Gabriele Cosmo
106 lines
4.1 KiB
C++
106 lines
4.1 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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Author:
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M. Omer and R. Hajima on 17 October 2016
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contact:
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omer.mohamed@jaea.go.jp and hajima.ryoichi@qst.go.jp
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Publication Information:
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1- M. Omer, R. Hajima, Including Delbrück scattering in Geant4,
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Nucl. Instrum. Methods Phys. Res. Sect. B, vol. 405, 2017, pp. 43-49.,
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https://doi.org/10.1016/j.nimb.2017.05.028
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2- M. Omer, R. Hajima, Geant4 physics process for elastic scattering of gamma-rays,
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JAEA Technical Report 2018-007, 2018.
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https://doi.org/10.11484/jaea-data-code-2018-007
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*/
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// on base of G4LivermoreRayleighModel
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//
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#ifndef G4JAEAElasticScatteringModel_h
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#define G4JAEAElasticScatteringModel_h 1
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#include "G4VEmModel.hh"
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#include "G4ParticleChangeForGamma.hh"
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#include "G4PhysicsFreeVector.hh"
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#include "G4ProductionCutsTable.hh"
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#include "G4DataVector.hh"
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class G4JAEAElasticScatteringModel : public G4VEmModel
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{
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public:
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explicit G4JAEAElasticScatteringModel();
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virtual ~G4JAEAElasticScatteringModel();
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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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void SetLowEnergyThreshold(G4double val){lowEnergyLimit = val;};
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void SetDebugVerbosity(G4int val){verboseLevel = val;};
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G4JAEAElasticScatteringModel & operator=(const G4JAEAElasticScatteringModel &right) = delete;
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G4JAEAElasticScatteringModel(const G4JAEAElasticScatteringModel&) = delete;
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private:
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void ReadData(std::size_t Z, const char* path = 0);
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static const G4int maxZ = 99;
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static G4PhysicsFreeVector* dataCS[maxZ+1];
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static G4DataVector* ES_Data[maxZ+1];
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G4ParticleChangeForGamma* fParticleChange;
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G4double distribution[181];
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G4double pdf[181];
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G4double cdf[181];
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G4double lowEnergyLimit;
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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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