00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // $Id$ 00027 // 00028 //--------------------------------------------------------------------------- 00029 // 00030 // ClassName: G4NeutronTrackingCut 00031 // 00032 // Author: Nov 2006 G.Folger 00033 // 00034 // 00035 //---------------------------------------------------------------------------- 00036 // 00037 00038 #include "G4NeutronTrackingCut.hh" 00039 00040 #include "G4SystemOfUnits.hh" 00041 #include "G4ParticleDefinition.hh" 00042 #include "G4ProcessManager.hh" 00043 00044 #include "G4Neutron.hh" 00045 #include "G4NeutronKiller.hh" 00046 00047 // factory 00048 #include "G4PhysicsConstructorFactory.hh" 00049 // 00050 G4_DECLARE_PHYSCONSTR_FACTORY(G4NeutronTrackingCut); 00051 // 00052 00053 G4NeutronTrackingCut::G4NeutronTrackingCut(G4int ver) 00054 : G4VPhysicsConstructor("neutronTrackingCut") 00055 , verbose(ver), wasActivated(false) 00056 { 00057 timeLimit = 10.*microsecond; 00058 kineticEnergyLimit = 0.0; 00059 pNeutronKiller = 0; 00060 } 00061 00062 G4NeutronTrackingCut::G4NeutronTrackingCut(const G4String& name, G4int ver) 00063 : G4VPhysicsConstructor(name), verbose(ver), wasActivated(false) 00064 { 00065 timeLimit = 10.*microsecond; 00066 kineticEnergyLimit = 0.0; 00067 pNeutronKiller = 0; 00068 } 00069 00070 G4NeutronTrackingCut::~G4NeutronTrackingCut() 00071 { 00072 delete pNeutronKiller; 00073 } 00074 00075 void G4NeutronTrackingCut::ConstructParticle() 00076 { 00077 G4Neutron::NeutronDefinition(); 00078 } 00079 00080 void G4NeutronTrackingCut::ConstructProcess() 00081 { 00082 if(wasActivated) return; 00083 wasActivated = true; 00084 00085 // Add Process 00086 00087 pNeutronKiller = new G4NeutronKiller(); 00088 G4ParticleDefinition * particle = G4Neutron::Neutron(); 00089 G4ProcessManager * pmanager = particle->GetProcessManager(); 00090 00091 if(verbose > 0) { 00092 G4cout << "### Adding tracking cuts for " << particle->GetParticleName() 00093 << " TimeCut(ns)= " << timeLimit/ns 00094 << " KinEnergyCut(MeV)= " << kineticEnergyLimit/MeV 00095 << G4endl; 00096 } 00097 pmanager -> AddDiscreteProcess(pNeutronKiller); 00098 pNeutronKiller->SetKinEnergyLimit(kineticEnergyLimit); 00099 pNeutronKiller->SetTimeLimit(timeLimit); 00100 } 00101 00102