3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights
6 * See cxx source for full Copyright notice
9 @author Christian Holm Christensen <cholm@nbi.dk>
10 @date Mon Mar 27 12:41:58 2006
13 //___________________________________________________________________
19 //___________________________________________________________________
20 /** @brief AliFMDhit is the hit class for the FMD.
21 Hits are the information that comes from a Monte Carlo at each
22 step as a particle mass through sensitive detector elements as
23 particles are transported through a detector.
26 class AliFMDHit : public AliHit
31 /** Normal FMD hit ctor
34 @param detector Detector # (1, 2, or 3)
35 @param ring Ring ID ('I' or 'O')
36 @param sector Sector # (For inner/outer rings: 0-19/0-39)
37 @param strip Strip # (For inner/outer rings: 0-511/0-255)
38 @param x Track's X-coordinate at hit
39 @param y Track's Y-coordinate at hit
40 @param z Track's Z-coordinate at hit
41 @param px X-component of track's momentum
42 @param py Y-component of track's momentum
43 @param pz Z-component of track's momentum
44 @param edep Energy deposited by track
45 @param pdg Track's particle Id #
46 @param t Time when the track hit
47 @param l Track lenght through medium
48 @param stop Whether track is stopped in medium */
49 AliFMDHit(Int_t shunt,
67 virtual ~AliFMDHit() {}
69 /** @return Detector # */
70 UShort_t Detector() const { return fDetector; }
71 /** @return Ring ID */
72 Char_t Ring() const { return fRing; }
73 /** @return Sector # */
74 UShort_t Sector() const { return fSector; }
75 /** @return Strip # */
76 UShort_t Strip() const { return fStrip; }
77 /** @return Energy deposited (MeV) */
78 Float_t Edep() const { return fEdep; }
79 /** @return Track @f$ p_x@f$ - momentum in @f$ x@f$ (GeV) */
80 Float_t Px() const { return fPx; }
81 /** @return Track @f$ p_y@f$ - momentum in @f$ y@f$ (GeV) */
82 Float_t Py() const { return fPy; }
83 /** @return Track @f$ p_z@f$ - momentum in @f$ z@f$ (GeV) */
84 Float_t Pz() const { return fPz; }
85 /** @return Track @f$ |p|@f$ - momentum (GeV) */
87 /** @return Track @f$ m@f$ - mass (GeV) */
89 /** @return Track @f$ q@f$ - charge (1/3) */
91 /** @return Track PDG id number */
92 Int_t Pdg() const { return fPdg; }
93 /** @return Time of hit in seconds */
94 Float_t Time() const { return fTime; }
95 /** @return Path length through silicon */
96 Float_t Length() const { return fLength; }
97 /** @return Whether track was stopped in silicon */
98 Bool_t IsStop() const { return fStop; }
101 @param opt Not used */
102 void Print(Option_t* opt="") const;
103 /** @return Get Name */
104 const char* GetName() const;
105 /** @return Get title */
106 const char* GetTitle() const;
108 /** Set enenrgy deposited
109 @param edep Energy deposited */
110 void SetEdep(Float_t edep) { fEdep = edep; }
112 UShort_t fDetector; // (Sub) Detector # (1,2, or 3)
113 Char_t fRing; // Ring ID ('I' or 'O')
114 UShort_t fSector; // Sector # (phi division)
115 UShort_t fStrip; // Strip # (radial division)
116 Float_t fPx; // Particle's X momentum X
117 Float_t fPy; // Particle's Y momentum Y
118 Float_t fPz; // Particle's Z momentum Z
119 Int_t fPdg; // Particles PDG code
120 Float_t fEdep; // Energy deposition
121 Float_t fTime; // Particle's time of flight
122 Float_t fLength; // Track length through material.
123 Bool_t fStop; // Whether track was stopped.
125 ClassDef(AliFMDHit,2) //Hits for detector FMD
128 //____________________________________________________________________