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GFlashHomoShowerParameterisation.hh
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27 // $Id: GFlashHomoShowerParameterisation.hh 69796 2013-05-15 13:26:12Z gcosmo $
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29 //
30 // ---------------------------------------------------------------
31 // GEANT 4 class header file
32 //
33 // GFlashHomoShowerParameterisation
34 //
35 // Class description:
36 //
37 // GFlash homogeneous shower parameterisation.
38 
39 // Author: Joanna Weng - 02.2004
40 // ---------------------------------------------------------------
41 #ifndef GFlashHomoShowerParameterisation_h
42 #define GFlashHomoShowerParameterisation_h 1
43 
44 #include "globals.hh"
47 
48 class G4Material;
49 
51 {
52  public: // with description
53 
55  GVFlashHomoShowerTuning * aPar = 0);
57 
60  void ComputeZAX0EFFetc();
61 
62  G4double IntegrateEneLongitudinal(G4double LongitudinalStep);
63  G4double IntegrateNspLongitudinal(G4double LongitudinalStep);
64  G4double ComputeTau(G4double LongitudinalPosition);
65 
67  G4double GenerateRadius(G4int ispot, G4double Energy,
68  G4double LongitudinalPosition);
70  void SetMaterial(G4Material *mat);
71 
72  inline G4double GetAveR99() {return (3.5 * Rm);}
73  inline G4double GetAveR90() {return (1.5 * Rm);} //ok
74 
75  inline G4double GetAveTmx() {return (X0 * std::exp(AveLogTmaxh));}
76  inline G4double GetAveT99() {return (X0 * AveLogTmaxh/(AveLogAlphah-1.00));}
77  inline G4double GetAveT90() {return (2.5* X0*std::exp( AveLogTmaxh) );}
78 
79  inline G4double GetNspot(){ return NSpot;}
80  inline G4double GetX0(){return X0;}
81  inline G4double GetEc(){return Ec;}
82  inline G4double GetRm(){return Rm;}
83 
84  private:
85 
86  G4Material *material;
87 
88  //Resolution
89  G4double ConstantResolution;
90  G4double NoiseResolution;
91  G4double SamplingResolution;
92 
93  // parametrization parameters
94  GVFlashHomoShowerTuning * thePar;
95  G4bool owning;
96 
97  // Cashed parameters:
98  // Longitudinal Coefficients for a homogeneous calo
99  G4double ParAveT1;
100  G4double ParAveA1,ParAveA2,ParAveA3;
101  G4double ParSigLogT1,ParSigLogT2;
102  G4double ParSigLogA1,ParSigLogA2;
103  G4double ParRho1,ParRho2;
104 
105  void ComputeLongitudinalParameters(G4double y);
106  void GenerateEnergyProfile(G4double y);
107  void GenerateNSpotProfile(G4double y);
108 
109  // Radial Coefficients
110  G4double ParRC1,ParRC2,ParRC3,ParRC4;
111  G4double ParWC1,ParWC2,ParWC3;
112  G4double ParWC4,ParWC5,ParWC6;
113  G4double ParRT1,ParRT2,ParRT3,ParRT4;
114  G4double ParRT5,ParRT6;
115 
116  // Spot multiplicity Coefficients
117  G4double ParSpotT1,ParSpotT2,ParSpotA1, ParSpotA2;
118  G4double ParSpotN1,ParSpotN2;
119 
120  // PARAMETRISATION variables (Energy & position dependent)
121  // Longitudinal
122  // homogeneous
123  G4double AveLogAlphah,AveLogTmaxh;
124  G4double SigmaLogAlphah,SigmaLogTmaxh;
125  G4double Rhoh;
126  G4double Alphah,Tmaxh,Betah;
127 
128  // Multiplicity
129  G4double NSpot,AlphaNSpot,TNSpot,BetaNSpot;
130 
131  //Radial
132  G4double RadiusCore, WeightCore,RadiusTail;
133 };
134 
135 #endif
136