| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: GFlashSamplingShowerParameterisation.hh,v 1.4 2006/06/29 19:13:53 gunter Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $
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| 29 | //
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| 30 | //
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| 31 | //---------------------------------------------------------------
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| 32 | // GEANT 4 class header file
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| 33 | //
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| 34 | // GFlashSamplingShowerParameterisation
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| 35 | //
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| 36 | // Class description:
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| 37 | //
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| 38 | // GFlash concrete sampling shower parameterisation
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| 39 |
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| 40 | // Author: Joanna Weng - 02.2004
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| 41 | //---------------------------------------------------------------
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| 42 | #ifndef GFlashSamplingShowerParameterisation_h
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| 43 | #define GFlashSamplingShowerParameterisation_h 1
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| 44 |
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| 45 | #include "globals.hh"
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| 46 | #include "GFlashSamplingShowerTuning.hh"
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| 47 | #include "GVFlashShowerParameterisation.hh"
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| 48 |
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| 49 | class G4Material;
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| 50 |
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| 51 | class GFlashSamplingShowerParameterisation
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| 52 | : public GVFlashShowerParameterisation
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| 53 | {
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| 54 | public:
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| 55 |
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| 56 | GFlashSamplingShowerParameterisation(G4Material* aMat1, G4Material* aMat2,
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| 57 | G4double d1, G4double d2,
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| 58 | GFlashSamplingShowerTuning * aPar = 0);
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| 59 | ~GFlashSamplingShowerParameterisation();
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| 60 |
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| 61 | void ComputeRadialParameters(G4double y, G4double Tau);
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| 62 | void GenerateLongitudinalProfile(G4double Energy);
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| 63 | void ComputeZAX0EFFetc();
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| 64 |
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| 65 | G4double IntegrateEneLongitudinal(G4double LongitudinalStep);
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| 66 | G4double IntegrateNspLongitudinal(G4double LongitudinalStep);
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| 67 | G4double ComputeTau(G4double LongitudinalPosition);
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| 68 | void SetMaterial(G4Material *mat1, G4Material *mat2);
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| 69 | G4double GeneratePhi();
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| 70 | G4double GenerateRadius(G4int ispot, G4double Energy,
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| 71 | G4double LongitudinalPosition);
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| 72 | G4double GenerateExponential(G4double Energy);
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| 73 |
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| 74 | inline G4double GetAveR99() {return (3.5 * Rmeff);}
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| 75 | inline G4double GetAveR90() {return (1.5 * Rmeff);} //ok
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| 76 | //
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| 77 | inline G4double GetAveTmx() {return (X0eff*std::exp(AveLogTmax));}
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| 78 | inline G4double GetAveT99() {return (X0eff*AveLogTmax/(AveLogAlpha-1.00));}
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| 79 | inline G4double GetAveT90() {return (2.5* X0eff* std::exp( AveLogTmax));}
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| 80 | //
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| 81 | inline G4double GetNspot() {return NSpot;}
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| 82 | inline G4double GetX0() {return X0eff;}
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| 83 | inline G4double GetEc() {return Eceff;}
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| 84 | inline G4double GetRm() {return Rmeff;}
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| 85 |
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| 86 | G4double ApplySampling(const G4double DEne, const G4double Energy);
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| 87 |
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| 88 | private:
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| 89 |
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| 90 | // medium related quantities
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| 91 | //
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| 92 | G4Material *material1, *material2 ;
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| 93 | G4double density1, A1, Z1, X01, Ec1, Rm1, d1;
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| 94 | G4double density2, A2, Z2, X02, Ec2, Rm2, d2;
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| 95 | G4double Aeff, Rhoeff, X0eff, Eceff, Rmeff, Fs, ehat, Zeff;
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| 96 |
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| 97 | // Resolution
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| 98 | //
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| 99 | G4double ConstantResolution;
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| 100 | G4double NoiseResolution;
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| 101 | G4double SamplingResolution;
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| 102 |
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| 103 | // parametrization parameters
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| 104 | //
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| 105 | GFlashSamplingShowerTuning * thePar;
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| 106 |
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| 107 | // Cashed parameters:
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| 108 | // Longitudinal Coefficients for a homogenious calo
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| 109 | //
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| 110 | G4double ParAveT1, ParAveT2;
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| 111 | G4double ParAveA1,ParAveA2, ParAveA3;
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| 112 | G4double ParSigLogT1,ParSigLogT2;
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| 113 | G4double ParSigLogA1,ParSigLogA2;
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| 114 | G4double ParRho1,ParRho2;
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| 115 |
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| 116 | //Cashed parameters:
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| 117 | // Longitudinal Coefficients for a sampling calo
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| 118 | //
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| 119 | G4double ParsAveT1, ParsAveT2;
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| 120 | G4double ParsAveA1,ParsAveA2;
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| 121 | G4double ParsSigLogT1,ParsSigLogT2;
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| 122 | G4double ParsSigLogA1,ParsSigLogA2;
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| 123 | G4double ParsRho1,ParsRho2;
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| 124 | void ComputeLongitudinalParameters(G4double y);
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| 125 | void GenerateEnergyProfile(G4double y);
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| 126 | void GenerateNSpotProfile(G4double y);
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| 127 |
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| 128 | // Radial Coefficients homo
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| 129 | //
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| 130 | G4double ParRC1,ParRC2,ParRC3,ParRC4;
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| 131 | G4double ParWC1,ParWC2,ParWC3;
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| 132 | G4double ParWC4,ParWC5,ParWC6;
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| 133 | G4double ParRT1,ParRT2,ParRT3,ParRT4;
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| 134 | G4double ParRT5,ParRT6;
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| 135 |
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| 136 | // Radial Coefficients sampling
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| 137 | //
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| 138 | G4double ParsRC1,ParsRC2;
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| 139 | G4double ParsWC1,ParsWC2;
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| 140 | G4double ParsRT1,ParsRT2;
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| 141 |
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| 142 | // Spot multiplicity Coefficients
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| 143 | //
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| 144 | G4double ParsSpotT1,ParsSpotT2,ParsSpotA1, ParsSpotA2;
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| 145 | G4double ParsSpotN1,ParsSpotN2;
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| 146 |
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| 147 | // PARAMETRISATION variables (Energy & position dependent)
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| 148 | // Longitudinal
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| 149 | // homogeneous
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| 150 | //
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| 151 | G4double AveLogAlphah,AveLogTmaxh;
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| 152 | G4double SigmaLogAlphah,SigmaLogTmaxh;
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| 153 | G4double Rhoh;
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| 154 | G4double Alphah,Tmaxh,Betah;
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| 155 |
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| 156 | // PARAMETRISATION variables (Energy & position dependent)
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| 157 | // Longitudinal
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| 158 | // sampling
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| 159 | //
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| 160 | G4double AveLogAlpha,AveLogTmax;
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| 161 | G4double SigmaLogAlpha,SigmaLogTmax;
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| 162 | G4double Rho;
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| 163 | G4double Alpha,Tmax,Beta;
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| 164 |
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| 165 | // Multiplicity
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| 166 | //
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| 167 | G4double NSpot,AlphaNSpot,TNSpot,BetaNSpot;
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| 168 |
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| 169 | //Radial
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| 170 | //
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| 171 | G4double RadiusCore, WeightCore,RadiusTail;
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| 172 | };
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| 173 |
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| 174 | #endif
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