| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
7 // * conditions of the Geant4 Software License
8 // * LICENSE and available at http://cern.ch/
9 // * include a list of copyright holders.
10 // *
11 // * Neither the authors of this software syst
12 // * institutes,nor the agencies providing fin
13 // * work make any representation or warran
14 // * regarding this software system or assum
15 // * use. Please see the license in the file
16 // * for the full disclaimer and the limitatio
17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
20 // * By using, copying, modifying or distri
21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25 //
26 // Author: 2021 Alberto Ribon
27 //
28 //--------------------------------------------
29
30 #include "G4HyperH4.hh"
31
32 #include "G4DecayTable.hh"
33 #include "G4ParticleTable.hh"
34 #include "G4PhaseSpaceDecayChannel.hh"
35 #include "G4PhysicalConstants.hh"
36 #include "G4String.hh"
37 #include "G4SystemOfUnits.hh"
38 #include "G4Types.hh"
39 #include "G4VDecayChannel.hh"
40
41 G4HyperH4* G4HyperH4::theInstance = nullptr;
42
43 G4HyperH4* G4HyperH4::Definition()
44 {
45 if (theInstance != nullptr) return theInstan
46 const G4String name = "hyperH4";
47 // search in particle table
48 G4ParticleTable* pTable = G4ParticleTable::G
49 auto anInstance = static_cast<G4Ions*>(pTabl
50 if (anInstance == nullptr) {
51 // create particle
52 //
53 // Arguments for constructor are as fol
54 // name
55 // 2*spin
56 // 2*Isospin 2
57 // type lept
58 // stable
59 // shortlived
60 // excitation
61
62 // clang-format off
63 anInstance = new G4Ions( name, 39
64 4,
65 0,
66 "nucleus",
67 false,
68 false, "static",
69 0.0, 0
70 // clang-format on
71
72 // Magnetic Moment
73 G4double mN = eplus * hbar_Planck / 2.0 /
74 anInstance->SetPDGMagneticMoment(2.9789624
75
76 // create Decay Table
77 auto table = new G4DecayTable;
78 // create decay channels
79 /*
80 // The decay "mode[3]" produces the second
81 // anti-particle is not existing in Geant4
82 // being, to keep the symmetry with the de
83 const G4double half_br_lambda_to_p_pim = 0
84 const G4double half_br_lambda_to_n_piz = 0
85 G4VDecayChannel** mode = new G4VDecayChann
86 // lambda -> proton + pi- , with 50% proba
87 mode[0] = new G4PhaseSpaceDecayChannel( "h
88 "triton", "proton", "pi-" );
89 mode[1] = new G4PhaseSpaceDecayChannel( "h
90 "alpha", "pi-" );
91 // lambda -> neutron + pi0 , with 50% prob
92 mode[2] = new G4PhaseSpaceDecayChannel( "h
93 "triton", "neutron", "pi0" );
94 mode[3] = new G4PhaseSpaceDecayChannel( "h
95 "H4", "pi0" );
96 for ( G4int index = 0; index < 4; ++index
97 */
98 // Replacement decay for the time being
99 const G4double half_br_lambda_to_p_pim = 0
100 const G4double br_lambda_to_n_piz = 0.358;
101 auto mode = new G4VDecayChannel*[3];
102 // lambda -> proton + pi- , with 50% proba
103 mode[0] = new G4PhaseSpaceDecayChannel("hy
104 "pr
105 mode[1] = new G4PhaseSpaceDecayChannel("hy
106 // lambda -> neutron + pi0 , with 0% proba
107 mode[2] =
108 new G4PhaseSpaceDecayChannel("hyperH4",
109 for (G4int index = 0; index < 3; ++index)
110 table->Insert(mode[index]);
111 //---
112 delete[] mode;
113 anInstance->SetDecayTable(table);
114 }
115 theInstance = static_cast<G4HyperH4*>(anInst
116 return theInstance;
117 }
118
119 G4HyperH4* G4HyperH4::HyperH4Definition()
120 {
121 return Definition();
122 }
123
124 G4HyperH4* G4HyperH4::HyperH4()
125 {
126 return Definition();
127 }
128