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geant4/source/parameterisations/gflash/include/GFlashHomoShowerParameterisation.hh
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// $Id: GFlashHomoShowerParameterisation.hh 68057 2013-03-13 14:46:00Z gcosmo $
//
//
// ---------------------------------------------------------------
// GEANT 4 class header file
//
// GFlashHomoShowerParameterisation
//
// Class description:
//
// GFlash homogeneous shower parameterisation.
// Author: Joanna Weng - 02.2004
// ---------------------------------------------------------------
#ifndef GFlashHomoShowerParameterisation_h
#define GFlashHomoShowerParameterisation_h 1
#include "globals.hh"
#include "GVFlashHomoShowerTuning.hh"
#include "GVFlashShowerParameterisation.hh"
class G4Material;
class GFlashHomoShowerParameterisation : public GVFlashShowerParameterisation
{
public: // with description
GFlashHomoShowerParameterisation(G4Material * aMat,
GVFlashHomoShowerTuning * aPar = 0);
~GFlashHomoShowerParameterisation();
void ComputeRadialParameters(G4double y, G4double Tau);
void GenerateLongitudinalProfile(G4double Energy);
void ComputeZAX0EFFetc();
G4double IntegrateEneLongitudinal(G4double LongitudinalStep);
G4double IntegrateNspLongitudinal(G4double LongitudinalStep);
G4double ComputeTau(G4double LongitudinalPosition);
G4double GeneratePhi();
G4double GenerateRadius(G4int ispot, G4double Energy,
G4double LongitudinalPosition);
G4double GenerateExponential(G4double Energy);
void SetMaterial(G4Material *mat);
inline G4double GetAveR99() {return (3.5 * Rm);}
inline G4double GetAveR90() {return (1.5 * Rm);} //ok
inline G4double GetAveTmx() {return (X0 * std::exp(AveLogTmaxh));}
inline G4double GetAveT99() {return (X0 * AveLogTmaxh/(AveLogAlphah-1.00));}
inline G4double GetAveT90() {return (2.5* X0*std::exp( AveLogTmaxh) );}
inline G4double GetNspot(){ return NSpot;}
inline G4double GetX0(){return X0;}
inline G4double GetEc(){return Ec;}
inline G4double GetRm(){return Rm;}
private:
G4Material *material;
//Resolution
G4double ConstantResolution;
G4double NoiseResolution;
G4double SamplingResolution;
// parametrization parameters
GVFlashHomoShowerTuning * thePar;
G4bool owning;
// Cashed parameters:
// Longitudinal Coefficients for a homogeneous calo
G4double ParAveT1;
G4double ParAveA1,ParAveA2,ParAveA3;
G4double ParSigLogT1,ParSigLogT2;
G4double ParSigLogA1,ParSigLogA2;
G4double ParRho1,ParRho2;
void ComputeLongitudinalParameters(G4double y);
void GenerateEnergyProfile(G4double y);
void GenerateNSpotProfile(G4double y);
// Radial Coefficients
G4double ParRC1,ParRC2,ParRC3,ParRC4;
G4double ParWC1,ParWC2,ParWC3;
G4double ParWC4,ParWC5,ParWC6;
G4double ParRT1,ParRT2,ParRT3,ParRT4;
G4double ParRT5,ParRT6;
// Spot multiplicity Coefficients
G4double ParSpotT1,ParSpotT2,ParSpotA1, ParSpotA2;
G4double ParSpotN1,ParSpotN2;
// PARAMETRISATION variables (Energy & position dependent)
// Longitudinal
// homogeneous
G4double AveLogAlphah,AveLogTmaxh;
G4double SigmaLogAlphah,SigmaLogTmaxh;
G4double Rhoh;
G4double Alphah,Tmaxh,Betah;
// Multiplicity
G4double NSpot,AlphaNSpot,TNSpot,BetaNSpot;
//Radial
G4double RadiusCore, WeightCore,RadiusTail;
};
#endif