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1 //
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18 // * This code implementation is the result of the scientific and *
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24 // ********************************************************************
25 //
26 // ----------------------------------------------------------------------
27 // GEANT 4 class implementation file
28 //
29 // History: first implementation, based on object model of
30 // 4th April 1996, G.Cosmo
31 // **********************************************************************
32 // New impelemenataion as an utility class M.Asai, 26 July 2004
33 // ----------------------------------------------------------------------
34
35 #include "G4AntiAlpha.hh"
36
37 #include "G4ParticleTable.hh"
38 #include "G4String.hh"
39 #include "G4SystemOfUnits.hh"
40
41 G4AntiAlpha* G4AntiAlpha::theInstance = nullptr;
42
43 G4AntiAlpha* G4AntiAlpha::Definition()
44 {
45 if (theInstance != nullptr) return theInstance;
46 const G4String name = "anti_alpha";
47 // search in particle table]
48 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
49 auto anInstance = static_cast<G4Ions*>(pTable->FindParticle(name));
50 if (anInstance == nullptr) {
51 // create particle
52 //
53 // Arguments for constructor are as follows
54 // name mass width charge
55 // 2*spin parity C-conjugation
56 // 2*Isospin 2*Isospin3 G-parity
57 // type lepton number baryon number PDG encoding
58 // stable lifetime decay table
59 // shortlived subType anti_encoding
60 // excitation
61
62 // clang-format off
63 anInstance = new G4Ions(
64 name, 3.727379*GeV, 0.0*MeV, -2.0*eplus,
65 0, +1, 0,
66 0, 0, 0,
67 "anti_nucleus", 0, -4, -1000020040,
68 true, -1.0, nullptr,
69 false, "static", 1000020040,
70 0.0, 0
71 );
72 // clang-format on
73 }
74
75 theInstance = static_cast<G4AntiAlpha*>(anInstance);
76 return theInstance;
77 }
78
79 G4AntiAlpha* G4AntiAlpha::AntiAlphaDefinition()
80 {
81 return Definition();
82 }
83
84 G4AntiAlpha* G4AntiAlpha::AntiAlpha()
85 {
86 return Definition();
87 }
88