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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 // GEANT 4 class header file 29 // 30 // CERN, Geneva, Switzerland 31 // 32 // File name: G4NeutronField.hh 33 // 34 // Author: Alessandro Brunengo (Alessandro.Brunengo@ge.infn.it) 35 // 36 // Creation date: 5 June 2000 37 // ------------------------------------------------------------------- 38 39 #ifndef G4NeutronField_h 40 #define G4NeutronField_h 1 41 42 #include "G4VNuclearField.hh" 43 #include "G4V3DNucleus.hh" 44 #include "G4FermiMomentum.hh" 45 #include "G4VNuclearDensity.hh" 46 #include <vector> 47 48 class G4NeutronField: public G4VNuclearField 49 { 50 public: 51 G4NeutronField(G4V3DNucleus * nucleus); 52 virtual ~G4NeutronField(); 53 54 private: 55 56 G4NeutronField(const G4NeutronField &right); 57 const G4NeutronField & operator=(const G4NeutronField & right); 58 G4bool operator==(const G4NeutronField & right) const; 59 G4bool operator!=(const G4NeutronField & right) const; 60 61 public: 62 63 virtual G4double GetField(const G4ThreeVector & aPosition); 64 virtual G4double GetBarrier(); 65 66 private: 67 68 G4double GetDensity(const G4ThreeVector & aPosition) 69 { 70 return theDensity->GetDensity(aPosition); 71 } 72 73 G4double GetFermiMomentum(const G4double aDensity) 74 { 75 return theFermi.GetFermiMomentum(aDensity); 76 } 77 78 G4FermiMomentum theFermi; 79 G4int theA; 80 G4int theZ; 81 const G4VNuclearDensity * theDensity; 82 G4double theR; 83 84 std::vector<G4double> theFermiMomBuffer; 85 }; 86 87 #endif 88 89 90