| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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4 // * 4 // * *
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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: G4Lambda.cc,v 1.14 2003/06/16 16:57:05 gunter Exp $
>> 25 // GEANT4 tag $Name: geant4-05-02 $
>> 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 // ******************************************* 33 // **********************************************************************
32 // New impelemenataion as an utility class M << 34 // Added particle definitions, H.Kurashige, 14 Feb 1997
33 // ------------------------------------------- 35 // ----------------------------------------------------------------------
34 36
>> 37 #include <fstream>
>> 38 #include <iomanip>
>> 39
35 #include "G4Lambda.hh" 40 #include "G4Lambda.hh"
36 41
37 #include "G4DecayTable.hh" <<
38 #include "G4ParticleTable.hh" <<
39 #include "G4PhaseSpaceDecayChannel.hh" 42 #include "G4PhaseSpaceDecayChannel.hh"
40 #include "G4PhysicalConstants.hh" << 43 #include "G4DecayTable.hh"
41 #include "G4String.hh" <<
42 #include "G4SystemOfUnits.hh" <<
43 #include "G4Types.hh" <<
44 #include "G4VDecayChannel.hh" <<
45 <<
46 G4Lambda* G4Lambda::theInstance = nullptr; <<
47 44
48 G4Lambda* G4Lambda::Definition() << 45 // ######################################################################
>> 46 // ### Lambda ###
>> 47 // ######################################################################
>> 48
>> 49 G4Lambda::G4Lambda(
>> 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 : G4VBaryon( aName,mass,width,charge,iSpin,iParity,
>> 60 iConjugation,iIsospin,iIsospin3,gParity,pType,
>> 61 lepton,baryon,encoding,stable,lifetime,decaytable )
49 { 62 {
50 if (theInstance != nullptr) return theInstan << 63 SetParticleSubType("lambda");
51 const G4String name = "lambda"; << 64 //create Decay Table
52 // search in particle table] << 65 G4DecayTable* table = GetDecayTable();
53 G4ParticleTable* pTable = G4ParticleTable::G << 66 if (table!=NULL) delete table;
54 G4ParticleDefinition* anInstance = pTable->F << 67 table = new G4DecayTable();
55 if (anInstance == nullptr) { << 68
56 // create particle << 69 // create decay channels
57 // << 70 G4VDecayChannel** mode = new G4VDecayChannel*[2];
58 // Arguments for constructor are as fol << 71 // lambda -> proton + pi-
59 // name mass << 72 mode[0] = new G4PhaseSpaceDecayChannel("lambda",0.639,2,"proton","pi-");
60 // 2*spin parity C- << 73 // lambda -> neutron + pi0
61 // 2*Isospin 2*Isospin3 << 74 mode[1] = new G4PhaseSpaceDecayChannel("lambda",0.358,2,"neutron","pi0");
62 // type lepton number ba << 75
63 // stable lifetime << 76 for (G4int index=0; index <2; index++ ) table->Insert(mode[index]);
64 // shortlived subType << 77 delete [] mode;
65 <<
66 // clang-format off <<
67 anInstance = new G4ParticleDefinition( <<
68 name, 1.115683*GeV, 2.501 <<
69 1, +1, <<
70 0, 0, <<
71 "baryon", 0, <<
72 false, 0.2631*ns, <<
73 false, "lambda"); <<
74 // clang-format on <<
75 <<
76 // Magnetic Moment <<
77 G4double mN = eplus * hbar_Planck / 2. / ( <<
78 anInstance->SetPDGMagneticMoment(-0.613 * <<
79 <<
80 // create Decay Table <<
81 auto table = new G4DecayTable(); <<
82 <<
83 // create decay channels <<
84 auto mode = new G4VDecayChannel*[2]; <<
85 // lambda -> proton + pi- <<
86 mode[0] = new G4PhaseSpaceDecayChannel("la <<
87 // lambda -> neutron + pi0 <<
88 mode[1] = new G4PhaseSpaceDecayChannel("la <<
89 <<
90 for (G4int index = 0; index < 2; index++) <<
91 table->Insert(mode[index]); <<
92 delete[] mode; <<
93 <<
94 anInstance->SetDecayTable(table); <<
95 } <<
96 theInstance = static_cast<G4Lambda*>(anInsta <<
97 return theInstance; <<
98 } <<
99 78
100 G4Lambda* G4Lambda::LambdaDefinition() << 79 SetDecayTable(table);
101 { <<
102 return Definition(); <<
103 } 80 }
104 81
105 G4Lambda* G4Lambda::Lambda() << 82 // ......................................................................
106 { << 83 // ... static member definitions ...
107 return Definition(); << 84 // ......................................................................
108 } << 85 //
>> 86 // Arguments for constructor are as follows
>> 87 // name mass width charge
>> 88 // 2*spin parity C-conjugation
>> 89 // 2*Isospin 2*Isospin3 G-parity
>> 90 // type lepton number baryon number PDG encoding
>> 91 // stable lifetime decay table
>> 92
>> 93 G4Lambda G4Lambda::theLambda(
>> 94 "lambda", 1.115684*GeV, 2.501e-12*MeV, 0.0,
>> 95 1, +1, 0,
>> 96 0, 0, 0,
>> 97 "baryon", 0, +1, 3122,
>> 98 false, 0.2632*ns, NULL
>> 99 );
>> 100
>> 101 G4Lambda* G4Lambda::LambdaDefinition(){return &theLambda;}
>> 102
>> 103 G4Lambda* G4Lambda::Lambda() {return &theLambda;}
>> 104
109 105