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79e94bf8 | 1 | #ifndef ALITRDPARTID_H |
2 | #define ALITRDPARTID_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | #include <TObject.h> | |
7 | ||
8 | class AliESDtrack; | |
9 | class TProfile; | |
10 | class TF1; | |
11 | ||
12 | ||
13 | class AliTRDPartID: public TObject { | |
14 | public: | |
15 | AliTRDPartID(); | |
16 | AliTRDPartID(TF1* betheBloch, Double_t res, Double_t range); | |
17 | virtual ~AliTRDPartID(); | |
18 | ||
19 | Bool_t MakePID(AliESDtrack* track); | |
20 | ||
21 | void FitBetheBloch(TProfile* dEdxVsBetaGamma); | |
22 | inline TF1* GetBetheBloch() {return fBetheBloch;}; | |
23 | TF1* CreateBetheBloch(Double_t mass); | |
24 | ||
4db7f8b6 | 25 | static AliTRDPartID* GetFromFile(const char* fileName = "pid.root"); |
26 | ||
79e94bf8 | 27 | private: |
28 | static Double_t fcnBetheBloch(Double_t* xx, Double_t* par); | |
29 | static Double_t fcnBetheBlochMass(Double_t* xx, Double_t* par); | |
30 | ||
31 | TF1* fBetheBloch; // parametrized bethe bloch function | |
32 | Double_t fRes; // relative dE/dx resolution | |
33 | Double_t fRange; // cut off in standard deviations | |
34 | ||
35 | ClassDef(AliTRDPartID,1) // TRD PID class | |
36 | }; | |
37 | ||
38 | #endif | |
39 | ||
40 |