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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: G4SigmaZeroField.hh 33 // 34 // Author: Alessandro Brunengo (Alessandro.Brunengo@ge.infn.it) 35 // 36 // Creation date: 5 June 2000 37 // ------------------------------------------------------------------- 38 39 #ifndef G4SigmaZeroField_h 40 #define G4SigmaZeroField_h 1 41 42 #include <CLHEP/Units/SystemOfUnits.h> 43 44 #include "G4VNuclearField.hh" 45 46 class G4SigmaZeroField: public G4VNuclearField 47 { 48 public: 49 G4SigmaZeroField(G4V3DNucleus * nucleus, G4double coeff = 0.36*CLHEP::fermi); 50 virtual ~G4SigmaZeroField(); 51 52 private: 53 G4SigmaZeroField(const G4SigmaZeroField &right); 54 const G4SigmaZeroField & operator=(const G4SigmaZeroField & right); 55 G4bool operator==(const G4SigmaZeroField & right) const; 56 G4bool operator!=(const G4SigmaZeroField & right) const; 57 58 public: 59 virtual G4double GetField(const G4ThreeVector & aPosition); 60 virtual G4double GetBarrier(); 61 virtual G4double GetCoeff() { return theCoeff; } 62 63 private: 64 G4double theCoeff; 65 }; 66 67 #endif 68 69 70 71