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25 //
26 // ----------------------------------------------------------------------
27 // GEANT 4 class implementation file
28 //
29 // - Created Hisaya Kurashige, 16 June 1997
30 // - Updated mass, width, and
31 // lifetime following PDG 2023 Shogo Okada, 5 November 2023
32 // **********************************************************************
33 //
34
35 #include "G4BsMesonZero.hh"
36
37 #include "G4ParticleTable.hh"
38 #include "G4String.hh"
39 #include "G4SystemOfUnits.hh"
40
41 G4BsMesonZero* G4BsMesonZero::theInstance = nullptr;
42
43 G4BsMesonZero* G4BsMesonZero::Definition()
44 {
45 if (theInstance != nullptr) return theInstance;
46 const G4String name = "Bs0";
47 // search in particle table]
48 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
49 G4ParticleDefinition* anInstance = 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
61 // clang-format off
62 anInstance = new G4ParticleDefinition(
63 name, 5.36692*GeV, 4.327e-10*MeV, 0.,
64 0, -1, 0,
65 0, 0, 0,
66 "meson", 0, 0, 531,
67 false, 1.521e-3*ns, nullptr,
68 false, "Bs");
69 // clang-format on
70 }
71 theInstance = static_cast<G4BsMesonZero*>(anInstance);
72 return theInstance;
73 }
74
75 G4BsMesonZero* G4BsMesonZero::BsMesonZeroDefinition()
76 {
77 return Definition();
78 }
79
80 G4BsMesonZero* G4BsMesonZero::BsMesonZero()
81 {
82 return Definition();
83 }
84