physics/include/G4RDPhotoElectricAngularGeneratorPolarized.hh

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0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class file
0030 //
0031 //
0032 // File name:  G4RDPhotoElectricAngularGeneratorPolarized
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 // Abstract class for PhotoElectricsstrahlung Angular Generator462 Generation
0041 // Further documentation available from http://www.ge.infn.it/geant4/lowE
0042
0043 // -------------------------------------------------------------------
0044 //
0045
0046 #ifndef G4RDPhotoElectricAngularGeneratorPolarized_h
0047 #define G4RDPhotoElectricAngularGeneratorPolarized_h 1
0048
0049 #include "G4RDVPhotoElectricAngularDistribution.hh"
0050 #include "G4ios.hh"
0051 #include "globals.hh"
0052 #include "G4RotationMatrix.hh"
0053
0054 class G4RDPhotoElectricAngularGeneratorPolarized : public G4RDVPhotoElectricAngularDistribution
0055 {
0056
0057 public:
0058
0059   G4RDPhotoElectricAngularGeneratorPolarized(const G4String& name);
0060
0061   ~G4RDPhotoElectricAngularGeneratorPolarized();
0062
0063   G4ThreeVector GetPhotoElectronDirection(const G4ThreeVector& direction,
0064                       const G4double kineticEnergy,
0065                       const G4ThreeVector& polarization,
0066                       const G4int shellId) const;
0067
0068   void PrintGeneratorInformation() const;
0069
0070 protected:
0071   G4ThreeVector SetPerpendicularVector(const G4ThreeVector& a) const;
0072
0073 private:
0074
0075   // hide assignment operator
0076   G4RDPhotoElectricAngularGeneratorPolarized & operator=(const  G4RDPhotoElectricAngularGeneratorPolarized &right);
0077   G4RDPhotoElectricAngularGeneratorPolarized(const  G4RDPhotoElectricAngularGeneratorPolarized&);
0078
0079   void PhotoElectronGetMajorantSurfaceAandCParameters(const G4int shellLevel,
0080                               const G4double beta,
0081                               G4double *majorantSurfaceParameterA,
0082                               G4double *majorantSurfaceParameterC) const;
0083
0084   void PhotoElectronGeneratePhiAndTheta(const G4int shellLevel,
0085                     const G4double beta,
0086                     const G4double aBeta,
0087                     const G4double cBeta,
0088                     G4double *pphi,
0089                     G4double *ptheta) const;
0090
0091   G4ThreeVector PhotoElectronComputeFinalDirection(const G4RotationMatrix& rotation,
0092                            const G4double theta,
0093                            const G4double phi) const;
0094
0095   G4RotationMatrix PhotoElectronRotationMatrix(const G4ThreeVector& direction,
0096                            const G4ThreeVector& polarization) const;
0097
0098   G4double GetMax(const G4double arg1, const G4double arg2) const;
0099
0100   G4double CrossSectionMajorantFunction(const G4double theta, const G4double cBeta) const;
0101   G4double DSigmaKshellGavrila1959(const G4double beta, const G4double theta, const G4double phi) const;
0102   G4double DSigmaL1shellGavrila(const G4double beta, const G4double theta, const G4double phi) const;
0103
0104   G4double betaArray[3];
0105   G4double aMajorantSurfaceParameterTable[980][2], cMajorantSurfaceParameterTable[980][2];
0106 };
0107
0108 #endif
0109