Geant4 Cross Reference

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Geant4/physics_lists/builders/src/G4NeutronCrossSectionXS.cc

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 25 //
 26 //
 27 //---------------------------------------------------------------------------
 28 //
 29 // ClassName:   G4NeutronCrossSectionXS
 30 //
 31 // Author: 3 June 2010 V. Ivanchenko
 32 //
 33 // Modified:
 34 //
 35 //----------------------------------------------------------------------------
 36 //
 37 // Inelastic and capture cross section from XS database added
 38 // on top of existing Physics List
 39 
 40 #include "G4NeutronCrossSectionXS.hh"
 41 
 42 #include "G4NeutronInelasticXS.hh"
 43 #include "G4NeutronCaptureXS.hh"
 44 
 45 #include "G4ParticleDefinition.hh"
 46 #include "G4HadronicProcess.hh"
 47 #include "G4ProcessManager.hh"
 48 #include "G4ProcessVector.hh"
 49 #include "G4HadronicProcessType.hh"
 50 
 51 #include "G4Neutron.hh"
 52 #include "G4CrossSectionDataSetRegistry.hh"
 53 // factory
 54 #include "G4PhysicsConstructorFactory.hh"
 55 //
 56 G4_DECLARE_PHYSCONSTR_FACTORY(G4NeutronCrossSectionXS);
 57 
 58 
 59 G4NeutronCrossSectionXS::G4NeutronCrossSectionXS(G4int ver) :
 60   G4VPhysicsConstructor("NeutronXS"), verbose(ver) 
 61 {}
 62 
 63 G4NeutronCrossSectionXS::~G4NeutronCrossSectionXS() 
 64 {}
 65 
 66 void G4NeutronCrossSectionXS::ConstructParticle() 
 67 {
 68   G4Neutron::Neutron();
 69 }
 70 
 71 void G4NeutronCrossSectionXS::ConstructProcess() 
 72 {
 73 
 74   G4NeutronInelasticXS* xinel = (G4NeutronInelasticXS*)G4CrossSectionDataSetRegistry::Instance()->GetCrossSectionDataSet(G4NeutronInelasticXS::Default_Name());
 75     G4NeutronCaptureXS* xcap = (G4NeutronCaptureXS*)G4CrossSectionDataSetRegistry::Instance()->GetCrossSectionDataSet(G4NeutronCaptureXS::Default_Name());
 76 
 77   const G4ParticleDefinition* neutron = G4Neutron::Neutron();
 78   if(verbose > 1) {
 79     G4cout << "### G4NeutronCrossSectionXS: use alternative neutron X-sections"
 80      << G4endl;
 81   }
 82 
 83   G4ProcessVector* pv = neutron->GetProcessManager()->GetProcessList();
 84   G4int n = (G4int)pv->size();
 85   G4HadronicProcess* had = 0;
 86   for(G4int i=0; i<n; i++) {
 87     if(fHadronInelastic == ((*pv)[i])->GetProcessSubType()) {
 88       had = static_cast<G4HadronicProcess*>((*pv)[i]);
 89       had->AddDataSet(xinel);
 90     } else if(fCapture == ((*pv)[i])->GetProcessSubType()) {
 91       had = static_cast<G4HadronicProcess*>((*pv)[i]);
 92       had->AddDataSet(xcap);
 93     }
 94   }
 95 }
 96