Geant4 Cross Reference |
1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer 3 // * License and Disclaimer * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . 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 // >> 27 // $Id: G4Eta.cc,v 1.18 2006/10/12 10:59:45 kurasige Exp $ >> 28 // GEANT4 tag $Name: geant4-09-01 $ >> 29 // >> 30 // 26 // ------------------------------------------- 31 // ---------------------------------------------------------------------- 27 // GEANT 4 class implementation file 32 // GEANT 4 class implementation file 28 // 33 // 29 // History: first implementation, based o 34 // History: first implementation, based on object model of 30 // 4th April 1996, G.Cosmo 35 // 4th April 1996, G.Cosmo 31 // H.Kurashige 36 // H.Kurashige 7 Jul 96 32 // ******************************************* 37 // ********************************************************************** 33 // New impelemenataion as an utility class M 38 // New impelemenataion as an utility class M.Asai, 26 July 2004 34 // ------------------------------------------- 39 // ---------------------------------------------------------------------- 35 // Update mass (PDG2006) Oct << 40 // Update mass (PDG2006) Oct. 11 2006 H.Kurashige 36 // 41 // 37 42 38 #include "G4Eta.hh" 43 #include "G4Eta.hh" 39 << 40 #include "G4DecayTable.hh" << 41 #include "G4ParticleTable.hh" 44 #include "G4ParticleTable.hh" >> 45 42 #include "G4PhaseSpaceDecayChannel.hh" 46 #include "G4PhaseSpaceDecayChannel.hh" 43 #include "G4String.hh" << 47 #include "G4DecayTable.hh" 44 #include "G4SystemOfUnits.hh" << 45 #include "G4Types.hh" << 46 #include "G4VDecayChannel.hh" << 47 48 48 G4Eta* G4Eta::theInstance = nullptr; << 49 // ###################################################################### >> 50 // ### ETA ### >> 51 // ###################################################################### >> 52 >> 53 G4Eta* G4Eta::theInstance = 0; 49 54 50 G4Eta* G4Eta::Definition() 55 G4Eta* G4Eta::Definition() 51 { 56 { 52 if (theInstance != nullptr) return theInstan << 57 if (theInstance !=0) return theInstance; 53 const G4String name = "eta"; 58 const G4String name = "eta"; 54 // search in particle table] 59 // search in particle table] 55 G4ParticleTable* pTable = G4ParticleTable::G 60 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable(); 56 G4ParticleDefinition* anInstance = pTable->F 61 G4ParticleDefinition* anInstance = pTable->FindParticle(name); 57 if (anInstance == nullptr) { << 62 if (anInstance ==0) 58 // create particle << 63 { 59 // << 64 // create particle 60 // Arguments for constructor are as fol << 65 // 61 // name mass << 66 // Arguments for constructor are as follows 62 // 2*spin parity C- << 67 // name mass width charge 63 // 2*Isospin 2*Isospin3 << 68 // 2*spin parity C-conjugation 64 // type lepton number ba << 69 // 2*Isospin 2*Isospin3 G-parity 65 // stable lifetime << 70 // type lepton number baryon number PDG encoding 66 // shortlived subType << 71 // stable lifetime decay table >> 72 // shortlived subType anti_encoding 67 73 68 // clang-format off << 69 anInstance = new G4ParticleDefinition( 74 anInstance = new G4ParticleDefinition( 70 name, 0.547862*GeV, 1 << 75 name, 0.54751*GeV, 1.30*keV, 0.0, 71 0, -1, 76 0, -1, +1, 72 0, 0, 77 0, 0, +1, 73 "meson", 0, 78 "meson", 0, 0, 221, 74 false, 0.0*ns, << 79 false, 0.0*ns, NULL, 75 false, "eta", 80 false, "eta", 221); 76 // clang-format on << 81 //create Decay Table >> 82 G4DecayTable* table = new G4DecayTable(); 77 83 78 // create Decay Table << 84 // create decay channels 79 auto table = new G4DecayTable(); << 85 G4VDecayChannel** mode = new G4VDecayChannel*[4]; >> 86 // eta -> gamma + gamma >> 87 mode[0] = new G4PhaseSpaceDecayChannel("eta",0.3942,2,"gamma","gamma"); >> 88 // eta -> pi0 + pi0 + pi0 >> 89 mode[1] = new G4PhaseSpaceDecayChannel("eta",0.3256,3,"pi0","pi0","pi0"); >> 90 // eta -> pi0 + pi+ + pi- >> 91 mode[2] = new G4PhaseSpaceDecayChannel("eta",0.226,3,"pi0","pi+","pi-"); >> 92 // eta -> gamma + pi+ + pi- >> 93 mode[3] = new G4PhaseSpaceDecayChannel("eta",0.0468,3,"gamma","pi+","pi-"); 80 94 81 // create decay channels << 95 for (G4int index=0; index <4; index++ ) table->Insert(mode[index]); 82 auto mode = new G4VDecayChannel*[4]; << 96 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 97 96 anInstance->SetDecayTable(table); << 98 anInstance->SetDecayTable(table); 97 } 99 } 98 theInstance = static_cast<G4Eta*>(anInstance << 100 theInstance = reinterpret_cast<G4Eta*>(anInstance); 99 return theInstance; 101 return theInstance; 100 } 102 } 101 103 102 G4Eta* G4Eta::EtaDefinition() << 104 G4Eta* G4Eta::EtaDefinition() 103 { 105 { 104 return Definition(); 106 return Definition(); 105 } 107 } 106 108 107 G4Eta* G4Eta::Eta() << 109 G4Eta* G4Eta::Eta() 108 { 110 { 109 return Definition(); 111 return Definition(); 110 } 112 } >> 113 111 114