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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 // Author: D.H. Wright 28 // Date: 1 May 2012 29 // 30 // Description: model for electron and positron interaction with nuclei 31 // using the equivalent photon spectrum. A real gamma is 32 // produced from the virtual photon spectrum and is then 33 // interacted hadronically by the Bertini cascade at low 34 // energies. At high energies the gamma is converted to a 35 // pi0 and interacted with the FTFP model. 36 37 #ifndef G4ElectroVDNuclearModel_h 38 #define G4ElectroVDNuclearModel_h 1 39 40 #include "G4HadronicInteraction.hh" 41 42 class G4CascadeInterface; 43 class G4TheoFSGenerator; 44 class G4LundStringFragmentation; 45 class G4ExcitedStringDecay; 46 class G4ElectroNuclearCrossSection; 47 class G4VCrossSectionDataSet; 48 49 class G4ElectroVDNuclearModel : public G4HadronicInteraction 50 { 51 public: 52 53 G4ElectroVDNuclearModel(); 54 ~G4ElectroVDNuclearModel(); 55 56 G4HadFinalState* ApplyYourself(const G4HadProjectile& aTrack, 57 G4Nucleus& aTargetNucleus); 58 59 virtual void ModelDescription(std::ostream& outFile) const; 60 61 private: 62 63 G4DynamicParticle* CalculateEMVertex(const G4HadProjectile& aTrack, 64 G4Nucleus& aTargetNucleus); 65 66 void CalculateHadronicVertex(G4DynamicParticle* incident, 67 G4Nucleus& target); 68 69 G4double leptonKE; 70 G4double photonEnergy; 71 G4double photonQ2; 72 73 G4ElectroNuclearCrossSection* electroXS; 74 G4VCrossSectionDataSet* gammaXS; 75 76 G4TheoFSGenerator* ftfp; 77 G4LundStringFragmentation* theFragmentation; 78 G4ExcitedStringDecay* theStringDecay; 79 G4CascadeInterface* bert; 80 81 G4int secID; // Creator model ID for the secondaries created by this model 82 }; 83 84 #endif 85