| Geant4 Cross Reference |
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 *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
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 *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // ------------------------------------------- 26 // ----------------------------------------------------------------------
27 // GEANT 4 class implementation file 27 // GEANT 4 class implementation file
28 // 28 //
29 // History: first implementation, based o 29 // History: first implementation, based on object model of
30 // 4th April 1996, G.Cosmo 30 // 4th April 1996, G.Cosmo
31 // ******************************************* 31 // **********************************************************************
32 // New impelemenataion as an utility class M 32 // New impelemenataion as an utility class M.Asai, 26 July 2004
33 // ------------------------------------------- 33 // ----------------------------------------------------------------------
34 34
35 #include "G4MuonMinus.hh" 35 #include "G4MuonMinus.hh"
36 36
37 #include "G4DecayTable.hh" 37 #include "G4DecayTable.hh"
38 #include "G4MuonDecayChannel.hh" 38 #include "G4MuonDecayChannel.hh"
39 #include "G4ParticleTable.hh" 39 #include "G4ParticleTable.hh"
40 #include "G4PhysicalConstants.hh" 40 #include "G4PhysicalConstants.hh"
41 #include "G4String.hh" 41 #include "G4String.hh"
42 #include "G4SystemOfUnits.hh" 42 #include "G4SystemOfUnits.hh"
43 #include "G4Types.hh" 43 #include "G4Types.hh"
44 #include "G4VDecayChannel.hh" 44 #include "G4VDecayChannel.hh"
45 45
46 G4MuonMinus* G4MuonMinus::theInstance = nullpt 46 G4MuonMinus* G4MuonMinus::theInstance = nullptr;
47 47
48 G4MuonMinus* G4MuonMinus::Definition() 48 G4MuonMinus* G4MuonMinus::Definition()
49 { 49 {
50 if (theInstance != nullptr) return theInstan 50 if (theInstance != nullptr) return theInstance;
51 const G4String name = "mu-"; 51 const G4String name = "mu-";
52 // search in particle table] 52 // search in particle table]
53 G4ParticleTable* pTable = G4ParticleTable::G 53 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
54 G4ParticleDefinition* anInstance = pTable->F 54 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
55 if (anInstance == nullptr) { 55 if (anInstance == nullptr) {
56 // create particle 56 // create particle
57 // 57 //
58 // Arguments for constructor are as fol 58 // Arguments for constructor are as follows
59 // name mass 59 // name mass width charge
60 // 2*spin parity C- 60 // 2*spin parity C-conjugation
61 // 2*Isospin 2*Isospin3 61 // 2*Isospin 2*Isospin3 G-parity
62 // type lepton number ba 62 // type lepton number baryon number PDG encoding
63 // stable lifetime 63 // stable lifetime decay table
64 // shortlived subType 64 // shortlived subType anti_encoding
65 65
66 // clang-format off 66 // clang-format off
67 anInstance = new G4ParticleDefinition( 67 anInstance = new G4ParticleDefinition(
68 name, 0.1056583715*GeV, 2.995 68 name, 0.1056583715*GeV, 2.99598e-16*MeV, -1.*eplus,
69 1, 0, 0, 69 1, 0, 0,
70 0, 0, 0, 70 0, 0, 0,
71 "lepton", 1, 71 "lepton", 1, 0, 13,
72 false, 2196.98*ns, nullp 72 false, 2196.98*ns, nullptr,
73 false, "mu" 73 false, "mu"
74 ); 74 );
75 // clang-format on 75 // clang-format on
76 76
77 // Bohr Magnetron 77 // Bohr Magnetron
78 G4double muB = -0.5 * eplus * hbar_Planck 78 G4double muB = -0.5 * eplus * hbar_Planck / (anInstance->GetPDGMass() / c_squared);
79 79
80 anInstance->SetPDGMagneticMoment(muB * 1.0 80 anInstance->SetPDGMagneticMoment(muB * 1.0011659209);
81 81
82 // create Decay Table 82 // create Decay Table
83 auto table = new G4DecayTable(); 83 auto table = new G4DecayTable();
84 84
85 // create a decay channel 85 // create a decay channel
86 G4VDecayChannel* mode = new G4MuonDecayCha 86 G4VDecayChannel* mode = new G4MuonDecayChannel("mu-", 1.00);
87 table->Insert(mode); 87 table->Insert(mode);
88 anInstance->SetDecayTable(table); 88 anInstance->SetDecayTable(table);
89 } 89 }
90 theInstance = static_cast<G4MuonMinus*>(anIn 90 theInstance = static_cast<G4MuonMinus*>(anInstance);
91 return theInstance; 91 return theInstance;
92 } 92 }
93 93
94 G4MuonMinus* G4MuonMinus::MuonMinusDefinition( 94 G4MuonMinus* G4MuonMinus::MuonMinusDefinition()
95 { 95 {
96 return Definition(); 96 return Definition();
97 } 97 }
98 98
99 G4MuonMinus* G4MuonMinus::MuonMinus() 99 G4MuonMinus* G4MuonMinus::MuonMinus()
100 { 100 {
101 return Definition(); 101 return Definition();
102 } 102 }
103 103