#include <G4PolarizedGammaConversionModel.hh>

Inheritance diagram for G4PolarizedGammaConversionModel:

Public Member Functions
	G4PolarizedGammaConversionModel (const G4ParticleDefinition *p=nullptr, const G4String &nam="polConv")

virtual	~G4PolarizedGammaConversionModel ()

virtual void	Initialise (const G4ParticleDefinition *, const G4DataVector &) override

virtual void	SampleSecondaries (std::vector< G4DynamicParticle * > , const G4MaterialCutsCouple , const G4DynamicParticle *, G4double tmin, G4double maxEnergy) override

const G4Element *	SelectedAtom ()

Public Member Functions inherited from G4BetheHeitlerModel
	G4BetheHeitlerModel (const G4ParticleDefinition *p=0, const G4String &nam="BetheHeitler")

virtual	~G4BetheHeitlerModel ()

virtual void	Initialise (const G4ParticleDefinition *, const G4DataVector &) override

virtual void	InitialiseLocal (const G4ParticleDefinition , G4VEmModel masterModel) override

virtual G4double	ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0., G4double cut=0., G4double emax=DBL_MAX) override

virtual void	SampleSecondaries (std::vector< G4DynamicParticle * > , const G4MaterialCutsCouple , const G4DynamicParticle *, G4double tmin, G4double maxEnergy) override

Public Member Functions inherited from G4VEmModel
	G4VEmModel (const G4String &nam)

virtual	~G4VEmModel ()

virtual void	Initialise (const G4ParticleDefinition *, const G4DataVector &)=0

virtual void	SampleSecondaries (std::vector< G4DynamicParticle * > , const G4MaterialCutsCouple , const G4DynamicParticle *, G4double tmin=0.0, G4double tmax=DBL_MAX)=0

virtual void	InitialiseLocal (const G4ParticleDefinition , G4VEmModel masterModel)

virtual void	InitialiseForMaterial (const G4ParticleDefinition , const G4Material )

virtual void	InitialiseForElement (const G4ParticleDefinition *, G4int Z)

virtual G4double	ComputeDEDXPerVolume (const G4Material , const G4ParticleDefinition , G4double kineticEnergy, G4double cutEnergy=DBL_MAX)

virtual G4double	CrossSectionPerVolume (const G4Material , const G4ParticleDefinition , G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)

virtual G4double	GetPartialCrossSection (const G4Material , G4int level, const G4ParticleDefinition , G4double kineticEnergy)

virtual G4double	ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0., G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)

virtual G4double	ComputeCrossSectionPerShell (const G4ParticleDefinition *, G4int Z, G4int shellIdx, G4double kinEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)

virtual G4double	ChargeSquareRatio (const G4Track &)

virtual G4double	GetChargeSquareRatio (const G4ParticleDefinition , const G4Material , G4double kineticEnergy)

virtual G4double	GetParticleCharge (const G4ParticleDefinition , const G4Material , G4double kineticEnergy)

virtual void	StartTracking (G4Track *)

virtual void	CorrectionsAlongStep (const G4MaterialCutsCouple , const G4DynamicParticle , G4double &eloss, G4double &niel, G4double length)

virtual G4double	Value (const G4MaterialCutsCouple , const G4ParticleDefinition , G4double kineticEnergy)

virtual G4double	MinPrimaryEnergy (const G4Material , const G4ParticleDefinition , G4double cut=0.0)

virtual G4double	MinEnergyCut (const G4ParticleDefinition , const G4MaterialCutsCouple )

virtual void	SetupForMaterial (const G4ParticleDefinition , const G4Material , G4double kineticEnergy)

virtual void	DefineForRegion (const G4Region *)

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

void	InitialiseElementSelectors (const G4ParticleDefinition *, const G4DataVector &)

std::vector< G4EmElementSelector * > *	GetElementSelectors ()

void	SetElementSelectors (std::vector< G4EmElementSelector * > *)

virtual G4double	ComputeDEDX (const G4MaterialCutsCouple , const G4ParticleDefinition , G4double kineticEnergy, G4double cutEnergy=DBL_MAX)

G4double	CrossSection (const G4MaterialCutsCouple , const G4ParticleDefinition , G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)

G4double	ComputeMeanFreePath (const G4ParticleDefinition , G4double kineticEnergy, const G4Material , G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)

G4double	ComputeCrossSectionPerAtom (const G4ParticleDefinition , const G4Element , G4double kinEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)

const G4Element *	SelectRandomAtom (const G4MaterialCutsCouple , const G4ParticleDefinition , G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)

const G4Element *	SelectTargetAtom (const G4MaterialCutsCouple , const G4ParticleDefinition , G4double kineticEnergy, G4double logKineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)

const G4Element *	SelectRandomAtom (const G4Material , const G4ParticleDefinition , G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)

G4int	SelectRandomAtomNumber (const G4Material *)

G4int	SelectIsotopeNumber (const G4Element *)

void	SetParticleChange (G4VParticleChange , G4VEmFluctuationModel f=nullptr)

void	SetCrossSectionTable (G4PhysicsTable *, G4bool isLocal)

G4ElementData *	GetElementData ()

G4PhysicsTable *	GetCrossSectionTable ()

G4VEmFluctuationModel *	GetModelOfFluctuations ()

G4VEmAngularDistribution *	GetAngularDistribution ()

G4VEmModel *	GetTripletModel ()

void	SetTripletModel (G4VEmModel *)

void	SetAngularDistribution (G4VEmAngularDistribution *)

G4double	HighEnergyLimit () const

G4double	LowEnergyLimit () const

G4double	HighEnergyActivationLimit () const

G4double	LowEnergyActivationLimit () const

G4double	PolarAngleLimit () const

G4double	SecondaryThreshold () const

G4bool	LPMFlag () const

G4bool	DeexcitationFlag () const

G4bool	ForceBuildTableFlag () const

G4bool	UseAngularGeneratorFlag () const

void	SetAngularGeneratorFlag (G4bool)

void	SetHighEnergyLimit (G4double)

void	SetLowEnergyLimit (G4double)

void	SetActivationHighEnergyLimit (G4double)

void	SetActivationLowEnergyLimit (G4double)

G4bool	IsActive (G4double kinEnergy) const

void	SetPolarAngleLimit (G4double)

void	SetSecondaryThreshold (G4double)

void	SetLPMFlag (G4bool val)

void	SetDeexcitationFlag (G4bool val)

void	SetForceBuildTable (G4bool val)

void	SetFluctuationFlag (G4bool val)

void	SetMasterThread (G4bool val)

G4bool	IsMaster () const

void	SetUseBaseMaterials (G4bool val)

G4bool	UseBaseMaterials () const

G4double	MaxSecondaryKinEnergy (const G4DynamicParticle *dynParticle)

const G4String &	GetName () const

void	SetCurrentCouple (const G4MaterialCutsCouple *)

const G4Element *	GetCurrentElement () const

const G4Isotope *	GetCurrentIsotope () const

G4bool	IsLocked () const

void	SetLocked (G4bool)

G4VEmModel &	operator= (const G4VEmModel &right)=delete

	G4VEmModel (const G4VEmModel &)=delete

Protected Attributes
G4VPolarizedCrossSection *	crossSectionCalculator

Protected Attributes inherited from G4BetheHeitlerModel
G4Pow *	fG4Calc

G4ParticleDefinition *	fTheGamma

G4ParticleDefinition *	fTheElectron

G4ParticleDefinition *	fThePositron

G4ParticleChangeForGamma *	fParticleChange

Protected Attributes inherited from G4VEmModel
G4ElementData *	fElementData

G4VParticleChange *	pParticleChange

G4PhysicsTable *	xSectionTable

const G4Material *	pBaseMaterial

const std::vector< G4double > *	theDensityFactor

const std::vector< G4int > *	theDensityIdx

size_t	idxTable

G4bool	lossFlucFlag

G4double	inveplus

G4double	pFactor

Additional Inherited Members
Protected Member Functions inherited from G4BetheHeitlerModel
G4double	ScreenFunction1 (const G4double delta)

G4double	ScreenFunction2 (const G4double delta)

void	ScreenFunction12 (const G4double delta, G4double &f1, G4double &f2)

void	InitialiseElementData ()

Protected Member Functions inherited from G4VEmModel
G4ParticleChangeForLoss *	GetParticleChangeForLoss ()

G4ParticleChangeForGamma *	GetParticleChangeForGamma ()

virtual G4double	MaxSecondaryEnergy (const G4ParticleDefinition *, G4double kineticEnergy)

const G4MaterialCutsCouple *	CurrentCouple () const

void	SetCurrentElement (const G4Element *)

Static Protected Attributes inherited from G4BetheHeitlerModel
static const G4int	gMaxZet = 120

static std::vector< ElementData * >	gElementData

Detailed Description

Definition at line 57 of file G4PolarizedGammaConversionModel.hh.

Constructor & Destructor Documentation

◆ G4PolarizedGammaConversionModel()

G4PolarizedGammaConversionModel::G4PolarizedGammaConversionModel	(	const G4ParticleDefinition *	p = `nullptr`,
		const G4String &	nam = `"polConv"`
	)

explicit

Definition at line 67 of file G4PolarizedGammaConversionModel.cc.

  : G4BetheHeitlerModel(pd,nam), crossSectionCalculator(nullptr)
{
}

◆ ~G4PolarizedGammaConversionModel()

G4PolarizedGammaConversionModel::~G4PolarizedGammaConversionModel ( )

virtual

Definition at line 75 of file G4PolarizedGammaConversionModel.cc.

{
  if (crossSectionCalculator) delete crossSectionCalculator;
}

Member Function Documentation

◆ Initialise()

void G4PolarizedGammaConversionModel::Initialise	(	const G4ParticleDefinition *	pd,
		const G4DataVector &	dv
	)

overridevirtual

Reimplemented from G4BetheHeitlerModel.

Definition at line 82 of file G4PolarizedGammaConversionModel.cc.

{
  G4BetheHeitlerModel::Initialise(pd,dv);
  if (!crossSectionCalculator)
    crossSectionCalculator = new G4PolarizedPairProductionCrossSection();
}

◆ SampleSecondaries()

void G4PolarizedGammaConversionModel::SampleSecondaries	(	std::vector< G4DynamicParticle * > *	vdp,
		const G4MaterialCutsCouple *	couple,
		const G4DynamicParticle *	dp,
		G4double	tmin,
		G4double	maxEnergy
	)

overridevirtual

Reimplemented from G4BetheHeitlerModel.

Definition at line 92 of file G4PolarizedGammaConversionModel.cc.

{
  G4BetheHeitlerModel::SampleSecondaries(vdp, couple, dp, tmin, maxEnergy);
 
  if(vdp && vdp->size()>0) {
    G4double gamEnergy0 = dp->GetKineticEnergy();
    G4double lepEnergy1 = (*vdp)[0]->GetKineticEnergy();
    G4double sintheta   = dp->GetMomentumDirection().cross((*vdp)[0]->GetMomentumDirection()).mag();
    if (sintheta>1.) sintheta=1.;
 
    G4StokesVector beamPol = dp->GetPolarization();
    beamPol.SetPhoton();
 
    // determine interaction plane
    G4ThreeVector  nInteractionFrame = 
      G4PolarizationHelper::GetFrame(dp->GetMomentumDirection(), 
                     (*vdp)[0]->GetMomentumDirection());
 
    // transform polarization into interaction frame
    beamPol.InvRotateAz(nInteractionFrame,dp->GetMomentumDirection());
 
    // calulcate polarization transfer
    crossSectionCalculator->SetMaterial(GetCurrentElement()->GetN(), // number of nucleons
                    GetCurrentElement()->GetZ(), 
                    GetCurrentElement()->GetfCoulomb());
    crossSectionCalculator->Initialize(gamEnergy0, lepEnergy1, sintheta,
                       beamPol, G4StokesVector::ZERO);
 
    // deterimine final state polarization
    G4StokesVector lep1Pol = crossSectionCalculator->GetPol2();
    lep1Pol.RotateAz(nInteractionFrame,(*vdp)[0]->GetMomentumDirection());
    (*vdp)[0]->SetPolarization(lep1Pol.p1(),
                   lep1Pol.p2(),
                   lep1Pol.p3());
 
    size_t num = vdp->size();
    if (num!=2) G4cout<<" WARNING "<<num<<" secondaries in polarized pairproduction not supported!\n"; 
    for (size_t i =1; i<num; ++i) {
      G4StokesVector lep2Pol = crossSectionCalculator->GetPol3();
      lep2Pol.RotateAz(nInteractionFrame,(*vdp)[i]->GetMomentumDirection());
      (*vdp)[i]->SetPolarization(lep2Pol.p1(),
                 lep2Pol.p2(),
                 lep2Pol.p3());
 
    }
  }
}

◆ SelectedAtom()

const G4Element * G4PolarizedGammaConversionModel::SelectedAtom ( )

inline

Definition at line 86 of file G4PolarizedGammaConversionModel.hh.

{
  return GetCurrentElement();
}

Member Data Documentation

◆ crossSectionCalculator

G4VPolarizedCrossSection* G4PolarizedGammaConversionModel::crossSectionCalculator

protected

Definition at line 78 of file G4PolarizedGammaConversionModel.hh.

Referenced by Initialise(), SampleSecondaries(), and ~G4PolarizedGammaConversionModel().

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

Public Member Functions

Protected Attributes

Additional Inherited Members