| Geant4 Cross Reference |
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 *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
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 "G4SigmaZero.hh" 38 #include "G4SigmaZero.hh"
36 <<
37 #include "G4DecayTable.hh" <<
38 #include "G4ParticleTable.hh" <<
39 #include "G4PhaseSpaceDecayChannel.hh" <<
40 #include "G4PhysicalConstants.hh" 39 #include "G4PhysicalConstants.hh"
41 #include "G4String.hh" <<
42 #include "G4SystemOfUnits.hh" 40 #include "G4SystemOfUnits.hh"
43 #include "G4VDecayChannel.hh" << 41 #include "G4ParticleTable.hh"
44 42
45 G4SigmaZero* G4SigmaZero::theInstance = nullpt << 43 #include "G4PhaseSpaceDecayChannel.hh"
>> 44 #include "G4DecayTable.hh"
>> 45
>> 46 // ######################################################################
>> 47 // ### SigmaZero ###
>> 48 // ######################################################################
>> 49
>> 50 G4SigmaZero* G4SigmaZero::theInstance = 0;
46 51
47 G4SigmaZero* G4SigmaZero::Definition() 52 G4SigmaZero* G4SigmaZero::Definition()
48 { 53 {
49 if (theInstance != nullptr) return theInstan << 54 if (theInstance !=0) return theInstance;
50 const G4String name = "sigma0"; 55 const G4String name = "sigma0";
51 // search in particle table] 56 // search in particle table]
52 G4ParticleTable* pTable = G4ParticleTable::G 57 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
53 G4ParticleDefinition* anInstance = pTable->F 58 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
54 if (anInstance == nullptr) { << 59 if (anInstance ==0)
55 // create particle << 60 {
56 // << 61 // create particle
57 // Arguments for constructor are as fol << 62 //
58 // name mass << 63 // Arguments for constructor are as follows
59 // 2*spin parity C- << 64 // name mass width charge
60 // 2*Isospin 2*Isospin3 << 65 // 2*spin parity C-conjugation
61 // type lepton number ba << 66 // 2*Isospin 2*Isospin3 G-parity
62 // stable lifetime << 67 // type lepton number baryon number PDG encoding
63 // shortlived subType << 68 // stable lifetime decay table
>> 69 // shortlived subType anti_encoding
64 70
65 // clang-format off <<
66 anInstance = new G4ParticleDefinition( 71 anInstance = new G4ParticleDefinition(
67 name, 1.192642*GeV, 8.9 72 name, 1.192642*GeV, 8.9e-3*MeV, 0.0,
68 1, +1, 73 1, +1, 0,
69 2, 0, 74 2, 0, 0,
70 "baryon", 0, 75 "baryon", 0, +1, 3212,
71 false, 7.4e-11*ns, << 76 false, 7.4e-11*ns, NULL,
72 false, "sigma"); 77 false, "sigma");
73 // clang-format on << 78 // Life time is given from width
74 << 79 anInstance->SetPDGLifeTime( hbar_Planck/(anInstance->GetPDGWidth()) );
75 // Life time is given from width <<
76 anInstance->SetPDGLifeTime(hbar_Planck / ( <<
77 <<
78 // create Decay Table <<
79 auto table = new G4DecayTable(); <<
80 80
>> 81 //create Decay Table
>> 82 G4DecayTable* table = new G4DecayTable();
>> 83
81 // create decay channels 84 // create decay channels
82 // sigma0 -> lambda + gamma 85 // sigma0 -> lambda + gamma
83 G4VDecayChannel* mode = new G4PhaseSpaceDe << 86 G4VDecayChannel* mode = new G4PhaseSpaceDecayChannel("sigma0",1.000,2,"lambda","gamma");
84 << 87
85 table->Insert(mode); 88 table->Insert(mode);
86 << 89
87 anInstance->SetDecayTable(table); 90 anInstance->SetDecayTable(table);
88 } 91 }
89 theInstance = static_cast<G4SigmaZero*>(anIn 92 theInstance = static_cast<G4SigmaZero*>(anInstance);
90 return theInstance; 93 return theInstance;
91 } 94 }
92 95
93 G4SigmaZero* G4SigmaZero::SigmaZeroDefinition( << 96 G4SigmaZero* G4SigmaZero::SigmaZeroDefinition()
94 { 97 {
95 return Definition(); 98 return Definition();
96 } 99 }
97 100
98 G4SigmaZero* G4SigmaZero::SigmaZero() << 101 G4SigmaZero* G4SigmaZero::SigmaZero()
99 { 102 {
100 return Definition(); 103 return Definition();
101 } 104 }
>> 105
>> 106
102 107