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G4SigmabZero.cc
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29 // ----------------------------------------------------------------------
30 // GEANT 4 class implementation file
31 //
32 // History: first implementation, based on object model of
33 // 4th April 1996, G.Cosmo
34 //
35 // Created Hisaya Kurashige, 11 Aug. 2011
36 // **********************************************************************
37 //
38 
39 #include "G4SigmabZero.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4ParticleTable.hh"
42 
44 #include "G4DecayTable.hh"
45 
46 // ######################################################################
47 // ### SigmabZero ###
48 // ######################################################################
49 
51 
53 {
54  if (theInstance !=0) return theInstance;
55  const G4String name = "sigma_b0";
56  // search in particle table]
58  G4ParticleDefinition* anInstance = pTable->FindParticle(name);
59  if (theInstance ==0)
60  {
61  // create particle
62  //
63  // Arguments for constructor are as follows
64  // name mass width charge
65  // 2*spin parity C-conjugation
66  // 2*Isospin 2*Isospin3 G-parity
67  // type lepton number baryon number PDG encoding
68  // stable lifetime decay table
69  // shortlived subType anti_encoding
70 
71  anInstance = new G4ParticleDefinition(
72  name, 5.8078*GeV, 5.0*MeV, 0,
73  1, +1, 0,
74  2, 0, 0,
75  "baryon", 0, +1, 5212,
76  false, 0.0*ns, NULL,
77  false, "sigma_b");
78 
79  //create Decay Table
80  G4DecayTable* table = new G4DecayTable();
81 
82  // create decay channels
83  G4VDecayChannel** mode = new G4VDecayChannel*[1];
84  // sigma_b0 -> lambda_b + pi0
85  mode[0] = new G4PhaseSpaceDecayChannel("sigma_b0",1.000,2,"lambda_b","pi0");
86 
87  for (G4int index=0; index <1; index++ ) table->Insert(mode[index]);
88  delete [] mode;
89 
90  anInstance->SetDecayTable(table);
91  }
92  theInstance = reinterpret_cast<G4SigmabZero*>(anInstance);
93  return theInstance;
94 }
95 
97 {
98  return Definition();
99 }
100 
102 {
103  return Definition();
104 }
105 
106