#include <G4ePairProduction.hh>

Inheritance diagram for G4ePairProduction:

Public Member Functions
	G4ePairProduction (const G4String &processName="ePairProd")

	~G4ePairProduction ()=default

virtual G4bool	IsApplicable (const G4ParticleDefinition &p) override

virtual G4double	MinPrimaryEnergy (const G4ParticleDefinition p, const G4Material , G4double cut) override

void	SetLowestKineticEnergy (G4double e)

virtual void	ProcessDescription (std::ostream &) const override

Public Member Functions inherited from G4VEnergyLossProcess
	G4VEnergyLossProcess (const G4String &name="EnergyLoss", G4ProcessType type=fElectromagnetic)

virtual	~G4VEnergyLossProcess ()

virtual G4bool	IsApplicable (const G4ParticleDefinition &p) override=0

virtual void	PrintInfo ()

virtual void	ProcessDescription (std::ostream &outFile) const override

virtual void	PreparePhysicsTable (const G4ParticleDefinition &) override

virtual void	BuildPhysicsTable (const G4ParticleDefinition &) override

G4PhysicsTable *	BuildDEDXTable (G4EmTableType tType=fRestricted)

G4PhysicsTable *	BuildLambdaTable (G4EmTableType tType=fRestricted)

virtual void	StartTracking (G4Track *) override

virtual G4double	AlongStepGetPhysicalInteractionLength (const G4Track &, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety, G4GPILSelection *selection) override

virtual G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override

virtual G4VParticleChange *	AlongStepDoIt (const G4Track &, const G4Step &) override

G4double	SampleSubCutSecondaries (std::vector< G4Track * > &, const G4Step &, G4VEmModel *model, G4int matIdx)

virtual G4VParticleChange *	PostStepDoIt (const G4Track &, const G4Step &) override

virtual G4bool	StorePhysicsTable (const G4ParticleDefinition *, const G4String &directory, G4bool ascii=false) override

virtual G4bool	RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &directory, G4bool ascii) override

G4double	GetDEDXDispersion (const G4MaterialCutsCouple couple, const G4DynamicParticle dp, G4double length)

G4double	CrossSectionPerVolume (G4double kineticEnergy, const G4MaterialCutsCouple *couple)

G4double	CrossSectionPerVolume (G4double kineticEnergy, const G4MaterialCutsCouple *couple, G4double logKineticEnergy)

G4double	MeanFreePath (const G4Track &track)

G4double	ContinuousStepLimit (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety)

G4VEmModel *	SelectModelForMaterial (G4double kinEnergy, size_t &idx) const

void	AddEmModel (G4int, G4VEmModel , G4VEmFluctuationModel fluc=0, const G4Region *region=nullptr)

void	UpdateEmModel (const G4String &, G4double, G4double)

void	SetEmModel (G4VEmModel *, G4int index=0)

G4VEmModel *	EmModel (size_t index=0) const

G4VEmModel *	GetModelByIndex (G4int idx=0, G4bool ver=false) const

G4int	NumberOfModels () const

void	SetFluctModel (G4VEmFluctuationModel *)

G4VEmFluctuationModel *	FluctModel ()

void	SetBaseParticle (const G4ParticleDefinition *p)

const G4ParticleDefinition *	Particle () const

const G4ParticleDefinition *	BaseParticle () const

const G4ParticleDefinition *	SecondaryParticle () const

void	ActivateSubCutoff (G4bool val, const G4Region *region=nullptr)

void	SetCrossSectionBiasingFactor (G4double f, G4bool flag=true)

void	ActivateForcedInteraction (G4double length, const G4String &region, G4bool flag=true)

void	ActivateSecondaryBiasing (const G4String &region, G4double factor, G4double energyLimit)

void	AddCollaborativeProcess (G4VEnergyLossProcess *)

void	SetLossFluctuations (G4bool val)

void	SetIntegral (G4bool val)

G4bool	IsIntegral () const

void	SetIonisation (G4bool val)

G4bool	IsIonisationProcess () const

void	SetLinearLossLimit (G4double val)

void	SetStepFunction (G4double v1, G4double v2)

void	SetLowestEnergyLimit (G4double)

G4int	NumberOfSubCutoffRegions () const

void	SetDEDXTable (G4PhysicsTable *p, G4EmTableType tType)

void	SetCSDARangeTable (G4PhysicsTable *pRange)

void	SetRangeTableForLoss (G4PhysicsTable *p)

void	SetSecondaryRangeTable (G4PhysicsTable *p)

void	SetInverseRangeTable (G4PhysicsTable *p)

void	SetLambdaTable (G4PhysicsTable *p)

void	SetSubLambdaTable (G4PhysicsTable *p)

void	SetDEDXBinning (G4int nbins)

void	SetMinKinEnergy (G4double e)

G4double	MinKinEnergy () const

void	SetMaxKinEnergy (G4double e)

G4double	MaxKinEnergy () const

G4double	CrossSectionBiasingFactor () const

G4double	GetDEDX (G4double kineticEnergy, const G4MaterialCutsCouple *)

G4double	GetDEDX (G4double kineticEnergy, const G4MaterialCutsCouple *, G4double logKineticEnergy)

G4double	GetDEDXForSubsec (G4double kineticEnergy, const G4MaterialCutsCouple *)

G4double	GetRange (G4double kineticEnergy, const G4MaterialCutsCouple *)

G4double	GetRange (G4double kineticEnergy, const G4MaterialCutsCouple *, G4double logKineticEnergy)

G4double	GetCSDARange (G4double kineticEnergy, const G4MaterialCutsCouple *)

G4double	GetRangeForLoss (G4double kineticEnergy, const G4MaterialCutsCouple *)

G4double	GetRangeForLoss (G4double kineticEnergy, const G4MaterialCutsCouple *, G4double logKineticEnergy)

G4double	GetKineticEnergy (G4double range, const G4MaterialCutsCouple *)

G4double	GetLambda (G4double kineticEnergy, const G4MaterialCutsCouple *)

G4double	GetLambda (G4double kineticEnergy, const G4MaterialCutsCouple *, G4double logKineticEnergy)

G4bool	TablesAreBuilt () const

G4PhysicsTable *	DEDXTable () const

G4PhysicsTable *	DEDXTableForSubsec () const

G4PhysicsTable *	DEDXunRestrictedTable () const

G4PhysicsTable *	IonisationTable () const

G4PhysicsTable *	IonisationTableForSubsec () const

G4PhysicsTable *	CSDARangeTable () const

G4PhysicsTable *	SecondaryRangeTable () const

G4PhysicsTable *	RangeTableForLoss () const

G4PhysicsTable *	InverseRangeTable () const

G4PhysicsTable *	LambdaTable () const

G4PhysicsTable *	SubLambdaTable () const

const G4Element *	GetCurrentElement () const

void	SetDynamicMassCharge (G4double massratio, G4double charge2ratio)

Public Member Functions inherited from G4VContinuousDiscreteProcess
	G4VContinuousDiscreteProcess (const G4String &, G4ProcessType aType=fNotDefined)

	G4VContinuousDiscreteProcess (G4VContinuousDiscreteProcess &)

virtual	~G4VContinuousDiscreteProcess ()

G4VContinuousDiscreteProcess &	operator= (const G4VContinuousDiscreteProcess &)=delete

virtual G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)

virtual G4VParticleChange *	PostStepDoIt (const G4Track &, const G4Step &)

virtual G4double	AlongStepGetPhysicalInteractionLength (const G4Track &, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety, G4GPILSelection *selection)

virtual G4VParticleChange *	AlongStepDoIt (const G4Track &, const G4Step &)

virtual G4double	AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *)

virtual G4VParticleChange *	AtRestDoIt (const G4Track &, const G4Step &)

Public Member Functions inherited from G4VProcess
	G4VProcess (const G4String &aName="NoName", G4ProcessType aType=fNotDefined)

	G4VProcess (const G4VProcess &right)

virtual	~G4VProcess ()

G4VProcess &	operator= (const G4VProcess &)=delete

G4bool	operator== (const G4VProcess &right) const

G4bool	operator!= (const G4VProcess &right) const

virtual G4VParticleChange *	PostStepDoIt (const G4Track &track, const G4Step &stepData)=0

virtual G4VParticleChange *	AlongStepDoIt (const G4Track &track, const G4Step &stepData)=0

virtual G4VParticleChange *	AtRestDoIt (const G4Track &track, const G4Step &stepData)=0

virtual G4double	AlongStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)=0

virtual G4double	AtRestGetPhysicalInteractionLength (const G4Track &track, G4ForceCondition *condition)=0

virtual G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)=0

G4double	GetCurrentInteractionLength () const

void	SetPILfactor (G4double value)

G4double	GetPILfactor () const

G4double	AlongStepGPIL (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)

G4double	AtRestGPIL (const G4Track &track, G4ForceCondition *condition)

G4double	PostStepGPIL (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)

virtual G4bool	IsApplicable (const G4ParticleDefinition &)

virtual void	BuildPhysicsTable (const G4ParticleDefinition &)

virtual void	PreparePhysicsTable (const G4ParticleDefinition &)

virtual G4bool	StorePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)

virtual G4bool	RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)

const G4String &	GetPhysicsTableFileName (const G4ParticleDefinition *, const G4String &directory, const G4String &tableName, G4bool ascii=false)

const G4String &	GetProcessName () const

G4ProcessType	GetProcessType () const

void	SetProcessType (G4ProcessType)

G4int	GetProcessSubType () const

void	SetProcessSubType (G4int)

virtual void	StartTracking (G4Track *)

virtual void	EndTracking ()

virtual void	SetProcessManager (const G4ProcessManager *)

virtual const G4ProcessManager *	GetProcessManager ()

virtual void	ResetNumberOfInteractionLengthLeft ()

G4double	GetNumberOfInteractionLengthLeft () const

G4double	GetTotalNumberOfInteractionLengthTraversed () const

G4bool	isAtRestDoItIsEnabled () const

G4bool	isAlongStepDoItIsEnabled () const

G4bool	isPostStepDoItIsEnabled () const

virtual void	DumpInfo () const

virtual void	ProcessDescription (std::ostream &outfile) const

void	SetVerboseLevel (G4int value)

G4int	GetVerboseLevel () const

virtual void	SetMasterProcess (G4VProcess *masterP)

const G4VProcess *	GetMasterProcess () const

virtual void	BuildWorkerPhysicsTable (const G4ParticleDefinition &part)

virtual void	PrepareWorkerPhysicsTable (const G4ParticleDefinition &)

Protected Member Functions
virtual void	StreamProcessInfo (std::ostream &outFile) const override

virtual void	InitialiseEnergyLossProcess (const G4ParticleDefinition , const G4ParticleDefinition ) override

Protected Member Functions inherited from G4VEnergyLossProcess
virtual void	StreamProcessInfo (std::ostream &) const

virtual void	InitialiseEnergyLossProcess (const G4ParticleDefinition , const G4ParticleDefinition )=0

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

virtual G4double	GetMeanFreePath (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override

virtual G4double	GetContinuousStepLimit (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety) override

G4PhysicsVector *	LambdaPhysicsVector (const G4MaterialCutsCouple *, G4double cut)

size_t	CurrentMaterialCutsCoupleIndex () const

void	SelectModel (G4double kinEnergy)

void	SetParticle (const G4ParticleDefinition *p)

void	SetSecondaryParticle (const G4ParticleDefinition *p)

Protected Member Functions inherited from G4VContinuousDiscreteProcess
virtual G4double	GetMeanFreePath (const G4Track &aTrack, G4double previousStepSize, G4ForceCondition *condition)=0

virtual G4double	GetContinuousStepLimit (const G4Track &aTrack, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety)=0

void	SetGPILSelection (G4GPILSelection selection)

G4GPILSelection	GetGPILSelection () const

Protected Member Functions inherited from G4VProcess
void	SubtractNumberOfInteractionLengthLeft (G4double prevStepSize)

void	ClearNumberOfInteractionLengthLeft ()

Protected Attributes
const G4ParticleDefinition *	theParticle

G4double	lowestKinEnergy

G4bool	isInitialised

Protected Attributes inherited from G4VEnergyLossProcess
G4ParticleChangeForLoss	fParticleChange

const G4Material *	currentMaterial

const G4MaterialCutsCouple *	currentCouple

size_t	currentCoupleIndex

G4double	preStepLambda

G4double	fRange

G4double	computedRange

G4double	preStepKinEnergy

G4double	preStepLogKinEnergy

G4double	preStepScaledEnergy

G4double	preStepLogScaledEnergy

G4double	preStepRangeEnergy

G4double	mfpKinEnergy

Protected Attributes inherited from G4VProcess
const G4ProcessManager *	aProcessManager = nullptr

G4VParticleChange *	pParticleChange = nullptr

G4ParticleChange	aParticleChange

G4double	theNumberOfInteractionLengthLeft = -1.0

G4double	currentInteractionLength = -1.0

G4double	theInitialNumberOfInteractionLength = -1.0

G4String	theProcessName

G4String	thePhysicsTableFileName

G4ProcessType	theProcessType = fNotDefined

G4int	theProcessSubType = -1

G4double	thePILfactor = 1.0

G4int	verboseLevel = 0

G4bool	enableAtRestDoIt = true

G4bool	enableAlongStepDoIt = true

G4bool	enablePostStepDoIt = true

Additional Inherited Members
Static Public Member Functions inherited from G4VProcess
static const G4String &	GetProcessTypeName (G4ProcessType)

Detailed Description

Definition at line 57 of file G4ePairProduction.hh.

Constructor & Destructor Documentation

◆ G4ePairProduction()

G4ePairProduction::G4ePairProduction ( const G4String & processName = "ePairProd" )

explicit

Definition at line 59 of file G4ePairProduction.cc.

  : G4VEnergyLossProcess(name),
    theParticle(nullptr),
    lowestKinEnergy(100.*MeV),
    isInitialised(false)
{
  SetProcessSubType(fPairProdByCharged);
  SetSecondaryParticle(G4Positron::Positron());
  SetIonisation(false);
}

◆ ~G4ePairProduction()

G4ePairProduction::~G4ePairProduction ( )

default

Member Function Documentation

◆ InitialiseEnergyLossProcess()

void G4ePairProduction::InitialiseEnergyLossProcess	(	const G4ParticleDefinition *	part,
		const G4ParticleDefinition *
	)

overrideprotectedvirtual

Implements G4VEnergyLossProcess.

Definition at line 88 of file G4ePairProduction.cc.

{
  if (!isInitialised) {
    isInitialised = true;
 
    theParticle = part;
 
    G4MuPairProductionModel* mod = new G4MuPairProductionModel(part, "ePairProd"); 
    SetEmModel(mod);
 
    lowestKinEnergy = std::max(lowestKinEnergy, part->GetPDGMass()*8.0);
    mod->SetLowestKineticEnergy(lowestKinEnergy);
 
    G4VEmFluctuationModel* fm = nullptr;
    G4EmParameters* param = G4EmParameters::Instance();
    mod->SetLowEnergyLimit(param->MinKinEnergy());
    mod->SetHighEnergyLimit(param->MaxKinEnergy());
    AddEmModel(1, mod, fm);
  }
}

◆ IsApplicable()

G4bool G4ePairProduction::IsApplicable ( const G4ParticleDefinition & p )

overridevirtual

Implements G4VEnergyLossProcess.

Definition at line 72 of file G4ePairProduction.cc.

{
  return (G4Electron::Electron() == &p || G4Positron::Positron() == &p);
}

◆ MinPrimaryEnergy()

G4double G4ePairProduction::MinPrimaryEnergy	(	const G4ParticleDefinition *	p,
		const G4Material *	,
		G4double	cut
	)

overridevirtual

Reimplemented from G4VEnergyLossProcess.

Definition at line 79 of file G4ePairProduction.cc.

{
  return lowestKinEnergy;
}

◆ ProcessDescription()

void G4ePairProduction::ProcessDescription ( std::ostream & out ) const

overridevirtual

Reimplemented from G4VEnergyLossProcess.

Definition at line 133 of file G4ePairProduction.cc.

{
  out << "  Pair production";
  G4VEnergyLossProcess::ProcessDescription(out);
}

◆ SetLowestKineticEnergy()

void G4ePairProduction::SetLowestKineticEnergy ( G4double e )

inline

Definition at line 98 of file G4ePairProduction.hh.

{
  lowestKinEnergy = e;
}

◆ StreamProcessInfo()

void G4ePairProduction::StreamProcessInfo ( std::ostream & outFile ) const

overrideprotectedvirtual

Reimplemented from G4VEnergyLossProcess.

Definition at line 113 of file G4ePairProduction.cc.

{
  G4ElementData* ed = EmModel(0)->GetElementData();
  if(ed) {
    for(G4int Z=1; Z<93; ++Z) {
      G4Physics2DVector* pv = ed->GetElement2DData(Z);
      if(pv) {
        out << "      Sampling table " << pv->GetLengthY()
        << "x" << pv->GetLengthX() << "; from "
        << G4Exp(pv->GetY(0))/GeV << " GeV to " 
        << G4Exp(pv->GetY(pv->GetLengthY()-1))/TeV 
        << " TeV " << G4endl;
    break;
      }
    }
  }
}

Member Data Documentation

◆ isInitialised

G4bool G4ePairProduction::isInitialised

protected

Definition at line 92 of file G4ePairProduction.hh.

Referenced by InitialiseEnergyLossProcess().

◆ lowestKinEnergy

G4double G4ePairProduction::lowestKinEnergy

protected

Definition at line 91 of file G4ePairProduction.hh.

Referenced by InitialiseEnergyLossProcess(), MinPrimaryEnergy(), and SetLowestKineticEnergy().

◆ theParticle

const G4ParticleDefinition* G4ePairProduction::theParticle

protected

Definition at line 90 of file G4ePairProduction.hh.

Referenced by InitialiseEnergyLossProcess().

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

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ G4ePairProduction()

◆ ~G4ePairProduction()

Member Function Documentation

◆ InitialiseEnergyLossProcess()

◆ IsApplicable()

◆ MinPrimaryEnergy()

◆ ProcessDescription()

◆ SetLowestKineticEnergy()

◆ StreamProcessInfo()

Member Data Documentation

◆ isInitialised

◆ lowestKinEnergy

◆ theParticle