00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // $Id: $ 00027 // 00028 // Author: D.H. Wright 00029 // Date: 1 May 2012 00030 // 00031 // Description: model for electron and positron interaction with nuclei 00032 // using the equivalent photon spectrum. A real gamma is 00033 // produced from the virtual photon spectrum and is then 00034 // interacted hadronically by the Bertini cascade at low 00035 // energies. At high energies the gamma is converted to a 00036 // pi0 and interacted with the FTFP model. 00037 00038 #ifndef G4ElectroVDNuclearModel_h 00039 #define G4ElectroVDNuclearModel_h 1 00040 00041 #include "G4HadronicInteraction.hh" 00042 00043 class G4CascadeInterface; 00044 class G4TheoFSGenerator; 00045 class G4GeneratorPrecompoundInterface; 00046 class G4ExcitationHandler; 00047 class G4PreCompoundModel; 00048 class G4LundStringFragmentation; 00049 class G4ExcitedStringDecay; 00050 class G4FTFModel; 00051 00052 class G4ElectroNuclearCrossSection; 00053 class G4PhotoNuclearCrossSection; 00054 00055 00056 class G4ElectroVDNuclearModel : public G4HadronicInteraction 00057 { 00058 public: 00059 00060 G4ElectroVDNuclearModel(); 00061 ~G4ElectroVDNuclearModel(); 00062 00063 G4HadFinalState* ApplyYourself(const G4HadProjectile& aTrack, 00064 G4Nucleus& aTargetNucleus); 00065 00066 virtual void ModelDescription(std::ostream& outFile) const; 00067 00068 private: 00069 00070 G4DynamicParticle* CalculateEMVertex(const G4HadProjectile& aTrack, 00071 G4Nucleus& aTargetNucleus); 00072 00073 void CalculateHadronicVertex(G4DynamicParticle* incident, 00074 G4Nucleus& target); 00075 00076 G4double leptonKE; 00077 G4double photonEnergy; 00078 G4double photonQ2; 00079 00080 G4ElectroNuclearCrossSection* electroXS; 00081 G4PhotoNuclearCrossSection* gammaXS; 00082 00083 G4TheoFSGenerator* ftfp; 00084 G4GeneratorPrecompoundInterface* precoInterface; 00085 G4ExcitationHandler* theHandler; 00086 G4PreCompoundModel* preEquilib; 00087 G4LundStringFragmentation* theFragmentation; 00088 G4ExcitedStringDecay* theStringDecay; 00089 G4FTFModel* theStringModel; 00090 G4CascadeInterface* bert; 00091 }; 00092 00093 #endif