| 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 1.11 2001/10/28 05:01:33 kurasige Exp $
>> 25 // GEANT4 tag $Name: geant4-05-00 $
>> 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
34 // ------------------------------------------- << 36 #include "g4std/fstream"
35 // Update mass (PDG2006) Oct << 37 #include "g4std/iomanip"
36 // <<
37 38
38 #include "G4Eta.hh" 39 #include "G4Eta.hh"
39 40
40 #include "G4DecayTable.hh" <<
41 #include "G4ParticleTable.hh" <<
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 <<
48 G4Eta* G4Eta::theInstance = nullptr; <<
49 43
50 G4Eta* G4Eta::Definition() << 44 // ######################################################################
>> 45 // ### ETA ###
>> 46 // ######################################################################
>> 47
>> 48
>> 49 G4Eta::G4Eta(
>> 50 const G4String& aName, G4double mass,
>> 51 G4double width, G4double charge,
>> 52 G4int iSpin, G4int iParity,
>> 53 G4int iConjugation, G4int iIsospin,
>> 54 G4int iIsospin3, G4int gParity,
>> 55 const G4String& pType, G4int lepton,
>> 56 G4int baryon, G4int encoding,
>> 57 G4bool stable, G4double lifetime,
>> 58 G4DecayTable *decaytable )
>> 59 : G4VMeson( aName,mass,width,charge,iSpin,iParity,
>> 60 iConjugation,iIsospin,iIsospin3,gParity,pType,
>> 61 lepton,baryon,encoding,stable,lifetime,decaytable )
51 { 62 {
52 if (theInstance != nullptr) return theInstan << 63 SetParticleSubType("eta");
53 const G4String name = "eta"; << 64 // Anti-particle of Eta is Eta itself
54 // search in particle table] << 65 SetAntiPDGEncoding(encoding);
55 G4ParticleTable* pTable = G4ParticleTable::G << 66
56 G4ParticleDefinition* anInstance = pTable->F << 67 SetPDGStable(false);
57 if (anInstance == nullptr) { << 68 //create Decay Table
58 // create particle << 69 G4DecayTable* table = GetDecayTable();
59 // << 70 if (table!=NULL) delete table;
60 // Arguments for constructor are as fol << 71 table = new G4DecayTable();
61 // name mass << 72
62 // 2*spin parity C- << 73 // create decay channels
63 // 2*Isospin 2*Isospin3 << 74 G4VDecayChannel** mode = new G4VDecayChannel*[4];
64 // type lepton number ba << 75 // eta -> gamma + gamma
65 // stable lifetime << 76 mode[0] = new G4PhaseSpaceDecayChannel("eta",0.393,2,"gamma","gamma");
66 // shortlived subType << 77 // eta -> pi0 + pi0 + pi0
67 << 78 mode[1] = new G4PhaseSpaceDecayChannel("eta",0.321,3,"pi0","pi0","pi0");
68 // clang-format off << 79 // eta -> pi0 + pi+ + pi-
69 anInstance = new G4ParticleDefinition( << 80 mode[2] = new G4PhaseSpaceDecayChannel("eta",0.232,3,"pi0","pi+","pi-");
70 name, 0.547862*GeV, 1 << 81 // eta -> gamma + pi+ + pi-
71 0, -1, << 82 mode[3] = new G4PhaseSpaceDecayChannel("eta",0.048,3,"gamma","pi+","pi-");
72 0, 0, <<
73 "meson", 0, <<
74 false, 0.0*ns, <<
75 false, "eta", <<
76 // clang-format on <<
77 <<
78 // create Decay Table <<
79 auto table = new G4DecayTable(); <<
80 <<
81 // create decay channels <<
82 auto mode = new G4VDecayChannel*[4]; <<
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 <<
96 anInstance->SetDecayTable(table); <<
97 } <<
98 theInstance = static_cast<G4Eta*>(anInstance <<
99 return theInstance; <<
100 } <<
101 83
102 G4Eta* G4Eta::EtaDefinition() << 84 for (G4int index=0; index <4; index++ ) table->Insert(mode[index]);
103 { << 85 delete [] mode;
104 return Definition(); << 86
>> 87 SetDecayTable(table);
105 } 88 }
106 89
107 G4Eta* G4Eta::Eta() << 90 // ......................................................................
>> 91 // ... static member definitions ...
>> 92 // ......................................................................
>> 93 //
>> 94 // Arguments for constructor are as follows
>> 95 // name mass width charge
>> 96 // 2*spin parity C-conjugation
>> 97 // 2*Isospin 2*Isospin3 G-parity
>> 98 // type lepton number baryon number PDG encoding
>> 99 // stable lifetime decay table
>> 100
>> 101 G4Eta G4Eta::theEta(
>> 102 "eta", 0.54730*GeV, 1.18*keV, 0.0,
>> 103 0, -1, +1,
>> 104 0, 0, +1,
>> 105 "meson", 0, 0, 221,
>> 106 false, 0.0*ns, NULL
>> 107 );
>> 108
>> 109 G4Eta* G4Eta::EtaDefinition(){return &theEta;}
>> 110 G4Eta* G4Eta::Eta(){return &theEta;}
>> 111
>> 112 // **********************************************************************
>> 113 // **************************** SetCuts *********************************
>> 114 // **********************************************************************
>> 115
>> 116 void G4Eta::CalcEnergyCuts( const G4Material* )
108 { 117 {
109 return Definition(); << 118
>> 119
>> 120 // Set Energy Cut values to lowest for all materials
>> 121 SetEnergyCutValues(LowestEnergy);
110 } 122 }
>> 123
>> 124
>> 125
111 126