Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/electromagnetic/lowenergy/include/G4PhotoElectricAngularGeneratorPolarized.hh

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 26 //
 27 // -------------------------------------------------------------------
 28 //
 29 // GEANT4 Class file
 30 //
 31 //
 32 // File name:  G4PhotoElectricAngularGeneratorPolarized
 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 
 41 // -------------------------------------------------------------------
 42 //
 43 
 44 #ifndef G4PhotoElectricAngularGeneratorPolarized_h
 45 #define G4PhotoElectricAngularGeneratorPolarized_h 1
 46 
 47 #include "G4VEmAngularDistribution.hh"
 48 #include "G4ios.hh"
 49 #include "globals.hh"
 50 #include "G4RotationMatrix.hh"
 51 
 52 class G4PhotoElectricAngularGeneratorPolarized : public G4VEmAngularDistribution
 53 {
 54 public:
 55   explicit G4PhotoElectricAngularGeneratorPolarized();
 56   ~G4PhotoElectricAngularGeneratorPolarized();
 57 
 58   G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
 59          G4double eKinEnergy,
 60          G4int shellId,
 61          const G4Material* mat = nullptr) override;
 62 
 63   void PrintGeneratorInformation() const override;
 64 
 65   // hide assignment operator 
 66   G4PhotoElectricAngularGeneratorPolarized & operator=(const  G4PhotoElectricAngularGeneratorPolarized &right) = delete;
 67   G4PhotoElectricAngularGeneratorPolarized(const  G4PhotoElectricAngularGeneratorPolarized&) = delete;
 68 
 69 protected:
 70   G4ThreeVector PerpendicularVector(const G4ThreeVector& a) const;
 71 
 72 private:
 73   void PhotoElectronGetMajorantSurfaceAandCParameters(G4int shellId, 
 74                   G4double beta, 
 75                   G4double *majorantSurfaceParameterA, 
 76                   G4double *majorantSurfaceParameterC) const;
 77   void PhotoElectronGeneratePhiAndTheta(G4int shellId, 
 78           G4double beta, 
 79           G4double aBeta, 
 80           G4double cBeta, 
 81           G4double *pphi, 
 82           G4double *ptheta) const;
 83   G4ThreeVector PhotoElectronComputeFinalDirection(const G4RotationMatrix& rotation, 
 84                G4double theta, 
 85                G4double phi) const;
 86   G4RotationMatrix PhotoElectronRotationMatrix(const G4ThreeVector& direction, 
 87                  const G4ThreeVector& polarization);
 88 
 89   G4double CrossSectionMajorantFunction(G4double theta, G4double cBeta) const;
 90   G4double DSigmaKshellGavrila1959(G4double beta, G4double theta, G4double phi) const;
 91   G4double DSigmaL1shellGavrila(G4double beta, G4double theta, G4double phi) const;
 92 
 93   G4double betaArray[3];
 94   G4double aMajorantSurfaceParameterTable[980][2];
 95   G4double cMajorantSurfaceParameterTable[980][2];
 96 };
 97 
 98 #endif
 99 
100