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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. *
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21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this *
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24 // ******************************************* 21 // ********************************************************************
25 // 22 //
>> 23 //
>> 24 // $Id: G4AntiNeutron.cc,v 1.12 2002/12/16 11:15:38 gcosmo Exp $
>> 25 // GEANT4 tag $Name: geant4-05-01 $
>> 26 //
>> 27 //
26 // ------------------------------------------- 28 // ----------------------------------------------------------------------
27 // GEANT 4 class implementation file 29 // GEANT 4 class implementation file
28 // 30 //
29 // History: first implementation, based o 31 // History: first implementation, based on object model of
30 // 4th April 1996, G.Cosmo 32 // 4th April 1996, G.Cosmo
31 // H.Kurashige 7 July 33 // H.Kurashige 7 July 1996
32 // ******************************************* 34 // **********************************************************************
33 // New impelemenataion as an utility class M << 35 #include "g4std/fstream"
34 // ------------------------------------------- << 36 #include "g4std/iomanip"
35 37
36 #include "G4AntiNeutron.hh" 38 #include "G4AntiNeutron.hh"
37 39
38 #include "G4DecayTable.hh" << 40 // ######################################################################
39 #include "G4NeutronBetaDecayChannel.hh" << 41 // ### ANTI NEUTRON ###
40 #include "G4ParticleTable.hh" << 42 // ######################################################################
41 #include "G4PhysicalConstants.hh" << 43
42 #include "G4String.hh" << 44 G4AntiNeutron::G4AntiNeutron(
43 #include "G4SystemOfUnits.hh" << 45 const G4String& aName, G4double mass,
44 #include "G4Types.hh" << 46 G4double width, G4double charge,
45 #include "G4VDecayChannel.hh" << 47 G4int iSpin, G4int iParity,
46 << 48 G4int iConjugation, G4int iIsospin,
47 G4AntiNeutron* G4AntiNeutron::theInstance = nu << 49 G4int iIsospin3, G4int gParity,
48 << 50 const G4String& pType, G4int lepton,
49 G4AntiNeutron* G4AntiNeutron::Definition() << 51 G4int baryon, G4int encoding,
>> 52 G4bool stable, G4double lifetime,
>> 53 G4DecayTable *decaytable )
>> 54 : G4VBaryon( aName,mass,width,charge,iSpin,iParity,
>> 55 iConjugation,iIsospin,iIsospin3,gParity,pType,
>> 56 lepton,baryon,encoding,stable,lifetime,decaytable )
50 { 57 {
51 if (theInstance != nullptr) return theInstan << 58 SetParticleSubType("nucleon");
52 const G4String name = "anti_neutron"; << 59 }
53 // search in particle table] << 60
54 G4ParticleTable* pTable = G4ParticleTable::G << 61 // ......................................................................
55 G4ParticleDefinition* anInstance = pTable->F << 62 // ... static member definitions ...
56 if (anInstance == nullptr) { << 63 // ......................................................................
57 // create particle << 64 //
58 // << 65 // Arguments for constructor are as follows
59 // Arguments for constructor are as fol << 66 // name mass width charge
60 // name mass << 67 // 2*spin parity C-conjugation
61 // 2*spin parity C- << 68 // 2*Isospin 2*Isospin3 G-parity
62 // 2*Isospin 2*Isospin3 << 69 // type lepton number baryon number PDG encoding
63 // type lepton number ba << 70 // stable lifetime decay table
64 // stable lifetime << 71 //
65 // shortlived subType << 72 G4AntiNeutron G4AntiNeutron::theAntiNeutron(
66 // use constants in CLHEP << 73 "anti_neutron", 0.93956563*GeV, 0.0*MeV, 0.0,
67 // static const double neutron_mass_c2 = <<
68 // clang-format off <<
69 anInstance = new G4ParticleDefinition( <<
70 name, neutron_mass_c2, 7.478e <<
71 1, +1, 0, 74 1, +1, 0,
72 1, +1, 0, 75 1, +1, 0,
73 "baryon", 0, - 76 "baryon", 0, -1, -2112,
74 false, 880.2*second, nullptr, << 77 true, -1.0, NULL
75 false, "nucleon", 211 << 78 );
76 ); << 79 G4AntiNeutron* G4AntiNeutron::AntiNeutronDefinition(){return &theAntiNeutron;}
77 // clang-format on << 80 G4AntiNeutron* G4AntiNeutron::AntiNeutron(){return &theAntiNeutron;}
78 81
79 // Magnetic Moment <<
80 G4double mN = eplus * hbar_Planck / 2. / ( <<
81 anInstance->SetPDGMagneticMoment(1.9130427 <<
82 // create Decay Table <<
83 auto table = new G4DecayTable(); <<
84 // create a decay channel <<
85 G4VDecayChannel* mode = new G4NeutronBetaD <<
86 table->Insert(mode); <<
87 anInstance->SetDecayTable(table); <<
88 } <<
89 theInstance = static_cast<G4AntiNeutron*>(an <<
90 return theInstance; <<
91 } <<
92 <<
93 G4AntiNeutron* G4AntiNeutron::AntiNeutronDefin <<
94 { <<
95 return Definition(); <<
96 } <<
97 <<
98 G4AntiNeutron* G4AntiNeutron::AntiNeutron() <<
99 { <<
100 return Definition(); <<
101 } <<
102 82