Geant4  9.6.p02
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G4KaonPlus.cc
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25 //
26 //
27 // $Id$
28 //
29 //
30 // ----------------------------------------------------------------------
31 // GEANT 4 class implementation file
32 //
33 // History: first implementation, based on object model of
34 // 4th April 1996, G.Cosmo
35 // H.Kurashige 7 Jul 96
36 // **********************************************************************
37 // New impelemenataion as an utility class M.Asai, 26 July 2004
38 // ----------------------------------------------------------------------
39 
40 #include "G4KaonPlus.hh"
41 #include "G4SystemOfUnits.hh"
42 #include "G4ParticleTable.hh"
43 
45 #include "G4KL3DecayChannel.hh"
46 #include "G4DecayTable.hh"
47 
48 // ######################################################################
49 // ### KAONPLUS ###
50 // ######################################################################
51 
52 G4KaonPlus* G4KaonPlus::theInstance = 0;
53 
55 {
56  if (theInstance !=0) return theInstance;
57  const G4String name = "kaon+";
58  // search in particle table]
60  G4ParticleDefinition* anInstance = pTable->FindParticle(name);
61  if (anInstance ==0)
62  {
63  // create particle
64  //
65  // Arguments for constructor are as follows
66  // name mass width charge
67  // 2*spin parity C-conjugation
68  // 2*Isospin 2*Isospin3 G-parity
69  // type lepton number baryon number PDG encoding
70  // stable lifetime decay table
71  // shortlived subType anti_encoding
72 
73  anInstance = new G4ParticleDefinition(
74  name, 0.493677*GeV, 5.317e-14*MeV, +1.*eplus,
75  0, -1, 0,
76  1, +1, 0,
77  "meson", 0, 0, 321,
78  false, 12.380*ns, NULL,
79  false, "kaon");
80 
81  //create Decay Table
82  G4DecayTable* table = new G4DecayTable();
83 
84  // create decay channels
85  G4VDecayChannel** mode = new G4VDecayChannel*[6];
86  // kaon+ -> mu+ + nu_mu
87  mode[0] = new G4PhaseSpaceDecayChannel("kaon+",0.6355,2,"mu+","nu_mu");
88  // kaon+ -> pi+ + pi0
89  mode[1] = new G4PhaseSpaceDecayChannel("kaon+",0.2066,2,"pi+","pi0");
90  // kaon+ -> pi+ + pi+ + pi-
91  mode[2] = new G4PhaseSpaceDecayChannel("kaon+",0.0559,3,"pi+","pi+","pi-");
92  // kaon+ -> pi+ + pi0 + pi0
93  mode[3] = new G4PhaseSpaceDecayChannel("kaon+",0.01761,3,"pi+","pi0","pi0");
94  // kaon+ -> pi0 + e+ + nu_e (Ke3)
95  mode[4] = new G4KL3DecayChannel("kaon+",0.0507,"pi0","e+","nu_e");
96  // kaon+ -> pi0 + mu+ + nu_mu (Kmu3)
97  mode[5] = new G4KL3DecayChannel("kaon+",0.0335,"pi0","mu+","nu_mu");
98 
99  for (G4int index=0; index <6; index++ ) table->Insert(mode[index]);
100  delete [] mode;
101 
102  anInstance->SetDecayTable(table);
103  }
104  theInstance = reinterpret_cast<G4KaonPlus*>(anInstance);
105  return theInstance;
106 }
107 
109 {
110  return Definition();
111 }
112 
114 {
115  return Definition();
116 }
117