include/Geant4/G4PhotoElectricAngularGeneratorPolarized.hh

0001 //
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0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class file
0030 //
0031 //
0032 // File name:  G4PhotoElectricAngularGeneratorPolarized
0033 //
0034 // Author:        A.C. Farinha, L. Peralta, P. Rodrigues and A. Trindade
0035 //
0036 // Creation date: 10 January 2006
0037 //
0038 // Class Description:
0039 //
0040
0041 // -------------------------------------------------------------------
0042 //
0043
0044 #ifndef G4PhotoElectricAngularGeneratorPolarized_h
0045 #define G4PhotoElectricAngularGeneratorPolarized_h 1
0046
0047 #include "G4VEmAngularDistribution.hh"
0048 #include "G4ios.hh"
0049 #include "globals.hh"
0050 #include "G4RotationMatrix.hh"
0051
0052 class G4PhotoElectricAngularGeneratorPolarized : public G4VEmAngularDistribution
0053 {
0054 public:
0055   explicit G4PhotoElectricAngularGeneratorPolarized();
0056   ~G4PhotoElectricAngularGeneratorPolarized();
0057
0058   G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
0059                  G4double eKinEnergy,
0060                  G4int shellId,
0061                  const G4Material* mat = nullptr) override;
0062
0063   void PrintGeneratorInformation() const override;
0064
0065   // hide assignment operator
0066   G4PhotoElectricAngularGeneratorPolarized & operator=(const  G4PhotoElectricAngularGeneratorPolarized &right) = delete;
0067   G4PhotoElectricAngularGeneratorPolarized(const  G4PhotoElectricAngularGeneratorPolarized&) = delete;
0068
0069 protected:
0070   G4ThreeVector PerpendicularVector(const G4ThreeVector& a) const;
0071
0072 private:
0073   void PhotoElectronGetMajorantSurfaceAandCParameters(G4int shellId,
0074                               G4double beta,
0075                               G4double *majorantSurfaceParameterA,
0076                               G4double *majorantSurfaceParameterC) const;
0077   void PhotoElectronGeneratePhiAndTheta(G4int shellId,
0078                     G4double beta,
0079                     G4double aBeta,
0080                     G4double cBeta,
0081                     G4double *pphi,
0082                     G4double *ptheta) const;
0083   G4ThreeVector PhotoElectronComputeFinalDirection(const G4RotationMatrix& rotation,
0084                            G4double theta,
0085                            G4double phi) const;
0086   G4RotationMatrix PhotoElectronRotationMatrix(const G4ThreeVector& direction,
0087                            const G4ThreeVector& polarization);
0088
0089   G4double CrossSectionMajorantFunction(G4double theta, G4double cBeta) const;
0090   G4double DSigmaKshellGavrila1959(G4double beta, G4double theta, G4double phi) const;
0091   G4double DSigmaL1shellGavrila(G4double beta, G4double theta, G4double phi) const;
0092
0093   G4double betaArray[3];
0094   G4double aMajorantSurfaceParameterTable[980][2];
0095   G4double cMajorantSurfaceParameterTable[980][2];
0096 };
0097
0098 #endif
0099