| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
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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 *
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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 *
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 *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 //
>> 27 // $Id: G4Eta.cc,v 1.19 2008-09-18 08:37:27 kurasige Exp $
>> 28 // GEANT4 tag $Name: not supported by cvs2svn $
>> 29 //
>> 30 //
26 // ------------------------------------------- 31 // ----------------------------------------------------------------------
27 // GEANT 4 class implementation file 32 // GEANT 4 class implementation file
28 // 33 //
29 // History: first implementation, based o 34 // History: first implementation, based on object model of
30 // 4th April 1996, G.Cosmo 35 // 4th April 1996, G.Cosmo
31 // H.Kurashige 36 // H.Kurashige 7 Jul 96
32 // ******************************************* 37 // **********************************************************************
33 // New impelemenataion as an utility class M 38 // New impelemenataion as an utility class M.Asai, 26 July 2004
34 // ------------------------------------------- 39 // ----------------------------------------------------------------------
35 // Update mass (PDG2006) Oct << 40 // Update mass (PDG2006) Oct. 11 2006 H.Kurashige
36 // 41 //
37 42
38 #include "G4Eta.hh" 43 #include "G4Eta.hh"
39 <<
40 #include "G4DecayTable.hh" <<
41 #include "G4ParticleTable.hh" 44 #include "G4ParticleTable.hh"
>> 45
42 #include "G4PhaseSpaceDecayChannel.hh" 46 #include "G4PhaseSpaceDecayChannel.hh"
43 #include "G4String.hh" << 47 #include "G4DecayTable.hh"
44 #include "G4SystemOfUnits.hh" <<
45 #include "G4Types.hh" <<
46 #include "G4VDecayChannel.hh" <<
47 48
48 G4Eta* G4Eta::theInstance = nullptr; << 49 // ######################################################################
>> 50 // ### ETA ###
>> 51 // ######################################################################
>> 52
>> 53 G4Eta* G4Eta::theInstance = 0;
49 54
50 G4Eta* G4Eta::Definition() 55 G4Eta* G4Eta::Definition()
51 { 56 {
52 if (theInstance != nullptr) return theInstan << 57 if (theInstance !=0) return theInstance;
53 const G4String name = "eta"; 58 const G4String name = "eta";
54 // search in particle table] 59 // search in particle table]
55 G4ParticleTable* pTable = G4ParticleTable::G 60 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
56 G4ParticleDefinition* anInstance = pTable->F 61 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
57 if (anInstance == nullptr) { << 62 if (anInstance ==0)
58 // create particle << 63 {
59 // << 64 // create particle
60 // Arguments for constructor are as fol << 65 //
61 // name mass << 66 // Arguments for constructor are as follows
62 // 2*spin parity C- << 67 // name mass width charge
63 // 2*Isospin 2*Isospin3 << 68 // 2*spin parity C-conjugation
64 // type lepton number ba << 69 // 2*Isospin 2*Isospin3 G-parity
65 // stable lifetime << 70 // type lepton number baryon number PDG encoding
66 // shortlived subType << 71 // stable lifetime decay table
>> 72 // shortlived subType anti_encoding
67 73
68 // clang-format off <<
69 anInstance = new G4ParticleDefinition( 74 anInstance = new G4ParticleDefinition(
70 name, 0.547862*GeV, 1 << 75 name, 0.547853*GeV, 1.30*keV, 0.0,
71 0, -1, 76 0, -1, +1,
72 0, 0, 77 0, 0, +1,
73 "meson", 0, 78 "meson", 0, 0, 221,
74 false, 0.0*ns, << 79 false, 0.0*ns, NULL,
75 false, "eta", 80 false, "eta", 221);
76 // clang-format on << 81 //create Decay Table
>> 82 G4DecayTable* table = new G4DecayTable();
77 83
78 // create Decay Table << 84 // create decay channels
79 auto table = new G4DecayTable(); << 85 G4VDecayChannel** mode = new G4VDecayChannel*[4];
>> 86 // eta -> gamma + gamma
>> 87 mode[0] = new G4PhaseSpaceDecayChannel("eta",0.3942,2,"gamma","gamma");
>> 88 // eta -> pi0 + pi0 + pi0
>> 89 mode[1] = new G4PhaseSpaceDecayChannel("eta",0.3256,3,"pi0","pi0","pi0");
>> 90 // eta -> pi0 + pi+ + pi-
>> 91 mode[2] = new G4PhaseSpaceDecayChannel("eta",0.226,3,"pi0","pi+","pi-");
>> 92 // eta -> gamma + pi+ + pi-
>> 93 mode[3] = new G4PhaseSpaceDecayChannel("eta",0.0468,3,"gamma","pi+","pi-");
80 94
81 // create decay channels << 95 for (G4int index=0; index <4; index++ ) table->Insert(mode[index]);
82 auto mode = new G4VDecayChannel*[4]; << 96 delete [] mode;
83 // eta -> gamma + gamma <<
84 mode[0] = new G4PhaseSpaceDecayChannel("et <<
85 // eta -> pi0 + pi0 + pi0 <<
86 mode[1] = new G4PhaseSpaceDecayChannel("et <<
87 // eta -> pi0 + pi+ + pi- <<
88 mode[2] = new G4PhaseSpaceDecayChannel("et <<
89 // eta -> gamma + pi+ + pi- <<
90 mode[3] = new G4PhaseSpaceDecayChannel("et <<
91 <<
92 for (G4int index = 0; index < 4; index++) <<
93 table->Insert(mode[index]); <<
94 delete[] mode; <<
95 97
96 anInstance->SetDecayTable(table); << 98 anInstance->SetDecayTable(table);
97 } 99 }
98 theInstance = static_cast<G4Eta*>(anInstance << 100 theInstance = reinterpret_cast<G4Eta*>(anInstance);
99 return theInstance; 101 return theInstance;
100 } 102 }
101 103
102 G4Eta* G4Eta::EtaDefinition() << 104 G4Eta* G4Eta::EtaDefinition()
103 { 105 {
104 return Definition(); 106 return Definition();
105 } 107 }
106 108
107 G4Eta* G4Eta::Eta() << 109 G4Eta* G4Eta::Eta()
108 { 110 {
109 return Definition(); 111 return Definition();
110 } 112 }
>> 113
111 114