/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
-/*$Id$*/
+/* $Id$*/
+// Revision of includes 07/05/2004
+//
+/// \ingroup base
+/// \class AliMUONConstants
+/// \brief MUON global constants
#include <TObject.h>
class AliMUONConstants : public TObject {
public:
- // return number of chambers
- static Int_t NCh() {return fgNCh;}
- // return number of tracking chambers
- static Int_t NTrackingCh() {return fgNTrackingCh;}
- // return number of trigger chambers
- static Int_t NTriggerCh() {return fgNTriggerCh;}
- // return number of trigger circuits
+ /// Return number of chambers
+ static Int_t NCh();
+ /// Return number of tracking chambers
+ 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 NCh()-NTrackingCh();}
+ /// Return number of trigger circuits
static Int_t NTriggerCircuit() {return fgNTriggerCircuit;}
- // return poistion of chamber i
+ /// Return number of detection element
+ static Int_t NDetElem() {return fgNDetElem;}
+ /// Return number of geometry modules
+ static Int_t NGeomModules() {return fgNGeomModules;}
+ /// Return position of chamber i
static Float_t DefaultChamberZ(Int_t i) {return fgDefaultChamberZ[i];}
- // return pointer to array of positions
- static Float_t* DefaultChamberZ() {return fgDefaultChamberZ;}
- // return chamber i inner diameter
- static Float_t Dmin(Int_t i) {return fgDmin[i];}
- // return chamber i outer diameter
- static Float_t Dmax(Int_t i) {return fgDmax[i];}
- // return maximum zoom for event display
- static Int_t MaxZoom() {return fgMaxZoom;}
- private:
- AliMUONConstants(){}
+ /// Return ratio between trigger chambers
+ static Float_t DefaultRatioTriggerChamber(Int_t i) {return fgDefaultRatioTriggerChamber[i];}
+ /// Return Inclination with respect the vertical axis of stations 345
+ static Float_t St345Inclination() {return fgSt345inclination;}
+ /// Return pointer to array of positions
+ static Float_t* DefaultChamberZ() {return fgDefaultChamberZ;}
+ /// Return chamber i inner diameter
+ static Float_t Dmin(Int_t i) {return fgDmin[i];}
+ /// Return chamber i inner radius
+ static Float_t Rmin(Int_t i) {return Dmin(i)/2.0;}
+ /// Return chamber i outer diameter
+ static Float_t Dmax(Int_t i) {return fgDmax[i];}
+ /// Return chamber i outer radius
+ static Float_t Rmax(Int_t i) {return Dmax(i)/2.0;}
+ /// Return maximum zoom for event display
+ static Int_t MaxZoom() {return fgMaxZoom;}
+ /// Return half-distance between two half-chambers
+ static Float_t DzCh() {return fgDzCh;}
+ /// 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, bool warn = false);
+ /// Return SqrtKx3 for Slat
+ static Float_t SqrtKx3() {return fgSqrtKx3;}
+ /// Return SqrtKy3 for Slat
+ static Float_t SqrtKy3() {return fgSqrtKy3;}
+ /// Return SqrtKx3 for Station 1 & 2
+ static Float_t SqrtKx3St1() {return fgSqrtKx3St1;}
+ /// Return SqrtKy3 for Station 1 & 2
+ static Float_t SqrtKy3St1() {return fgSqrtKy3St1;}
+ /// Return charge correlation (needed for response and for cluster finder !?)
+ static Float_t ChargeCorrel() {return fgChargeCorrel;}
+ /// Return charge correlation for Station 1 & 2 (needed for response and for cluster finder !?)
+ static Float_t ChargeCorrelSt1() {return fgChargeCorrelSt1;}
+ /// Return wire pitch
+ static Float_t Pitch() {return fgPitch;}
+ /// Return wire pitch for Station 1 & 2
+ static Float_t PitchSt1() {return fgPitchSt1;}
+ /// Return coil z-position
+ static Double_t CoilZ() {return fgCoilZ;}
+ /// Return coil lenght
+ static Double_t CoilL() {return fgCoilL;}
+ /// Return yoke z-position
+ 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(Int_t chId) {return (chId >= 0 && chId < 10) ? fgChamberThicknessInX0[chId] : 0.;}
+ /// Return Trigger ToF Limit (75 ns)
+ static Float_t TriggerTofLimit() {return fgkTriggerTofLimit;}
+ /// Return default trigger chamber resolution DUE TO ALIGNMENT ONLY in non bending direction
+ static Double_t TriggerNonBendingReso() {return fgkTriggerNonBendingReso;}
+ /// Return default trigger chamber resolution DUE TO ALIGNMENT ONLY 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() {}
+ /// Destructor
virtual ~AliMUONConstants(){}
- private:
- static const Int_t fgNCh; // Number of Chambers
- static Int_t fgNTrackingCh; // Number of Tracking Chambers
- static Int_t fgNTriggerCh; // Number of Trigger Chambers
- static Int_t fgNTriggerCircuit; // Number of Trigger Circuits
-//
- static Float_t fgDefaultChamberZ[14]; // ! Z-positions of chambers
- static Float_t fgDmin[7]; // ! inner diameter
- static Float_t fgDmax[7]; // ! outer diameter
-//
- static Int_t fgMaxZoom; // Maximum Zoom for event display
- ClassDef(AliMUONConstants, 0) // MUON global constants
-};
-
-#endif
+ private:
+ static Int_t fgNTrackingSt; ///< Number of Tracking Stations
+ 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 Float_t fgDmax[7]; //!< Outer diameter
+ static Float_t fgDzCh; ///< Half-distance between two half-chambers
+ static Float_t fgDzSlat; ///< Half-distance between two slat on the same chamber
+ static Float_t fgSqrtKx3; ///< SqrtKx3 for St2 & Slat
+ static Float_t fgSqrtKy3; ///< SqrtKy3 for St2 & Slat
+ static Float_t fgSqrtKx3St1; ///< SqrtKx3 for Station 1
+ static Float_t fgSqrtKy3St1; ///< SqrtKy3 for Station 1
+
+ static Float_t fgChargeCorrel; ///< Charge correlation for St2 & Slats
+ static Float_t fgChargeCorrelSt1; ///< Charge correlation for Station 1
+ static Float_t fgPitch; ///< Wire pitch for St2 & Slats
+ static Float_t fgPitchSt1; ///< Wire pitch for Station 1
+ static Double_t fgChamberThicknessInX0[10]; ///< default chamber thickness in X0 for reconstruction
+
+ static Double_t fgCoilZ; ///< Coil z-position
+ static Double_t fgCoilL; ///< Coil lenght
+ 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, DUE TO ALIGNMENT ONLY
+ static const Double_t fgkTriggerBendingReso; ///< default trigger chamber resolution in the bending direction, DUE TO ALIGNMENT ONLY
+
+ 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
+};
+
+#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff