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1 | #ifndef ALITOFT0V1_H | |
2 | #define ALITOFT0V1_H | |
3 | ||
4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
5 | * See cxx source for full Copyright notice */ | |
6 | ||
7 | //----------------------------------------------------------------------------// | |
8 | // // | |
9 | // Description: class to performe an event time measurment with TOF. // | |
10 | // // | |
11 | //----------------------------------------------------------------------------// | |
12 | ||
13 | #include "TObject.h" | |
14 | ||
15 | #include "TObjArray.h" | |
16 | ||
17 | class AliESDtrack; | |
18 | class AliESDEvent; | |
19 | class AliESDpid; | |
20 | ||
21 | class TObjArray; | |
22 | ||
23 | class AliTOFT0v1: public TObject { | |
24 | public: | |
25 | ||
26 | AliTOFT0v1(AliESDpid *extPID=NULL); // default constructor | |
27 | AliTOFT0v1(AliESDEvent *event,AliESDpid *extPID=NULL); // overloaded constructor | |
28 | virtual ~AliTOFT0v1() ; // dtor | |
29 | ||
30 | Double_t* DefineT0(Option_t *option,Float_t pMinCut=3,Float_t pMaxCut=5); | |
31 | ||
32 | void SetMomBounds(Float_t pLow, Float_t pUp) { fLowerMomBound=pLow; fUpperMomBound=pUp;} // momenta are expressed in [GeV/c] | |
33 | void SetTimeCorr(Float_t timecorr) {fTimeCorr=timecorr;} //in ns!!! | |
34 | Float_t GetMomError(Int_t index, Float_t mom, Float_t texp) const; | |
35 | Double_t GetResult(Int_t i){if(i < 6) return fT0SigmaT0def[i]; else return -1.;}; | |
36 | /* void Print(Option_t* option) const ; */ | |
37 | ||
38 | void SetTimeResolution(Float_t /* timeres */){}; // obsolete | |
39 | ||
40 | void Init(AliESDEvent *event); // init | |
41 | ||
42 | private: | |
43 | ||
44 | Float_t ToCalculatePower(Float_t base, Int_t exponent) const ; | |
45 | Int_t ToCalculatePower(Int_t base, Int_t exponent) const ; | |
46 | ||
47 | AliTOFT0v1(const AliTOFT0v1 &); | |
48 | AliTOFT0v1 & operator=(const AliTOFT0v1 &) ; | |
49 | ||
50 | Bool_t AcceptTrack(AliESDtrack *track); /* accept track */ | |
51 | Float_t GetSigmaToVertex(AliESDtrack *track) const; /* get sigma to vertex */ | |
52 | Bool_t CheckTPCMatching(AliESDtrack *track,Int_t imass) const; | |
53 | ||
54 | Float_t fLowerMomBound; // momentum lower bound for selected primary tracks | |
55 | Float_t fUpperMomBound; // momentum upper bound for selected primary tracks | |
56 | Float_t fTimeCorr; // global time resolution used to calculate T0 | |
57 | AliESDEvent* fEvent; //evento per il quale si vuole calcolare il T0 | |
58 | Double_t fT0SigmaT0def[6]; // array with the event information ([0]=event time -- [1] = sigma -- [2] = tracks on the TOF -- [3] = tracks used for the event time) | |
59 | ||
60 | AliESDpid *fPIDesd; // class with the detector response | |
61 | ||
62 | TObjArray *fTracks; //! array of tracks | |
63 | TObjArray *fGTracks; //! array of good tracks | |
64 | TObjArray *fTracksT0; //! array of tracks usefull for T0 estimate | |
65 | ||
66 | ClassDef(AliTOFT0v1,4); // Calculate the time zero using TOF detector */ | |
67 | ||
68 | }; | |
69 | ||
70 | #endif |