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geant4/source/parameterisations/gflash/include/GFlashSamplingShowerParameterisation.hh
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//
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//---------------------------------------------------------------
// GEANT 4 class header file
//
// GFlashSamplingShowerParameterisation
//
// Class description:
//
// GFlash concrete sampling shower parameterisation
// Author: Joanna Weng - 02.2004
//---------------------------------------------------------------
#ifndef GFlashSamplingShowerParameterisation_h
#define GFlashSamplingShowerParameterisation_h 1
#include "globals.hh"
#include "GFlashSamplingShowerTuning.hh"
#include "GVFlashShowerParameterisation.hh"
class G4Material;
class GFlashSamplingShowerParameterisation
: public GVFlashShowerParameterisation
{
public:
GFlashSamplingShowerParameterisation(G4Material* aMat1, G4Material* aMat2,
G4double d1, G4double d2,
GFlashSamplingShowerTuning * aPar = 0);
~GFlashSamplingShowerParameterisation();
void ComputeRadialParameters(G4double y, G4double Tau);
void GenerateLongitudinalProfile(G4double Energy);
void ComputeZAX0EFFetc();
G4double IntegrateEneLongitudinal(G4double LongitudinalStep);
G4double IntegrateNspLongitudinal(G4double LongitudinalStep);
G4double ComputeTau(G4double LongitudinalPosition);
void SetMaterial(G4Material *mat1, G4Material *mat2);
G4double GeneratePhi();
G4double GenerateRadius(G4int ispot, G4double Energy,
G4double LongitudinalPosition);
G4double GenerateExponential(G4double Energy);
inline G4double GetAveR99() {return (3.5 * Rmeff);}
inline G4double GetAveR90() {return (1.5 * Rmeff);} //ok
//
inline G4double GetAveTmx() {return (X0eff*std::exp(AveLogTmax));}
inline G4double GetAveT99() {return (X0eff*AveLogTmax/(AveLogAlpha-1.00));}
inline G4double GetAveT90() {return (2.5* X0eff* std::exp( AveLogTmax));}
//
inline G4double GetNspot() {return NSpot;}
inline G4double GetX0() {return X0eff;}
inline G4double GetEc() {return Eceff;}
inline G4double GetRm() {return Rmeff;}
G4double ApplySampling(const G4double DEne, const G4double Energy);
private:
// medium related quantities
//
G4Material *material1, *material2 ;
G4double density1, A1, Z1, X01, Ec1, Rm1, d1;
G4double density2, A2, Z2, X02, Ec2, Rm2, d2;
G4double Aeff, Rhoeff, X0eff, Eceff, Rmeff, Fs, ehat, Zeff;
// Resolution
//
G4double ConstantResolution;
G4double NoiseResolution;
G4double SamplingResolution;
// parametrization parameters
//
GFlashSamplingShowerTuning * thePar;
// Cashed parameters:
// Longitudinal Coefficients for a homogenious calo
//
G4double ParAveT1, ParAveT2;
G4double ParAveA1,ParAveA2, ParAveA3;
G4double ParSigLogT1,ParSigLogT2;
G4double ParSigLogA1,ParSigLogA2;
G4double ParRho1,ParRho2;
//Cashed parameters:
// Longitudinal Coefficients for a sampling calo
//
G4double ParsAveT1, ParsAveT2;
G4double ParsAveA1,ParsAveA2;
G4double ParsSigLogT1,ParsSigLogT2;
G4double ParsSigLogA1,ParsSigLogA2;
G4double ParsRho1,ParsRho2;
void ComputeLongitudinalParameters(G4double y);
void GenerateEnergyProfile(G4double y);
void GenerateNSpotProfile(G4double y);
// Radial Coefficients homo
//
G4double ParRC1,ParRC2,ParRC3,ParRC4;
G4double ParWC1,ParWC2,ParWC3;
G4double ParWC4,ParWC5,ParWC6;
G4double ParRT1,ParRT2,ParRT3,ParRT4;
G4double ParRT5,ParRT6;
// Radial Coefficients sampling
//
G4double ParsRC1,ParsRC2;
G4double ParsWC1,ParsWC2;
G4double ParsRT1,ParsRT2;
// Spot multiplicity Coefficients
//
G4double ParsSpotT1,ParsSpotT2,ParsSpotA1, ParsSpotA2;
G4double ParsSpotN1,ParsSpotN2;
// PARAMETRISATION variables (Energy & position dependent)
// Longitudinal
// homogeneous
//
G4double AveLogAlphah,AveLogTmaxh;
G4double SigmaLogAlphah,SigmaLogTmaxh;
G4double Rhoh;
G4double Alphah,Tmaxh,Betah;
// PARAMETRISATION variables (Energy & position dependent)
// Longitudinal
// sampling
//
G4double AveLogAlpha,AveLogTmax;
G4double SigmaLogAlpha,SigmaLogTmax;
G4double Rho;
G4double Alpha,Tmax,Beta;
// Multiplicity
//
G4double NSpot,AlphaNSpot,TNSpot,BetaNSpot;
//Radial
//
G4double RadiusCore, WeightCore,RadiusTail;
};
#endif