Gabriele Cosmo
126 lines
4.7 KiB
C++
126 lines
4.7 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// Authors: G.Depaola & F.Longo
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//
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#ifndef G4LivermorePolarizedGammaConversionModel_h
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#define G4LivermorePolarizedGammaConversionModel_h 1
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#include "G4VEmModel.hh"
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#include "G4PhysicsFreeVector.hh"
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class G4ParticleChangeForGamma;
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class G4LivermorePolarizedGammaConversionModel : public G4VEmModel
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{
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public:
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explicit G4LivermorePolarizedGammaConversionModel(const G4ParticleDefinition* p = nullptr,
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const G4String& nam = "LivermorePolarizedGammaConversion");
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virtual ~G4LivermorePolarizedGammaConversionModel();
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void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
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void InitialiseLocal(const G4ParticleDefinition*,
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G4VEmModel* masterModel) override;
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void InitialiseForElement(const G4ParticleDefinition*, G4int Z) override;
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G4double ComputeCrossSectionPerAtom(
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const G4ParticleDefinition*,
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G4double kinEnergy,
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G4double Z,
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G4double A=0,
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G4double cut=0,
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G4double emax=DBL_MAX) override;
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void SampleSecondaries(std::vector<G4DynamicParticle*>*,
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double tmin,
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G4double maxEnergy) override;
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G4double MinPrimaryEnergy(const G4Material*,
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const G4ParticleDefinition*,
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G4double) override;
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G4LivermorePolarizedGammaConversionModel & operator=(const G4LivermorePolarizedGammaConversionModel &right) = delete;
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G4LivermorePolarizedGammaConversionModel(const G4LivermorePolarizedGammaConversionModel&) = delete;
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private:
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void ReadData(size_t Z, const char* path = 0);
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G4double ScreenFunction1(G4double screenVariable);
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G4double ScreenFunction2(G4double screenVariable);
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// specific methods for polarization
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G4ThreeVector GetRandomPolarization(G4ThreeVector& direction0); // Random Polarization
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G4ThreeVector GetPerpendicularPolarization(const G4ThreeVector& direction0, const G4ThreeVector& polarization0) const;
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G4ThreeVector SetPerpendicularVector(G4ThreeVector& a); // temporary
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void SystemOfRefChange(G4ThreeVector& direction0, G4ThreeVector& direction1,
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G4ThreeVector& polarization0);
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// Gamma Conversion methods
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G4double SetPhi(G4double);
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G4double SetPsi(G4double, G4double); //
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void SetTheta(G4double*, G4double*, G4double);
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G4double Poli(G4double , G4double, G4double, G4double);
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G4double Fln(G4double, G4double, G4double);
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G4double Encu(G4double*, G4double*, G4double);
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G4double Flor(G4double*, G4double);
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G4double Glor(G4double*, G4double);
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G4double Fdlor(G4double*, G4double);
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G4double Fintlor(G4double*, G4double);
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G4double Finvlor(G4double*, G4double,G4double);
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G4double Ftan(G4double*, G4double);
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G4double Fdtan(G4double*, G4double);
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G4double Finttan(G4double*, G4double);
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G4double Finvtan(G4double*, G4double, G4double);
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G4ParticleChangeForGamma* fParticleChange;
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static const G4int maxZ = 99;
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static G4PhysicsFreeVector* data[100]; // 100 because Z range is 1-99
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G4double lowEnergyLimit;
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G4double smallEnergy;
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G4double Psi, Phi;
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G4int verboseLevel;
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G4bool isInitialised;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#endif
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