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G4MuonMinus.cc
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27 // $Id: G4MuonMinus.cc 79342 2014-02-24 11:42:42Z gcosmo $
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 // **********************************************************************
36 // New impelemenataion as an utility class M.Asai, 26 July 2004
37 // ----------------------------------------------------------------------
38 
39 #include "G4MuonMinus.hh"
40 #include "G4PhysicalConstants.hh"
41 #include "G4SystemOfUnits.hh"
42 #include "G4ParticleTable.hh"
43 
44 #include "G4MuonDecayChannel.hh"
45 #include "G4DecayTable.hh"
46 
47 // ######################################################################
48 // ### MUONMINUS ###
49 // ######################################################################
50 G4MuonMinus* G4MuonMinus::theInstance = 0;
51 
53 {
54  if (theInstance !=0) return theInstance;
55  const G4String name = "mu-";
56  // search in particle table]
58  G4ParticleDefinition* anInstance = pTable->FindParticle(name);
59  if (anInstance ==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  anInstance = new G4ParticleDefinition(
71  name, 0.1056583715*GeV, 2.99598e-16*MeV, -1.*eplus,
72  1, 0, 0,
73  0, 0, 0,
74  "lepton", 1, 0, 13,
75  false, 2196.98*ns, NULL,
76  false, "mu"
77  );
78  // Bohr Magnetron
79  G4double muB = -0.5*eplus*hbar_Planck/(anInstance->GetPDGMass()/c_squared) ;
80 
81  anInstance->SetPDGMagneticMoment( muB * 1.0011659209);
82 
83  //create Decay Table
84  G4DecayTable* table = new G4DecayTable();
85 
86  // create a decay channel
87  G4VDecayChannel* mode = new G4MuonDecayChannel("mu-",1.00);
88  table->Insert(mode);
89  anInstance->SetDecayTable(table);
90  }
91  theInstance = reinterpret_cast<G4MuonMinus*>(anInstance);
92  return theInstance;
93 }
94 
96 {
97  return Definition();
98 }
99 
101 {
102  return Definition();
103 }
104 
void SetDecayTable(G4DecayTable *aDecayTable)
const XML_Char * name
Definition: expat.h:151
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
static G4MuonMinus * Definition()
Definition: G4MuonMinus.cc:52
static constexpr double eplus
Definition: G4SIunits.hh:199
void Insert(G4VDecayChannel *aChannel)
Definition: G4DecayTable.cc:60
G4double GetPDGMass() const
static G4ParticleTable * GetParticleTable()
static G4MuonMinus * MuonMinusDefinition()
Definition: G4MuonMinus.cc:95
static constexpr double GeV
Definition: G4SIunits.hh:217
static G4MuonMinus * MuonMinus()
Definition: G4MuonMinus.cc:100
static constexpr double MeV
Definition: G4SIunits.hh:214
double G4double
Definition: G4Types.hh:76
#define ns
Definition: xmlparse.cc:614
void SetPDGMagneticMoment(G4double mageticMoment)