include/Geant4/G4XrayRayleighModel.hh

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0025 //
0026 // author: Vladimir Grichine
0027 //
0028 // 14.10.12 V. Grichine, fFormFactor was added as the class member
0029 // 25.05.2011 first implementation
0030 //
0031 // X ray Rayleigh scattering model based on simplified form-factors
0032 // and angular distribution
0033 //
0034
0035 #ifndef G4XrayRayleighModel_h
0036 #define G4XrayRayleighModel_h 1
0037
0038 #include "G4VEmModel.hh"
0039 #include "G4ParticleChangeForGamma.hh"
0040 #include "G4Gamma.hh"
0041
0042 class G4XrayRayleighModel : public G4VEmModel
0043 {
0044
0045 public:
0046
0047   explicit G4XrayRayleighModel(const G4ParticleDefinition* p = nullptr,
0048                    const G4String& nam = "XrayRayleigh");
0049
0050   ~G4XrayRayleighModel() override;
0051
0052   void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
0053
0054   G4double ComputeCrossSectionPerAtom(
0055                                 const G4ParticleDefinition*,
0056                                       G4double kinEnergy,
0057                                       G4double Z,
0058                                       G4double A=0,
0059                                       G4double cut=0,
0060                                       G4double emax=DBL_MAX) override;
0061
0062   void SampleSecondaries(std::vector<G4DynamicParticle*>*,
0063              const G4MaterialCutsCouple*,
0064              const G4DynamicParticle*,
0065              G4double tmin,
0066              G4double maxEnergy) override;
0067
0068   G4XrayRayleighModel & operator=(const  G4XrayRayleighModel &right) = delete;
0069   G4XrayRayleighModel(const  G4XrayRayleighModel&) = delete;
0070
0071 private:
0072
0073   G4ParticleChangeForGamma* fParticleChange;
0074
0075   G4double lowEnergyLimit;
0076   G4double highEnergyLimit;
0077   G4double fFormFactor;
0078
0079   G4int verboseLevel;
0080   G4bool isInitialised;
0081
0082   static const G4double fCofA;
0083   static const G4double fCofR;
0084
0085 };
0086
0087 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0088
0089 #endif