G4IonPhysics.cc

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// $Id: G4IonPhysics.cc 80671 2014-05-06 13:59:16Z gcosmo $
// GEANT4 tag $Name: $
//
//---------------------------------------------------------------------------
//
// Class:    G4IonPhysics
//
// Author:      A.Ivanchenko 02.03.2011
//
// Modified: 
// 16.10.2012 A.Ribon: renamed G4IonFTFPBinaryCascadePhysics as G4IonPhysics     
//
//---------------------------------------------------------------------------

#include "G4IonPhysics.hh"
#include "G4SystemOfUnits.hh"
#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"
#include "G4Deuteron.hh"
#include "G4Triton.hh"
#include "G4He3.hh"
#include "G4Alpha.hh"
#include "G4GenericIon.hh"
#include "G4IonConstructor.hh"

#include "G4HadronInelasticProcess.hh"
#include "G4BinaryLightIonReaction.hh"
#include "G4ComponentGGNuclNuclXsc.hh"
#include "G4CrossSectionInelastic.hh"

#include "G4PreCompoundModel.hh"
#include "G4ExcitationHandler.hh"
#include "G4FTFBuilder.hh"
#include "G4HadronicInteraction.hh"
#include "G4BuilderType.hh"
#include "G4HadronicInteractionRegistry.hh"

using namespace std;

// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4IonPhysics);

G4ThreadLocal G4bool G4IonPhysics::wasActivated = false;
G4ThreadLocal G4BinaryLightIonReaction* G4IonPhysics::theIonBC = 0;
G4ThreadLocal G4HadronicInteraction*  G4IonPhysics::theFTFP = 0;
G4ThreadLocal G4VCrossSectionDataSet* G4IonPhysics::theNuclNuclData = 0; 
G4ThreadLocal G4VComponentCrossSection*  G4IonPhysics::theGGNuclNuclXS = 0;
G4ThreadLocal G4FTFBuilder* G4IonPhysics::theBuilder;

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

G4IonPhysics::G4IonPhysics(G4int ver)
  : G4VPhysicsConstructor("ionInelasticFTFP_BIC"),verbose(ver)
{
  SetPhysicsType(bIons);
  if(verbose > 1) { G4cout << "### G4IonPhysics" << G4endl; }
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

G4IonPhysics::G4IonPhysics(const G4String& nname)
  : G4VPhysicsConstructor(nname),verbose(1)
{
  SetPhysicsType(bIons);
  if(verbose > 1) { G4cout << "### G4IonPhysics" << G4endl; }
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

G4IonPhysics::~G4IonPhysics()
{
  //Explictly setting pointers to zero is actually needed.
  //These are static variables, in case we restart threads we need to re-create objects
  delete theBuilder; theBuilder = 0;
  delete theGGNuclNuclXS; theGGNuclNuclXS = 0;
  delete theNuclNuclData; theNuclNuclData = 0;
  delete theIonBC; theIonBC = 0;
  delete theFTFP; theFTFP = 0;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void G4IonPhysics::ConstructParticle()
{
  //  Construct ions
  G4IonConstructor pConstructor;
  pConstructor.ConstructParticle();
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void G4IonPhysics::ConstructProcess()
{
  if(wasActivated) { return; }
  wasActivated = true;

  G4double emax = 100.*TeV;

  G4HadronicInteraction* p =
    G4HadronicInteractionRegistry::Instance()->FindModel("PRECO");
  G4PreCompoundModel* thePreCompound = static_cast<G4PreCompoundModel*>(p); 
  if(!thePreCompound) { thePreCompound = new G4PreCompoundModel; }

  // Binary Cascade
  theIonBC = new G4BinaryLightIonReaction(thePreCompound);
  theIonBC->SetMinEnergy(0.0);
  theIonBC->SetMaxEnergy(4*GeV);

  // FTFP
  theBuilder = new G4FTFBuilder("FTFP",thePreCompound);
  theFTFP = theBuilder->GetModel();
  theFTFP->SetMinEnergy(2*GeV);
  theFTFP->SetMaxEnergy(emax);

  theNuclNuclData = 
    new G4CrossSectionInelastic( theGGNuclNuclXS = new G4ComponentGGNuclNuclXsc() );

  AddProcess("dInelastic", G4Deuteron::Deuteron(),false);
  AddProcess("tInelastic",G4Triton::Triton(),false);
  AddProcess("He3Inelastic",G4He3::He3(),true);
  AddProcess("alphaInelastic", G4Alpha::Alpha(),true);
  AddProcess("ionInelastic",G4GenericIon::GenericIon(),true);

  if(verbose > 1) {
    G4cout << "G4IonPhysics::ConstructProcess done! " 
     << G4endl;
  }
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void G4IonPhysics::AddProcess(const G4String& name, 
                 G4ParticleDefinition* part, 
                 G4bool )//isIon)
{
  G4HadronInelasticProcess* hadi = new G4HadronInelasticProcess(name, part);
  G4ProcessManager* pManager = part->GetProcessManager();
  pManager->AddDiscreteProcess(hadi);
    
  hadi->AddDataSet(theNuclNuclData);
    
  hadi->RegisterMe(theIonBC);
  hadi->RegisterMe(theFTFP);
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......