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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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4 // * 4 // * *
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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 //
>> 27 // $Id: G4PionMinus.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 "G4PionMinus.hh" 39 #include "G4PionMinus.hh"
36 << 40 #include "G4SystemOfUnits.hh"
37 #include "G4DecayTable.hh" <<
38 #include "G4ParticleTable.hh" 41 #include "G4ParticleTable.hh"
>> 42
39 #include "G4PhaseSpaceDecayChannel.hh" 43 #include "G4PhaseSpaceDecayChannel.hh"
40 #include "G4String.hh" << 44 #include "G4DecayTable.hh"
41 #include "G4SystemOfUnits.hh" <<
42 #include "G4VDecayChannel.hh" <<
43 45
44 G4PionMinus* G4PionMinus::theInstance = nullpt << 46 // ######################################################################
>> 47 // ### PIONMINUS ###
>> 48 // ######################################################################
>> 49
>> 50 G4PionMinus* G4PionMinus::theInstance = 0;
45 51
46 G4PionMinus* G4PionMinus::Definition() 52 G4PionMinus* G4PionMinus::Definition()
47 { 53 {
48 if (theInstance != nullptr) return theInstan << 54 if (theInstance !=0) return theInstance;
49 const G4String name = "pi-"; 55 const G4String name = "pi-";
50 // search in particle table] 56 // search in particle table]
51 G4ParticleTable* pTable = G4ParticleTable::G 57 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
52 G4ParticleDefinition* anInstance = pTable->F 58 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
53 if (anInstance == nullptr) { << 59 if (anInstance ==0)
54 // create particle << 60 {
55 // << 61 // create particle
56 // Arguments for constructor are as fol << 62 //
57 // name mass << 63 // Arguments for constructor are as follows
58 // 2*spin parity C- << 64 // name mass width charge
59 // 2*Isospin 2*Isospin3 << 65 // 2*spin parity C-conjugation
60 // type lepton number ba << 66 // 2*Isospin 2*Isospin3 G-parity
61 // stable lifetime << 67 // type lepton number baryon number PDG encoding
62 // shortlived subType << 68 // stable lifetime decay table
>> 69 // shortlived subType anti_encoding
63 70
64 // clang-format off <<
65 anInstance = new G4ParticleDefinition( 71 anInstance = new G4ParticleDefinition(
66 name, 0.1395701*GeV, 2.528 72 name, 0.1395701*GeV, 2.5284e-14*MeV, -1.*eplus,
67 0, -1, 73 0, -1, 0,
68 2, -2, 74 2, -2, -1,
69 "meson", 0, 75 "meson", 0, 0, -211,
70 false, 26.033*ns, << 76 false, 26.033*ns, NULL,
71 false, "pi"); 77 false, "pi");
72 // clang-format on <<
73 78
74 // create Decay Table << 79 //create Decay Table
75 auto table = new G4DecayTable(); << 80 G4DecayTable* table = new G4DecayTable();
76 81
77 // create a decay channel << 82 // create a decay channel
78 // pi- -> mu- + anti_nu_mu << 83 // pi- -> mu- + anti_nu_mu
79 G4VDecayChannel* mode = new G4PhaseSpaceDe << 84 G4VDecayChannel* mode = new G4PhaseSpaceDecayChannel("pi-",1.00,2,"mu-","anti_nu_mu");
80 table->Insert(mode); << 85 table->Insert(mode);
81 86
82 anInstance->SetDecayTable(table); << 87 anInstance->SetDecayTable(table);
83 } 88 }
84 theInstance = static_cast<G4PionMinus*>(anIn << 89 theInstance = reinterpret_cast<G4PionMinus*>(anInstance);
85 return theInstance; 90 return theInstance;
86 } 91 }
87 92
88 G4PionMinus* G4PionMinus::PionMinusDefinition( << 93 G4PionMinus* G4PionMinus::PionMinusDefinition()
89 { 94 {
90 return Definition(); 95 return Definition();
91 } 96 }
92 97
93 G4PionMinus* G4PionMinus::PionMinus() << 98 G4PionMinus* G4PionMinus::PionMinus()
94 { 99 {
95 return Definition(); 100 return Definition();
96 } 101 }
>> 102
97 103