include/Geant4/G4PolarizedIonisation.hh

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0025 //
0026 // -------------------------------------------------------------------
0027 //
0028 // Geant4 Class header file
0029 //
0030 // File name:     G4PolarizedIonisation
0031 //
0032 // Author:        A.Schaelicke on base of Vladimir Ivanchenko code
0033 //
0034 // Class Description:
0035 //   polarized version of G4eIonisation
0036 // ----------------------------------------------------------------------------
0037
0038 #ifndef G4PolarizedIonisation_h
0039 #define G4PolarizedIonisation_h 1
0040
0041 #include "globals.hh"
0042 #include "G4VEnergyLossProcess.hh"
0043
0044 class G4Material;
0045 class G4MaterialCutsCouple;
0046 class G4ParticleDefinition;
0047 class G4PhysicsTable;
0048 class G4VEmFluctuationModel;
0049 class G4PolarizedIonisationModel;
0050 class G4Track;
0051
0052 class G4PolarizedIonisation : public G4VEnergyLossProcess
0053 {
0054  public:
0055   explicit G4PolarizedIonisation(const G4String& name = "pol-eIoni");
0056
0057   virtual ~G4PolarizedIonisation() override;
0058
0059   virtual G4bool IsApplicable(const G4ParticleDefinition& p) override;
0060
0061   virtual void ProcessDescription(std::ostream&) const override;
0062   virtual void DumpInfo() const override { ProcessDescription(G4cout); };
0063
0064   G4PolarizedIonisation& operator=(const G4PolarizedIonisation& right) = delete;
0065   G4PolarizedIonisation(const G4PolarizedIonisation&)                  = delete;
0066
0067  protected:
0068   virtual void InitialiseEnergyLossProcess(
0069     const G4ParticleDefinition*, const G4ParticleDefinition*) override;
0070
0071   virtual G4double MinPrimaryEnergy(const G4ParticleDefinition*,
0072                                     const G4Material*, G4double cut) override;
0073
0074   virtual G4double PostStepGetPhysicalInteractionLength(
0075     const G4Track& track, G4double previousStepSize,
0076     G4ForceCondition* condition) override;
0077
0078   virtual G4double GetMeanFreePath(const G4Track& track,
0079                                    G4double previousStepSize,
0080                                    G4ForceCondition* condition) override;
0081
0082   virtual void BuildPhysicsTable(const G4ParticleDefinition&) override;
0083
0084  private:
0085   void CleanTables();
0086
0087   void BuildAsymmetryTables(const G4ParticleDefinition& part);
0088
0089   G4double ComputeAsymmetry(G4double energy, const G4MaterialCutsCouple* couple,
0090                             const G4ParticleDefinition& particle, G4double cut,
0091                             G4double& tasm);
0092
0093   G4double ComputeSaturationFactor(const G4Track& aTrack);
0094
0095   G4VEmFluctuationModel* fFlucModel;
0096   G4PolarizedIonisationModel* fEmModel;
0097
0098   G4PhysicsTable* fAsymmetryTable;
0099   G4PhysicsTable* fTransverseAsymmetryTable;
0100
0101   G4bool fIsElectron;
0102   G4bool fIsInitialised;
0103 };
0104
0105 #endif