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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
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 *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 //
>> 27 //
>> 28 //
26 // ------------------------------------------- 29 // ----------------------------------------------------------------------
27 // GEANT 4 class implementation file 30 // GEANT 4 class implementation file
28 // 31 //
29 // History: first implementation, based o 32 // History: first implementation, based on object model of
30 // 4th April 1996, G.Cosmo 33 // 4th April 1996, G.Cosmo
31 // ******************************************* 34 // **********************************************************************
32 // New impelemenataion as an utility class M 35 // New impelemenataion as an utility class M.Asai, 26 July 2004
33 // ------------------------------------------- 36 // ----------------------------------------------------------------------
34 37
35 #include "G4PionPlus.hh" 38 #include "G4PionPlus.hh"
36 << 39 #include "G4SystemOfUnits.hh"
37 #include "G4DecayTable.hh" <<
38 #include "G4ParticleTable.hh" 40 #include "G4ParticleTable.hh"
>> 41
39 #include "G4PhaseSpaceDecayChannel.hh" 42 #include "G4PhaseSpaceDecayChannel.hh"
40 #include "G4String.hh" << 43 #include "G4DecayTable.hh"
41 #include "G4SystemOfUnits.hh" <<
42 #include "G4VDecayChannel.hh" <<
43 44
44 G4PionPlus* G4PionPlus::theInstance = nullptr; << 45 // ######################################################################
>> 46 // ### PIONPLUS ###
>> 47 // ######################################################################
>> 48
>> 49 G4PionPlus* G4PionPlus::theInstance = 0;
45 50
46 G4PionPlus* G4PionPlus::Definition() 51 G4PionPlus* G4PionPlus::Definition()
47 { 52 {
48 if (theInstance != nullptr) return theInstan << 53 if (theInstance !=0) return theInstance;
49 const G4String name = "pi+"; 54 const G4String name = "pi+";
50 // search in particle table] 55 // search in particle table]
51 G4ParticleTable* pTable = G4ParticleTable::G 56 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
52 G4ParticleDefinition* anInstance = pTable->F 57 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
53 if (anInstance == nullptr) { << 58 if (anInstance ==0)
54 // create particle << 59 {
55 // << 60 // create particle
56 // Arguments for constructor are as fol << 61 //
57 // name mass << 62 // Arguments for constructor are as follows
58 // 2*spin parity C- << 63 // name mass width charge
59 // 2*Isospin 2*Isospin3 << 64 // 2*spin parity C-conjugation
60 // type lepton number ba << 65 // 2*Isospin 2*Isospin3 G-parity
61 // stable lifetime << 66 // type lepton number baryon number PDG encoding
62 // shortlived subType << 67 // stable lifetime decay table
>> 68 // shortlived subType anti_encoding
63 69
64 // clang-format off <<
65 anInstance = new G4ParticleDefinition( 70 anInstance = new G4ParticleDefinition(
66 name, 0.1395701*GeV, 2.528 71 name, 0.1395701*GeV, 2.5284e-14*MeV, +1.*eplus,
67 0, -1, 72 0, -1, 0,
68 2, +2, 73 2, +2, -1,
69 "meson", 0, 74 "meson", 0, 0, 211,
70 false, 26.033*ns, << 75 false, 26.033*ns, NULL,
71 false, "pi"); 76 false, "pi");
72 // clang-format on <<
73 77
74 // create Decay Table << 78 //create Decay Table
75 auto table = new G4DecayTable(); << 79 G4DecayTable* table = new G4DecayTable();
76 80
77 // create a decay channel << 81 // create a decay channel
78 // pi+ -> mu+ + nu_mu << 82 // pi+ -> mu+ + nu_mu
79 G4VDecayChannel* mode = new G4PhaseSpaceDe << 83 G4VDecayChannel* mode = new G4PhaseSpaceDecayChannel("pi+",1.00,2,"mu+","nu_mu");
80 table->Insert(mode); << 84 table->Insert(mode);
81 85
82 anInstance->SetDecayTable(table); << 86 anInstance->SetDecayTable(table);
83 } 87 }
84 theInstance = static_cast<G4PionPlus*>(anIns 88 theInstance = static_cast<G4PionPlus*>(anInstance);
85 return theInstance; 89 return theInstance;
86 } 90 }
87 91
88 G4PionPlus* G4PionPlus::PionPlusDefinition() << 92 G4PionPlus* G4PionPlus::PionPlusDefinition()
89 { 93 {
90 return Definition(); 94 return Definition();
91 } 95 }
92 96
93 G4PionPlus* G4PionPlus::PionPlus() << 97 G4PionPlus* G4PionPlus::PionPlus()
94 { 98 {
95 return Definition(); 99 return Definition();
96 } 100 }
>> 101
97 102