Gabriele Cosmo
112 lines
4.2 KiB
C++
112 lines
4.2 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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// -------------------------------------------------------------------
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//
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// GEANT4 Class header file
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//
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//
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// File name: G4BetheHeitler5DModel
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//
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// Authors:
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// Igor Semeniouk and Denis Bernard,
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// LLR, Ecole polytechnique & CNRS/IN2P3, 91128 Palaiseau, France
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//
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// Modifications:
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// 27-10-17 New class (IgS)
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// 19-01-18 version that calculates the pdf in the same way as in the fortran
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// version (Denis Bernard)
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// 04-06-18 Performance optimization of the final state sampling (M. Novak)
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// 10-04-19 CLHEP for boost and rotation, remove local functions (IgS)
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// 02-09-19 Set base class to be G4PairProductionRelModel that can provide
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// accurate sections now from threshold to very high energies
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// including the LPM effect. (M. Novak)
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// 14-10-19 Muon's pair genaration in SampleSecondaries
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//
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// Class Description:
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//
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// Implementation of gamma conversion to e+e- in the field of a nucleus
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//
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// -------------------------------------------------------------------
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//
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#ifndef G4BetheHeitler5DModel_h
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#define G4BetheHeitler5DModel_h 1
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#include "G4PairProductionRelModel.hh"
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class G4IonTable;
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class G4BetheHeitler5DModel : public G4PairProductionRelModel
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{
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public:
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explicit G4BetheHeitler5DModel(const G4ParticleDefinition* p = nullptr,
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const G4String& nam = "BetheHeitler5D");
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~G4BetheHeitler5DModel() override;
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void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
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void SampleSecondaries(std::vector<G4DynamicParticle*>* fvect,
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const G4MaterialCutsCouple* couple,
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const G4DynamicParticle* aDynamicGamma,
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G4double, G4double) override;
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inline void SetVerbose(G4int val) { fVerbose = val; }
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// Only e+, e+ or mu+, mu- pairs supported
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void SetLeptonPair(const G4ParticleDefinition* p1,
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const G4ParticleDefinition* p2);
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// hide assignment operator
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G4BetheHeitler5DModel& operator=(const G4BetheHeitler5DModel& right) = delete;
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G4BetheHeitler5DModel(const G4BetheHeitler5DModel&) = delete;
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private:
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G4double MaxDiffCrossSection(const G4double* par, G4double eZ,
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G4double e, G4double loge) const;
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inline void SetConversionMode(G4int to) { fConvMode = to; }
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G4IonTable* theIonTable;
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const G4ParticleDefinition* fLepton1;
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const G4ParticleDefinition* fLepton2;
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const G4ParticleDefinition* fTheMuPlus;
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const G4ParticleDefinition* fTheMuMinus;
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G4int fVerbose;
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G4int fConversionType;
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G4int fConvMode;
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G4bool iraw;
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};
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#endif
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