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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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4 // * 4 // * *
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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 //
>> 27 // $Id: G4SigmaMinus.cc 67971 2013-03-13 10:13:24Z gcosmo $
>> 28 //
>> 29 //
26 // ------------------------------------------- 30 // ----------------------------------------------------------------------
27 // GEANT 4 class implementation file 31 // GEANT 4 class implementation file
28 // 32 //
29 // History: first implementation, based o 33 // History: first implementation, based on object model of
30 // 4th April 1996, G.Cosmo 34 // 4th April 1996, G.Cosmo
31 // ******************************************* 35 // **********************************************************************
32 // New impelemenataion as an utility class M 36 // New impelemenataion as an utility class M.Asai, 26 July 2004
33 // ------------------------------------------- 37 // ----------------------------------------------------------------------
34 38
35 #include "G4SigmaMinus.hh" 39 #include "G4SigmaMinus.hh"
36 <<
37 #include "G4DecayTable.hh" <<
38 #include "G4ParticleTable.hh" <<
39 #include "G4PhaseSpaceDecayChannel.hh" <<
40 #include "G4PhysicalConstants.hh" 40 #include "G4PhysicalConstants.hh"
41 #include "G4String.hh" <<
42 #include "G4SystemOfUnits.hh" 41 #include "G4SystemOfUnits.hh"
43 #include "G4Types.hh" << 42 #include "G4ParticleTable.hh"
44 #include "G4VDecayChannel.hh" << 43
>> 44 #include "G4PhaseSpaceDecayChannel.hh"
>> 45 #include "G4DecayTable.hh"
45 46
46 G4SigmaMinus* G4SigmaMinus::theInstance = null << 47 // ######################################################################
>> 48 // ### SigmaMinus ###
>> 49 // ######################################################################
>> 50
>> 51 G4SigmaMinus* G4SigmaMinus::theInstance = 0;
47 52
48 G4SigmaMinus* G4SigmaMinus::Definition() 53 G4SigmaMinus* G4SigmaMinus::Definition()
49 { 54 {
50 if (theInstance != nullptr) return theInstan << 55 if (theInstance !=0) return theInstance;
51 const G4String name = "sigma-"; 56 const G4String name = "sigma-";
52 // search in particle table] 57 // search in particle table]
53 G4ParticleTable* pTable = G4ParticleTable::G 58 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
54 G4ParticleDefinition* anInstance = pTable->F 59 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
55 if (anInstance == nullptr) { << 60 if (anInstance ==0)
56 // create particle << 61 {
57 // << 62 // create particle
58 // Arguments for constructor are as fol << 63 //
59 // name mass << 64 // Arguments for constructor are as follows
60 // 2*spin parity C- << 65 // name mass width charge
61 // 2*Isospin 2*Isospin3 << 66 // 2*spin parity C-conjugation
62 // type lepton number ba << 67 // 2*Isospin 2*Isospin3 G-parity
63 // stable lifetime << 68 // type lepton number baryon number PDG encoding
64 // shortlived subType << 69 // stable lifetime decay table
65 << 70 // shortlived subType anti_encoding
66 // clang-format off << 71
67 anInstance = new G4ParticleDefinition( 72 anInstance = new G4ParticleDefinition(
68 name, 1.197449*GeV, 4.45e 73 name, 1.197449*GeV, 4.45e-12*MeV, -1*eplus,
69 1, +1, 74 1, +1, 0,
70 2, -2, 75 2, -2, 0,
71 "baryon", 0, 76 "baryon", 0, +1, 3112,
72 false, 0.1479*ns, << 77 false, 0.1479*ns, NULL,
73 false, "sigma"); 78 false, "sigma");
74 // clang-format on << 79
75 <<
76 // Magnetic Moment 80 // Magnetic Moment
77 G4double mN = eplus * hbar_Planck / 2. / ( << 81 G4double mN = eplus*hbar_Planck/2./(proton_mass_c2 /c_squared);
78 anInstance->SetPDGMagneticMoment(-1.160 * << 82 anInstance->SetPDGMagneticMoment( -1.160 * mN);
79 << 83
80 // create Decay Table << 84 //create Decay Table
81 auto table = new G4DecayTable(); << 85 G4DecayTable* table = new G4DecayTable();
82 << 86
83 // create decay channels 87 // create decay channels
84 auto mode = new G4VDecayChannel*[1]; << 88 G4VDecayChannel** mode = new G4VDecayChannel*[1];
85 // sigma- -> neutron + pi- 89 // sigma- -> neutron + pi-
86 mode[0] = new G4PhaseSpaceDecayChannel("si << 90 mode[0] = new G4PhaseSpaceDecayChannel("sigma-",1.00,2,"neutron","pi-");
87 << 91
88 for (G4int index = 0; index < 1; index++) << 92 for (G4int index=0; index <1; index++ ) table->Insert(mode[index]);
89 table->Insert(mode[index]); << 93 delete [] mode;
90 delete[] mode; << 94
91 <<
92 anInstance->SetDecayTable(table); 95 anInstance->SetDecayTable(table);
93 } 96 }
94 theInstance = static_cast<G4SigmaMinus*>(anI << 97 theInstance = reinterpret_cast<G4SigmaMinus*>(anInstance);
95 return theInstance; 98 return theInstance;
96 } 99 }
97 100
98 G4SigmaMinus* G4SigmaMinus::SigmaMinusDefiniti << 101 G4SigmaMinus* G4SigmaMinus::SigmaMinusDefinition()
99 { << 102 {
100 return Definition(); 103 return Definition();
101 } 104 }
102 105
103 G4SigmaMinus* G4SigmaMinus::SigmaMinus() << 106 G4SigmaMinus* G4SigmaMinus::SigmaMinus()
104 { << 107 {
105 return Definition(); 108 return Definition();
106 } 109 }
>> 110
107 111