G4ePairProduction Class Reference

#include <G4ePairProduction.hh>

Inheritance diagram for G4ePairProduction:

Public Member Functions
	G4ePairProduction (const G4String &processName="ePairProd")
	~G4ePairProduction () override=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
G4ePairProduction &	operator= (const G4ePairProduction &right)=delete
	G4ePairProduction (const G4ePairProduction &)=delete
Public Member Functions inherited from G4VEnergyLossProcess
	G4VEnergyLossProcess (const G4String &name="EnergyLoss", G4ProcessType type=fElectromagnetic)
	~G4VEnergyLossProcess () override
void	ProcessDescription (std::ostream &outFile) const override
void	PreparePhysicsTable (const G4ParticleDefinition &) override
void	BuildPhysicsTable (const G4ParticleDefinition &) override
G4PhysicsTable *	BuildDEDXTable (G4EmTableType tType=fRestricted)
G4PhysicsTable *	BuildLambdaTable (G4EmTableType tType=fRestricted)
void	StartTracking (G4Track *) override
G4double	AlongStepGetPhysicalInteractionLength (const G4Track &, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety, G4GPILSelection *selection) override
G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override
G4VParticleChange *	AlongStepDoIt (const G4Track &, const G4Step &) override
G4VParticleChange *	PostStepDoIt (const G4Track &, const G4Step &) override
G4bool	StorePhysicsTable (const G4ParticleDefinition *, const G4String &directory, G4bool ascii=false) override
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, std::size_t &idxCouple) const
void	AddEmModel (G4int, G4VEmModel *, G4VEmFluctuationModel *fluc=nullptr, const G4Region *region=nullptr)
void	SetEmModel (G4VEmModel *, G4int index=0)
std::size_t	NumberOfModels () const
G4VEmModel *	EmModel (std::size_t index=0) const
G4VEmModel *	GetModelByIndex (std::size_t idx=0, G4bool ver=false) const
void	SetFluctModel (G4VEmFluctuationModel *)
G4VEmFluctuationModel *	FluctModel () const
void	SetBaseParticle (const G4ParticleDefinition *p)
const G4ParticleDefinition *	Particle () const
const G4ParticleDefinition *	BaseParticle () const
const G4ParticleDefinition *	SecondaryParticle () const
	G4VEnergyLossProcess (G4VEnergyLossProcess &)=delete
G4VEnergyLossProcess &	operator= (const G4VEnergyLossProcess &right)=delete
void	ActivateSubCutoff (const G4Region *region)
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	SetLossFluctuations (G4bool)
void	SetSpline (G4bool val)
void	SetCrossSectionType (G4CrossSectionType val)
G4CrossSectionType	CrossSectionType () 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	SetInverseRangeTable (G4PhysicsTable *p)
void	SetLambdaTable (G4PhysicsTable *p)
void	SetTwoPeaksXS (std::vector< G4TwoPeaksXS * > *)
void	SetEnergyOfCrossSectionMax (std::vector< G4double > *)
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	GetCSDADEDX (G4double kineticEnergy, const G4MaterialCutsCouple *)
G4double	GetDEDX (G4double kineticEnergy, const G4MaterialCutsCouple *, G4double logKineticEnergy)
G4double	GetRange (G4double kineticEnergy, const G4MaterialCutsCouple *)
G4double	GetRange (G4double kineticEnergy, const G4MaterialCutsCouple *, G4double logKineticEnergy)
G4double	GetCSDARange (G4double kineticEnergy, const G4MaterialCutsCouple *)
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 *	DEDXunRestrictedTable () const
G4PhysicsTable *	IonisationTable () const
G4PhysicsTable *	CSDARangeTable () const
G4PhysicsTable *	RangeTableForLoss () const
G4PhysicsTable *	InverseRangeTable () const
G4PhysicsTable *	LambdaTable () const
std::vector< G4TwoPeaksXS * > *	TwoPeaksXS () const
std::vector< G4double > *	EnergyOfCrossSectionMax () const
G4bool	UseBaseMaterial () 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	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
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)
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 const G4VProcess *	GetCreatorProcess () const
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
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
G4double	GetMeanFreePath (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override
G4double	GetContinuousStepLimit (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety) override
G4PhysicsVector *	LambdaPhysicsVector (const G4MaterialCutsCouple *, G4double cut)
std::size_t	CurrentMaterialCutsCoupleIndex () const
void	SelectModel (G4double kinEnergy)
void	SetParticle (const G4ParticleDefinition *p)
void	SetSecondaryParticle (const G4ParticleDefinition *p)
Protected Member Functions inherited from G4VContinuousDiscreteProcess
void	SetGPILSelection (G4GPILSelection selection)
G4GPILSelection	GetGPILSelection () const
Protected Member Functions inherited from G4VProcess
void	SubtractNumberOfInteractionLengthLeft (G4double prevStepSize)
void	ClearNumberOfInteractionLengthLeft ()

Protected Attributes
const G4ParticleDefinition *	theParticle = nullptr
G4double	lowestKinEnergy
G4bool	isInitialised = false
Protected Attributes inherited from G4VEnergyLossProcess
G4ParticleChangeForLoss	fParticleChange
const G4Material *	currentMaterial = nullptr
const G4MaterialCutsCouple *	currentCouple = nullptr
G4double	preStepLambda = 0.0
G4double	preStepKinEnergy = 0.0
G4double	preStepScaledEnergy = 0.0
G4double	mfpKinEnergy = 0.0
std::size_t	currentCoupleIndex = 0
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() [1/2]

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

explicit

Definition at line 57 of file G4ePairProduction.cc.

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

Referenced by G4ePairProduction(), and operator=().

~G4ePairProduction()

G4ePairProduction::~G4ePairProduction ( )

overridedefault

G4ePairProduction() [2/2]

G4ePairProduction::G4ePairProduction ( const G4ePairProduction & )

delete

Member Function Documentation

InitialiseEnergyLossProcess()

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

overrideprotectedvirtual

Implements G4VEnergyLossProcess.

Definition at line 85 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

Reimplemented from G4VProcess.

Definition at line 69 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 76 of file G4ePairProduction.cc.

{
  return lowestKinEnergy;
}

operator=()

G4ePairProduction & G4ePairProduction::operator= ( const G4ePairProduction & right )

delete

ProcessDescription()

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

overridevirtual

Reimplemented from G4VProcess.

Definition at line 130 of file G4ePairProduction.cc.

{
  out << "  Electron-positron pair production by electron or positron";
  G4VEnergyLossProcess::ProcessDescription(out);
}

SetLowestKineticEnergy()

void G4ePairProduction::SetLowestKineticEnergy ( G4double e )

inline

Definition at line 94 of file G4ePairProduction.hh.

{
  lowestKinEnergy = e;
}

StreamProcessInfo()

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

overrideprotectedvirtual

Reimplemented from G4VEnergyLossProcess.

Definition at line 110 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 = false

protected

Definition at line 88 of file G4ePairProduction.hh.

Referenced by InitialiseEnergyLossProcess().

lowestKinEnergy

G4double G4ePairProduction::lowestKinEnergy

protected

Definition at line 87 of file G4ePairProduction.hh.

Referenced by G4ePairProduction(), InitialiseEnergyLossProcess(), MinPrimaryEnergy(), and SetLowestKineticEnergy().

theParticle

const G4ParticleDefinition* G4ePairProduction::theParticle = nullptr

protected

Definition at line 86 of file G4ePairProduction.hh.

Referenced by InitialiseEnergyLossProcess().

---

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

• G4ePairProduction.hh
• G4ePairProduction.cc