G4LivermoreGammaConversionModelRC.hh

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00001 //
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00025 //
00026 // $Id$
00027 //
00028 // Author: Francesco Longo & Gerardo Depaola
00029 //         on base of G4LivermoreGammaConversionModel
00030 //
00031 
00032 #ifndef G4LivermoreGammaConversionModelRC_h
00033 #define G4LivermoreGammaConversionModelRC_h 1
00034 
00035 #include "G4VEmModel.hh"
00036 #include "G4Electron.hh"
00037 #include "G4Positron.hh"
00038 #include "G4ParticleChangeForGamma.hh"
00039 #include "G4CrossSectionHandler.hh"
00040 #include "G4ForceCondition.hh"
00041 #include "G4CompositeEMDataSet.hh"
00042 #include "G4Gamma.hh"
00043 
00044 class G4LivermoreGammaConversionModelRC : public G4VEmModel
00045 {
00046 
00047 public:
00048 
00049   G4LivermoreGammaConversionModelRC(const G4ParticleDefinition* p = 0, 
00050                      const G4String& nam = "LivermoreConversion");
00051 
00052   virtual ~G4LivermoreGammaConversionModelRC();
00053 
00054   virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
00055 
00056   virtual G4double ComputeCrossSectionPerAtom(
00057                                 const G4ParticleDefinition*,
00058                                       G4double kinEnergy, 
00059                                       G4double Z, 
00060                                       G4double A=0, 
00061                                       G4double cut=0,
00062                                       G4double emax=DBL_MAX);
00063 
00064   virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
00065                                  const G4MaterialCutsCouple*,
00066                                  const G4DynamicParticle*,
00067                                  G4double tmin,
00068                                  G4double maxEnergy);
00069 
00070 protected:
00071 
00072   G4ParticleChangeForGamma* fParticleChange;
00073 
00074   G4double GetMeanFreePath(const G4Track& aTrack, 
00075                            G4double previousStepSize, 
00076                            G4ForceCondition* condition);
00077 private:
00078 
00079   const G4double smallEnergy;
00080   G4double lowEnergyLimit;  
00081   G4double highEnergyLimit;
00082 
00083   G4int verboseLevel;
00084   G4bool isInitialised;
00085   
00086   G4double ScreenFunction1(G4double screenVariable);
00087   G4double ScreenFunction2(G4double screenVariable);
00088   G4VCrossSectionHandler* crossSectionHandler;
00089   G4VEMDataSet* meanFreePathTable;
00090 
00091   G4LivermoreGammaConversionModelRC & operator=(const  G4LivermoreGammaConversionModelRC &right);
00092   G4LivermoreGammaConversionModelRC(const  G4LivermoreGammaConversionModelRC&);
00093 
00094 
00095 };
00096 
00097 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00098 
00099 #endif

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