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1 // 1 //
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19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. *
20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work *
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: G4PionPlus.cc,v 1.8 2001/10/16 08:16:14 kurasige Exp $
>> 25 // GEANT4 tag $Name: geant4-05-00 $
>> 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 // ******************************************* 33 // **********************************************************************
32 // New impelemenataion as an utility class M << 34 // Added particle definitions, H.Kurashige, 19 April 1996
>> 35 // Code uses operators (+=, *=, ++, -> etc.) correctly, P. Urban, 26/6/96
>> 36 // Add PionPlusDefinition(), H.Kurashige 4 July 1996
33 // ------------------------------------------- 37 // ----------------------------------------------------------------------
34 38
>> 39 #include "g4std/fstream"
>> 40 #include "g4std/iomanip"
>> 41
35 #include "G4PionPlus.hh" 42 #include "G4PionPlus.hh"
36 43
37 #include "G4DecayTable.hh" <<
38 #include "G4ParticleTable.hh" <<
39 #include "G4PhaseSpaceDecayChannel.hh" 44 #include "G4PhaseSpaceDecayChannel.hh"
40 #include "G4String.hh" << 45 #include "G4DecayTable.hh"
41 #include "G4SystemOfUnits.hh" <<
42 #include "G4VDecayChannel.hh" <<
43 <<
44 G4PionPlus* G4PionPlus::theInstance = nullptr; <<
45 46
46 G4PionPlus* G4PionPlus::Definition() << 47 // ######################################################################
>> 48 // ### PIONPLUS ###
>> 49 // ######################################################################
>> 50
>> 51 G4PionPlus::G4PionPlus(
>> 52 const G4String& aName, G4double mass,
>> 53 G4double width, G4double charge,
>> 54 G4int iSpin, G4int iParity,
>> 55 G4int iConjugation, G4int iIsospin,
>> 56 G4int iIsospin3, G4int gParity,
>> 57 const G4String& pType, G4int lepton,
>> 58 G4int baryon, G4int encoding,
>> 59 G4bool stable, G4double lifetime,
>> 60 G4DecayTable *decaytable )
>> 61 : G4VMeson( aName,mass,width,charge,iSpin,iParity,
>> 62 iConjugation,iIsospin,iIsospin3,gParity,pType,
>> 63 lepton,baryon,encoding,stable,lifetime,decaytable )
47 { 64 {
48 if (theInstance != nullptr) return theInstan << 65 SetParticleSubType("pi");
49 const G4String name = "pi+"; << 66 SetPDGStable(false);
50 // search in particle table] << 67 //create Decay Table
51 G4ParticleTable* pTable = G4ParticleTable::G << 68 G4DecayTable* table = GetDecayTable();
52 G4ParticleDefinition* anInstance = pTable->F << 69 if (table!=NULL) delete table;
53 if (anInstance == nullptr) { << 70 table = new G4DecayTable();
54 // create particle << 71
55 // << 72 // create a decay channel
56 // Arguments for constructor are as fol << 73 // pi+ -> mu+ + nu_mu
57 // name mass << 74 G4VDecayChannel* mode = new G4PhaseSpaceDecayChannel("pi+",1.00,2,"mu+","nu_mu");
58 // 2*spin parity C- << 75 table->Insert(mode);
59 // 2*Isospin 2*Isospin3 <<
60 // type lepton number ba <<
61 // stable lifetime <<
62 // shortlived subType <<
63 <<
64 // clang-format off <<
65 anInstance = new G4ParticleDefinition( <<
66 name, 0.1395701*GeV, 2.528 <<
67 0, -1, <<
68 2, +2, <<
69 "meson", 0, <<
70 false, 26.033*ns, <<
71 false, "pi"); <<
72 // clang-format on <<
73 <<
74 // create Decay Table <<
75 auto table = new G4DecayTable(); <<
76 <<
77 // create a decay channel <<
78 // pi+ -> mu+ + nu_mu <<
79 G4VDecayChannel* mode = new G4PhaseSpaceDe <<
80 table->Insert(mode); <<
81 <<
82 anInstance->SetDecayTable(table); <<
83 } <<
84 theInstance = static_cast<G4PionPlus*>(anIns <<
85 return theInstance; <<
86 } <<
87 76
88 G4PionPlus* G4PionPlus::PionPlusDefinition() << 77 SetDecayTable(table);
89 { <<
90 return Definition(); <<
91 } 78 }
92 79
93 G4PionPlus* G4PionPlus::PionPlus() << 80 // ......................................................................
94 { << 81 // ... static member definitions ...
95 return Definition(); << 82 // ......................................................................
96 } << 83 //
>> 84 // Arguments for constructor are as follows
>> 85 // name mass width charge
>> 86 // 2*spin parity C-conjugation
>> 87 // 2*Isospin 2*Isospin3 G-parity
>> 88 // type lepton number baryon number PDG encoding
>> 89 // stable lifetime decay table
>> 90
>> 91 // In this version, charged pions are set to stable
>> 92 G4PionPlus G4PionPlus::thePionPlus(
>> 93 "pi+", 0.1395700*GeV, 2.5284e-14*MeV, +1.*eplus,
>> 94 0, -1, 0,
>> 95 2, +2, -1,
>> 96 "meson", 0, 0, 211,
>> 97 false, 26.030*ns, NULL
>> 98 );
>> 99
>> 100 G4PionPlus* G4PionPlus::PionPlusDefinition(){return &thePionPlus;}
>> 101
>> 102 G4PionPlus* G4PionPlus::PionPlus(){return &thePionPlus;}
>> 103
>> 104
>> 105
>> 106
97 107