#include <G4ElectroVDNuclearModel.hh>

Inheritance diagram for G4ElectroVDNuclearModel:

Public Member Functions
	G4ElectroVDNuclearModel ()

	~G4ElectroVDNuclearModel ()

G4HadFinalState *	ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &aTargetNucleus)

virtual void	ModelDescription (std::ostream &outFile) const

Public Member Functions inherited from G4HadronicInteraction
	G4HadronicInteraction (const G4String &modelName="HadronicModel")

virtual	~G4HadronicInteraction ()

virtual G4double	SampleInvariantT (const G4ParticleDefinition *p, G4double plab, G4int Z, G4int A)

virtual G4bool	IsApplicable (const G4HadProjectile &, G4Nucleus &)

G4double	GetMinEnergy () const

G4double	GetMinEnergy (const G4Material aMaterial, const G4Element anElement) const

void	SetMinEnergy (G4double anEnergy)

void	SetMinEnergy (G4double anEnergy, const G4Element *anElement)

void	SetMinEnergy (G4double anEnergy, const G4Material *aMaterial)

G4double	GetMaxEnergy () const

G4double	GetMaxEnergy (const G4Material aMaterial, const G4Element anElement) const

void	SetMaxEnergy (const G4double anEnergy)

void	SetMaxEnergy (G4double anEnergy, const G4Element *anElement)

void	SetMaxEnergy (G4double anEnergy, const G4Material *aMaterial)

const G4HadronicInteraction *	GetMyPointer () const

virtual G4int	GetVerboseLevel () const

virtual void	SetVerboseLevel (G4int value)

const G4String &	GetModelName () const

void	DeActivateFor (const G4Material *aMaterial)

void	ActivateFor (const G4Material *aMaterial)

void	DeActivateFor (const G4Element *anElement)

void	ActivateFor (const G4Element *anElement)

G4bool	IsBlocked (const G4Material *aMaterial) const

G4bool	IsBlocked (const G4Element *anElement) const

void	SetRecoilEnergyThreshold (G4double val)

G4double	GetRecoilEnergyThreshold () const

G4bool	operator== (const G4HadronicInteraction &right) const

G4bool	operator!= (const G4HadronicInteraction &right) const

virtual const std::pair < G4double, G4double >	GetFatalEnergyCheckLevels () const

virtual std::pair< G4double, G4double >	GetEnergyMomentumCheckLevels () const

void	SetEnergyMomentumCheckLevels (G4double relativeLevel, G4double absoluteLevel)

Additional Inherited Members
Protected Member Functions inherited from G4HadronicInteraction
void	SetModelName (const G4String &nam)

G4bool	IsBlocked () const

void	Block ()

Protected Attributes inherited from G4HadronicInteraction
G4HadFinalState	theParticleChange

G4int	verboseLevel

G4double	theMinEnergy

G4double	theMaxEnergy

G4bool	isBlocked

Detailed Description

Definition at line 56 of file G4ElectroVDNuclearModel.hh.

Constructor & Destructor Documentation

G4ElectroVDNuclearModel::G4ElectroVDNuclearModel ( )

Definition at line 63 of file G4ElectroVDNuclearModel.cc.

References G4PhotoNuclearCrossSection::Default_Name(), G4ElectroNuclearCrossSection::Default_Name(), G4CrossSectionDataSetRegistry::Instance(), python.hepunit::PeV, G4VIntraNuclearTransportModel::SetDeExcitation(), G4VPartonStringModel::SetFragmentationModel(), G4TheoFSGenerator::SetHighEnergyGenerator(), G4HadronicInteraction::SetMaxEnergy(), G4HadronicInteraction::SetMinEnergy(), and G4TheoFSGenerator::SetTransport().

  : G4HadronicInteraction("G4ElectroVDNuclearModel"),
    leptonKE(0.0), photonEnergy(0.0), photonQ2(0.0)
 {
     SetMinEnergy(0.0);
     SetMaxEnergy(1*PeV);
     
     electroXS = (G4ElectroNuclearCrossSection*)G4CrossSectionDataSetRegistry::Instance()->
     GetCrossSectionDataSet(G4ElectroNuclearCrossSection::Default_Name());
     gammaXS = (G4PhotoNuclearCrossSection*)G4CrossSectionDataSetRegistry::Instance()->
     GetCrossSectionDataSet(G4PhotoNuclearCrossSection::Default_Name());
     ftfp = new G4TheoFSGenerator();
     precoInterface = new G4GeneratorPrecompoundInterface();
     theHandler = new G4ExcitationHandler();
     preEquilib = new G4PreCompoundModel(theHandler);
     precoInterface->SetDeExcitation(preEquilib);
     ftfp->SetTransport(precoInterface);
     theFragmentation = new G4LundStringFragmentation();
     theStringDecay = new G4ExcitedStringDecay(theFragmentation);
     theStringModel = new G4FTFModel();
     theStringModel->SetFragmentationModel(theStringDecay);
     ftfp->SetHighEnergyGenerator(theStringModel);
     
     // Build Bertini model
     bert = new G4CascadeInterface();
 }

G4ElectroVDNuclearModel::~G4ElectroVDNuclearModel ( )

Definition at line 91 of file G4ElectroVDNuclearModel.cc.

 {
   delete ftfp;
   delete preEquilib;
   delete theFragmentation;
   delete theStringDecay;
   delete theStringModel;
   delete bert;
 }

Member Function Documentation

G4HadFinalState * G4ElectroVDNuclearModel::ApplyYourself	(	const G4HadProjectile &	aTrack,
		G4Nucleus &	aTargetNucleus
	)

virtual

Implements G4HadronicInteraction.

Definition at line 118 of file G4ElectroVDNuclearModel.cc.

References G4HadFinalState::Clear(), G4HadProjectile::Get4Momentum(), G4HadProjectile::GetDefinition(), G4ElectroNuclearCrossSection::GetElementCrossSection(), G4ElectroNuclearCrossSection::GetEquivalentPhotonEnergy(), G4ElectroNuclearCrossSection::GetEquivalentPhotonQ2(), G4HadProjectile::GetKineticEnergy(), G4ParticleDefinition::GetPDGMass(), G4Nucleus::GetZ_asInt(), isAlive, G4Neutron::Neutron(), G4Proton::Proton(), G4HadFinalState::SetEnergyChange(), G4HadFinalState::SetMomentumChange(), G4HadFinalState::SetStatusChange(), G4HadronicInteraction::theParticleChange, CLHEP::Hep3Vector::unit(), and CLHEP::HepLorentzVector::vect().

 {
     // Set up default particle change (just returns initial state)
     theParticleChange.Clear();
     theParticleChange.SetStatusChange(isAlive);
     leptonKE = aTrack.GetKineticEnergy();
     theParticleChange.SetEnergyChange(leptonKE);
     theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit() );
     
     // Set up sanity checks for real photon production
     G4DynamicParticle lepton(aTrack.GetDefinition(), aTrack.Get4Momentum() );
     
     // Need to call GetElementCrossSection before calling GetEquivalentPhotonEnergy.
     G4Material* mat = 0;
     G4int targZ = targetNucleus.GetZ_asInt();
     electroXS->GetElementCrossSection(&lepton, targZ, mat);
     
     photonEnergy = electroXS->GetEquivalentPhotonEnergy();
     // Photon energy cannot exceed lepton energy
     if (photonEnergy < leptonKE) {
         photonQ2 = electroXS->GetEquivalentPhotonQ2(photonEnergy);
         G4double dM = G4Proton::Proton()->GetPDGMass() + G4Neutron::Neutron()->GetPDGMass();
         // Photon
         if (photonEnergy > photonQ2/dM) {
             // Produce recoil lepton and transferred photon
             G4DynamicParticle* transferredPhoton = CalculateEMVertex(aTrack, targetNucleus);
             // Interact gamma with nucleus
             if (transferredPhoton) CalculateHadronicVertex(transferredPhoton, targetNucleus);
         }
     }
     return &theParticleChange;
 }

void G4ElectroVDNuclearModel::ModelDescription ( std::ostream & outFile ) const

virtual

Reimplemented from G4HadronicInteraction.

Definition at line 102 of file G4ElectroVDNuclearModel.cc.

 {
   outFile << "G4ElectroVDNuclearModel handles the inelastic scattering\n"
           << "of e- and e+ from nuclei using the equivalent photon\n"
           << "approximation in which the incoming lepton generates a\n"
           << "virtual photon at the electromagnetic vertex, and the\n"
           << "virtual photon is converted to a real photon.  At low\n"
           << "energies, the photon interacts directly with the nucleus\n"
           << "using the Bertini cascade.  At high energies the photon\n"
           << "is converted to a pi0 which interacts using the FTFP\n"
           << "model.  The electro- and gamma-nuclear cross sections of\n"
           << "M. Kossov are used to generate the virtual photon spectrum\n";
 }

The documentation for this class was generated from the following files:

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation