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// $Id: G4QGSCNeutronBuilder.cc,v 1.5 2009/03/31 11:03:50 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//
//---------------------------------------------------------------------------
//
// ClassName:   G4QGSCNeutronBuilder
//
// Author: 2002 J.P. Wellisch
//
// Modified:
// 30.03.2009 V.Ivanchenko create cross section by new
//
//----------------------------------------------------------------------------
//
#include "G4QGSCNeutronBuilder.hh"
#include "G4ParticleDefinition.hh"
#include "G4ParticleTable.hh"
#include "G4ProcessManager.hh"
#include "G4NeutronInelasticCrossSection.hh"

G4QGSCNeutronBuilder::
G4QGSCNeutronBuilder(G4bool quasiElastic) 
 {
   theMin = 8*GeV;
   theModel = new G4TheoFSGenerator("QGSC");

   theStringModel= new G4QGSModel< G4QGSParticipants >;
   theStringDecay = new G4ExcitedStringDecay(new G4QGSMFragmentation);
   theStringModel->SetFragmentationModel(theStringDecay);

   theCascade = new G4QStringChipsParticleLevelInterface;

   theModel->SetTransport(theCascade);
   theModel->SetHighEnergyGenerator(theStringModel);
   if (quasiElastic)
   {
      theQuasiElastic=new G4QuasiElasticChannel;
      theModel->SetQuasiElasticChannel(theQuasiElastic);
   } else 
   {  theQuasiElastic=0;}  
 }

G4QGSCNeutronBuilder::~G4QGSCNeutronBuilder() 
 {
   delete theStringDecay;
   delete theStringModel;
   delete theCascade;
  if ( theQuasiElastic ) delete theQuasiElastic;
   delete theModel;
 }

void G4QGSCNeutronBuilder::
Build(G4NeutronInelasticProcess * aP)
 {
   theModel->SetMinEnergy(theMin);
   theModel->SetMaxEnergy(100*TeV);
   aP->RegisterMe(theModel);
   aP->AddDataSet(new G4NeutronInelasticCrossSection);  
 }

 // 2002 by J.P. Wellisch