| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer << 3 // * DISCLAIMER *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th << 5 // * The following disclaimer summarizes all the specific disclaimers *
6 // * the Geant4 Collaboration. It is provided << 6 // * of contributors to this software. The specific disclaimers,which *
7 // * conditions of the Geant4 Software License << 7 // * govern, are listed with their locations in: *
8 // * LICENSE and available at http://cern.ch/ << 8 // * http://cern.ch/geant4/license *
9 // * include a list of copyright holders. <<
10 // * 9 // * *
11 // * Neither the authors of this software syst 10 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 11 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 12 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 13 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file << 14 // * use. *
16 // * for the full disclaimer and the limitatio <<
17 // * 15 // * *
18 // * This code implementation is the result << 16 // * This code implementation is the intellectual property of the *
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 *
22 // * use in resulting scientific publicati << 20 // * statement, and all its terms. *
23 // * acceptance of all terms of the Geant4 Sof <<
24 // ******************************************* 21 // ********************************************************************
25 // 22 //
>> 23 //
>> 24 // $Id: G4Eta.cc,v 1.15 2005/01/14 03:49:15 asaim Exp $
>> 25 // GEANT4 tag $Name: geant4-08-00-patch-01 $
>> 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 // H.Kurashige 33 // H.Kurashige 7 Jul 96
32 // ******************************************* 34 // **********************************************************************
33 // New impelemenataion as an utility class M 35 // New impelemenataion as an utility class M.Asai, 26 July 2004
34 // ------------------------------------------- 36 // ----------------------------------------------------------------------
35 // Update mass (PDG2006) Oct <<
36 // <<
37 37
38 #include "G4Eta.hh" 38 #include "G4Eta.hh"
39 <<
40 #include "G4DecayTable.hh" <<
41 #include "G4ParticleTable.hh" 39 #include "G4ParticleTable.hh"
>> 40
42 #include "G4PhaseSpaceDecayChannel.hh" 41 #include "G4PhaseSpaceDecayChannel.hh"
43 #include "G4String.hh" << 42 #include "G4DecayTable.hh"
44 #include "G4SystemOfUnits.hh" <<
45 #include "G4Types.hh" <<
46 #include "G4VDecayChannel.hh" <<
47 43
48 G4Eta* G4Eta::theInstance = nullptr; << 44 // ######################################################################
>> 45 // ### ETA ###
>> 46 // ######################################################################
>> 47
>> 48 G4Eta* G4Eta::theInstance = 0;
49 49
50 G4Eta* G4Eta::Definition() 50 G4Eta* G4Eta::Definition()
51 { 51 {
52 if (theInstance != nullptr) return theInstan << 52 if (theInstance !=0) return theInstance;
53 const G4String name = "eta"; 53 const G4String name = "eta";
54 // search in particle table] 54 // search in particle table]
55 G4ParticleTable* pTable = G4ParticleTable::G 55 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
56 G4ParticleDefinition* anInstance = pTable->F 56 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
57 if (anInstance == nullptr) { << 57 if (anInstance ==0)
58 // create particle << 58 {
59 // << 59 // create particle
60 // Arguments for constructor are as fol << 60 //
61 // name mass << 61 // Arguments for constructor are as follows
62 // 2*spin parity C- << 62 // name mass width charge
63 // 2*Isospin 2*Isospin3 << 63 // 2*spin parity C-conjugation
64 // type lepton number ba << 64 // 2*Isospin 2*Isospin3 G-parity
65 // stable lifetime << 65 // type lepton number baryon number PDG encoding
66 // shortlived subType << 66 // stable lifetime decay table
>> 67 // shortlived subType anti_encoding
67 68
68 // clang-format off <<
69 anInstance = new G4ParticleDefinition( 69 anInstance = new G4ParticleDefinition(
70 name, 0.547862*GeV, 1 << 70 name, 0.54730*GeV, 1.18*keV, 0.0,
71 0, -1, 71 0, -1, +1,
72 0, 0, 72 0, 0, +1,
73 "meson", 0, 73 "meson", 0, 0, 221,
74 false, 0.0*ns, << 74 false, 0.0*ns, NULL,
75 false, "eta", 75 false, "eta", 221);
76 // clang-format on << 76 //create Decay Table
>> 77 G4DecayTable* table = new G4DecayTable();
77 78
78 // create Decay Table << 79 // create decay channels
79 auto table = new G4DecayTable(); << 80 G4VDecayChannel** mode = new G4VDecayChannel*[4];
>> 81 // eta -> gamma + gamma
>> 82 mode[0] = new G4PhaseSpaceDecayChannel("eta",0.393,2,"gamma","gamma");
>> 83 // eta -> pi0 + pi0 + pi0
>> 84 mode[1] = new G4PhaseSpaceDecayChannel("eta",0.321,3,"pi0","pi0","pi0");
>> 85 // eta -> pi0 + pi+ + pi-
>> 86 mode[2] = new G4PhaseSpaceDecayChannel("eta",0.232,3,"pi0","pi+","pi-");
>> 87 // eta -> gamma + pi+ + pi-
>> 88 mode[3] = new G4PhaseSpaceDecayChannel("eta",0.048,3,"gamma","pi+","pi-");
80 89
81 // create decay channels << 90 for (G4int index=0; index <4; index++ ) table->Insert(mode[index]);
82 auto mode = new G4VDecayChannel*[4]; << 91 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 92
96 anInstance->SetDecayTable(table); << 93 anInstance->SetDecayTable(table);
97 } 94 }
98 theInstance = static_cast<G4Eta*>(anInstance << 95 theInstance = reinterpret_cast<G4Eta*>(anInstance);
99 return theInstance; 96 return theInstance;
100 } 97 }
101 98
102 G4Eta* G4Eta::EtaDefinition() << 99 G4Eta* G4Eta::EtaDefinition()
103 { 100 {
104 return Definition(); 101 return Definition();
105 } 102 }
106 103
107 G4Eta* G4Eta::Eta() << 104 G4Eta* G4Eta::Eta()
108 { 105 {
109 return Definition(); 106 return Definition();
110 } 107 }
>> 108
111 109