include/Geant4/G4LivermoreGammaConversionModel.hh

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0025 //
0026 // Author: Sebastien Incerti
0027 //         22 January 2012
0028 //         on base of G4LivermoreGammaConversionModel (original version)
0029 //         and G4LivermoreRayleighModel (MT version)
0030 //
0031 // Modifications: Zhuxin Li@CENBG
0032 //                11 March 2020
0033 //                derives from G4PairProductionRelModel
0034 // -------------------------------------------------------------------
0035
0036 #ifndef G4LivermoreGammaConversionModel_h
0037 #define G4LivermoreGammaConversionModel_h 1
0038
0039 #include "G4PairProductionRelModel.hh"
0040 #include "G4Log.hh"
0041
0042 class G4ParticleChangeForGamma;
0043 class G4PhysicsFreeVector;
0044 class G4PhysicsLogVector;
0045
0046 class G4LivermoreGammaConversionModel : public G4PairProductionRelModel
0047 {
0048 public:
0049
0050   explicit G4LivermoreGammaConversionModel(
0051                        const G4ParticleDefinition* p = nullptr,
0052                        const G4String& nam = "LivermoreConversion");
0053   ~G4LivermoreGammaConversionModel() override;
0054
0055   void Initialise(const G4ParticleDefinition*,
0056                   const G4DataVector&) override;
0057   void InitialiseForElement(const G4ParticleDefinition*,
0058                                   G4int Z) override;
0059   G4double ComputeCrossSectionPerAtom(
0060                                 const G4ParticleDefinition*,
0061                                       G4double kinEnergy,
0062                                       G4double Z,
0063                                       G4double A=0.0,
0064                                       G4double cut=0.0,
0065                                       G4double emax=DBL_MAX) override;
0066   G4LivermoreGammaConversionModel & operator=
0067   (const  G4LivermoreGammaConversionModel &right) = delete;
0068   G4LivermoreGammaConversionModel(const  G4LivermoreGammaConversionModel&) = delete;
0069
0070 private:
0071   void ReadData(const G4int ZZ);
0072   const G4String& FindDirectoryPath();
0073
0074   G4ParticleChangeForGamma* fParticleChange;
0075
0076   static G4PhysicsFreeVector* data[101]; // 101 because Z range is 1-100
0077   static G4String gDataDirectory;
0078
0079   G4double lowEnergyLimit;
0080   G4int verboseLevel;
0081   G4int maxZ = 100;
0082   G4bool useSpline = false;
0083   G4bool isInitialised = false;
0084 };
0085
0086
0087 #endif