| 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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