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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 // H.Kurashige 7 Jul 96
32 // **********************************************************************
33 // New impelemenataion as an utility class M.Asai, 26 July 2004
34 // ----------------------------------------------------------------------
35
36 #include "G4AntiKaonZero.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 G4AntiKaonZero* G4AntiKaonZero::theInstance = nullptr;
47
48 G4AntiKaonZero* G4AntiKaonZero::Definition()
49 {
50 if (theInstance != nullptr) return theInstance;
51 const G4String name = "anti_kaon0";
52 // search in particle table]
53 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
54 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
55 if (anInstance == 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, 0.497614*GeV, 0.0*MeV, 0.0,
69 0, -1, 0,
70 1, 1, 0,
71 "meson", 0, 0, -311,
72 false, 0.0, nullptr,
73 false, "kaon");
74 // clang-format on
75
76 // create Decay Table
77 auto table = new G4DecayTable();
78
79 // create decay channels
80 auto mode = new G4VDecayChannel*[2];
81 // kaon0 -> Kaon0L
82 mode[0] = new G4PhaseSpaceDecayChannel("anti_kaon0", 0.500, 1, "kaon0L");
83 // kaon0 -> Kaon0S
84 mode[1] = new G4PhaseSpaceDecayChannel("anti_kaon0", 0.500, 1, "kaon0S");
85
86 for (G4int index = 0; index < 2; index++)
87 table->Insert(mode[index]);
88 delete[] mode;
89
90 anInstance->SetDecayTable(table);
91 }
92 theInstance = static_cast<G4AntiKaonZero*>(anInstance);
93 return theInstance;
94 }
95
96 G4AntiKaonZero* G4AntiKaonZero::AntiKaonZeroDefinition()
97 {
98 return Definition();
99 }
100
101 G4AntiKaonZero* G4AntiKaonZero::AntiKaonZero()
102 {
103 return Definition();
104 }
105