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Geant4/physics_lists/builders/src/G4FTFPNeutronBuilder.cc

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 25 //
 26 //
 27 //---------------------------------------------------------------------------
 28 //
 29 // ClassName:   G4FTFPNeutronBuilder
 30 //
 31 // Author: 2002 J.P. Wellisch
 32 //
 33 // Modified:
 34 // 18.11.2010 G.Folger, use G4CrossSectionPairGG for relativistic rise of cross
 35 //             section at high energies.
 36 // 30.03.2009 V.Ivanchenko create cross section by new
 37 // 12.04.2017 A.Dotti move to new design with base class
 38 //
 39 //----------------------------------------------------------------------------
 40 //
 41 #include "G4FTFPNeutronBuilder.hh"
 42 #include "G4SystemOfUnits.hh"
 43 #include "G4ParticleDefinition.hh"
 44 #include "G4ParticleTable.hh"
 45 #include "G4ProcessManager.hh"
 46 #include "G4NeutronInelasticXS.hh"
 47 #include "G4HadronicParameters.hh"
 48 
 49 
 50 G4FTFPNeutronBuilder::
 51 G4FTFPNeutronBuilder(G4bool quasiElastic) 
 52 {
 53   theMin = G4HadronicParameters::Instance()->GetMinEnergyTransitionFTF_Cascade();
 54   theMax = G4HadronicParameters::Instance()->GetMaxEnergy();
 55   theModel = new G4TheoFSGenerator("FTFP");
 56 
 57   G4FTFModel* theStringModel = new G4FTFModel();
 58   theStringModel->SetFragmentationModel(new G4ExcitedStringDecay());
 59 
 60   G4GeneratorPrecompoundInterface* theCascade = 
 61     new G4GeneratorPrecompoundInterface();
 62 
 63   theModel->SetHighEnergyGenerator(theStringModel);
 64   if (quasiElastic) {
 65      theModel->SetQuasiElasticChannel(new G4QuasiElasticChannel());
 66   } 
 67 
 68   theModel->SetTransport(theCascade);
 69   theModel->SetMinEnergy(theMin);
 70   theModel->SetMaxEnergy(theMax);
 71 }
 72 
 73 G4FTFPNeutronBuilder::
 74 ~G4FTFPNeutronBuilder() 
 75 {
 76 }
 77 
 78 void G4FTFPNeutronBuilder::
 79 Build(G4HadronInelasticProcess * aP)
 80 {
 81   theModel->SetMinEnergy(theMin);
 82   theModel->SetMaxEnergy(theMax);
 83   aP->RegisterMe(theModel);
 84   aP->AddDataSet(new G4NeutronInelasticXS());
 85 }
 86 
 87