| 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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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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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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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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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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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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