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Geant4/examples/advanced/eRosita/physics/include/G4RDPhotoElectricAngularGeneratorPolarized.hh

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 26 //
 27 // -------------------------------------------------------------------
 28 //
 29 // GEANT4 Class file
 30 //
 31 //
 32 // File name:  G4RDPhotoElectricAngularGeneratorPolarized
 33 //
 34 // Author:        A.C. Farinha, L. Peralta, P. Rodrigues and A. Trindade
 35 // 
 36 // Creation date: 10 January 2006
 37 //
 38 // Class Description: 
 39 //
 40 // Abstract class for PhotoElectricsstrahlung Angular Generator462 Generation
 41 // Further documentation available from http://www.ge.infn.it/geant4/lowE
 42 
 43 // -------------------------------------------------------------------
 44 //
 45 
 46 #ifndef G4RDPhotoElectricAngularGeneratorPolarized_h
 47 #define G4RDPhotoElectricAngularGeneratorPolarized_h 1
 48 
 49 #include "G4RDVPhotoElectricAngularDistribution.hh"
 50 #include "G4ios.hh"
 51 #include "globals.hh"
 52 #include "G4RotationMatrix.hh"
 53 
 54 class G4RDPhotoElectricAngularGeneratorPolarized : public G4RDVPhotoElectricAngularDistribution
 55 {
 56 
 57 public:
 58 
 59   G4RDPhotoElectricAngularGeneratorPolarized(const G4String& name);
 60 
 61   ~G4RDPhotoElectricAngularGeneratorPolarized();
 62 
 63   G4ThreeVector GetPhotoElectronDirection(const G4ThreeVector& direction, 
 64             const G4double kineticEnergy, 
 65             const G4ThreeVector& polarization, 
 66             const G4int shellId) const;
 67 
 68   void PrintGeneratorInformation() const;
 69 
 70 protected:
 71   G4ThreeVector SetPerpendicularVector(const G4ThreeVector& a) const;
 72 
 73 private:
 74 
 75   // hide assignment operator 
 76   G4RDPhotoElectricAngularGeneratorPolarized & operator=(const  G4RDPhotoElectricAngularGeneratorPolarized &right);
 77   G4RDPhotoElectricAngularGeneratorPolarized(const  G4RDPhotoElectricAngularGeneratorPolarized&);
 78 
 79   void PhotoElectronGetMajorantSurfaceAandCParameters(const G4int shellLevel, 
 80                   const G4double beta, 
 81                   G4double *majorantSurfaceParameterA, 
 82                   G4double *majorantSurfaceParameterC) const;
 83 
 84   void PhotoElectronGeneratePhiAndTheta(const G4int shellLevel, 
 85           const G4double beta, 
 86           const G4double aBeta, 
 87           const G4double cBeta, 
 88           G4double *pphi, 
 89           G4double *ptheta) const;
 90 
 91   G4ThreeVector PhotoElectronComputeFinalDirection(const G4RotationMatrix& rotation, 
 92                const G4double theta, 
 93                const G4double phi) const;
 94 
 95   G4RotationMatrix PhotoElectronRotationMatrix(const G4ThreeVector& direction, 
 96                  const G4ThreeVector& polarization) const;
 97 
 98   G4double GetMax(const G4double arg1, const G4double arg2) const;
 99 
100   G4double CrossSectionMajorantFunction(const G4double theta, const G4double cBeta) const;
101   G4double DSigmaKshellGavrila1959(const G4double beta, const G4double theta, const G4double phi) const;
102   G4double DSigmaL1shellGavrila(const G4double beta, const G4double theta, const G4double phi) const;
103 
104   G4double betaArray[3];
105   G4double aMajorantSurfaceParameterTable[980][2], cMajorantSurfaceParameterTable[980][2];
106 };
107 
108 #endif
109 
110