Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/electromagnetic/polarisation/include/G4PolarizedAnnihilation.hh

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 25 //
 26 // -------------------------------------------------------------------
 27 //
 28 // Geant4 Class header file
 29 //
 30 // File name:     G4PolarizedAnnihilation
 31 //
 32 // Author:   A. Schaelicke on base of Vladimir Ivanchenko / Michel Maire code
 33 //
 34 // Class Description:
 35 //  Polarized process of e+ annihilation into 2 gammas
 36 //
 37 // -------------------------------------------------------------------
 38 
 39 #ifndef G4PolarizedAnnihilation_h
 40 #define G4PolarizedAnnihilation_h 1
 41 
 42 #include "globals.hh"
 43 #include "G4eplusAnnihilation.hh"
 44 
 45 class G4PolarizedAnnihilationModel;
 46 
 47 class G4PolarizedAnnihilation : public G4eplusAnnihilation
 48 {
 49  public:
 50   explicit G4PolarizedAnnihilation(const G4String& name = "pol-annihil");
 51 
 52   virtual ~G4PolarizedAnnihilation() override;
 53 
 54   virtual void ProcessDescription(std::ostream&) const override;
 55   virtual void DumpInfo() const override { ProcessDescription(G4cout); };
 56 
 57   virtual G4double GetMeanFreePath(const G4Track& track,
 58                                    G4double previousStepSize,
 59                                    G4ForceCondition* condition) override;
 60 
 61   virtual G4double PostStepGetPhysicalInteractionLength(
 62     const G4Track& track, G4double previousStepSize,
 63     G4ForceCondition* condition) override;
 64 
 65   virtual void BuildPhysicsTable(const G4ParticleDefinition&) override;
 66 
 67   G4PolarizedAnnihilation& operator=(const G4PolarizedAnnihilation& right) =
 68     delete;
 69   G4PolarizedAnnihilation(const G4PolarizedAnnihilation&) = delete;
 70 
 71  private:
 72   void CleanTables();
 73 
 74   void BuildAsymmetryTables(const G4ParticleDefinition& part);
 75 
 76   G4double ComputeAsymmetry(G4double energy, const G4MaterialCutsCouple* couple,
 77                             const G4ParticleDefinition& particle, G4double cut,
 78                             G4double& tasm);
 79 
 80   G4double ComputeSaturationFactor(const G4Track& aTrack);
 81 
 82   G4PolarizedAnnihilationModel* fEmModel;
 83 
 84   // table for cross section asymmetry
 85   G4PhysicsTable* fAsymmetryTable;
 86   // table for transverse cross section asymmetry
 87   G4PhysicsTable* fTransverseAsymmetryTable;
 88 };
 89 
 90 #endif
 91