G4QGSPProtonBuilder.cc

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// $Id$
//
//---------------------------------------------------------------------------
//
// ClassName:   G4QGSPProtonBuilder
//
// Author: 2002 J.P. Wellisch
//
// Modified:
// 17.11.2010 G.Folger, use G4CrossSectionPairGG for relativistic rise of cross
//             section at high energies.
// 30.03.2009 V.Ivanchenko create cross section by new
//
//----------------------------------------------------------------------------
//
#include "G4QGSPProtonBuilder.hh"
#include "G4SystemOfUnits.hh"
#include "G4ParticleDefinition.hh"
#include "G4ParticleTable.hh"
#include "G4ProcessManager.hh"
#include "G4ProtonInelasticCrossSection.hh"
#include "G4BGGNucleonInelasticXS.hh"

G4QGSPProtonBuilder::
G4QGSPProtonBuilder(G4bool quasiElastic, G4bool projectileDiffraction) 
 {
   theMin = 12*GeV;
   theModel = new G4TheoFSGenerator("QGSP");

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

   theCascade = new G4GeneratorPrecompoundInterface;
   thePreEquilib = new G4PreCompoundModel(theHandler = new G4ExcitationHandler);
   theCascade->SetDeExcitation(thePreEquilib);  

   theModel->SetTransport(theCascade);
   theModel->SetHighEnergyGenerator(theStringModel);
   if (quasiElastic)
   {
      theQuasiElastic=new G4QuasiElasticChannel;
      theModel->SetQuasiElasticChannel(theQuasiElastic);
   } else 
   {  theQuasiElastic=0;}  
   if ( projectileDiffraction )
   {
      theProjectileDiffraction=new G4ProjectileDiffractiveChannel;
      theModel->SetProjectileDiffraction(theProjectileDiffraction);
   } else 
   {  theProjectileDiffraction=0;}
 }

void G4QGSPProtonBuilder::
Build(G4ProtonInelasticProcess * aP)
 {
   aP->AddDataSet(new G4BGGNucleonInelasticXS(G4Proton::Proton()));
   theModel->SetMinEnergy(theMin);
   theModel->SetMaxEnergy(100*TeV);
   aP->RegisterMe(theModel);
 }

void G4QGSPProtonBuilder::
Build(G4HadronElasticProcess * )
 {
 }

G4QGSPProtonBuilder::~G4QGSPProtonBuilder() 
 {
   delete thePreEquilib;
   delete theCascade;
   if ( theQuasiElastic ) delete theQuasiElastic;
   if ( theProjectileDiffraction ) delete theProjectileDiffraction;
   delete theStringDecay;
   delete theStringModel;
   delete theModel;
   delete theQGSM;
   //delete theHandler;
 }

 // 2002 by J.P. Wellisch