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>> 1 // This code implementation is the intellectual property of
>> 2 // the GEANT4 collaboration.
1 // 3 //
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13 // * work make any representation or warran <<
14 // * regarding this software system or assum <<
15 // * use. Please see the license in the file <<
16 // * for the full disclaimer and the limitatio <<
17 // * <<
18 // * This code implementation is the result <<
19 // * technical work of the GEANT4 collaboratio <<
20 // * By using, copying, modifying or distri <<
21 // * any work based on the software) you ag <<
22 // * use in resulting scientific publicati <<
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24 // ******************************************* <<
25 // 7 //
>> 8 // $Id: G4AntiNeutron.cc,v 1.4 2000/02/27 06:17:03 kurasige Exp $
>> 9 // GEANT4 tag $Name: geant4-02-00 $
>> 10 //
>> 11 //
26 // ------------------------------------------- 12 // ----------------------------------------------------------------------
27 // GEANT 4 class implementation file 13 // GEANT 4 class implementation file
28 // 14 //
>> 15 // For information related to this code contact:
>> 16 // CERN, CN Division, ASD Group
29 // History: first implementation, based o 17 // History: first implementation, based on object model of
30 // 4th April 1996, G.Cosmo 18 // 4th April 1996, G.Cosmo
31 // H.Kurashige 7 July 19 // H.Kurashige 7 July 1996
32 // ******************************************* 20 // **********************************************************************
33 // New impelemenataion as an utility class M << 21 #include "g4std/fstream"
34 // ------------------------------------------- << 22 #include "g4std/iomanip"
35 23
36 #include "G4AntiNeutron.hh" 24 #include "G4AntiNeutron.hh"
37 25
38 #include "G4DecayTable.hh" << 26 // ######################################################################
39 #include "G4NeutronBetaDecayChannel.hh" << 27 // ### ANTI NEUTRON ###
40 #include "G4ParticleTable.hh" << 28 // ######################################################################
41 #include "G4PhysicalConstants.hh" << 29
42 #include "G4String.hh" << 30 G4AntiNeutron::G4AntiNeutron(
43 #include "G4SystemOfUnits.hh" << 31 const G4String& aName, G4double mass,
44 #include "G4Types.hh" << 32 G4double width, G4double charge,
45 #include "G4VDecayChannel.hh" << 33 G4int iSpin, G4int iParity,
46 << 34 G4int iConjugation, G4int iIsospin,
47 G4AntiNeutron* G4AntiNeutron::theInstance = nu << 35 G4int iIsospin3, G4int gParity,
48 << 36 const G4String& pType, G4int lepton,
49 G4AntiNeutron* G4AntiNeutron::Definition() << 37 G4int baryon, G4int encoding,
>> 38 G4bool stable, G4double lifetime,
>> 39 G4DecayTable *decaytable )
>> 40 : G4VBaryon( aName,mass,width,charge,iSpin,iParity,
>> 41 iConjugation,iIsospin,iIsospin3,gParity,pType,
>> 42 lepton,baryon,encoding,stable,lifetime,decaytable )
50 { 43 {
51 if (theInstance != nullptr) return theInstan << 44 SetParticleSubType("nucleon");
52 const G4String name = "anti_neutron"; << 45 }
53 // search in particle table] << 46
54 G4ParticleTable* pTable = G4ParticleTable::G << 47 // ......................................................................
55 G4ParticleDefinition* anInstance = pTable->F << 48 // ... static member definitions ...
56 if (anInstance == nullptr) { << 49 // ......................................................................
57 // create particle << 50 //
58 // << 51 // Arguments for constructor are as follows
59 // Arguments for constructor are as fol << 52 // name mass width charge
60 // name mass << 53 // 2*spin parity C-conjugation
61 // 2*spin parity C- << 54 // 2*Isospin 2*Isospin3 G-parity
62 // 2*Isospin 2*Isospin3 << 55 // type lepton number baryon number PDG encoding
63 // type lepton number ba << 56 // stable lifetime decay table
64 // stable lifetime << 57 //
65 // shortlived subType << 58 G4AntiNeutron G4AntiNeutron::theAntiNeutron(
66 // use constants in CLHEP << 59 "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, 60 1, +1, 0,
72 1, +1, 0, 61 1, +1, 0,
73 "baryon", 0, - 62 "baryon", 0, -1, -2112,
74 false, 880.2*second, nullptr, << 63 true, -1.0, NULL
75 false, "nucleon", 211 << 64 );
76 ); << 65 G4AntiNeutron* G4AntiNeutron::AntiNeutronDefinition(){return &theAntiNeutron;}
77 // clang-format on << 66 // initialization for static cut values
78 << 67 G4double G4AntiNeutron::theAntiNeutronLengthCut = -1.0;
79 // Magnetic Moment << 68 G4double* G4AntiNeutron::theAntiNeutronKineticEnergyCuts = NULL;
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 69
93 G4AntiNeutron* G4AntiNeutron::AntiNeutronDefin << 70 // **********************************************************************
>> 71 // **************************** SetCuts *********************************
>> 72 // **********************************************************************
>> 73 // In this version Input Cut Value is meaning less
>> 74 // theKineticEnergyCuts for all materials are set to LowestEnergy
>> 75 void G4AntiNeutron::SetCuts(G4double aCut)
94 { 76 {
95 return Definition(); << 77 theCutInMaxInteractionLength = aCut;
96 } <<
97 78
98 G4AntiNeutron* G4AntiNeutron::AntiNeutron() << 79 const G4MaterialTable* materialTable = G4Material::GetMaterialTable();
99 { << 80 // Create the vector of cuts in energy
100 return Definition(); << 81 // corresponding to the stopping range cut
>> 82 if(theKineticEnergyCuts) delete [] theKineticEnergyCuts;
>> 83 theKineticEnergyCuts = new G4double [materialTable->length()];
>> 84
>> 85 // Build range vector for every material, convert cut into energy-cut,
>> 86 // fill theKineticEnergyCuts and delete the range vector
>> 87 for (G4int J=0; J<materialTable->length(); J++)
>> 88 {
>> 89 G4Material* aMaterial = (*materialTable)[J];
>> 90 theKineticEnergyCuts[J] = LowestEnergy;
>> 91 }
>> 92 theAntiNeutronLengthCut = theCutInMaxInteractionLength;
>> 93 theAntiNeutronKineticEnergyCuts = theKineticEnergyCuts;
>> 94 // Rebuild the physics tables for every process for this particle type
>> 95
101 } 96 }
>> 97
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102 107