#include <G4LowEnergyIonisation.hh>

Inheritance diagram for G4LowEnergyIonisation:

Collaboration diagram for G4LowEnergyIonisation:

Public Member Functions
	G4LowEnergyIonisation (const G4String &processName="LowEnergyIoni")

	~G4LowEnergyIonisation ()

G4bool	IsApplicable (const G4ParticleDefinition &)

void	PrintInfoDefinition ()

void	BuildPhysicsTable (const G4ParticleDefinition &ParticleType)

G4VParticleChange *	PostStepDoIt (const G4Track &track, const G4Step &step)

void	SetCutForLowEnSecPhotons (G4double cut)

void	SetCutForLowEnSecElectrons (G4double cut)

void	ActivateAuger (G4bool val)

Public Member Functions inherited from G4eLowEnergyLoss
	G4eLowEnergyLoss (const G4String &)

	~G4eLowEnergyLoss ()

void	BuildDEDXTable (const G4ParticleDefinition &aParticleType)

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

G4VParticleChange *	AlongStepDoIt (const G4Track &track, const G4Step &Step)

void	ActivateFluorescence (G4bool val)

G4bool	Fluorescence () const

Public Member Functions inherited from G4RDVeLowEnergyLoss
	G4RDVeLowEnergyLoss (const G4String &, G4ProcessType aType=fNotDefined)

	G4RDVeLowEnergyLoss (G4RDVeLowEnergyLoss &)

virtual	~G4RDVeLowEnergyLoss ()

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

	G4VContinuousDiscreteProcess (G4VContinuousDiscreteProcess &)

virtual	~G4VContinuousDiscreteProcess ()

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

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

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 ()

G4int	operator== (const G4VProcess &right) const

G4int	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)

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

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

virtual std::vector< G4DynamicParticle * > *	DeexciteAtom (const G4MaterialCutsCouple *couple, G4double incidentEnergy, G4double eLoss)

Protected Member Functions inherited from G4RDVeLowEnergyLoss
G4double	GetLossWithFluct (const G4DynamicParticle aParticle, const G4MaterialCutsCouple couple, G4double MeanLoss, G4double step)

Protected Member Functions inherited from G4VContinuousDiscreteProcess
void	SetGPILSelection (G4GPILSelection selection)

G4GPILSelection	GetGPILSelection () const

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

void	ClearNumberOfInteractionLengthLeft ()

Private Member Functions
	G4LowEnergyIonisation (const G4LowEnergyIonisation &)

G4LowEnergyIonisation &	operator= (const G4LowEnergyIonisation &right)

void	BuildLossTable (const G4ParticleDefinition &ParticleType)

Private Attributes
G4RDVCrossSectionHandler *	crossSectionHandler

G4RDVEMDataSet *	theMeanFreePath

G4RDVEnergySpectrum *	energySpectrum

G4DataVector	cutForDelta

G4double	cutForPhotons

G4double	cutForElectrons

G4RDAtomicDeexcitation	deexcitationManager

G4RDShellVacancy *	shellVacancy

Additional Inherited Members
Static Public Member Functions inherited from G4eLowEnergyLoss
static void	SetNbOfProcesses (G4int nb)

static void	PlusNbOfProcesses ()

static void	MinusNbOfProcesses ()

static G4int	GetNbOfProcesses ()

static void	SetLowerBoundEloss (G4double val)

static void	SetUpperBoundEloss (G4double val)

static void	SetNbinEloss (G4int nb)

static G4double	GetLowerBoundEloss ()

static G4double	GetUpperBoundEloss ()

static G4int	GetNbinEloss ()

Static Public Member Functions inherited from G4RDVeLowEnergyLoss
static void	SetRndmStep (G4bool value)

static void	SetEnlossFluc (G4bool value)

static void	SetStepFunction (G4double c1, G4double c2)

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

Static Protected Member Functions inherited from G4RDVeLowEnergyLoss
static G4PhysicsTable *	BuildRangeTable (G4PhysicsTable theDEDXTable, G4PhysicsTable theRangeTable, G4double Tmin, G4double Tmax, G4int nbin)

static G4PhysicsTable *	BuildLabTimeTable (G4PhysicsTable theDEDXTable, G4PhysicsTable theLabTimeTable, G4double Tmin, G4double Tmax, G4int nbin)

static G4PhysicsTable *	BuildProperTimeTable (G4PhysicsTable theDEDXTable, G4PhysicsTable ProperTimeTable, G4double Tmin, G4double Tmax, G4int nbin)

static G4PhysicsTable *	BuildRangeCoeffATable (G4PhysicsTable theRangeTable, G4PhysicsTable theCoeffATable, G4double Tmin, G4double Tmax, G4int nbin)

static G4PhysicsTable *	BuildRangeCoeffBTable (G4PhysicsTable theRangeTable, G4PhysicsTable theCoeffBTable, G4double Tmin, G4double Tmax, G4int nbin)

static G4PhysicsTable *	BuildRangeCoeffCTable (G4PhysicsTable theRangeTable, G4PhysicsTable theCoeffCTable, G4double Tmin, G4double Tmax, G4int nbin)

static G4PhysicsTable *	BuildInverseRangeTable (G4PhysicsTable theRangeTable, G4PhysicsTable theRangeCoeffATable, G4PhysicsTable theRangeCoeffBTable, G4PhysicsTable theRangeCoeffCTable, G4PhysicsTable *theInverseRangeTable, G4double Tmin, G4double Tmax, G4int nbin)

Protected Attributes inherited from G4eLowEnergyLoss
G4PhysicsTable *	theLossTable

G4double	MinKineticEnergy

G4double	Charge

G4double	lastCharge

Protected Attributes inherited from G4RDVeLowEnergyLoss
const G4Material *	lastMaterial

G4int	imat

G4double	f1Fluct

G4double	f2Fluct

G4double	e1Fluct

G4double	e2Fluct

G4double	rateFluct

G4double	ipotFluct

G4double	e1LogFluct

G4double	e2LogFluct

G4double	ipotLogFluct

const G4int	nmaxCont1

const G4int	nmaxCont2

Protected Attributes inherited from G4VProcess
const G4ProcessManager *	aProcessManager

G4VParticleChange *	pParticleChange

G4ParticleChange	aParticleChange

G4double	theNumberOfInteractionLengthLeft

G4double	currentInteractionLength

G4double	theInitialNumberOfInteractionLength

G4String	theProcessName

G4String	thePhysicsTableFileName

G4ProcessType	theProcessType

G4int	theProcessSubType

G4double	thePILfactor

G4bool	enableAtRestDoIt

G4bool	enableAlongStepDoIt

G4bool	enablePostStepDoIt

G4int	verboseLevel

Static Protected Attributes inherited from G4eLowEnergyLoss
static G4PhysicsTable *	theDEDXElectronTable = 0

static G4PhysicsTable *	theDEDXPositronTable = 0

static G4PhysicsTable *	theRangeElectronTable = 0

static G4PhysicsTable *	theRangePositronTable = 0

static G4PhysicsTable *	theInverseRangeElectronTable = 0

static G4PhysicsTable *	theInverseRangePositronTable = 0

static G4PhysicsTable *	theLabTimeElectronTable = 0

static G4PhysicsTable *	theLabTimePositronTable = 0

static G4PhysicsTable *	theProperTimeElectronTable = 0

static G4PhysicsTable *	theProperTimePositronTable = 0

static G4int	NbOfProcesses = 2

static G4int	CounterOfElectronProcess = 0

static G4int	CounterOfPositronProcess = 0

static G4PhysicsTable **	RecorderOfElectronProcess

static G4PhysicsTable **	RecorderOfPositronProcess

Static Protected Attributes inherited from G4RDVeLowEnergyLoss
static G4double	ParticleMass

static G4double	taulow

static G4double	tauhigh

static G4double	ltaulow

static G4double	ltauhigh

static G4double	dRoverRange = 20*perCent

static G4double	finalRange = 200*micrometer

static G4double	c1lim = dRoverRange

static G4double	c2lim = 2.(1.-dRoverRange)finalRange

static G4double	c3lim = -(1.-dRoverRange)finalRangefinalRange

static G4bool	rndmStepFlag = false

static G4bool	EnlossFlucFlag = true

Detailed Description

Definition at line 71 of file G4LowEnergyIonisation.hh.

Constructor & Destructor Documentation

◆ G4LowEnergyIonisation() [1/2]

G4LowEnergyIonisation::G4LowEnergyIonisation ( const G4String & processName = "LowEnergyIoni" )

Definition at line 125 of file G4LowEnergyIonisation.cc.

   : G4eLowEnergyLoss(nam), 
   crossSectionHandler(0),
   theMeanFreePath(0),
   energySpectrum(0),
   shellVacancy(0)
 {
   cutForPhotons = 250.0*eV;
   cutForElectrons = 250.0*eV;
   verboseLevel = 0;
 }

◆ ~G4LowEnergyIonisation()

G4LowEnergyIonisation::~G4LowEnergyIonisation ( )

Definition at line 138 of file G4LowEnergyIonisation.cc.

 {
   delete crossSectionHandler;
   delete energySpectrum;
   delete theMeanFreePath;
   delete shellVacancy;
 }

◆ G4LowEnergyIonisation() [2/2]

G4LowEnergyIonisation::G4LowEnergyIonisation ( const G4LowEnergyIonisation & )

private

Member Function Documentation

◆ ActivateAuger()

void G4LowEnergyIonisation::ActivateAuger ( G4bool val )

Definition at line 713 of file G4LowEnergyIonisation.cc.

 {
   deexcitationManager.ActivateAugerElectronProduction(val);
 }

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◆ BuildLossTable()

void G4LowEnergyIonisation::BuildLossTable ( const G4ParticleDefinition & ParticleType )

private

Definition at line 233 of file G4LowEnergyIonisation.cc.

 {
   // Build table for energy loss due to soft brems
   // the tables are built for *MATERIALS* binning is taken from LowEnergyLoss
 
   G4double lowKineticEnergy  = GetLowerBoundEloss();
   G4double highKineticEnergy = GetUpperBoundEloss();
   size_t   totBin = GetNbinEloss();
  
   //  create table
 
   if (theLossTable) { 
       theLossTable->clearAndDestroy();
       delete theLossTable;
   }
   const G4ProductionCutsTable* theCoupleTable=
         G4ProductionCutsTable::GetProductionCutsTable();
   size_t numOfCouples = theCoupleTable->GetTableSize();
   theLossTable = new G4PhysicsTable(numOfCouples);
 
   if (shellVacancy != 0) delete shellVacancy;
   shellVacancy = new G4RDShellVacancy();
   G4DataVector* ksi = 0;
   G4DataVector* energy = 0;
   size_t binForFluo = totBin/10;
 
   G4PhysicsLogVector* bVector = new G4PhysicsLogVector(lowKineticEnergy,
                                        highKineticEnergy,
                                binForFluo);
   const G4RDAtomicTransitionManager* transitionManager = G4RDAtomicTransitionManager::Instance();
   
   // Clean up the vector of cuts
 
   cutForDelta.clear();
 
   // Loop for materials
 
   for (size_t m=0; m<numOfCouples; m++) {
 
     // create physics vector and fill it
     G4PhysicsLogVector* aVector = new G4PhysicsLogVector(lowKineticEnergy,
                                  highKineticEnergy,
                              totBin);
 
     // get material parameters needed for the energy loss calculation
     const G4MaterialCutsCouple* couple = theCoupleTable->GetMaterialCutsCouple(m);
     const G4Material* material= couple->GetMaterial();
 
     // the cut cannot be below lowest limit
     G4double tCut = (*(theCoupleTable->GetEnergyCutsVector(1)))[m];
     if(tCut > highKineticEnergy) tCut = highKineticEnergy;
     cutForDelta.push_back(tCut);
     const G4ElementVector* theElementVector = material->GetElementVector();
     size_t NumberOfElements = material->GetNumberOfElements() ;
     const G4double* theAtomicNumDensityVector =
                     material->GetAtomicNumDensityVector();
     if(verboseLevel > 0) {
       G4cout << "Energy loss for material # " << m
              << " tCut(keV)= " << tCut/keV
              << G4endl;
       }
 
     // now comes the loop for the kinetic energy values
     for (size_t i = 0; i<totBin; i++) {
 
       G4double lowEdgeEnergy = aVector->GetLowEdgeEnergy(i);
       G4double ionloss = 0.;
 
       // loop for elements in the material
       for (size_t iel=0; iel<NumberOfElements; iel++ ) {
 
         G4int Z = (G4int)((*theElementVector)[iel]->GetZ());
 
     G4int nShells = transitionManager->NumberOfShells(Z);
 
         for (G4int n=0; n<nShells; n++) {
 
           G4double e = energySpectrum->AverageEnergy(Z, 0.0, tCut,
                                                              lowEdgeEnergy, n);
           G4double cs= crossSectionHandler->FindValue(Z, lowEdgeEnergy, n);
           ionloss   += e * cs * theAtomicNumDensityVector[iel];
 
           if(verboseLevel > 1 || (Z == 14 && lowEdgeEnergy>1. && lowEdgeEnergy<0.)) {
             G4cout << "Z= " << Z
                    << " shell= " << n
                    << " E(keV)= " << lowEdgeEnergy/keV
                    << " Eav(keV)= " << e/keV
                    << " cs= " << cs
                << " loss= " << ionloss
                << " rho= " << theAtomicNumDensityVector[iel]
                    << G4endl;
           }
         }
         G4double esp = energySpectrum->Excitation(Z, lowEdgeEnergy);
         ionloss   += esp * theAtomicNumDensityVector[iel];
 
       }
       if(verboseLevel > 1 || (m == 0 && lowEdgeEnergy>=1. && lowEdgeEnergy<=0.)) {
             G4cout << "Sum: "
                    << " E(keV)= " << lowEdgeEnergy/keV
                << " loss(MeV/mm)= " << ionloss*mm/MeV
                    << G4endl;
       }
       aVector->PutValue(i,ionloss);
     }
     theLossTable->insert(aVector);
 
     // fill data for fluorescence
 
     G4RDVDataSetAlgorithm* interp = new G4RDLogLogInterpolation();
     G4RDVEMDataSet* xsis = new G4RDCompositeEMDataSet(interp, 1., 1.);
     for (size_t iel=0; iel<NumberOfElements; iel++ ) {
 
       G4int Z = (G4int)((*theElementVector)[iel]->GetZ());
       energy = new G4DataVector();
       ksi    = new G4DataVector();
 
       for (size_t j = 0; j<binForFluo; j++) {
 
         G4double lowEdgeEnergy = bVector->GetLowEdgeEnergy(j);
         G4double cross   = 0.;
         G4double eAverage= 0.;
     G4int nShells = transitionManager->NumberOfShells(Z);
 
         for (G4int n=0; n<nShells; n++) {
 
           G4double e = energySpectrum->AverageEnergy(Z, 0.0, tCut,
                                                              lowEdgeEnergy, n);
           G4double pro = energySpectrum->Probability(Z, 0.0, tCut,
                                                              lowEdgeEnergy, n);
           G4double cs= crossSectionHandler->FindValue(Z, lowEdgeEnergy, n);
           eAverage   += e * cs * theAtomicNumDensityVector[iel];
           cross      += cs * pro * theAtomicNumDensityVector[iel];
           if(verboseLevel > 1) {
             G4cout << "Z= " << Z
                    << " shell= " << n
                    << " E(keV)= " << lowEdgeEnergy/keV
                    << " Eav(keV)= " << e/keV
                    << " pro= " << pro
                    << " cs= " << cs
                    << G4endl;
           }
     }
 
         G4double coeff = 0.0;
         if(eAverage > 0.) {
           coeff = cross/eAverage;
           eAverage /= cross;
     }
 
         if(verboseLevel > 1) {
             G4cout << "Ksi Coefficient for Z= " << Z
                    << " E(keV)= " << lowEdgeEnergy/keV
                    << " Eav(keV)= " << eAverage/keV
                    << " coeff= " << coeff
                    << G4endl;
         }
 
         energy->push_back(lowEdgeEnergy);
         ksi->push_back(coeff);
       }
       interp = new G4RDLogLogInterpolation();
       G4RDVEMDataSet* set = new G4RDEMDataSet(Z,energy,ksi,interp,1.,1.);
       xsis->AddComponent(set);
     }
     if(verboseLevel) xsis->PrintData();
     shellVacancy->AddXsiTable(xsis);
   }
   delete bVector;
 }

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◆ BuildPhysicsTable()

void G4LowEnergyIonisation::BuildPhysicsTable ( const G4ParticleDefinition & ParticleType )

virtual

Reimplemented from G4VProcess.

Definition at line 147 of file G4LowEnergyIonisation.cc.

 {
   if(verboseLevel > 0) {
     G4cout << "G4LowEnergyIonisation::BuildPhysicsTable start"
            << G4endl;
       }
 
   cutForDelta.clear();
 
   // Create and fill IonisationParameters once
   if( energySpectrum != 0 ) delete energySpectrum;
   energySpectrum = new G4RDeIonisationSpectrum();
 
   if(verboseLevel > 0) {
     G4cout << "G4RDVEnergySpectrum is initialized"
            << G4endl;
       }
 
   // Create and fill G4RDCrossSectionHandler once
 
   if ( crossSectionHandler != 0 ) delete crossSectionHandler;
   G4RDVDataSetAlgorithm* interpolation = new G4RDSemiLogInterpolation();
   G4double lowKineticEnergy  = GetLowerBoundEloss();
   G4double highKineticEnergy = GetUpperBoundEloss();
   G4int    totBin = GetNbinEloss();
   crossSectionHandler = new G4RDeIonisationCrossSectionHandler(energySpectrum,
                                  interpolation,
                                  lowKineticEnergy,
                                  highKineticEnergy,
                                  totBin);
   crossSectionHandler->LoadShellData("ioni/ion-ss-cs-");
 
   if (verboseLevel > 0) {
     G4cout << GetProcessName()
            << " is created; Cross section data: "
            << G4endl;
     crossSectionHandler->PrintData();
     G4cout << "Parameters: "
            << G4endl;
     energySpectrum->PrintData();
   }
 
   // Build loss table for IonisationIV
 
   BuildLossTable(aParticleType);
 
   if(verboseLevel > 0) {
     G4cout << "The loss table is built"
            << G4endl;
       }
 
   if (&aParticleType==G4Electron::Electron()) {
 
     RecorderOfElectronProcess[CounterOfElectronProcess] = (*this).theLossTable;
     CounterOfElectronProcess++;
     PrintInfoDefinition();  
 
   } else {
 
     RecorderOfPositronProcess[CounterOfPositronProcess] = (*this).theLossTable;
     CounterOfPositronProcess++;
   }
 
   // Build mean free path data using cut values
 
   if( theMeanFreePath ) delete theMeanFreePath;
   theMeanFreePath = crossSectionHandler->
                     BuildMeanFreePathForMaterials(&cutForDelta);
 
   if(verboseLevel > 0) {
     G4cout << "The MeanFreePath table is built"
            << G4endl;
     if(verboseLevel > 1) theMeanFreePath->PrintData();
   }
 
   // Build common DEDX table for all ionisation processes
  
   BuildDEDXTable(aParticleType);
 
   if (verboseLevel > 0) {
     G4cout << "G4LowEnergyIonisation::BuildPhysicsTable end"
            << G4endl;
   }
 }

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◆ DeexciteAtom()

std::vector< G4DynamicParticle * > * G4LowEnergyIonisation::DeexciteAtom	(	const G4MaterialCutsCouple *	couple,
		G4double	incidentEnergy,
		G4double	eLoss
	)

protectedvirtual

Reimplemented from G4eLowEnergyLoss.

Definition at line 606 of file G4LowEnergyIonisation.cc.

 {
   // create vector of secondary particles
   const G4Material* material = couple->GetMaterial();
 
   std::vector<G4DynamicParticle*>* partVector =
                                  new std::vector<G4DynamicParticle*>;
 
   if(eLoss > cutForPhotons && eLoss > cutForElectrons) {
 
     const G4RDAtomicTransitionManager* transitionManager =
                                G4RDAtomicTransitionManager::Instance();
 
     size_t nElements = material->GetNumberOfElements();
     const G4ElementVector* theElementVector = material->GetElementVector();
 
     std::vector<G4DynamicParticle*>* secVector = 0;
     G4DynamicParticle* aSecondary = 0;
     G4ParticleDefinition* type = 0;
     G4double e;
     G4ThreeVector position;
     G4int shell, shellId;
 
     // sample secondaries
 
     G4double eTot = 0.0;
     std::vector<G4int> n =
            shellVacancy->GenerateNumberOfIonisations(couple,
                                                      incidentEnergy,eLoss);
     for (size_t i=0; i<nElements; i++) {
 
       G4int Z = (G4int)((*theElementVector)[i]->GetZ());
       size_t nVacancies = n[i];
 
       G4double maxE = transitionManager->Shell(Z, 0)->BindingEnergy();
 
       if (nVacancies && Z > 5 && (maxE>cutForPhotons || maxE>cutForElectrons)) {
 
     for (size_t j=0; j<nVacancies; j++) {
 
       shell = crossSectionHandler->SelectRandomShell(Z, incidentEnergy);
           shellId = transitionManager->Shell(Z, shell)->ShellId();
       G4double maxEShell =
                      transitionManager->Shell(Z, shell)->BindingEnergy();
 
           if (maxEShell>cutForPhotons || maxEShell>cutForElectrons ) {
 
         secVector = deexcitationManager.GenerateParticles(Z, shellId);
 
         if (secVector != 0) {
 
           for (size_t l = 0; l<secVector->size(); l++) {
 
             aSecondary = (*secVector)[l];
             if (aSecondary != 0) {
 
               e = aSecondary->GetKineticEnergy();
               type = aSecondary->GetDefinition();
               if ( eTot + e <= eLoss &&
                  ((type == G4Gamma::Gamma() && e>cutForPhotons ) ||
                  (type == G4Electron::Electron() && e>cutForElectrons))) {
 
               eTot += e;
                           partVector->push_back(aSecondary);
 
           } else {
 
                            delete aSecondary;
 
               }
             }
           }
               delete secVector;
         }
       }
     }
       }
     }
   }
   return partVector;
 }

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◆ GetMeanFreePath()

G4double G4LowEnergyIonisation::GetMeanFreePath	(	const G4Track &	track,
		G4double	previousStepSize,
		G4ForceCondition *	condition
	)

protectedvirtual

Implements G4eLowEnergyLoss.

Definition at line 690 of file G4LowEnergyIonisation.cc.

 {
    *cond = NotForced;
    G4int index = (track.GetMaterialCutsCouple())->GetIndex();
    const G4RDVEMDataSet* data = theMeanFreePath->GetComponent(index);
    G4double meanFreePath = data->FindValue(track.GetKineticEnergy());
    return meanFreePath;
 }

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◆ IsApplicable()

G4bool G4LowEnergyIonisation::IsApplicable ( const G4ParticleDefinition & particle )

virtual

Reimplemented from G4eLowEnergyLoss.

Definition at line 600 of file G4LowEnergyIonisation.cc.

 {
    return ( (&particle == G4Electron::Electron()) );
 }

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◆ operator=()

G4LowEnergyIonisation& G4LowEnergyIonisation::operator= ( const G4LowEnergyIonisation & right )

private

◆ PostStepDoIt()

G4VParticleChange * G4LowEnergyIonisation::PostStepDoIt	(	const G4Track &	track,
		const G4Step &	step
	)

virtual

Implements G4eLowEnergyLoss.

Definition at line 405 of file G4LowEnergyIonisation.cc.

 {
   // Delta electron production mechanism on base of the model
   // J. Stepanek " A program to determine the radiation spectra due
   // to a single atomic subshell ionisation by a particle or due to
   // deexcitation or decay of radionuclides",
   // Comp. Phys. Comm. 1206 pp 1-19 (1997)
 
   aParticleChange.Initialize(track);
 
   const G4MaterialCutsCouple* couple = track.GetMaterialCutsCouple();
   G4double kineticEnergy = track.GetKineticEnergy();
 
   // Select atom and shell
 
   G4int Z = crossSectionHandler->SelectRandomAtom(couple, kineticEnergy);
   G4int shell = crossSectionHandler->SelectRandomShell(Z, kineticEnergy);
   const G4RDAtomicShell* atomicShell =
                 (G4RDAtomicTransitionManager::Instance())->Shell(Z, shell);
   G4double bindingEnergy = atomicShell->BindingEnergy();
   G4int shellId = atomicShell->ShellId();
 
   // Sample delta energy
 
   G4int    index  = couple->GetIndex();
   G4double tCut   = cutForDelta[index];
   G4double tmax   = energySpectrum->MaxEnergyOfSecondaries(kineticEnergy);
   G4double tDelta = energySpectrum->SampleEnergy(Z, tCut, tmax,
                                                  kineticEnergy, shell);
 
   if(tDelta == 0.0)
     return G4VContinuousDiscreteProcess::PostStepDoIt(track, step);
 
   // Transform to shell potential
   G4double deltaKinE = tDelta + 2.0*bindingEnergy;
   G4double primaryKinE = kineticEnergy + 2.0*bindingEnergy;
 
   // sampling of scattering angle neglecting atomic motion
   G4double deltaMom = std::sqrt(deltaKinE*(deltaKinE + 2.0*electron_mass_c2));
   G4double primaryMom = std::sqrt(primaryKinE*(primaryKinE + 2.0*electron_mass_c2));
 
   G4double cost = deltaKinE * (primaryKinE + 2.0*electron_mass_c2)
                             / (deltaMom * primaryMom);
 
   if (cost > 1.) cost = 1.;
   G4double sint = std::sqrt(1. - cost*cost);
   G4double phi  = twopi * G4UniformRand();
   G4double dirx = sint * std::cos(phi);
   G4double diry = sint * std::sin(phi);
   G4double dirz = cost;
 
   // Rotate to incident electron direction
   G4ThreeVector primaryDirection = track.GetMomentumDirection();
   G4ThreeVector deltaDir(dirx,diry,dirz);
   deltaDir.rotateUz(primaryDirection);
   dirx = deltaDir.x();
   diry = deltaDir.y();
   dirz = deltaDir.z();
 
 
   // Take into account atomic motion del is relative momentum of the motion
   // kinetic energy of the motion == bindingEnergy in V.Ivanchenko model
 
   cost = 2.0*G4UniformRand() - 1.0;
   sint = std::sqrt(1. - cost*cost);
   phi  = twopi * G4UniformRand();
   G4double del = std::sqrt(bindingEnergy *(bindingEnergy + 2.0*electron_mass_c2))
                / deltaMom;
   dirx += del* sint * std::cos(phi);
   diry += del* sint * std::sin(phi);
   dirz += del* cost;
 
   // Find out new primary electron direction
   G4double finalPx = primaryMom*primaryDirection.x() - deltaMom*dirx;
   G4double finalPy = primaryMom*primaryDirection.y() - deltaMom*diry;
   G4double finalPz = primaryMom*primaryDirection.z() - deltaMom*dirz;
 
   // create G4DynamicParticle object for delta ray
   G4DynamicParticle* theDeltaRay = new G4DynamicParticle();
   theDeltaRay->SetKineticEnergy(tDelta);
   G4double norm = 1.0/std::sqrt(dirx*dirx + diry*diry + dirz*dirz);
   dirx *= norm;
   diry *= norm;
   dirz *= norm;
   theDeltaRay->SetMomentumDirection(dirx, diry, dirz);
   theDeltaRay->SetDefinition(G4Electron::Electron());
 
   G4double theEnergyDeposit = bindingEnergy;
 
   // fill ParticleChange
   // changed energy and momentum of the actual particle
 
   G4double finalKinEnergy = kineticEnergy - tDelta - theEnergyDeposit;
   if(finalKinEnergy < 0.0) {
     theEnergyDeposit += finalKinEnergy;
     finalKinEnergy    = 0.0;
     aParticleChange.ProposeTrackStatus(fStopAndKill);
 
   } else {
 
     G4double norm = 1.0/std::sqrt(finalPx*finalPx+finalPy*finalPy+finalPz*finalPz);
     finalPx *= norm;
     finalPy *= norm;
     finalPz *= norm;
     aParticleChange.ProposeMomentumDirection(finalPx, finalPy, finalPz);
   }
 
   aParticleChange.ProposeEnergy(finalKinEnergy);
 
   // Generation of Fluorescence and Auger
   size_t nSecondaries = 0;
   size_t totalNumber  = 1;
   std::vector<G4DynamicParticle*>* secondaryVector = 0;
   G4DynamicParticle* aSecondary = 0;
   G4ParticleDefinition* type = 0;
 
   // Fluorescence data start from element 6
 
   if (Fluorescence() && Z > 5 && (bindingEnergy >= cutForPhotons
             ||  bindingEnergy >= cutForElectrons)) {
 
     secondaryVector = deexcitationManager.GenerateParticles(Z, shellId);
 
     if (secondaryVector != 0) {
 
       nSecondaries = secondaryVector->size();
       for (size_t i = 0; i<nSecondaries; i++) {
 
         aSecondary = (*secondaryVector)[i];
         if (aSecondary) {
 
           G4double e = aSecondary->GetKineticEnergy();
           type = aSecondary->GetDefinition();
           if (e < theEnergyDeposit &&
                 ((type == G4Gamma::Gamma() && e > cutForPhotons ) ||
                  (type == G4Electron::Electron() && e > cutForElectrons ))) {
 
              theEnergyDeposit -= e;
              totalNumber++;
 
       } else {
 
              delete aSecondary;
              (*secondaryVector)[i] = 0;
       }
     }
       }
     }
   }
 
   // Save delta-electrons
 
   aParticleChange.SetNumberOfSecondaries(totalNumber);
   aParticleChange.AddSecondary(theDeltaRay);
 
   // Save Fluorescence and Auger
 
   if (secondaryVector) {
 
     for (size_t l = 0; l < nSecondaries; l++) {
 
       aSecondary = (*secondaryVector)[l];
 
       if(aSecondary) {
 
         aParticleChange.AddSecondary(aSecondary);
       }
     }
     delete secondaryVector;
   }
 
   if(theEnergyDeposit < 0.) {
     G4cout << "G4LowEnergyIonisation: Negative energy deposit: "
            << theEnergyDeposit/eV << " eV" << G4endl;
     theEnergyDeposit = 0.0;
   }
   aParticleChange.ProposeLocalEnergyDeposit(theEnergyDeposit);
 
   return G4VContinuousDiscreteProcess::PostStepDoIt(track, step);
 }

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◆ PrintInfoDefinition()

void G4LowEnergyIonisation::PrintInfoDefinition ( )

Definition at line 588 of file G4LowEnergyIonisation.cc.

 {
   G4String comments = "Total cross sections from EEDL database.";
   comments += "\n      Gamma energy sampled from a parametrised formula.";
   comments += "\n      Implementation of the continuous dE/dx part.";
   comments += "\n      At present it can be used for electrons ";
   comments += "in the energy range [250eV,100GeV].";
   comments += "\n      The process must work with G4LowEnergyBremsstrahlung.";
 
   G4cout << G4endl << GetProcessName() << ":  " << comments << G4endl;
 }

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◆ SetCutForLowEnSecElectrons()

void G4LowEnergyIonisation::SetCutForLowEnSecElectrons ( G4double cut )

Definition at line 707 of file G4LowEnergyIonisation.cc.

 {
   cutForElectrons = cut;
   deexcitationManager.SetCutForAugerElectrons(cut);
 }

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◆ SetCutForLowEnSecPhotons()

void G4LowEnergyIonisation::SetCutForLowEnSecPhotons ( G4double cut )

Definition at line 701 of file G4LowEnergyIonisation.cc.

 {
   cutForPhotons = cut;
   deexcitationManager.SetCutForSecondaryPhotons(cut);
 }

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Member Data Documentation

◆ crossSectionHandler

G4RDVCrossSectionHandler* G4LowEnergyIonisation::crossSectionHandler

private

Definition at line 114 of file G4LowEnergyIonisation.hh.

◆ cutForDelta

G4DataVector G4LowEnergyIonisation::cutForDelta

private

Definition at line 119 of file G4LowEnergyIonisation.hh.

◆ cutForElectrons

G4double G4LowEnergyIonisation::cutForElectrons

private

Definition at line 121 of file G4LowEnergyIonisation.hh.

◆ cutForPhotons

G4double G4LowEnergyIonisation::cutForPhotons

private

Definition at line 120 of file G4LowEnergyIonisation.hh.

◆ deexcitationManager

G4RDAtomicDeexcitation G4LowEnergyIonisation::deexcitationManager

private

Definition at line 122 of file G4LowEnergyIonisation.hh.

◆ energySpectrum

G4RDVEnergySpectrum* G4LowEnergyIonisation::energySpectrum

private

Definition at line 116 of file G4LowEnergyIonisation.hh.

◆ shellVacancy

G4RDShellVacancy* G4LowEnergyIonisation::shellVacancy

private

Definition at line 123 of file G4LowEnergyIonisation.hh.

◆ theMeanFreePath

G4RDVEMDataSet* G4LowEnergyIonisation::theMeanFreePath

private

Definition at line 115 of file G4LowEnergyIonisation.hh.

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

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ G4LowEnergyIonisation() [1/2]

◆ ~G4LowEnergyIonisation()

◆ G4LowEnergyIonisation() [2/2]

Member Function Documentation

◆ ActivateAuger()

◆ BuildLossTable()

◆ BuildPhysicsTable()

◆ DeexciteAtom()

◆ GetMeanFreePath()

◆ IsApplicable()

◆ operator=()

◆ PostStepDoIt()

◆ PrintInfoDefinition()

◆ SetCutForLowEnSecElectrons()

◆ SetCutForLowEnSecPhotons()

Member Data Documentation

◆ crossSectionHandler

◆ cutForDelta

◆ cutForElectrons

◆ cutForPhotons

◆ deexcitationManager

◆ energySpectrum

◆ shellVacancy

◆ theMeanFreePath