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GFlashSamplingShowerParameterisation.hh
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27 // $Id: GFlashSamplingShowerParameterisation.hh 69796 2013-05-15 13:26:12Z gcosmo $
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29 //
30 //---------------------------------------------------------------
31 // GEANT 4 class header file
32 //
33 // GFlashSamplingShowerParameterisation
34 //
35 // Class description:
36 //
37 // GFlash concrete sampling shower parameterisation
38 
39 // Author: Joanna Weng - 02.2004
40 //---------------------------------------------------------------
41 #ifndef GFlashSamplingShowerParameterisation_h
42 #define GFlashSamplingShowerParameterisation_h 1
43 
44 #include "globals.hh"
47 
48 class G4Material;
49 
52 {
53  public:
54 
56  G4double d1, G4double d2,
57  GFlashSamplingShowerTuning * aPar = 0);
59 
62  void ComputeZAX0EFFetc();
63 
64  G4double IntegrateEneLongitudinal(G4double LongitudinalStep);
65  G4double IntegrateNspLongitudinal(G4double LongitudinalStep);
66  G4double ComputeTau(G4double LongitudinalPosition);
67  void SetMaterial(G4Material *mat1, G4Material *mat2);
69  G4double GenerateRadius(G4int ispot, G4double Energy,
70  G4double LongitudinalPosition);
72 
73  inline G4double GetAveR99() {return (3.5 * Rmeff);}
74  inline G4double GetAveR90() {return (1.5 * Rmeff);} //ok
75  //
76  inline G4double GetAveTmx() {return (X0eff*std::exp(AveLogTmax));}
77  inline G4double GetAveT99() {return (X0eff*AveLogTmax/(AveLogAlpha-1.00));}
78  inline G4double GetAveT90() {return (2.5* X0eff* std::exp( AveLogTmax));}
79  //
80  inline G4double GetNspot() {return NSpot;}
81  inline G4double GetX0() {return X0eff;}
82  inline G4double GetEc() {return Eceff;}
83  inline G4double GetRm() {return Rmeff;}
84 
85  G4double ApplySampling(const G4double DEne, const G4double Energy);
86 
87  private:
88 
89  // medium related quantities
90  //
91  G4Material *material1, *material2 ;
92  G4double density1, A1, Z1, X01, Ec1, Rm1, d1;
93  G4double density2, A2, Z2, X02, Ec2, Rm2, d2;
94  G4double Aeff, Rhoeff, X0eff, Eceff, Rmeff, Fs, ehat, Zeff;
95 
96  // Resolution
97  //
98  G4double ConstantResolution;
99  G4double NoiseResolution;
100  G4double SamplingResolution;
101 
102  // parametrization parameters
103  //
105  G4bool owning;
106 
107  // Cashed parameters:
108  // Longitudinal Coefficients for a homogenious calo
109  //
110  G4double ParAveT1, ParAveT2;
111  G4double ParAveA1,ParAveA2, ParAveA3;
112  G4double ParSigLogT1,ParSigLogT2;
113  G4double ParSigLogA1,ParSigLogA2;
114  G4double ParRho1,ParRho2;
115 
116  //Cashed parameters:
117  // Longitudinal Coefficients for a sampling calo
118  //
119  G4double ParsAveT1, ParsAveT2;
120  G4double ParsAveA1,ParsAveA2;
121  G4double ParsSigLogT1,ParsSigLogT2;
122  G4double ParsSigLogA1,ParsSigLogA2;
123  G4double ParsRho1,ParsRho2;
124  void ComputeLongitudinalParameters(G4double y);
125  void GenerateEnergyProfile(G4double y);
126  void GenerateNSpotProfile(G4double y);
127 
128  // Radial Coefficients homo
129  //
130  G4double ParRC1,ParRC2,ParRC3,ParRC4;
131  G4double ParWC1,ParWC2,ParWC3;
132  G4double ParWC4,ParWC5,ParWC6;
133  G4double ParRT1,ParRT2,ParRT3,ParRT4;
134  G4double ParRT5,ParRT6;
135 
136  // Radial Coefficients sampling
137  //
138  G4double ParsRC1,ParsRC2;
139  G4double ParsWC1,ParsWC2;
140  G4double ParsRT1,ParsRT2;
141 
142  // Spot multiplicity Coefficients
143  //
144  G4double ParsSpotT1,ParsSpotT2,ParsSpotA1, ParsSpotA2;
145  G4double ParsSpotN1,ParsSpotN2;
146 
147  // PARAMETRISATION variables (Energy & position dependent)
148  // Longitudinal
149  // homogeneous
150  //
151  G4double AveLogAlphah,AveLogTmaxh;
152  G4double SigmaLogAlphah,SigmaLogTmaxh;
153  G4double Rhoh;
154  G4double Alphah,Tmaxh,Betah;
155 
156  // PARAMETRISATION variables (Energy & position dependent)
157  // Longitudinal
158  // sampling
159  //
160  G4double AveLogAlpha,AveLogTmax;
161  G4double SigmaLogAlpha,SigmaLogTmax;
162  G4double Rho;
163  G4double Alpha,Tmax,Beta;
164 
165  // Multiplicity
166  //
167  G4double NSpot,AlphaNSpot,TNSpot,BetaNSpot;
168 
169  //Radial
170  //
171  G4double RadiusCore, WeightCore,RadiusTail;
172 };
173 
174 #endif