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0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // 21.03.17 V. Grichine based on G4hBremsstrahlungModel
0030 //
0031 // Class Description:
0032 //
0033 // Implementation of energy loss for LDMPhoton emission by hadrons
0034 //
0035 //
0036 //
0037 
0038 #ifndef G4LDMBremModel_h
0039 #define G4LDMBremModel_h 1
0040 
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042 
0043 #include "G4MuBremsstrahlungModel.hh"
0044 
0045 class G4ParticleDefinition;
0046 
0047 class G4LDMBremModel : public G4MuBremsstrahlungModel
0048 {
0049   public:
0050     explicit G4LDMBremModel(const G4ParticleDefinition* p = nullptr,
0051                             const G4String& nam = "ldmBrem");
0052 
0053     virtual ~G4LDMBremModel();
0054 
0055     inline void SetEpsilon(G4double e) { fEpsilon = e; };
0056     inline G4double GetEpsilon() { return fEpsilon; };
0057 
0058   protected:
0059     virtual G4double ComputeDEDXPerVolume(const G4Material*, const G4ParticleDefinition*,
0060                                           G4double kineticEnergy, G4double cutEnergy) override;
0061 
0062     virtual G4double ComputeDMicroscopicCrossSection(G4double tkin, G4double Z,
0063                                                      G4double gammaEnergy) override;
0064 
0065     virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*, G4double kineticEnergy,
0066                                                 G4double Z, G4double A, G4double cutEnergy,
0067                                                 G4double maxEnergy) override;
0068 
0069     virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*, const G4MaterialCutsCouple*,
0070                                    const G4DynamicParticle*, G4double tmin,
0071                                    G4double maxEnergy) override;
0072 
0073   private:
0074     // hide assignment operator
0075     G4LDMBremModel& operator=(const G4LDMBremModel& right) = delete;
0076     G4LDMBremModel(const G4LDMBremModel&) = delete;
0077 
0078     const G4ParticleDefinition* theLDMPhoton;
0079 
0080     G4double fEpsilon;  // correction for fine_structure_const
0081     G4double fLDMPhotonMass;
0082 };
0083 
0084 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0085 
0086 #endif