Import Geant4 10.7.0.beta source tree

examples/extended/hadronic/NeutronSource/src/GammaNuclearPhysics.cc

@@ -23,7 +23,7 @@
 // * acceptance of all terms of the Geant4 Software license.          *
 // ********************************************************************
 //
-/// \file GammaNuclearPhysics.cc
+/// \file hadronic/Hadr03/src/GammaNuclearPhysics.cc
 /// \brief Implementation of the GammaNuclearPhysics class
 //
 //
@@ -38,6 +38,7 @@
 // Processes
 
 #include "G4PhotoNuclearProcess.hh"
+#include "G4LowEGammaNuclearModel.hh"
 #include "G4CascadeInterface.hh"
 
 #include "G4SystemOfUnits.hh"
@@ -57,14 +58,26 @@ GammaNuclearPhysics::~GammaNuclearPhysics()
 
 void GammaNuclearPhysics::ConstructProcess()
 {
-   G4ProcessManager* pManager = G4Gamma::Gamma()->GetProcessManager();
-   //
    G4PhotoNuclearProcess* process = new G4PhotoNuclearProcess();
-   //
-   G4CascadeInterface* bertini = new G4CascadeInterface();
-   bertini->SetMaxEnergy(10*GeV);
-   process->RegisterMe(bertini);
-   //
+
+   // to not register a model, set Emax=0; eg. Emax1 = 0.
+   const G4double Emax1 = 200*MeV, Emax2 = 10*GeV;
+
+   if (Emax1 > 0.) {  // model 1
+     G4LowEGammaNuclearModel* model1 = new G4LowEGammaNuclearModel();
+     model1->SetMaxEnergy(Emax1);
+     process->RegisterMe(model1);
+   }
+   
+   if (Emax2 > 0.) {  // model 2   
+     G4CascadeInterface* model2 = new G4CascadeInterface();
+     G4double Emin2 = std::max(Emax1-1*MeV, 0.);
+     model2->SetMinEnergy(Emin2);   
+     model2->SetMaxEnergy(Emax2);
+     process->RegisterMe(model2);
+   }
+   
+   G4ProcessManager* pManager = G4Gamma::Gamma()->GetProcessManager();
    pManager->AddDiscreteProcess(process);
 }