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a9e2aefa | 1 | #ifndef ALIMUONTRACKPARAM_H |
2 | #define ALIMUONTRACKPARAM_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /*$Id$*/ | |
7 | ||
3831f268 | 8 | /////////////////////////////////////////////////// |
9 | // Track parameters in ALICE dimuon spectrometer | |
10 | /////////////////////////////////////////////////// | |
a9e2aefa | 11 | |
3831f268 | 12 | #include <TObject.h> |
a9e2aefa | 13 | |
14 | class AliMUONTrackParam : public TObject { | |
15 | public: | |
16 | AliMUONTrackParam(){ | |
d837040f | 17 | fInverseBendingMomentum = 0; |
18 | fBendingSlope = 0; | |
19 | fNonBendingSlope = 0; | |
20 | fZ = 0; | |
21 | fBendingCoor = 0; | |
22 | fNonBendingCoor = 0; | |
a9e2aefa | 23 | // Constructor |
d837040f | 24 | } // Constructor |
25 | virtual ~AliMUONTrackParam(){} // Destructor | |
61adb9bd | 26 | |
27 | AliMUONTrackParam(const AliMUONTrackParam& );// copy constructor (should be added per default !) | |
28 | AliMUONTrackParam& operator=(const AliMUONTrackParam& );// (should be added per default !) | |
a9e2aefa | 29 | // Get and Set methods for data |
3831f268 | 30 | Double_t GetInverseBendingMomentum(void) const {return fInverseBendingMomentum;} |
31 | void SetInverseBendingMomentum(Double_t InverseBendingMomentum) {fInverseBendingMomentum = InverseBendingMomentum;} | |
32 | Double_t GetBendingSlope(void) const {return fBendingSlope;} | |
33 | void SetBendingSlope(Double_t BendingSlope) {fBendingSlope = BendingSlope;} | |
34 | Double_t GetNonBendingSlope(void) const {return fNonBendingSlope;} | |
35 | void SetNonBendingSlope(Double_t NonBendingSlope) {fNonBendingSlope = NonBendingSlope;} | |
36 | Double_t GetZ(void) const {return fZ;} | |
37 | void SetZ(Double_t Z) {fZ = Z;} | |
38 | Double_t GetBendingCoor(void) const {return fBendingCoor;} | |
39 | void SetBendingCoor(Double_t BendingCoor) {fBendingCoor = BendingCoor;} | |
40 | Double_t GetNonBendingCoor(void) const {return fNonBendingCoor;} | |
41 | void SetNonBendingCoor(Double_t NonBendingCoor) {fNonBendingCoor = NonBendingCoor;} | |
a9e2aefa | 42 | |
43 | void ExtrapToZ(Double_t Z); | |
44 | void ExtrapToStation(Int_t Station, AliMUONTrackParam *TrackParam); | |
04b5ea16 | 45 | void ExtrapToVertex(); // extrapolation to vertex through the absorber |
46 | void BransonCorrection(); // makes Branson correction | |
61adb9bd | 47 | // returns total momentum after energy loss correction in the absorber |
48 | Double_t TotalMomentumEnergyLoss(Double_t thetaLimit, Double_t pTotal, Double_t theta); | |
b45fd22b | 49 | void FieldCorrection(Double_t Z); // makes simple magnetic field correction through the absorber |
a9e2aefa | 50 | |
51 | protected: | |
52 | private: | |
956019b6 | 53 | Double_t fInverseBendingMomentum; // Inverse bending momentum (GeV/c ** -1) times the charge (assumed forward motion) |
a9e2aefa | 54 | Double_t fBendingSlope; // Bending slope (cm ** -1) |
55 | Double_t fNonBendingSlope; // Non bending slope (cm ** -1) | |
56 | Double_t fZ; // Z coordinate (cm) | |
57 | Double_t fBendingCoor; // bending coordinate (cm) | |
58 | Double_t fNonBendingCoor; // non bending coordinate (cm) | |
59 | ||
60 | void SetGeant3Parameters(Double_t *VGeant3, Double_t ForwardBackward); | |
61 | void GetFromGeant3Parameters(Double_t *VGeant3, Double_t Charge); | |
62 | ||
044d512b | 63 | ClassDef(AliMUONTrackParam, 1) // Track parameters in ALICE dimuon spectrometer |
a9e2aefa | 64 | }; |
65 | ||
66 | #endif |