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G4MuonPlus.cc
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25 //
26 //
27 //
28 //
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 // New impelemenataion as an utility class M.Asai, 26 July 2004
36 // ----------------------------------------------------------------------
37 
38 #include "G4MuonPlus.hh"
39 #include "G4PhysicalConstants.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4ParticleTable.hh"
42 
43 #include "G4MuonDecayChannel.hh"
44 #include "G4DecayTable.hh"
45 
46 // ######################################################################
47 // ### MUONPLUS ###
48 // ######################################################################
50 
52 {
53  if (theInstance !=0) return theInstance;
54  const G4String name = "mu+";
55  // search in particle table]
57  G4ParticleDefinition* anInstance = pTable->FindParticle(name);
58  if (anInstance ==0)
59  {
60  // create particle
61  //
62  // Arguments for constructor are as follows
63  // name mass width charge
64  // 2*spin parity C-conjugation
65  // 2*Isospin 2*Isospin3 G-parity
66  // type lepton number baryon number PDG encoding
67  // stable lifetime decay table
68  // shortlived subType anti_encoding
69  anInstance = new G4ParticleDefinition(
70  name, 0.1056583715*GeV, 2.99598e-16*MeV, +1.*eplus,
71  1, 0, 0,
72  0, 0, 0,
73  "lepton", -1, 0, -13,
74  false, 2196.98*ns, NULL,
75  false, "mu"
76  );
77  // Bohr Magnetron
78  G4double muB = 0.5*eplus*hbar_Planck/(anInstance->GetPDGMass()/c_squared) ;
79 
80  anInstance->SetPDGMagneticMoment( muB * 1.0011659209);
81 
82  //create Decay Table
83  G4DecayTable* table = new G4DecayTable();
84  // create a decay channel
85  G4VDecayChannel* mode = new G4MuonDecayChannel("mu+",1.00);
86  table->Insert(mode);
87  anInstance->SetDecayTable(table);
88  }
89  theInstance = reinterpret_cast<G4MuonPlus*>(anInstance);
90  return theInstance;
91 }
92 
94 {
95  return Definition();
96 }
97 
99 {
100  return Definition();
101 }
102