Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/electromagnetic/lowenergy/include/G4JAEAElasticScatteringModel.hh

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 26 /*
 27 Author:
 28 M. Omer and R. Hajima  on   17 October 2016
 29 contact:
 30 omer.mohamed@jaea.go.jp and hajima.ryoichi@qst.go.jp
 31 Publication Information:
 32 1- M. Omer, R. Hajima, Including Delbrück scattering in Geant4,
 33 Nucl. Instrum. Methods Phys. Res. Sect. B, vol. 405, 2017, pp. 43-49.,
 34 https://doi.org/10.1016/j.nimb.2017.05.028
 35 2- M. Omer, R. Hajima, Geant4 physics process for elastic scattering of gamma-rays,
 36 JAEA Technical Report 2018-007, 2018.
 37 https://doi.org/10.11484/jaea-data-code-2018-007
 38 */
 39 //         on base of G4LivermoreRayleighModel
 40 //
 41 
 42 #ifndef G4JAEAElasticScatteringModel_h
 43 #define G4JAEAElasticScatteringModel_h 1
 44 
 45 #include "G4VEmModel.hh"
 46 #include "G4ParticleChangeForGamma.hh"
 47 #include "G4PhysicsFreeVector.hh"
 48 #include "G4ProductionCutsTable.hh"
 49 #include "G4DataVector.hh"
 50 
 51 class G4JAEAElasticScatteringModel : public G4VEmModel
 52 {
 53 public:
 54   explicit G4JAEAElasticScatteringModel();
 55   virtual ~G4JAEAElasticScatteringModel();
 56 
 57   void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
 58 
 59   void InitialiseLocal(const G4ParticleDefinition*,
 60            G4VEmModel* masterModel) override;
 61 
 62   void InitialiseForElement(const G4ParticleDefinition*, G4int Z) override;
 63 
 64   G4double ComputeCrossSectionPerAtom(
 65               const G4ParticleDefinition*,
 66                                       G4double kinEnergy,
 67                                       G4double Z,
 68                                       G4double A=0,
 69                                       G4double cut=0,
 70                                       G4double emax=DBL_MAX) override;
 71 
 72   void SampleSecondaries(std::vector<G4DynamicParticle*>*,
 73        const G4MaterialCutsCouple*,
 74        const G4DynamicParticle*,
 75        G4double tmin,
 76        G4double maxEnergy) override;
 77   
 78   void SetLowEnergyThreshold(G4double val){lowEnergyLimit = val;};
 79   void SetDebugVerbosity(G4int val){verboseLevel = val;};
 80 
 81   G4JAEAElasticScatteringModel & operator=(const G4JAEAElasticScatteringModel &right) = delete;
 82   G4JAEAElasticScatteringModel(const G4JAEAElasticScatteringModel&) = delete;
 83 
 84 private:
 85   void ReadData(std::size_t Z, const char* path = 0);
 86 
 87   static const G4int maxZ = 99;
 88   static G4PhysicsFreeVector* dataCS[maxZ+1];
 89   static G4DataVector* ES_Data[maxZ+1];
 90   G4ParticleChangeForGamma* fParticleChange;
 91   G4double distribution[181];
 92   G4double pdf[181];
 93   G4double cdf[181];
 94 
 95   G4double lowEnergyLimit;
 96   
 97   G4int verboseLevel;
 98   G4bool isInitialised;
 99   
100 };
101 
102 
103 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
104 
105 #endif
106