G4MuonVDNuclearModel Class Reference

#include <G4MuonVDNuclearModel.hh>

Inheritance diagram for G4MuonVDNuclearModel:

Public Member Functions
	G4MuonVDNuclearModel ()
	~G4MuonVDNuclearModel () override
G4HadFinalState *	ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &targetNucleus) override
void	ModelDescription (std::ostream &outFile) const override
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 &aTrack, G4Nucleus &targetNucleus)
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)
G4int	GetVerboseLevel () const
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
virtual const std::pair< G4double, G4double >	GetFatalEnergyCheckLevels () const
virtual std::pair< G4double, G4double >	GetEnergyMomentumCheckLevels () const
void	SetEnergyMomentumCheckLevels (G4double relativeLevel, G4double absoluteLevel)
virtual void	BuildPhysicsTable (const G4ParticleDefinition &)
virtual void	InitialiseModel ()
	G4HadronicInteraction (const G4HadronicInteraction &right)=delete
const G4HadronicInteraction &	operator= (const G4HadronicInteraction &right)=delete
G4bool	operator== (const G4HadronicInteraction &right) const =delete
G4bool	operator!= (const G4HadronicInteraction &right) const =delete

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 49 of file G4MuonVDNuclearModel.hh.

Constructor & Destructor Documentation

G4MuonVDNuclearModel()

G4MuonVDNuclearModel::G4MuonVDNuclearModel

(

)

Definition at line 72 of file G4MuonVDNuclearModel.cc.

  : G4HadronicInteraction("G4MuonVDNuclearModel")
{
  muNucXS = (G4KokoulinMuonNuclearXS*)G4CrossSectionDataSetRegistry::Instance()->
    GetCrossSectionDataSet(G4KokoulinMuonNuclearXS::Default_Name());
 
  SetMinEnergy(0.0);
  SetMaxEnergy(1*CLHEP::PeV);
  CutFixed = 0.2*CLHEP::GeV;
 
  if (nullptr == fElementData) { 
    fElementData = new G4ElementData(93);
    MakeSamplingTable();
  }
                    
  // reuse existing pre-compound model
  G4GeneratorPrecompoundInterface* precoInterface 
    = new G4GeneratorPrecompoundInterface();
  G4HadronicInteraction* p =
    G4HadronicInteractionRegistry::Instance()->FindModel("PRECO");
  G4VPreCompoundModel* pre = static_cast<G4VPreCompoundModel*>(p);
  if(nullptr == pre) { pre = new G4PreCompoundModel(); }
  precoInterface->SetDeExcitation(pre);
 
  // Build FTFP model
  ftfp = new G4TheoFSGenerator();
  ftfp->SetTransport(precoInterface);
  theFragmentation = new G4LundStringFragmentation();
  theStringDecay = new G4ExcitedStringDecay(theFragmentation);    
  G4FTFModel* theStringModel = new G4FTFModel;
  theStringModel->SetFragmentationModel(theStringDecay);
  ftfp->SetHighEnergyGenerator(theStringModel);
 
  // Build Bertini cascade
  bert = new G4CascadeInterface();
 
  // Creator model ID
  secID = G4PhysicsModelCatalog::GetModelID( "model_" + GetModelName() );
}

~G4MuonVDNuclearModel()

G4MuonVDNuclearModel::~G4MuonVDNuclearModel ( )

override

Definition at line 112 of file G4MuonVDNuclearModel.cc.

{
  delete theFragmentation;
  delete theStringDecay;
}

Member Function Documentation

ApplyYourself()

G4HadFinalState * G4MuonVDNuclearModel::ApplyYourself ( const G4HadProjectile & aTrack, G4Nucleus & targetNucleus )

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 119 of file G4MuonVDNuclearModel.cc.

{
  theParticleChange.Clear();
 
  // For very low energy, return initial track
  G4double epmax = aTrack.GetTotalEnergy() - 0.5*proton_mass_c2;
  if (epmax <= CutFixed) {
    theParticleChange.SetStatusChange(isAlive);
    theParticleChange.SetEnergyChange(aTrack.GetKineticEnergy());
    theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
    return &theParticleChange;
  }
 
  // Produce recoil muon and transferred photon
  G4DynamicParticle* transferredPhoton = CalculateEMVertex(aTrack, targetNucleus);
 
  // Interact the gamma with the nucleus
  CalculateHadronicVertex(transferredPhoton, targetNucleus);
  return &theParticleChange;
}

ModelDescription()

void G4MuonVDNuclearModel::ModelDescription ( std::ostream & outFile ) const

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 391 of file G4MuonVDNuclearModel.cc.

{
  outFile << "G4MuonVDNuclearModel handles the inelastic scattering\n"
          << "of mu- and mu+ 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 muon-nuclear cross sections of R. Kokoulin \n"
          << "are used to generate the virtual photon spectrum\n";
}

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

• G4MuonVDNuclearModel.hh
• G4MuonVDNuclearModel.cc