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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // 27 // ------------------------------------------------------------------- 28 // 29 // 21.03.17 V. Grichine based on G4hBremsstrahlungModel 30 // 31 // Class Description: 32 // 33 // Implementation of energy loss for LDMPhoton emission by hadrons 34 // 35 // 36 // 37 38 #ifndef G4LDMBremModel_h 39 #define G4LDMBremModel_h 1 40 41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 42 43 #include "G4MuBremsstrahlungModel.hh" 44 45 class G4ParticleDefinition; 46 47 class G4LDMBremModel : public G4MuBremsstrahlungModel 48 { 49 public: 50 explicit G4LDMBremModel(const G4ParticleDefinition* p = nullptr, 51 const G4String& nam = "ldmBrem"); 52 53 virtual ~G4LDMBremModel(); 54 55 inline void SetEpsilon(G4double e) { fEpsilon = e; }; 56 inline G4double GetEpsilon() { return fEpsilon; }; 57 58 protected: 59 virtual G4double ComputeDEDXPerVolume(const G4Material*, const G4ParticleDefinition*, 60 G4double kineticEnergy, G4double cutEnergy) override; 61 62 virtual G4double ComputeDMicroscopicCrossSection(G4double tkin, G4double Z, 63 G4double gammaEnergy) override; 64 65 virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*, G4double kineticEnergy, 66 G4double Z, G4double A, G4double cutEnergy, 67 G4double maxEnergy) override; 68 69 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*, const G4MaterialCutsCouple*, 70 const G4DynamicParticle*, G4double tmin, 71 G4double maxEnergy) override; 72 73 private: 74 // hide assignment operator 75 G4LDMBremModel& operator=(const G4LDMBremModel& right) = delete; 76 G4LDMBremModel(const G4LDMBremModel&) = delete; 77 78 const G4ParticleDefinition* theLDMPhoton; 79 80 G4double fEpsilon; // correction for fine_structure_const 81 G4double fLDMPhotonMass; 82 }; 83 84 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 85 86 #endif 87