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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 "G4KaonMinus.hh"
37
38 #include "G4DecayTable.hh"
39 #include "G4KL3DecayChannel.hh"
40 #include "G4ParticleTable.hh"
41 #include "G4PhaseSpaceDecayChannel.hh"
42 #include "G4String.hh"
43 #include "G4SystemOfUnits.hh"
44 #include "G4Types.hh"
45 #include "G4VDecayChannel.hh"
46
47 G4KaonMinus* G4KaonMinus::theInstance = nullptr;
48
49 G4KaonMinus* G4KaonMinus::Definition()
50 {
51 if (theInstance != nullptr) return theInstance;
52 const G4String name = "kaon-";
53 // search in particle table]
54 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
55 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
56 if (anInstance == nullptr) {
57 // create particle
58 //
59 // Arguments for constructor are as follows
60 // name mass width charge
61 // 2*spin parity C-conjugation
62 // 2*Isospin 2*Isospin3 G-parity
63 // type lepton number baryon number PDG encoding
64 // stable lifetime decay table
65 // shortlived subType anti_encoding
66
67 // clang-format off
68 anInstance = new G4ParticleDefinition(
69 name, 0.493677*GeV, 5.317e-14*MeV, -1.*eplus,
70 0, -1, 0,
71 1, -1, 0,
72 "meson", 0, 0, -321,
73 false, 12.380*ns, nullptr,
74 false, "kaon");
75 // clang-format on
76
77 // create Decay Table
78 auto table = new G4DecayTable();
79
80 // create decay channels
81 auto mode = new G4VDecayChannel*[6];
82 // kaon- -> mu- + anti_nu_mu
83 mode[0] = new G4PhaseSpaceDecayChannel("kaon-", 0.6355, 2, "mu-", "anti_nu_mu");
84 // kaon- -> pi- + pi0
85 mode[1] = new G4PhaseSpaceDecayChannel("kaon-", 0.2066, 2, "pi-", "pi0");
86 // kaon- -> pi- + pi+ + pi-
87 mode[2] = new G4PhaseSpaceDecayChannel("kaon-", 0.0559, 3, "pi-", "pi+", "pi-");
88 // kaon- -> pi- + pi0 + pi0
89 mode[3] = new G4PhaseSpaceDecayChannel("kaon-", 0.01761, 3, "pi-", "pi0", "pi0");
90 // kaon- -> pi0 + e- + anti_nu_e (Ke3)
91 mode[4] = new G4KL3DecayChannel("kaon-", 0.0507, "pi0", "e-", "anti_nu_e");
92 // kaon- -> pi0 + mu- + anti_nu_mu (Kmu3)
93 mode[5] = new G4KL3DecayChannel("kaon-", 0.0335, "pi0", "mu-", "anti_nu_mu");
94
95 for (G4int index = 0; index < 6; index++)
96 table->Insert(mode[index]);
97 delete[] mode;
98
99 anInstance->SetDecayTable(table);
100 }
101 theInstance = static_cast<G4KaonMinus*>(anInstance);
102 return theInstance;
103 }
104
105 G4KaonMinus* G4KaonMinus::KaonMinusDefinition()
106 {
107 return Definition();
108 }
109
110 G4KaonMinus* G4KaonMinus::KaonMinus()
111 {
112 return Definition();
113 }
114