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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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11 | // * Neither the authors of this software system, nor their employing * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // ------------------------------------------------------------------- |
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28 | // |
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29 | // GEANT4 Class file |
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30 | // |
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31 | // |
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32 | // File name: G4PhotoElectricAngularGeneratorPolarized |
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33 | // |
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34 | // Author: A.C. Farinha, L. Peralta, P. Rodrigues and A. Trindade |
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35 | // |
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36 | // Creation date: 10 January 2006 |
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37 | // |
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38 | // Class Description: |
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39 | // |
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40 | // Abstract class for PhotoElectricsstrahlung Angular Generator462 Generation |
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41 | // Further documentation available from http://www.ge.infn.it/geant4/lowE |
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42 | |
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43 | // ------------------------------------------------------------------- |
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44 | // |
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45 | |
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46 | #ifndef G4PhotoElectricAngularGeneratorPolarized_h |
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47 | #define G4PhotoElectricAngularGeneratorPolarized_h 1 |
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48 | |
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49 | #include "G4VPhotoElectricAngularDistribution.hh" |
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50 | #include "G4ios.hh" |
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51 | #include "globals.hh" |
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52 | #include "G4RotationMatrix.hh" |
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53 | |
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54 | class G4PhotoElectricAngularGeneratorPolarized : public G4VPhotoElectricAngularDistribution |
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55 | { |
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56 | |
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57 | public: |
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58 | |
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59 | G4PhotoElectricAngularGeneratorPolarized(const G4String& name); |
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60 | |
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61 | ~G4PhotoElectricAngularGeneratorPolarized(); |
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62 | |
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63 | G4ThreeVector GetPhotoElectronDirection(const G4ThreeVector& direction, |
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64 | const G4double kineticEnergy, |
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65 | const G4ThreeVector& polarization, |
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66 | const G4int shellId) const; |
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67 | |
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68 | void PrintGeneratorInformation() const; |
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69 | |
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70 | protected: |
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71 | G4ThreeVector SetPerpendicularVector(const G4ThreeVector& a) const; |
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72 | |
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73 | private: |
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74 | |
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75 | // hide assignment operator |
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76 | G4PhotoElectricAngularGeneratorPolarized & operator=(const G4PhotoElectricAngularGeneratorPolarized &right); |
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77 | G4PhotoElectricAngularGeneratorPolarized(const G4PhotoElectricAngularGeneratorPolarized&); |
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78 | |
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79 | void PhotoElectronGetMajorantSurfaceAandCParameters(const G4int shellLevel, |
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80 | const G4double beta, |
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81 | G4double *majorantSurfaceParameterA, |
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82 | G4double *majorantSurfaceParameterC) const; |
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83 | |
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84 | void PhotoElectronGeneratePhiAndTheta(const G4int shellLevel, |
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85 | const G4double beta, |
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86 | const G4double aBeta, |
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87 | const G4double cBeta, |
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88 | G4double *pphi, |
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89 | G4double *ptheta) const; |
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90 | |
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91 | G4ThreeVector PhotoElectronComputeFinalDirection(const G4RotationMatrix& rotation, |
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92 | const G4double theta, |
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93 | const G4double phi) const; |
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94 | |
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95 | G4RotationMatrix PhotoElectronRotationMatrix(const G4ThreeVector& direction, |
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96 | const G4ThreeVector& polarization) const; |
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97 | |
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98 | G4double GetMax(const G4double arg1, const G4double arg2) const; |
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99 | |
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100 | G4double CrossSectionMajorantFunction(const G4double theta, const G4double cBeta) const; |
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101 | G4double DSigmaKshellGavrila1959(const G4double beta, const G4double theta, const G4double phi) const; |
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102 | G4double DSigmaL1shellGavrila(const G4double beta, const G4double theta, const G4double phi) const; |
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103 | |
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104 | G4double betaArray[3]; |
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105 | G4double aMajorantSurfaceParameterTable[980][2], cMajorantSurfaceParameterTable[980][2]; |
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106 | }; |
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107 | |
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108 | #endif |
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109 | |
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