| 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 | // $Id: G4LivermorePolarizedGammaConversionModel.hh,v 1.1 2009/10/30 14:52:05 flongo Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $
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| 28 | //
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| 29 |
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| 30 | #ifndef G4LivermorePolarizedGammaConversionModel_h
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| 31 | #define G4LivermorePolarizedGammaConversionModel_h 1
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| 32 |
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| 33 | #include "G4VEmModel.hh"
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| 34 | #include "G4Electron.hh"
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| 35 | #include "G4Positron.hh"
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| 36 | #include "G4ParticleChangeForGamma.hh"
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| 37 | #include "G4CrossSectionHandler.hh"
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| 38 | #include "G4LogLogInterpolation.hh"
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| 39 | #include "G4CompositeEMDataSet.hh"
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| 40 | #include "G4ProductionCutsTable.hh"
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| 41 | #include "G4ForceCondition.hh"
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| 42 |
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| 43 |
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| 44 | class G4LivermorePolarizedGammaConversionModel : public G4VEmModel
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| 45 | {
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| 46 |
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| 47 | public:
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| 48 |
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| 49 | G4LivermorePolarizedGammaConversionModel(const G4ParticleDefinition* p = 0,
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| 50 | const G4String& nam = "LivermorePolarizedGammaConversion");
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| 51 |
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| 52 | virtual ~G4LivermorePolarizedGammaConversionModel();
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| 53 |
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| 54 | virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
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| 55 |
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| 56 | virtual G4double ComputeCrossSectionPerAtom(
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| 57 | const G4ParticleDefinition*,
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| 58 | G4double kinEnergy,
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| 59 | G4double Z,
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| 60 | G4double A=0,
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| 61 | G4double cut=0,
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| 62 | G4double emax=DBL_MAX);
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| 63 |
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| 64 | virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
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| 65 | const G4MaterialCutsCouple*,
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| 66 | const G4DynamicParticle*,
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| 67 | G4double tmin,
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| 68 | G4double maxEnergy);
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| 69 |
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| 70 | protected:
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| 71 |
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| 72 | G4ParticleChangeForGamma* fParticleChange;
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| 73 |
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| 74 | G4double GetMeanFreePath(const G4Track& aTrack,
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| 75 | G4double previousStepSize,
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| 76 | G4ForceCondition* condition);
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| 77 | private:
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| 78 |
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| 79 | G4double lowEnergyLimit;
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| 80 | G4double highEnergyLimit;
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| 81 | G4bool isInitialised;
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| 82 | G4int verboseLevel;
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| 83 |
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| 84 | G4VEMDataSet* meanFreePathTable;
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| 85 | G4VCrossSectionHandler* crossSectionHandler;
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| 86 |
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| 87 |
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| 88 | // specific methods for polarization
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| 89 |
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| 90 | G4ThreeVector GetRandomPolarization(G4ThreeVector& direction0); // Random Polarization
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| 91 | G4ThreeVector GetPerpendicularPolarization(const G4ThreeVector& direction0, const G4ThreeVector& polarization0) const;
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| 92 | G4ThreeVector SetPerpendicularVector(G4ThreeVector& a); // temporary
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| 93 | void SystemOfRefChange(G4ThreeVector& direction0, G4ThreeVector& direction1,
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| 94 | G4ThreeVector& polarization0);
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| 95 |
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| 96 | // Gamma Conversion methods
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| 97 |
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| 98 |
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| 99 | G4double SetPhi(G4double);
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| 100 | G4double SetPsi(G4double, G4double); //
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| 101 |
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| 102 | G4double ScreenFunction1(G4double screenVariable);
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| 103 | G4double ScreenFunction2(G4double screenVariable);
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| 104 | void SetTheta(G4double*, G4double*, G4double);
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| 105 |
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| 106 | G4double Poli(G4double , G4double, G4double, G4double);
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| 107 | G4double Fln(G4double, G4double, G4double);
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| 108 |
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| 109 | G4double Encu(G4double*, G4double*, G4double);
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| 110 |
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| 111 | G4double Flor(G4double*, G4double);
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| 112 | G4double Glor(G4double*, G4double);
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| 113 |
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| 114 | G4double Fdlor(G4double*, G4double);
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| 115 | G4double Fintlor(G4double*, G4double);
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| 116 | G4double Finvlor(G4double*, G4double,G4double);
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| 117 |
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| 118 | G4double Ftan(G4double*, G4double);
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| 119 |
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| 120 | //G4double Gtan(G4double*, G4double);
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| 121 |
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| 122 | G4double Fdtan(G4double*, G4double);
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| 123 | G4double Finttan(G4double*, G4double);
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| 124 | G4double Finvtan(G4double*, G4double, G4double);
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| 125 |
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| 126 | G4double smallEnergy;
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| 127 | G4double Psi, Phi;
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| 128 |
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| 129 |
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| 130 | G4LivermorePolarizedGammaConversionModel & operator=(const G4LivermorePolarizedGammaConversionModel &right);
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| 131 | G4LivermorePolarizedGammaConversionModel(const G4LivermorePolarizedGammaConversionModel&);
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| 132 |
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| 133 | };
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| 134 |
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| 135 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 136 |
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| 137 | #endif
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