Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // ------------------------------------------- 27 // GEANT 4 class implementation file 28 // 29 // Created Hisaya Kurashi 30 // ******************************************* 31 // New impelemenataion as an utility class M 32 // ------------------------------------------- 33 34 #include "G4JPsi.hh" 35 36 #include "G4ParticleTable.hh" 37 #include "G4String.hh" 38 #include "G4SystemOfUnits.hh" 39 40 G4JPsi* G4JPsi::theInstance = nullptr; 41 42 G4JPsi* G4JPsi::Definition() 43 { 44 if (theInstance != nullptr) return theInstan 45 const G4String name = "J/psi"; 46 // search in particle table] 47 G4ParticleTable* pTable = G4ParticleTable::G 48 G4ParticleDefinition* anInstance = pTable->F 49 if (anInstance == nullptr) { 50 // create particle 51 // 52 // Arguments for constructor are as fol 53 // name mass 54 // 2*spin parity C- 55 // 2*Isospin 2*Isospin3 56 // type lepton number ba 57 // stable lifetime 58 // shortlived subType 59 60 // clang-format off 61 anInstance = new G4ParticleDefinition( 62 name, 3.096916*GeV, 0.0 63 2, -1, 64 0, 0, 65 "meson", 0, 66 false, 0.0*ns, 67 false, "J/psi", 68 // clang-format on 69 } 70 theInstance = static_cast<G4JPsi*>(anInstanc 71 return theInstance; 72 } 73 74 G4JPsi* G4JPsi::JPsiDefinition() 75 { 76 return Definition(); 77 } 78 79 G4JPsi* G4JPsi::JPsi() 80 { 81 return Definition(); 82 } 83