=AliPID::kKaon) const; | |
49 | Double_t GetNumberOfSigmas(const AliESDtrack *t, | |
50 | AliPID::EParticleType n=AliPID::kKaon) const; | |
51 | ||
8c6a71ab | 52 | private: |
53 | Double_t fMIP; // dEdx for MIP | |
54 | Double_t fRes; // relative dEdx resolution | |
55 | Double_t fRange; // one particle type PID range (in sigmas) | |
aea7a46d | 56 | |
57 | Double_t fKp1; // Parameters | |
58 | Double_t fKp2; // of | |
59 | Double_t fKp3; // the ALEPH | |
60 | Double_t fKp4; // Bethe-Bloch | |
61 | Double_t fKp5; // formula | |
62 | ||
63 | ClassDef(AliTPCpidESD,2) // TPC PID class | |
8c6a71ab | 64 | }; |
65 | ||
66 | #endif | |
67 | ||
68 |