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 // 00027 // ------------------------------------------------------------------- 00028 // GEANT4 Class file 00029 // 00030 // 00031 // File name: G4CrossSectionPatch 00032 // 00033 // Author: Maria Grazia Pia (MariaGrazia.Pia@genova.infn.it) 00034 // 00035 // Creation date: 15 April 1999 00036 // 00037 // Modifications: 00038 // 00039 // ------------------------------------------------------------------- 00040 00041 #ifndef G4CROSSSECTIONPATCH_HH 00042 #define G4CROSSSECTIONPATCH_HH 00043 00044 #include "globals.hh" 00045 #include "G4CrossSectionVector.hh" 00046 #include "G4VCrossSectionSource.hh" 00047 00048 class G4KineticTrack; 00049 00050 class G4CrossSectionPatch : public G4VCrossSectionSource 00051 { 00052 00053 public: 00054 00055 G4CrossSectionPatch(); 00056 00057 virtual ~G4CrossSectionPatch(); 00058 00059 G4bool operator==(const G4CrossSectionPatch& right) const; 00060 G4bool operator!=(const G4CrossSectionPatch& right) const; 00061 00062 virtual G4double CrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const; 00063 00064 virtual const G4CrossSectionVector* GetComponents() const = 0; 00065 00066 virtual G4bool IsValid(G4double e) const; 00067 00068 00069 protected: 00070 00071 // Transition between two cross section formulae in an energy range 00072 G4double Transition(const G4KineticTrack& trk1, 00073 const G4KineticTrack& trk2, 00074 const G4VCrossSectionSource* comp1, 00075 const G4VCrossSectionSource* comp2) const; 00076 00077 G4double Transition(G4double ecm, 00078 G4double sigma1, G4double sigma2, 00079 G4double e1, G4double e2) const; 00080 00081 private: 00082 00083 G4CrossSectionPatch(const G4CrossSectionPatch& right); 00084 00085 G4CrossSectionPatch& operator=(const G4CrossSectionPatch& right); 00086 }; 00087 00088 #endif