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 #ifndef G4XAnnihilationChannel_h 00029 #define G4XAnnihilationChannel_h 00030 00031 #include "globals.hh" 00032 #include "G4VCrossSectionSource.hh" 00033 #include "G4CrossSectionVector.hh" 00034 #include "G4Clebsch.hh" 00035 #include "G4ResonanceNames.hh" 00036 00037 #include <map> 00038 00039 class G4ParticleDefinition; 00040 class G4PhysicsVector; 00041 class G4KineticTrack; 00042 class G4ResonanceWidth; 00043 class G4ResonancePartialWidth; 00044 class G4PartialWidthTable; 00045 00046 class G4XAnnihilationChannel : public G4VCrossSectionSource 00047 { 00048 public: 00049 00050 G4XAnnihilationChannel(); 00051 00052 G4XAnnihilationChannel(const G4ParticleDefinition* resDefinition, 00053 const G4ResonanceWidth& resWidths, 00054 const G4ResonancePartialWidth& resPartWidths, 00055 const G4String& partWidthLabel); 00056 00057 virtual ~G4XAnnihilationChannel(); 00058 00059 G4bool operator==(const G4XAnnihilationChannel &right) const; 00060 G4bool operator!=(const G4XAnnihilationChannel &right) const; 00061 00062 virtual G4double CrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const; 00063 00064 virtual const G4CrossSectionVector* GetComponents() const { return 0; } 00065 00066 virtual G4bool IsValid(G4double e) const; 00067 00068 virtual G4String Name() const; 00069 00070 00071 protected: 00072 00073 private: 00074 00075 G4XAnnihilationChannel(const G4XAnnihilationChannel &right); 00076 const G4XAnnihilationChannel& operator=(const G4XAnnihilationChannel &right); 00077 00078 G4double Branch(const G4KineticTrack& trk1, 00079 const G4KineticTrack& trk2) const; 00080 00081 G4double VariableWidth(const G4KineticTrack& trk1, 00082 const G4KineticTrack& trk2) const; 00083 00084 G4double VariablePartialWidth(const G4KineticTrack& trk1, 00085 const G4KineticTrack& trk2) const; 00086 00087 G4double NormalizedClebsch(const G4KineticTrack& trk1, 00088 const G4KineticTrack& trk2) const; 00089 00090 G4double lowLimit; 00091 G4double highLimit; 00092 00093 G4Clebsch clebsch; 00094 G4ResonanceNames theNames; 00095 00096 // Owned pointers 00097 G4PhysicsVector* widthTable; 00098 G4PhysicsVector* partWidthTable; 00099 00100 // Unowned pointer 00101 const G4ParticleDefinition* resonance; 00102 }; 00103 00104 #endif 00105 00106 00107 00108 00109 00110 00111 00112 00113 00114 00115 00116 00117 00118 00119 00120 00121 00122