Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/electromagnetic/standard/include/G4KleinNishinaModel.hh

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 25 //
 26 //
 27 // -------------------------------------------------------------------
 28 //
 29 // GEANT4 Class header file
 30 //
 31 //
 32 // File name:     G4KleinNishinaModel
 33 //
 34 // Author:        Vladimir Ivanchenko on base of G4KleinNishinaCompton
 35 //
 36 // Creation date: 13.06.2010
 37 //
 38 // Modifications:
 39 //
 40 // Class Description:
 41 //
 42 // Implementation of gamma Compton scattering with atomic effects 
 43 // 
 44 
 45 // -------------------------------------------------------------------
 46 //
 47 
 48 #ifndef G4KleinNishinaModel_h
 49 #define G4KleinNishinaModel_h 1
 50 
 51 #include "G4VEmModel.hh"
 52 #include "G4LorentzVector.hh"
 53 #include <vector>
 54 
 55 class G4ParticleChangeForGamma;
 56 class G4VAtomDeexcitation;
 57 
 58 class G4KleinNishinaModel : public G4VEmModel
 59 {
 60 
 61 public:
 62 
 63   explicit G4KleinNishinaModel(const G4String& nam = "KleinNishina");
 64 
 65   ~G4KleinNishinaModel() override;
 66 
 67   void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
 68 
 69   void InitialiseLocal(const G4ParticleDefinition*, 
 70            G4VEmModel* masterModel) override;
 71 
 72   G4double ComputeCrossSectionPerAtom(
 73                                 const G4ParticleDefinition*,
 74                                       G4double kinEnergy, 
 75                                       G4double Z, 
 76                                       G4double A, 
 77                                       G4double cut,
 78                                       G4double emax) override;
 79 
 80   void SampleSecondaries(std::vector<G4DynamicParticle*>*,
 81        const G4MaterialCutsCouple*,
 82        const G4DynamicParticle*,
 83        G4double tmin,
 84        G4double maxEnergy) override;
 85 
 86   // hide assignment operator
 87   G4KleinNishinaModel & operator=(const  G4KleinNishinaModel &right) = delete;
 88   G4KleinNishinaModel(const  G4KleinNishinaModel&) = delete;
 89  
 90 protected:
 91 
 92   G4ParticleDefinition*     theGamma;
 93   G4ParticleDefinition*     theElectron;
 94   G4ParticleChangeForGamma* fParticleChange;
 95   G4double                  lowestSecondaryEnergy;
 96 
 97 private:
 98 
 99   G4LorentzVector lv1, lv2;
100   G4ThreeVector bst;
101 
102   G4VAtomDeexcitation*      fAtomDeexcitation;
103   G4double                  limitFactor;
104   std::vector<G4double>     fProbabilities;
105 };
106 
107 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
108 
109 #endif
110