Gabriele Cosmo
174 lines
5.9 KiB
C++
174 lines
5.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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//
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//
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//---------------------------------------------------------------
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// GEANT 4 class header file
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//
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// GFlashSamplingShowerParameterisation
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//
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// Class description:
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//
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// GFlash concrete sampling shower parameterisation
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// Author: Joanna Weng - 02.2004
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//---------------------------------------------------------------
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#ifndef GFlashSamplingShowerParameterisation_h
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#define GFlashSamplingShowerParameterisation_h 1
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#include "globals.hh"
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#include "GFlashSamplingShowerTuning.hh"
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#include "GVFlashShowerParameterisation.hh"
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class G4Material;
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class GFlashSamplingShowerParameterisation
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: public GVFlashShowerParameterisation
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{
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public:
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GFlashSamplingShowerParameterisation(G4Material* aMat1, G4Material* aMat2,
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G4double d1, G4double d2,
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GFlashSamplingShowerTuning * aPar = 0);
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~GFlashSamplingShowerParameterisation();
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void ComputeRadialParameters(G4double y, G4double Tau);
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void GenerateLongitudinalProfile(G4double Energy);
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void ComputeZAX0EFFetc();
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G4double IntegrateEneLongitudinal(G4double LongitudinalStep);
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G4double IntegrateNspLongitudinal(G4double LongitudinalStep);
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G4double ComputeTau(G4double LongitudinalPosition);
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void SetMaterial(G4Material *mat1, G4Material *mat2);
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G4double GeneratePhi();
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G4double GenerateRadius(G4int ispot, G4double Energy,
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G4double LongitudinalPosition);
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G4double GenerateExponential(G4double Energy);
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inline G4double GetAveR99() {return (3.5 * Rmeff);}
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inline G4double GetAveR90() {return (1.5 * Rmeff);} //ok
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//
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inline G4double GetAveTmx() {return (X0eff*std::exp(AveLogTmax));}
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inline G4double GetAveT99() {return (X0eff*AveLogTmax/(AveLogAlpha-1.00));}
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inline G4double GetAveT90() {return (2.5* X0eff* std::exp( AveLogTmax));}
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//
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inline G4double GetNspot() {return NSpot;}
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inline G4double GetX0() {return X0eff;}
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inline G4double GetEc() {return Eceff;}
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inline G4double GetRm() {return Rmeff;}
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G4double ApplySampling(const G4double DEne, const G4double Energy);
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private:
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// medium related quantities
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//
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G4Material *material1, *material2 ;
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G4double density1, A1, Z1, X01, Ec1, Rm1, d1;
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G4double density2, A2, Z2, X02, Ec2, Rm2, d2;
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G4double Aeff, Rhoeff, X0eff, Eceff, Rmeff, Fs, ehat, Zeff;
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// Resolution
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//
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G4double ConstantResolution;
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G4double NoiseResolution;
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G4double SamplingResolution;
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// parametrization parameters
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//
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GFlashSamplingShowerTuning * thePar;
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G4bool owning;
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// Cashed parameters:
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// Longitudinal Coefficients for a homogenious calo
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//
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G4double ParAveT1, ParAveT2;
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G4double ParAveA1,ParAveA2, ParAveA3;
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G4double ParSigLogT1,ParSigLogT2;
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G4double ParSigLogA1,ParSigLogA2;
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G4double ParRho1,ParRho2;
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//Cashed parameters:
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// Longitudinal Coefficients for a sampling calo
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//
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G4double ParsAveT1, ParsAveT2;
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G4double ParsAveA1,ParsAveA2;
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G4double ParsSigLogT1,ParsSigLogT2;
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G4double ParsSigLogA1,ParsSigLogA2;
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G4double ParsRho1,ParsRho2;
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void ComputeLongitudinalParameters(G4double y);
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void GenerateEnergyProfile(G4double y);
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void GenerateNSpotProfile(G4double y);
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// Radial Coefficients homo
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//
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G4double ParRC1,ParRC2,ParRC3,ParRC4;
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G4double ParWC1,ParWC2,ParWC3;
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G4double ParWC4,ParWC5,ParWC6;
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G4double ParRT1,ParRT2,ParRT3,ParRT4;
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G4double ParRT5,ParRT6;
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// Radial Coefficients sampling
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//
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G4double ParsRC1,ParsRC2;
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G4double ParsWC1,ParsWC2;
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G4double ParsRT1,ParsRT2;
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// Spot multiplicity Coefficients
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//
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G4double ParsSpotT1,ParsSpotT2,ParsSpotA1, ParsSpotA2;
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G4double ParsSpotN1,ParsSpotN2;
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// PARAMETRISATION variables (Energy & position dependent)
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// Longitudinal
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// homogeneous
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//
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G4double AveLogAlphah,AveLogTmaxh;
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G4double SigmaLogAlphah,SigmaLogTmaxh;
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G4double Rhoh;
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G4double Alphah,Tmaxh,Betah;
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// PARAMETRISATION variables (Energy & position dependent)
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// Longitudinal
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// sampling
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//
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G4double AveLogAlpha,AveLogTmax;
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G4double SigmaLogAlpha,SigmaLogTmax;
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G4double Rho;
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G4double Alpha,Tmax,Beta;
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// Multiplicity
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//
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G4double NSpot,AlphaNSpot,TNSpot,BetaNSpot;
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//Radial
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//
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G4double RadiusCore, WeightCore,RadiusTail;
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};
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#endif
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