Geant4 Cross Reference |
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These * 9 // * include a list of copyright holders. 9 // * include a list of copyright holders. * 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 * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 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 * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 // Author: 2021 Alberto Ribon 26 // Author: 2021 Alberto Ribon 27 // 27 // 28 //-------------------------------------------- 28 //---------------------------------------------------------------------------- 29 29 30 #include "G4AntiHyperHe5.hh" 30 #include "G4AntiHyperHe5.hh" 31 << 32 #include "G4DecayTable.hh" << 33 #include "G4ParticleTable.hh" << 34 #include "G4PhaseSpaceDecayChannel.hh" << 35 #include "G4PhysicalConstants.hh" 31 #include "G4PhysicalConstants.hh" 36 #include "G4String.hh" << 37 #include "G4SystemOfUnits.hh" 32 #include "G4SystemOfUnits.hh" 38 #include "G4Types.hh" << 33 #include "G4ParticleTable.hh" 39 #include "G4VDecayChannel.hh" << 34 >> 35 #include "G4PhaseSpaceDecayChannel.hh" >> 36 #include "G4DecayTable.hh" >> 37 >> 38 // ################################################################## >> 39 // ### ANTI HYPERHE5 ### >> 40 // ################################################################## 40 41 41 G4AntiHyperHe5* G4AntiHyperHe5::theInstance = 42 G4AntiHyperHe5* G4AntiHyperHe5::theInstance = nullptr; 42 43 43 G4AntiHyperHe5* G4AntiHyperHe5::Definition() << 44 44 { << 45 G4AntiHyperHe5* G4AntiHyperHe5::Definition() { 45 if (theInstance != nullptr) return theInstan << 46 if ( theInstance != nullptr ) return theInstance; 46 const G4String name = "anti_hyperHe5"; 47 const G4String name = "anti_hyperHe5"; 47 // search in particle table 48 // search in particle table 48 G4ParticleTable* pTable = G4ParticleTable::G 49 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable(); 49 auto anInstance = static_cast<G4Ions*>(pTabl << 50 G4Ions* anInstance = reinterpret_cast< G4Ions* >( pTable->FindParticle( name ) ); 50 if (anInstance == nullptr) { << 51 if ( anInstance == nullptr ) { 51 // create particle 52 // create particle 52 // 53 // 53 // Arguments for constructor are as fol 54 // Arguments for constructor are as follows 54 // name 55 // name mass width charge 55 // 2*spin 56 // 2*spin parity C-conjugation 56 // 2*Isospin 2 57 // 2*Isospin 2*Isospin3 G-parity 57 // type lept 58 // type lepton number baryon number PDG encoding 58 // stable 59 // stable lifetime decay table 59 // shortlived 60 // shortlived subType anti_encoding 60 // excitation << 61 // excitation 61 << 62 // clang-format off << 63 anInstance = new G4Ions( name, 48 62 anInstance = new G4Ions( name, 4840.00*MeV, 2.501e-12*MeV, -2.0*eplus, 64 3, 63 3, +1, 0, 65 0, 64 0, 0, 0, 66 "anti_nucleus", 65 "anti_nucleus", 0, -5, -1010020050, 67 false, 66 false, 0.2631*ns, nullptr, 68 false, "static", 67 false, "static", 1010020050, 69 0.0, 0 68 0.0, 0 ); 70 // clang-format on << 71 << 72 // Magnetic Moment 69 // Magnetic Moment 73 G4double mN = eplus * hbar_Planck / 2.0 / << 70 G4double mN = eplus*hbar_Planck/2.0/(proton_mass_c2 /c_squared); 74 anInstance->SetPDGMagneticMoment(2.9789624 << 71 anInstance->SetPDGMagneticMoment( 2.97896248 * mN ); 75 72 76 // create Decay Table 73 // create Decay Table 77 auto table = new G4DecayTable; << 74 G4DecayTable* table = new G4DecayTable; 78 // create decay channels 75 // create decay channels 79 /* 76 /* 80 // The decays "mode[1]" and "mode[3]" prod 77 // The decays "mode[1]" and "mode[3]" produce the secondaries "anti_Li5" and "anti_He5", 81 // respectively, which are not existing in 78 // respectively, which are not existing in Geant4: we therefore skip them for the time being 82 // (similarly for hyperHe5, to keep the sy 79 // (similarly for hyperHe5, to keep the symmetry between particle and anti-particle). 83 const G4double half_br_lambda_to_p_pim = 0 80 const G4double half_br_lambda_to_p_pim = 0.5*0.639; 84 const G4double half_br_lambda_to_n_piz = 0 81 const G4double half_br_lambda_to_n_piz = 0.5*0.358; 85 G4VDecayChannel** mode = new G4VDecayChann 82 G4VDecayChannel** mode = new G4VDecayChannel*[4]; 86 // anti_lambda -> anti_proton + pi+ , with 83 // anti_lambda -> anti_proton + pi+ , with 50% probability of capturing the anti_proton 87 mode[0] = new G4PhaseSpaceDecayChannel( "a 84 mode[0] = new G4PhaseSpaceDecayChannel( "anti_hyperHe5", half_br_lambda_to_p_pim, 3, 88 "a 85 "anti_alpha", "anti_proton", "pi+" ); 89 mode[1] = new G4PhaseSpaceDecayChannel( "a 86 mode[1] = new G4PhaseSpaceDecayChannel( "anti_hyperHe5", half_br_lambda_to_p_pim, 2, 90 "a 87 "anti_Li5", "pi+" ); 91 // anti_lambda -> anti_neutron + pi0 , wit 88 // anti_lambda -> anti_neutron + pi0 , with 50% probability of capturing the anti_neutron 92 mode[2] = new G4PhaseSpaceDecayChannel( "a 89 mode[2] = new G4PhaseSpaceDecayChannel( "anti_hyperHe5", half_br_lambda_to_n_piz, 3, 93 "a 90 "anti_alpha", "anti_neutron", "pi0" ); 94 mode[3] = new G4PhaseSpaceDecayChannel( "a 91 mode[3] = new G4PhaseSpaceDecayChannel( "anti_hyperHe5", half_br_lambda_to_n_piz, 2, 95 "a 92 "anti_He5", "pi0" ); 96 for ( G4int index = 0; index < 4; ++index 93 for ( G4int index = 0; index < 4; ++index ) table->Insert( mode[index] ); 97 */ 94 */ 98 // Replacement decay for the time being << 95 // Replacement decay for the time being 99 const G4double br_lambda_to_p_pim = 0.639; 96 const G4double br_lambda_to_p_pim = 0.639; 100 const G4double br_lambda_to_n_piz = 0.358; 97 const G4double br_lambda_to_n_piz = 0.358; 101 auto mode = new G4VDecayChannel*[2]; << 98 G4VDecayChannel** mode = new G4VDecayChannel*[2]; 102 // anti_lambda -> anti_proton + pi+ , with 99 // anti_lambda -> anti_proton + pi+ , with 0% probability of capturing the anti_proton 103 mode[0] = new G4PhaseSpaceDecayChannel("an << 100 mode[0] = new G4PhaseSpaceDecayChannel( "anti_hyperHe5", br_lambda_to_p_pim, 3, 104 "an << 101 "anti_alpha", "anti_proton", "pi+" ); 105 // anti_lambda -> anti_neutron + pi0 , wit 102 // anti_lambda -> anti_neutron + pi0 , with 0% probability of capturing the anti_neutron 106 mode[1] = new G4PhaseSpaceDecayChannel("an << 103 mode[1] = new G4PhaseSpaceDecayChannel( "anti_hyperHe5", br_lambda_to_n_piz, 3, 107 "an << 104 "anti_alpha", "anti_neutron", "pi0" ); 108 for (G4int index = 0; index < 2; ++index) << 105 for ( G4int index = 0; index < 2; ++index ) table->Insert( mode[index] ); 109 table->Insert(mode[index]); << 110 //--- 106 //--- 111 delete[] mode; << 107 delete [] mode; 112 anInstance->SetDecayTable(table); << 108 anInstance->SetDecayTable( table ); 113 } 109 } 114 theInstance = static_cast<G4AntiHyperHe5*>(a << 110 theInstance = reinterpret_cast< G4AntiHyperHe5* >( anInstance ); 115 return theInstance; 111 return theInstance; 116 } 112 } 117 113 118 G4AntiHyperHe5* G4AntiHyperHe5::AntiHyperHe5De << 114 119 { << 115 G4AntiHyperHe5* G4AntiHyperHe5::AntiHyperHe5Definition() { 120 return Definition(); 116 return Definition(); 121 } 117 } 122 118 123 G4AntiHyperHe5* G4AntiHyperHe5::AntiHyperHe5() << 119 124 { << 120 G4AntiHyperHe5* G4AntiHyperHe5::AntiHyperHe5() { 125 return Definition(); 121 return Definition(); 126 } 122 } 127 123