Geant4  10.01.p02
G4OmegaMinus.cc
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27 // $Id: G4OmegaMinus.cc 67971 2013-03-13 10:13:24Z 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 "G4OmegaMinus.hh"
40 #include "G4PhysicalConstants.hh"
41 #include "G4SystemOfUnits.hh"
42 #include "G4ParticleTable.hh"
43 
45 #include "G4DecayTable.hh"
46 
47 // ######################################################################
48 // ### OmegaMinus ###
49 // ######################################################################
50 
52 
54 {
55  if (theInstance !=0) return theInstance;
56  const G4String name = "omega-";
57  // search in particle table]
59  G4ParticleDefinition* anInstance = pTable->FindParticle(name);
60  if (anInstance ==0)
61  {
62  // create particle
63  //
64  // Arguments for constructor are as follows
65  // name mass width charge
66  // 2*spin parity C-conjugation
67  // 2*Isospin 2*Isospin3 G-parity
68  // type lepton number baryon number PDG encoding
69  // stable lifetime decay table
70  // shortlived subType anti_encoding
71 
72  anInstance = new G4ParticleDefinition(
73  name, 1.67245*GeV, 8.07e-12*MeV, -1*eplus,
74  3, +1, 0,
75  0, 0, 0,
76  "baryon", 0, +1, 3334,
77  false, 0.0821*ns, NULL,
78  false, "omega");
79 
80  // Magnetic Moment
81  G4double mN = eplus*hbar_Planck/2./(proton_mass_c2 /c_squared);
82  anInstance->SetPDGMagneticMoment( -2.02 * mN);
83 
84  //create Decay Table
85  G4DecayTable* table = new G4DecayTable();
86 
87  // create decay channels
88  G4VDecayChannel** mode = new G4VDecayChannel*[3];
89  // omega- -> lambda + kaon-
90  mode[0] = new G4PhaseSpaceDecayChannel("omega-",0.678,2,"lambda","kaon-");
91  // omega- -> xi0 + pi-
92  mode[1] = new G4PhaseSpaceDecayChannel("omega-",0.236,2,"xi0","pi-");
93  // omega- -> xi- + pi0
94  mode[2] = new G4PhaseSpaceDecayChannel("omega-",0.086,2,"xi-","pi0");
95 
96  for (G4int index=0; index <3; index++ ) table->Insert(mode[index]);
97  delete [] mode;
98 
99  anInstance->SetDecayTable(table);
100  }
101  theInstance = reinterpret_cast<G4OmegaMinus*>(anInstance);
102  return theInstance;
103 }
104 
106 {
107  return Definition();
108 }
109 
111 {
112  return Definition();
113 }
114 
115 
116 
void SetDecayTable(G4DecayTable *aDecayTable)
static const double MeV
Definition: G4SIunits.hh:193
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
G4String name
Definition: TRTMaterials.hh:40
static G4OmegaMinus * OmegaMinus()
int G4int
Definition: G4Types.hh:78
static const double GeV
Definition: G4SIunits.hh:196
void Insert(G4VDecayChannel *aChannel)
Definition: G4DecayTable.cc:60
static G4OmegaMinus * Definition()
Definition: G4OmegaMinus.cc:53
static G4OmegaMinus * theInstance
Definition: G4OmegaMinus.hh:53
static G4ParticleTable * GetParticleTable()
double G4double
Definition: G4Types.hh:76
static const double eplus
Definition: G4SIunits.hh:178
#define ns
Definition: xmlparse.cc:597
static G4OmegaMinus * OmegaMinusDefinition()
void SetPDGMagneticMoment(G4double mageticMoment)