Gabriele Cosmo
99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4LowEnergyGammaConversion.hh,v 1.6 2000/11/03 10:29:50 pia Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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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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// CERN Geneva Switzerland
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//
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// For information related to this code contact:
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// CERN, CN Division, ASD group
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// ------------ G4LowEnergyGammaConversion physics process ------
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// by A.Forti 1999/03/02
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//
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// Class description:
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// Low Energy process, Photon conversion
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// Further documentation available from http://www.ge.infn.it/geant4/lowE
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// ************************************************************
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#ifndef G4LowEnergyGammaConversion_h
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#define G4LowEnergyGammaConversion_h 1
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// Base Class Headers
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#include "G4VDiscreteProcess.hh"
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// Contained Variables Headers
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#include "G4LowEnergyUtilities.hh"
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#include "G4Gamma.hh"
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class G4LowEnergyGammaConversion : public G4VDiscreteProcess
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{
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private:
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// hide assignment operator as private
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G4LowEnergyGammaConversion& operator=(const G4LowEnergyGammaConversion &right);
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G4LowEnergyGammaConversion(const G4LowEnergyGammaConversion& );
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public:
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G4LowEnergyGammaConversion(const G4String& processName ="LowEnConversion");
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~G4LowEnergyGammaConversion();
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G4bool IsApplicable(const G4ParticleDefinition&);
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void BuildPhysicsTable(const G4ParticleDefinition& GammaType);
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G4double GetMeanFreePath(const G4Track& aTrack,
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G4double previousStepSize,
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G4ForceCondition* condition);
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G4VParticleChange* PostStepDoIt(const G4Track& aTrack, const G4Step& aStep);
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protected:
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void BuildCrossSectionTable();
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void BuildMeanFreePathTable();
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void BuildZVec();
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private:
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G4Element* SelectRandomAtom(const G4DynamicParticle*, G4Material*);
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static G4double ScreenFunction1(G4double ScreenVariable);
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static G4double ScreenFunction2(G4double ScreenVariable);
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private:
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G4SecondLevel* theCrossSectionTable;
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G4PhysicsTable* theMeanFreePathTable;
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G4LowEnergyUtilities util;
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G4double LowestEnergyLimit;
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G4double HighestEnergyLimit;
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G4int NumbBinTable;
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G4Data* ZNumVec;
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G4double MeanFreePath; // actual Mean Free Path (current medium)
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};
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#include "G4LowEnergyGammaConversion.icc"
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#endif
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