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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
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10 // * 10 // * *
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17 // * 17 // * *
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. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
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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 "G4SigmacZero.hh" 35 #include "G4SigmacZero.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 "G4String.hh" 40 #include "G4String.hh"
41 #include "G4SystemOfUnits.hh" 41 #include "G4SystemOfUnits.hh"
42 #include "G4Types.hh" 42 #include "G4Types.hh"
43 #include "G4VDecayChannel.hh" 43 #include "G4VDecayChannel.hh"
44 44
45 G4SigmacZero* G4SigmacZero::theInstance = null 45 G4SigmacZero* G4SigmacZero::theInstance = nullptr;
46 46
47 G4SigmacZero* G4SigmacZero::Definition() 47 G4SigmacZero* G4SigmacZero::Definition()
48 { 48 {
49 if (theInstance != nullptr) return theInstan 49 if (theInstance != nullptr) return theInstance;
50 const G4String name = "sigma_c0"; 50 const G4String name = "sigma_c0";
51 // search in particle table] 51 // search in particle table]
52 G4ParticleTable* pTable = G4ParticleTable::G 52 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
53 G4ParticleDefinition* anInstance = pTable->F 53 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
54 if (anInstance == nullptr) { 54 if (anInstance == nullptr) {
55 // create particle 55 // create particle
56 // 56 //
57 // Arguments for constructor are as fol 57 // Arguments for constructor are as follows
58 // name mass 58 // name mass width charge
59 // 2*spin parity C- 59 // 2*spin parity C-conjugation
60 // 2*Isospin 2*Isospin3 60 // 2*Isospin 2*Isospin3 G-parity
61 // type lepton number ba 61 // type lepton number baryon number PDG encoding
62 // stable lifetime 62 // stable lifetime decay table
63 // shortlived subType 63 // shortlived subType anti_encoding
64 64
65 // clang-format off 65 // clang-format off
66 anInstance = new G4ParticleDefinition( 66 anInstance = new G4ParticleDefinition(
67 name, 2.45375*GeV, 1 67 name, 2.45375*GeV, 1.83*MeV, +0.0*eplus,
68 1, +1, 68 1, +1, 0,
69 2, -1, 69 2, -1, 0,
70 "baryon", 0, 70 "baryon", 0, +1, 4112,
71 false, 0.0*ns, 71 false, 0.0*ns, nullptr,
72 false, "sigma_c"); 72 false, "sigma_c");
73 // clang-format on 73 // clang-format on
74 74
75 // create Decay Table 75 // create Decay Table
76 auto table = new G4DecayTable(); 76 auto table = new G4DecayTable();
77 77
78 // create decay channels 78 // create decay channels
79 auto mode = new G4VDecayChannel*[1]; 79 auto mode = new G4VDecayChannel*[1];
80 // sigmac0 -> lambda_c+ + pi- 80 // sigmac0 -> lambda_c+ + pi-
81 mode[0] = new G4PhaseSpaceDecayChannel("si 81 mode[0] = new G4PhaseSpaceDecayChannel("sigma_c0", 1.000, 2, "lambda_c+", "pi-");
82 82
83 for (G4int index = 0; index < 1; index++) 83 for (G4int index = 0; index < 1; index++)
84 table->Insert(mode[index]); 84 table->Insert(mode[index]);
85 delete[] mode; 85 delete[] mode;
86 86
87 anInstance->SetDecayTable(table); 87 anInstance->SetDecayTable(table);
88 } 88 }
89 theInstance = static_cast<G4SigmacZero*>(anI 89 theInstance = static_cast<G4SigmacZero*>(anInstance);
90 return theInstance; 90 return theInstance;
91 } 91 }
92 92
93 G4SigmacZero* G4SigmacZero::SigmacZeroDefiniti 93 G4SigmacZero* G4SigmacZero::SigmacZeroDefinition()
94 { 94 {
95 return Definition(); 95 return Definition();
96 } 96 }
97 97
98 G4SigmacZero* G4SigmacZero::SigmacZero() 98 G4SigmacZero* G4SigmacZero::SigmacZero()
99 { 99 {
100 return Definition(); 100 return Definition();
101 } 101 }
102 102