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1 // 1 //
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24 // ******************************************* 21 // ********************************************************************
25 // 22 //
>> 23 //
>> 24 // $Id: G4EtaPrime.cc,v 1.5.2.1 2001/06/28 19:10:56 gunter Exp $
>> 25 // GEANT4 tag $Name: $
>> 26 //
>> 27 //
26 // ------------------------------------------- 28 // ----------------------------------------------------------------
27 // GEANT 4 class implementation file 29 // GEANT 4 class implementation file
28 // 30 //
29 // History: first implementation, 8 June 31 // History: first implementation, 8 June 1998 Hisaya Kurashige
30 // ******************************************* << 32 // ----------------------------------------------------------------
31 // New impelemenataion as an utility class M << 33
32 // ------------------------------------------- << 34 #include "g4std/fstream"
33 // Update mass (PDG2006) Oc << 35 #include "g4std/iomanip"
34 // Update width (PDG2023) No <<
35 36
36 #include "G4EtaPrime.hh" 37 #include "G4EtaPrime.hh"
37 38
38 #include "G4DecayTable.hh" <<
39 #include "G4ParticleTable.hh" <<
40 #include "G4PhaseSpaceDecayChannel.hh" 39 #include "G4PhaseSpaceDecayChannel.hh"
41 #include "G4String.hh" << 40 #include "G4DecayTable.hh"
42 #include "G4SystemOfUnits.hh" <<
43 #include "G4Types.hh" <<
44 #include "G4VDecayChannel.hh" <<
45 <<
46 G4EtaPrime* G4EtaPrime::theInstance = nullptr; <<
47 41
48 G4EtaPrime* G4EtaPrime::Definition() << 42 // ######################################################################
>> 43 // ### EtaPrime ###
>> 44 // ######################################################################
>> 45
>> 46
>> 47 G4EtaPrime::G4EtaPrime(
>> 48 const G4String& aName, G4double mass,
>> 49 G4double width, G4double charge,
>> 50 G4int iSpin, G4int iParity,
>> 51 G4int iConjugation, G4int iIsospin,
>> 52 G4int iIsospin3, G4int gParity,
>> 53 const G4String& pType, G4int lepton,
>> 54 G4int baryon, G4int encoding,
>> 55 G4bool stable, G4double lifetime,
>> 56 G4DecayTable *decaytable )
>> 57 : G4VMeson( aName,mass,width,charge,iSpin,iParity,
>> 58 iConjugation,iIsospin,iIsospin3,gParity,pType,
>> 59 lepton,baryon,encoding,stable,lifetime,decaytable )
49 { 60 {
50 if (theInstance != nullptr) return theInstan << 61 SetParticleSubType("eta_prime");
51 const G4String name = "eta_prime"; << 62 // Anti-particle of EtaPrime is EtaPrime itself
52 // search in particle table] << 63 SetAntiPDGEncoding(encoding);
53 G4ParticleTable* pTable = G4ParticleTable::G << 64
54 G4ParticleDefinition* anInstance = pTable->F << 65 SetPDGStable(false);
55 if (anInstance == nullptr) { << 66
56 // create particle << 67 //create Decay Table
57 // << 68 G4DecayTable* table = GetDecayTable();
58 // Arguments for constructor are as fol << 69 if (table!=NULL) delete table;
59 // name mass << 70 table = new G4DecayTable();
60 // 2*spin parity C- << 71
61 // 2*Isospin 2*Isospin3 << 72 // create decay channels
62 // type lepton number ba << 73 G4VDecayChannel** mode = new G4VDecayChannel*[3];
63 // stable lifetime << 74 // EtaPrime -> eta + pi+ + pi-
64 // shortlived subType << 75 mode[0] = new G4PhaseSpaceDecayChannel("eta_prime",0.437,3,"eta","pi+","pi-");
65 << 76 // EtaPrime -> eta + pi0 + pi0
66 // clang-format off << 77 mode[1] = new G4PhaseSpaceDecayChannel("eta_prime",0.208,3,"eta","pi0","pi0");
67 anInstance = new G4ParticleDefinition( << 78 // EtaPrime -> rho0 + gamma
68 name, 0.95778*GeV, 0. << 79 mode[2] = new G4PhaseSpaceDecayChannel("eta_prime",0.302,2,"rho0","gamma");
69 0, -1, <<
70 0, 0, <<
71 "meson", 0, <<
72 false, 0.0*ns, <<
73 false, "eta_prime", <<
74 // clang-format on <<
75 <<
76 // create Decay Table <<
77 auto table = new G4DecayTable(); <<
78 <<
79 // create decay channels <<
80 auto mode = new G4VDecayChannel*[5]; <<
81 // EtaPrime -> eta + pi+ + pi- <<
82 mode[0] = new G4PhaseSpaceDecayChannel("et <<
83 // EtaPrime -> eta + pi0 + pi0 <<
84 mode[1] = new G4PhaseSpaceDecayChannel("et <<
85 // EtaPrime -> rho0 + gamma <<
86 mode[2] = new G4PhaseSpaceDecayChannel("et <<
87 <<
88 // EtaPrime -> gamma + gamma <<
89 mode[3] = new G4PhaseSpaceDecayChannel("et <<
90 <<
91 // EtaPrime -> omega + gamma <<
92 mode[4] = new G4PhaseSpaceDecayChannel("et <<
93 <<
94 for (G4int index = 0; index < 5; index++) <<
95 table->Insert(mode[index]); <<
96 delete[] mode; <<
97 80
98 anInstance->SetDecayTable(table); << 81 for (G4int index=0; index <3; index++ ) table->Insert(mode[index]);
99 } << 82 delete [] mode;
100 theInstance = static_cast<G4EtaPrime*>(anIns <<
101 return theInstance; <<
102 } <<
103 83
104 G4EtaPrime* G4EtaPrime::EtaPrimeDefinition() << 84 SetDecayTable(table);
105 { <<
106 return Definition(); <<
107 } 85 }
108 86
109 G4EtaPrime* G4EtaPrime::EtaPrime() << 87 // ......................................................................
>> 88 // ... static member definitions ...
>> 89 // ......................................................................
>> 90 //
>> 91 // Arguments for constructor are as follows
>> 92 // name mass width charge
>> 93 // 2*spin parity C-conjugation
>> 94 // 2*Isospin 2*Isospin3 G-parity
>> 95 // type lepton number baryon number PDG encoding
>> 96 // stable lifetime decay table
>> 97
>> 98 G4EtaPrime G4EtaPrime::theEtaPrime(
>> 99 "eta_prime", 0.95777*GeV, 0.203*MeV, 0.0,
>> 100 0, -1, +1,
>> 101 0, 0, +1,
>> 102 "meson", 0, 0, 331,
>> 103 false, 0.0*ns, NULL
>> 104 );
>> 105
>> 106 G4EtaPrime* G4EtaPrime::EtaPrimeDefinition(){return &theEtaPrime;}
>> 107 // initialization for static cut values
>> 108 G4double G4EtaPrime::theEtaPrimeLengthCut = -1.0;
>> 109 G4double* G4EtaPrime::theEtaPrimeKineticEnergyCuts = NULL;
>> 110
>> 111 // **********************************************************************
>> 112 // **************************** SetCuts *********************************
>> 113 // **********************************************************************
>> 114
>> 115 void G4EtaPrime::SetCuts(G4double aCut)
110 { 116 {
111 return Definition(); << 117 theCutInMaxInteractionLength = aCut;
>> 118
>> 119 const G4MaterialTable* materialTable = G4Material::GetMaterialTable();
>> 120 // Create the vector of cuts in energy
>> 121 // corresponding to the stopping range cut
>> 122 if(theKineticEnergyCuts) delete theKineticEnergyCuts;
>> 123 theKineticEnergyCuts = new G4double [materialTable->length()];
>> 124
>> 125 // Build range vector for every material, convert cut into energy-cut,
>> 126 // fill theKineticEnergyCuts and delete the range vector
>> 127 for (size_t J=0; J<materialTable->length(); J++)
>> 128 {
>> 129 theKineticEnergyCuts[J] = LowestEnergy;
>> 130 }
>> 131 theEtaPrimeLengthCut = theCutInMaxInteractionLength;
>> 132 theEtaPrimeKineticEnergyCuts = theKineticEnergyCuts;
112 } 133 }
>> 134
>> 135
>> 136
113 137