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1 //
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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 // Created Hisaya Kurashige, 11 Aug. 2011
33 // **********************************************************************
34 //
35
36 #include "G4AntiSigmabZero.hh"
37
38 #include "G4DecayTable.hh"
39 #include "G4ParticleTable.hh"
40 #include "G4PhaseSpaceDecayChannel.hh"
41 #include "G4String.hh"
42 #include "G4SystemOfUnits.hh"
43 #include "G4Types.hh"
44 #include "G4VDecayChannel.hh"
45
46 G4AntiSigmabZero* G4AntiSigmabZero::theInstance = nullptr;
47
48 G4AntiSigmabZero* G4AntiSigmabZero::Definition()
49 {
50 if (theInstance != nullptr) return theInstance;
51 const G4String name = "anti_sigma_b0";
52 // search in particle table]
53 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
54 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
55 if (theInstance == nullptr) {
56 // create particle
57 //
58 // Arguments for constructor are as follows
59 // name mass width charge
60 // 2*spin parity C-conjugation
61 // 2*Isospin 2*Isospin3 G-parity
62 // type lepton number baryon number PDG encoding
63 // stable lifetime decay table
64 // shortlived subType anti_encoding
65
66 // clang-format off
67 anInstance = new G4ParticleDefinition(
68 name, 5.8078*GeV, 5.0*MeV, 0,
69 1, +1, 0,
70 2, 0, 0,
71 "baryon", 0, -1, -5212,
72 false, 0.0*ns, nullptr,
73 false, "sigma_b");
74 // clang-format on
75
76 // create Decay Table
77 auto table = new G4DecayTable();
78
79 // create decay channels
80 auto mode = new G4VDecayChannel*[1];
81 // anti_sigma_b0 -> lambda_b + pi0
82 mode[0] = new G4PhaseSpaceDecayChannel("anti_sigma_b0", 1.000, 2, "anti_lambda_b", "pi0");
83
84 for (G4int index = 0; index < 1; index++)
85 table->Insert(mode[index]);
86 delete[] mode;
87
88 anInstance->SetDecayTable(table);
89 }
90 theInstance = static_cast<G4AntiSigmabZero*>(anInstance);
91 return theInstance;
92 }
93
94 G4AntiSigmabZero* G4AntiSigmabZero::AntiSigmabZeroDefinition()
95 {
96 return Definition();
97 }
98
99 G4AntiSigmabZero* G4AntiSigmabZero::AntiSigmabZero()
100 {
101 return Definition();
102 }
103