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24 // ********************************************************************
25 //
26 // ----------------------------------------------------------------------
27 // GEANT 4 class implementation file
28 //
29 // Created Hisaya Kurashige, 16 June 1997
30 // **********************************************************************
31 // - New impelemenataion as an utility class M.Asai, 26 July 2004
32 // - Updated mass, width, and lifetime
33 // following PDG 2023 S.Okada, 5 November 2023
34 // ----------------------------------------------------------------------
35
36 #include "G4AntiBsMesonZero.hh"
37
38 #include "G4ParticleTable.hh"
39 #include "G4String.hh"
40 #include "G4SystemOfUnits.hh"
41
42 G4AntiBsMesonZero* G4AntiBsMesonZero::theInstance = nullptr;
43
44 G4AntiBsMesonZero* G4AntiBsMesonZero::Definition()
45 {
46 if (theInstance != nullptr) return theInstance;
47 const G4String name = "anti_Bs0";
48 // search in particle table]
49 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
50 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
51 if (anInstance == nullptr) {
52 // create particle
53 //
54 // Arguments for constructor are as follows
55 // name mass width charge
56 // 2*spin parity C-conjugation
57 // 2*Isospin 2*Isospin3 G-parity
58 // type lepton number baryon number PDG encoding
59 // stable lifetime decay table
60 // shortlived subType anti_encoding
61
62 // clang-format off
63 anInstance = new G4ParticleDefinition(
64 name, 5.36692*GeV, 4.327e-10*MeV, 0.,
65 0, -1, 0,
66 0, 0, 0,
67 "meson", 0, 0, -531,
68 false, 1.521e-3*ns, nullptr,
69 false, "Bs");
70 // clang-format on
71 }
72 theInstance = static_cast<G4AntiBsMesonZero*>(anInstance);
73 return theInstance;
74 }
75
76 G4AntiBsMesonZero* G4AntiBsMesonZero::AntiBsMesonZeroDefinition()
77 {
78 return Definition();
79 }
80
81 G4AntiBsMesonZero* G4AntiBsMesonZero::AntiBsMesonZero()
82 {
83 return Definition();
84 }
85