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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
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7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 //
>> 27 //
>> 28 //
26 // ------------------------------------------- 29 // ----------------------------------------------------------------------
27 // GEANT 4 class implementation file 30 // GEANT 4 class implementation file
28 // 31 //
29 // History: first implementation, based o 32 // History: first implementation, based on object model of
30 // 4th April 1996, G.Cosmo 33 // 4th April 1996, G.Cosmo
31 // ******************************************* 34 // **********************************************************************
32 // New impelemenataion as an utility class M 35 // New impelemenataion as an utility class M.Asai, 26 July 2004
33 // ------------------------------------------- 36 // ----------------------------------------------------------------------
34 37
35 #include "G4Positron.hh" 38 #include "G4Positron.hh"
36 <<
37 #include "G4ParticleTable.hh" <<
38 #include "G4PhysicalConstants.hh" 39 #include "G4PhysicalConstants.hh"
39 #include "G4String.hh" <<
40 #include "G4SystemOfUnits.hh" 40 #include "G4SystemOfUnits.hh"
41 #include "G4Types.hh" << 41 #include "G4ParticleTable.hh"
42 << 42
43 G4Positron* G4Positron::theInstance = nullptr; << 43 // ######################################################################
>> 44 // ### POSITRON ###
>> 45 // ######################################################################
>> 46 G4Positron* G4Positron::theInstance = 0;
44 47
45 G4Positron* G4Positron::Definition() 48 G4Positron* G4Positron::Definition()
46 { 49 {
47 if (theInstance != nullptr) return theInstan << 50 if (theInstance !=0) return theInstance;
48 const G4String name = "e+"; 51 const G4String name = "e+";
49 // search in particle table] 52 // search in particle table]
50 G4ParticleTable* pTable = G4ParticleTable::G 53 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
51 G4ParticleDefinition* anInstance = pTable->F 54 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
52 if (anInstance == nullptr) { << 55 if (anInstance ==0)
53 // create particle << 56 {
54 // << 57 // create particle
55 // Arguments for constructor are as fol << 58 //
56 // name mass << 59 // Arguments for constructor are as follows
57 // 2*spin parity C- << 60 // name mass width charge
58 // 2*Isospin 2*Isospin3 << 61 // 2*spin parity C-conjugation
59 // type lepton number ba << 62 // 2*Isospin 2*Isospin3 G-parity
60 // stable lifetime << 63 // type lepton number baryon number PDG encoding
61 // shortlived subType << 64 // stable lifetime decay table
62 // use constants in CLHEP << 65 // shortlived subType anti_encoding
63 // static const double electron_mass_c2 = << 66 // use constants in CLHEP
>> 67 // static const double electron_mass_c2 = 0.51099906 * MeV;
64 68
65 // clang-format off <<
66 anInstance = new G4ParticleDefinition( 69 anInstance = new G4ParticleDefinition(
67 name, electron_mass_c2, 70 name, electron_mass_c2, 0.0*MeV, +1.*eplus,
68 1, 0, 0, 71 1, 0, 0,
69 0, 0, 0, 72 0, 0, 0,
70 "lepton", -1, 73 "lepton", -1, 0, -11,
71 true, -1.0, nullptr, << 74 true, -1.0, NULL,
72 false, "e" 75 false, "e"
73 ); 76 );
74 // clang-format on << 77
75 <<
76 // Bohr Magnetron 78 // Bohr Magnetron
77 G4double muB = 0.5 * eplus * hbar_Planck / << 79 G4double muB = 0.5*eplus*hbar_Planck/(electron_mass_c2/c_squared) ;
>> 80
>> 81 anInstance->SetPDGMagneticMoment( muB * 1.00115965218076 );
78 82
79 anInstance->SetPDGMagneticMoment(muB * 1.0 <<
80 } 83 }
81 theInstance = static_cast<G4Positron*>(anIns 84 theInstance = static_cast<G4Positron*>(anInstance);
82 return theInstance; 85 return theInstance;
83 } 86 }
84 87
85 G4Positron* G4Positron::PositronDefinition() << 88 G4Positron* G4Positron::PositronDefinition()
86 { 89 {
87 return Definition(); 90 return Definition();
88 } 91 }
89 92
90 G4Positron* G4Positron::Positron() << 93 G4Positron* G4Positron::Positron()
91 { 94 {
92 return Definition(); 95 return Definition();
93 } 96 }
>> 97
>> 98
94 99