Gabriele Cosmo
104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
// This code implementation is the intellectual property of
|
|
// the GEANT4 collaboration.
|
|
//
|
|
// By copying, distributing or modifying the Program (or any work
|
|
// based on the Program) you indicate your acceptance of this statement,
|
|
// and all its terms.
|
|
//
|
|
// $Id: G4LowEnergyGammaConversion.hh,v 1.2.8.1 1999/12/07 20:50:20 gunter Exp $
|
|
// GEANT4 tag $Name: geant4-01-00 $
|
|
//
|
|
//
|
|
// ------------------------------------------------------------
|
|
// GEANT 4 class header file
|
|
// CERN Geneva Switzerland
|
|
//
|
|
// For information related to this code contact:
|
|
// CERN, CN Division, ASD group
|
|
// History: first implementation, based on object model of
|
|
// 2nd December 1995, G.Cosmo
|
|
// ------------ G4LowEnergyGammaConversion physics process ------
|
|
// by Michel Maire, 24 May 1996
|
|
// ************************************************************
|
|
// 11-06-96, Added GetRandomAtom() method and new data member
|
|
// for cumulative total cross section, by M.Maire
|
|
// 21-06-96, SetCuts inplementation, M.Maire
|
|
// 16-09-96, Dynamical array PartialSumSigma, M.Maire
|
|
// 14-01-97, crossection table + meanfreepath table.
|
|
// PartialSumSigma removed, M.Maire
|
|
// 14-03-97, new physics scheme for geant4alpha, M.Maire
|
|
// ------------------------------------------------------------
|
|
|
|
#ifndef G4LowEnergyGammaConversion_h
|
|
#define G4LowEnergyGammaConversion_h 1
|
|
|
|
// Base Class Headers
|
|
#include "G4VDiscreteProcess.hh"
|
|
|
|
// Contained Variables Headers
|
|
#include "G4LowEnergyUtilities.hh"
|
|
#include "G4Gamma.hh"
|
|
|
|
class G4LowEnergyGammaConversion : public G4VDiscreteProcess
|
|
|
|
{
|
|
private:
|
|
// hide assignment operator as private
|
|
G4LowEnergyGammaConversion& operator=(const G4LowEnergyGammaConversion &right);
|
|
G4LowEnergyGammaConversion(const G4LowEnergyGammaConversion& );
|
|
|
|
public:
|
|
|
|
G4LowEnergyGammaConversion(const G4String& processName ="LowEnConversion");
|
|
|
|
~G4LowEnergyGammaConversion();
|
|
|
|
G4bool IsApplicable(const G4ParticleDefinition&);
|
|
|
|
void BuildPhysicsTable(const G4ParticleDefinition& GammaType);
|
|
|
|
G4double GetMeanFreePath(const G4Track& aTrack,
|
|
G4double previousStepSize,
|
|
G4ForceCondition* condition);
|
|
|
|
G4VParticleChange* PostStepDoIt(const G4Track& aTrack, const G4Step& aStep);
|
|
|
|
protected:
|
|
|
|
void BuildCrossSectionTable();
|
|
void BuildMeanFreePathTable();
|
|
void BuildZVec();
|
|
|
|
private:
|
|
|
|
G4Element* SelectRandomAtom(const G4DynamicParticle*, G4Material*);
|
|
|
|
static G4double ScreenFunction1(G4double ScreenVariable);
|
|
static G4double ScreenFunction2(G4double ScreenVariable);
|
|
|
|
private:
|
|
|
|
G4SecondLevel* theCrossSectionTable;
|
|
G4PhysicsTable* theMeanFreePathTable;
|
|
|
|
G4LowEnergyUtilities util;
|
|
|
|
G4double LowestEnergyLimit;
|
|
G4double HighestEnergyLimit;
|
|
G4int NumbBinTable;
|
|
G4Data* ZNumVec;
|
|
G4double MeanFreePath; // actual Mean Free Path (current medium)
|
|
};
|
|
|
|
#include "G4LowEnergyGammaConversion.icc"
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|