class AliMUONConstants : public TObject {
public:
/// Return number of chambers
- static Int_t NCh() {return fgNCh;}
+ static Int_t NCh();
/// Return number of tracking chambers
- static Int_t NTrackingCh() {return fgNTrackingCh;}
+ static Int_t NTrackingCh();
/// Return number of tracking stations
static Int_t NTrackingSt() {return fgNTrackingSt;}
/// Return number of trigger chambers
- static Int_t NTriggerCh() {return fgNTriggerCh;}
+ static Int_t NTriggerCh() {return NCh()-NTrackingCh();}
/// Return number of trigger circuits
static Int_t NTriggerCircuit() {return fgNTriggerCircuit;}
/// Return number of detection element
/// Return half-distance between two slats
static Float_t DzSlat() {return fgDzSlat;}
/// Return chamber number according z position of hit.
- static Int_t ChamberNumber(Float_t z);
+ static Int_t ChamberNumber(Float_t z, bool warn = false);
/// Return SqrtKx3 for Slat
static Float_t SqrtKx3() {return fgSqrtKx3;}
/// Return SqrtKy3 for Slat
static Double_t YokeZ() {return fgYokeZ;}
/// Return yoke lenght
static Double_t YokeL() {return fgYokeL;}
+ /// Return z-position of absorber begining
+ static Double_t AbsZBeg() {return fgkAbsZBeg;}
+ /// Return z-position of absorber end
+ static Double_t AbsZEnd() {return fgkAbsZEnd;}
/// Return chamber thickness in X0
static Double_t ChamberThicknessInX0() {return fgChamberThicknessInX0;}
/// Return Trigger ToF Limit (75 ns)
static Float_t TriggerTofLimit() {return fgkTriggerTofLimit;}
-
+ /// Return default trigger chamber resolution in non bending direction
+ static Double_t TriggerNonBendingReso() {return fgkTriggerNonBendingReso;}
+ /// Return default trigger chamber resolution in bending direction
+ static Double_t TriggerBendingReso() {return fgkTriggerBendingReso;}
+ /// Return z-position of muon filter begining
+ static Double_t MuonFilterZBeg() {return fgkMuonFilterZBeg;}
+ /// Return z-position of muon filter end
+ static Double_t MuonFilterZEnd() {return fgkMuonFilterZEnd;}
+ /// Return radiation length (in cm) of muon filter
+ static Double_t MuonFilterX0() {return fgkMuonFilterX0;}
+
+ /// Return the most probable bending momentum (GeV/c) (used when B = 0)
+ static Double_t GetMostProbBendingMomentum() { return fgkMostProbBendingMomentum; }
+
protected:
/// Default constructor
AliMUONConstants() : TObject() {}
virtual ~AliMUONConstants(){}
private:
- static Int_t fgNCh; ///< Number of Chambers
- static Int_t fgNTrackingCh; ///< Number of Tracking Chambers
static Int_t fgNTrackingSt; ///< Number of Tracking Stations
- static Int_t fgNTriggerCh; ///< Number of Trigger Chambers
static Int_t fgNTriggerCircuit; ///< Number of Trigger Circuits
static Int_t fgNDetElem; ///< Number of Detection Elements.
static Int_t fgNGeomModules; ///< Number of Geometry modules
static Float_t fgDefaultChamberZ[14]; //!< Z-positions of chambers
+ static Float_t fgDefaultChamberMinZ[14]; //!< Minimum z-positions of chambers
+ static Float_t fgDefaultChamberMaxZ[14]; //!< Maximum z-positions of chambers
static Float_t fgDefaultRatioTriggerChamber[4]; ///< Ratio between trigger chambers
static Float_t fgSt345inclination; //!< Inclination with respect the vertical axis of stations 345
static Float_t fgDmin[7]; //!< Inner diameter
static Double_t fgYokeZ; ///< Yoke z-position
static Double_t fgYokeL; ///< Yoke lenght
+ static const Double_t fgkAbsZBeg; ///< z-position of the begining of the absorber
+ static const Double_t fgkAbsZEnd; ///< z-position of the end of the absorber
+
static Int_t fgMaxZoom; ///< Maximum Zoom for event display
static Float_t fgkTriggerTofLimit; ///< Particle above this threshold are discarded in trigger algorithm
+ static const Double_t fgkTriggerNonBendingReso; ///< default trigger chamber resolution in the non-bending direction
+ static const Double_t fgkTriggerBendingReso; ///< default trigger chamber resolution in the bending direction
+
+ static const Double_t fgkMuonFilterZBeg; ///< z-position of the begining of the muon filter
+ static const Double_t fgkMuonFilterZEnd; ///< z-position of the end of the muon filter
+ static const Double_t fgkMuonFilterX0; ///< x0 of the muon filter
+
+ static const Double_t fgkMostProbBendingMomentum; ///< most probable value (GeV/c) of muon momentum in bending plane (used when B = 0) needed to get some "reasonable" corrections for MCS and E loss even if B = 0
+
+
ClassDef(AliMUONConstants, 0) // MUON global constants
};