include/Geant4/G4PolarizedComptonModel.hh

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0025 //
0026 // -------------------------------------------------------------------
0027 //
0028 // Geant4 Class header file
0029 //
0030 // File name:     G4PolarizedComptonModel
0031 //
0032 // Author:        Andreas Schaelicke
0033 //
0034 // Class Description:
0035 //   Implementation of polarized gamma Compton scattering on free electron
0036
0037 #ifndef G4PolarizedComptonModel_h
0038 #define G4PolarizedComptonModel_h 1
0039
0040 #include "globals.hh"
0041 #include "G4KleinNishinaCompton.hh"
0042 #include "G4StokesVector.hh"
0043 #include "G4ThreeVector.hh"
0044
0045 class G4DynamicParticle;
0046 class G4MaterialCutsCouple;
0047 class G4ParticleDefinition;
0048 class G4ParticleChangeForGamma;
0049 class G4VPolarizedXS;
0050
0051 class G4PolarizedComptonModel : public G4KleinNishinaCompton
0052 {
0053  public:
0054   explicit G4PolarizedComptonModel(const G4ParticleDefinition* p = nullptr,
0055                                    const G4String& nam = "Polarized-Compton");
0056
0057   virtual ~G4PolarizedComptonModel() override;
0058
0059   virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
0060                                               G4double kinEnergy, G4double Z,
0061                                               G4double A, G4double cut,
0062                                               G4double emax) override;
0063   G4double ComputeAsymmetryPerAtom(G4double gammaEnergy, G4double Z);
0064
0065   virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
0066                                  const G4MaterialCutsCouple*,
0067                                  const G4DynamicParticle*, G4double tmin,
0068                                  G4double maxEnergy) override;
0069
0070   // polarized routines
0071   inline void SetTargetPolarization(const G4ThreeVector& pTarget);
0072   inline void SetBeamPolarization(const G4ThreeVector& pBeam);
0073   inline const G4ThreeVector& GetTargetPolarization() const;
0074   inline const G4ThreeVector& GetBeamPolarization() const;
0075   inline const G4ThreeVector& GetFinalGammaPolarization() const;
0076   inline const G4ThreeVector& GetFinalElectronPolarization() const;
0077
0078   // hide assignment operator
0079   G4PolarizedComptonModel& operator=(const G4PolarizedComptonModel& right) =
0080     delete;
0081   G4PolarizedComptonModel(const G4PolarizedComptonModel&) = delete;
0082
0083  private:
0084   void PrintWarning(const G4DynamicParticle*, G4int, G4double grej,
0085                     G4double onecos, G4double phi, const G4String) const;
0086
0087   static constexpr G4int fLoopLim = 10000;
0088
0089   G4VPolarizedXS* fCrossSectionCalculator;
0090   // incoming
0091   G4StokesVector fBeamPolarization;    // photon
0092   G4StokesVector fTargetPolarization;  // electron
0093   // outgoing
0094   G4StokesVector fFinalGammaPolarization;
0095   G4StokesVector finalElectronPolarization;
0096
0097   G4int fVerboseLevel;
0098 };
0099
0100 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0101
0102 inline void G4PolarizedComptonModel::SetTargetPolarization(
0103   const G4ThreeVector& pTarget)
0104 {
0105   fTargetPolarization = G4StokesVector(pTarget);
0106 }
0107 inline void G4PolarizedComptonModel::SetBeamPolarization(
0108   const G4ThreeVector& pBeam)
0109 {
0110   fBeamPolarization = G4StokesVector(pBeam);
0111 }
0112 inline const G4ThreeVector& G4PolarizedComptonModel::GetTargetPolarization()
0113   const
0114 {
0115   return fTargetPolarization;
0116 }
0117 inline const G4ThreeVector& G4PolarizedComptonModel::GetBeamPolarization() const
0118 {
0119   return fBeamPolarization;
0120 }
0121 inline const G4ThreeVector& G4PolarizedComptonModel::GetFinalGammaPolarization()
0122   const
0123 {
0124   return fFinalGammaPolarization;
0125 }
0126 inline const G4ThreeVector&
0127 G4PolarizedComptonModel::GetFinalElectronPolarization() const
0128 {
0129   return finalElectronPolarization;
0130 }
0131
0132 #endif