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 // $Id$ 00028 // 00029 // 00030 // ------------------------------------------------------------ 00031 // GEANT 4 class header file 00032 // 00033 // History: 00034 // 1st March 2007 creation by L. Desorgher based on a modification of G4Positron 00035 // 06 Nov. 2008 modified for Geant4-09-02 by Hisaya Kurashige 00036 // 00037 //------------------------------------------------------------- 00038 // 00039 00040 #include "G4AdjointPositron.hh" 00041 #include "G4ParticleTable.hh" 00042 #include "G4PhysicalConstants.hh" 00043 #include "G4SystemOfUnits.hh" 00044 00045 // ###################################################################### 00046 // ### ADJOINT ELECTRON ### 00047 // ###################################################################### 00048 G4AdjointPositron* G4AdjointPositron::theInstance = 0; 00049 00050 G4AdjointPositron* G4AdjointPositron::Definition() 00051 { 00052 00053 if (theInstance !=0) return theInstance; 00054 const G4String name = "adj_e+"; 00055 // search in particle table] 00056 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable(); 00057 G4ParticleDefinition* anInstance = pTable->FindParticle(name); 00058 if (anInstance ==0) 00059 { 00060 00061 // create particle 00062 // 00063 // Arguments for constructor are as follows 00064 // name mass width charge 00065 // 2*spin parity C-conjugation 00066 // 2*Isospin 2*Isospin3 G-parity 00067 // type lepton number baryon number PDG encoding 00068 // stable lifetime decay table 00069 // shortlived subType anti_encoding 00070 00071 // use constants in CLHEP 00072 // static const double electron_mass_c2 = 0.51099906 * MeV; 00073 00074 // NOTE : electric charge and magnetic moment is opposite 00075 // compared with real positron, because adjoint particles 00076 // are used to back-trace 00077 anInstance = new G4ParticleDefinition( 00078 name, electron_mass_c2, 0.0*MeV, -1.*eplus, 00079 1, 0, 0, 00080 0, 0, 0, 00081 "adjoint", -1, 0, -10000011, 00082 true, -1.0, NULL, 00083 false, "adj_lepton" 00084 ); 00085 // Bohr Magnetron 00086 G4double muB = -0.5*eplus*hbar_Planck/(electron_mass_c2/c_squared) ; 00087 anInstance->SetPDGMagneticMoment( muB * 2.* 1.0011596521859 ); 00088 00089 } 00090 theInstance = reinterpret_cast<G4AdjointPositron*>(anInstance); 00091 return theInstance; 00092 } 00093 00094 G4AdjointPositron* G4AdjointPositron::AdjointPositronDefinition() 00095 { 00096 return Definition(); 00097 } 00098 00099 G4AdjointPositron* G4AdjointPositron::AdjointPositron() 00100 { 00101 return Definition(); 00102 } 00103 00104