include/Geant4/G4LivermoreNuclearGammaConversionModel.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
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0024 // ********************************************************************
0025 //
0026 // Authors: G.Depaola & F.Longo
0027
0028 #ifndef G4LivermoreNuclearGammaConversionModel_h
0029 #define G4LivermoreNuclearGammaConversionModel_h 1
0030
0031 #include "G4VEmModel.hh"
0032 #include "G4Electron.hh"
0033 #include "G4Positron.hh"
0034 #include "G4ParticleChangeForGamma.hh"
0035 #include "G4PhysicsFreeVector.hh"
0036 #include "G4ProductionCutsTable.hh"
0037
0038 class G4LivermoreNuclearGammaConversionModel : public G4VEmModel
0039 {
0040
0041 public:
0042
0043   explicit G4LivermoreNuclearGammaConversionModel(const G4ParticleDefinition* p = nullptr,
0044                           const G4String& nam = "LivermoreNuclearConversion");
0045
0046   virtual ~G4LivermoreNuclearGammaConversionModel();
0047
0048   void Initialise(const G4ParticleDefinition*,
0049                           const G4DataVector&) override;
0050
0051   //MT
0052   void InitialiseLocal(const G4ParticleDefinition*,
0053                          G4VEmModel* masterModel) override;
0054
0055   void InitialiseForElement(const G4ParticleDefinition*, G4int Z) override;
0056   //END MT
0057
0058   G4double ComputeCrossSectionPerAtom(
0059                       const G4ParticleDefinition*,
0060                                       G4double kinEnergy,
0061                                       G4double Z,
0062                                       G4double A=0,
0063                                       G4double cut=0,
0064                                       G4double emax=DBL_MAX) override;
0065
0066   void SampleSecondaries(std::vector<G4DynamicParticle*>*,
0067                  const G4MaterialCutsCouple*,
0068                  const G4DynamicParticle*,
0069                        G4double tmin,
0070                        G4double maxEnergy) override;
0071
0072   G4double MinPrimaryEnergy(const G4Material*,
0073                     const G4ParticleDefinition*,
0074                     G4double) override;
0075
0076   G4LivermoreNuclearGammaConversionModel & operator=(const  G4LivermoreNuclearGammaConversionModel &right)
0077   = delete;
0078   G4LivermoreNuclearGammaConversionModel(const  G4LivermoreNuclearGammaConversionModel&) = delete;
0079
0080 private:
0081   void ReadData(size_t Z, const char* path = 0);
0082   G4double ScreenFunction1(G4double screenVariable);
0083   G4double ScreenFunction2(G4double screenVariable);
0084
0085   G4ParticleChangeForGamma* fParticleChange;
0086
0087   //MT
0088   static const G4int maxZ = 100;
0089   static G4PhysicsFreeVector* data[maxZ+1]; // 101 because Z range is 1-100
0090   //END MT
0091
0092   G4double lowEnergyLimit;
0093   G4double smallEnergy;
0094   G4int verboseLevel;
0095   G4bool isInitialised;
0096
0097 };
0098
0099 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0100
0101 #endif