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geant4/source/parameterisations/gflash/include/GFlashSamplingShowerParameterisation.hh
2024-12-06 11:11:40 +01:00

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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,
/// \param aMat1 passive material, \param dd1 - passive layer thickness
/// \param aMat2 active material, \param dd2 - acive layer thickness
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; }
inline G4double GetEffDensity() { return Rhoeff; }
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{1.0}, X0eff{1.0}, Eceff{1.0}, Rmeff{1.0}, 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