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1 // 1 //
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18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // ------------------------------------------- 26 // ----------------------------------------------------------------------
27 // GEANT 4 class implementation file 27 // GEANT 4 class implementation file
28 // 28 //
29 // History: first implementation, based o 29 // History: first implementation, based on object model of
30 // 4th April 1996, G.Cosmo 30 // 4th April 1996, G.Cosmo
31 // ******************************************* 31 // **********************************************************************
32 // New impelemenataion as an utility class M 32 // New impelemenataion as an utility class M.Asai, 26 July 2004
33 // ------------------------------------------- 33 // ----------------------------------------------------------------------
34 34
35 #include "G4AntiOmegaMinus.hh" 35 #include "G4AntiOmegaMinus.hh"
36 36
37 #include "G4DecayTable.hh" 37 #include "G4DecayTable.hh"
38 #include "G4ParticleTable.hh" 38 #include "G4ParticleTable.hh"
39 #include "G4PhaseSpaceDecayChannel.hh" 39 #include "G4PhaseSpaceDecayChannel.hh"
40 #include "G4PhysicalConstants.hh" 40 #include "G4PhysicalConstants.hh"
41 #include "G4String.hh" 41 #include "G4String.hh"
42 #include "G4SystemOfUnits.hh" 42 #include "G4SystemOfUnits.hh"
43 #include "G4Types.hh" 43 #include "G4Types.hh"
44 #include "G4VDecayChannel.hh" 44 #include "G4VDecayChannel.hh"
45 45
46 G4AntiOmegaMinus* G4AntiOmegaMinus::theInstanc 46 G4AntiOmegaMinus* G4AntiOmegaMinus::theInstance = nullptr;
47 47
48 G4AntiOmegaMinus* G4AntiOmegaMinus::Definition 48 G4AntiOmegaMinus* G4AntiOmegaMinus::Definition()
49 { 49 {
50 if (theInstance != nullptr) return theInstan 50 if (theInstance != nullptr) return theInstance;
51 const G4String name = "anti_omega-"; 51 const G4String name = "anti_omega-";
52 // search in particle table 52 // search in particle table
53 G4ParticleTable* pTable = G4ParticleTable::G 53 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
54 G4ParticleDefinition* anInstance = pTable->F 54 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
55 if (anInstance == nullptr) { 55 if (anInstance == nullptr) {
56 // create particle 56 // create particle
57 // 57 //
58 // Arguments for constructor are as fol 58 // Arguments for constructor are as follows
59 // name mass 59 // name mass width charge
60 // 2*spin parity C- 60 // 2*spin parity C-conjugation
61 // 2*Isospin 2*Isospin3 61 // 2*Isospin 2*Isospin3 G-parity
62 // type lepton number ba 62 // type lepton number baryon number PDG encoding
63 // stable lifetime 63 // stable lifetime decay table
64 // shortlived subType 64 // shortlived subType anti_encoding
65 65
66 // clang-format off 66 // clang-format off
67 anInstance = new G4ParticleDefinition( 67 anInstance = new G4ParticleDefinition(
68 name, 1.67245*GeV, 8.07e 68 name, 1.67245*GeV, 8.07e-12*MeV, eplus,
69 3, +1, 69 3, +1, 0,
70 0, 0, 70 0, 0, 0,
71 "baryon", 0, 71 "baryon", 0, -1, -3334,
72 false, 0.0821*ns, 72 false, 0.0821*ns, nullptr,
73 false, "omega"); 73 false, "omega");
74 // clang-format on 74 // clang-format on
75 75
76 // Magnetic Moment 76 // Magnetic Moment
77 G4double mN = eplus * hbar_Planck / 2. / ( 77 G4double mN = eplus * hbar_Planck / 2. / (proton_mass_c2 / c_squared);
78 anInstance->SetPDGMagneticMoment(-2.02 * m 78 anInstance->SetPDGMagneticMoment(-2.02 * mN);
79 79
80 // create Decay Table 80 // create Decay Table
81 auto table = new G4DecayTable(); 81 auto table = new G4DecayTable();
82 82
83 // create decay channels 83 // create decay channels
84 auto mode = new G4VDecayChannel*[3]; 84 auto mode = new G4VDecayChannel*[3];
85 // anti_omega- -> anti_lambda + kaon+ 85 // anti_omega- -> anti_lambda + kaon+
86 mode[0] = new G4PhaseSpaceDecayChannel("an 86 mode[0] = new G4PhaseSpaceDecayChannel("anti_omega-", 0.678, 2, "anti_lambda", "kaon+");
87 // anti_omega- -> anti_xi0 + pi+ 87 // anti_omega- -> anti_xi0 + pi+
88 mode[1] = new G4PhaseSpaceDecayChannel("an 88 mode[1] = new G4PhaseSpaceDecayChannel("anti_omega-", 0.236, 2, "anti_xi0", "pi+");
89 // anti_omega- -> anti_xi- + pi0 89 // anti_omega- -> anti_xi- + pi0
90 mode[2] = new G4PhaseSpaceDecayChannel("an 90 mode[2] = new G4PhaseSpaceDecayChannel("anti_omega-", 0.086, 2, "anti_xi-", "pi0");
91 91
92 for (G4int index = 0; index < 3; index++) 92 for (G4int index = 0; index < 3; index++)
93 table->Insert(mode[index]); 93 table->Insert(mode[index]);
94 delete[] mode; 94 delete[] mode;
95 95
96 anInstance->SetDecayTable(table); 96 anInstance->SetDecayTable(table);
97 } 97 }
98 theInstance = static_cast<G4AntiOmegaMinus*> 98 theInstance = static_cast<G4AntiOmegaMinus*>(anInstance);
99 return theInstance; 99 return theInstance;
100 } 100 }
101 101
102 G4AntiOmegaMinus* G4AntiOmegaMinus::AntiOmegaM 102 G4AntiOmegaMinus* G4AntiOmegaMinus::AntiOmegaMinusDefinition()
103 { 103 {
104 return Definition(); 104 return Definition();
105 } 105 }
106 106
107 G4AntiOmegaMinus* G4AntiOmegaMinus::AntiOmegaM 107 G4AntiOmegaMinus* G4AntiOmegaMinus::AntiOmegaMinus()
108 { 108 {
109 return Definition(); 109 return Definition();
110 } 110 }
111 111