#include <G4DNABornIonisationModel2.hh>

Inheritance diagram for G4DNABornIonisationModel2:

Collaboration diagram for G4DNABornIonisationModel2:

Public Member Functions
	G4DNABornIonisationModel2 (const G4ParticleDefinition *p=0, const G4String &nam="DNABornIonisationModel")

virtual	~G4DNABornIonisationModel2 ()

virtual void	Initialise (const G4ParticleDefinition , const G4DataVector &= (new G4DataVector()))

virtual G4double	CrossSectionPerVolume (const G4Material material, const G4ParticleDefinition p, G4double ekin, G4double emin, G4double emax)

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

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

double	DifferentialCrossSection (G4ParticleDefinition *aParticleDefinition, G4double k, G4double energyTransfer, G4int shell)

G4double	TransferedEnergy (G4ParticleDefinition *aParticleDefinition, G4double incomingParticleEnergy, G4int shell, G4double random)

void	SelectFasterComputation (G4bool input)

void	SelectStationary (G4bool input)

void	SelectSPScaling (G4bool input)

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

virtual	~G4VEmModel ()

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	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 > )

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)

G4int	SelectIsotopeNumber (const G4Element *)

const G4Element *	SelectRandomAtom (const G4MaterialCutsCouple , const G4ParticleDefinition , G4double kineticEnergy, 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 *)

void	SetParticleChange (G4VParticleChange , G4VEmFluctuationModel f=0)

void	SetCrossSectionTable (G4PhysicsTable *, G4bool isLocal)

G4ElementData *	GetElementData ()

G4PhysicsTable *	GetCrossSectionTable ()

G4VEmFluctuationModel *	GetModelOfFluctuations ()

G4VEmAngularDistribution *	GetAngularDistribution ()

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)

void	SetPolarAngleLimit (G4double)

void	SetSecondaryThreshold (G4double)

void	SetLPMFlag (G4bool val)

void	SetDeexcitationFlag (G4bool val)

void	SetForceBuildTable (G4bool val)

void	SetMasterThread (G4bool val)

G4bool	IsMaster () 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)

Protected Attributes
G4ParticleChangeForGamma *	fParticleChangeForGamma

Protected Attributes inherited from G4VEmModel
G4ElementData *	fElementData

G4VParticleChange *	pParticleChange

G4PhysicsTable *	xSectionTable

const std::vector< G4double > *	theDensityFactor

const std::vector< G4int > *	theDensityIdx

size_t	idxTable

Private Types
typedef std::map< double, std::map< double, double > >	TriDimensionMap

typedef std::map< double, std::vector< double > >	VecMap

Private Member Functions
G4double	RandomizeEjectedElectronEnergy (G4ParticleDefinition *aParticleDefinition, G4double incomingParticleEnergy, G4int shell)

G4double	RandomizeEjectedElectronEnergyFromCumulatedDcs (G4ParticleDefinition *aParticleDefinition, G4double incomingParticleEnergy, G4int shell)

G4double	Interpolate (G4double e1, G4double e2, G4double e, G4double xs1, G4double xs2)

G4double	QuadInterpolator (G4double e11, G4double e12, G4double e21, G4double e22, G4double x11, G4double x12, G4double x21, G4double x22, G4double t1, G4double t2, G4double t, G4double e)

G4int	RandomSelect (G4double energy)

G4DNABornIonisationModel2 &	operator= (const G4DNABornIonisationModel2 &right)

	G4DNABornIonisationModel2 (const G4DNABornIonisationModel2 &)

Private Attributes
G4bool	fasterCode

G4bool	statCode

G4bool	spScaling

const std::vector< G4double > *	fpMolWaterDensity

G4VAtomDeexcitation *	fAtomDeexcitation

G4double	fLowEnergyLimit

G4double	fHighEnergyLimit

const G4ParticleDefinition *	fParticleDef

G4bool	isInitialised

G4int	verboseLevel

G4String	fTableFile

G4DNACrossSectionDataSet *	fTableData

G4DNAWaterIonisationStructure	waterStructure

TriDimensionMap	fDiffCrossSectionData [6]

TriDimensionMap	fNrjTransfData [6]

std::vector< double >	fTdummyVec

VecMap	fVecm

VecMap	fProbaShellMap [6]

Additional Inherited Members
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 G4VEmModel
static const G4double	inveplus = 1.0/CLHEP::eplus

Detailed Description

Definition at line 48 of file G4DNABornIonisationModel2.hh.

Member Typedef Documentation

◆ TriDimensionMap

typedef std::map<double, std::map<double, double> > G4DNABornIonisationModel2::TriDimensionMap

private

Definition at line 138 of file G4DNABornIonisationModel2.hh.

◆ VecMap

typedef std::map<double, std::vector<double> > G4DNABornIonisationModel2::VecMap

private

Definition at line 145 of file G4DNABornIonisationModel2.hh.

Constructor & Destructor Documentation

◆ G4DNABornIonisationModel2() [1/2]

G4DNABornIonisationModel2::G4DNABornIonisationModel2	(	const G4ParticleDefinition *	p = `0`,
		const G4String &	nam = `"DNABornIonisationModel"`
	)

Definition at line 45 of file G4DNABornIonisationModel2.cc.

                                                                           :
     G4VEmModel(nam), isInitialised(false)
 {
   verboseLevel = 0;
   // Verbosity scale:
   // 0 = nothing
   // 1 = warning for energy non-conservation
   // 2 = details of energy budget
   // 3 = calculation of cross sections, file openings, sampling of atoms
   // 4 = entering in methods
 
   if (verboseLevel > 0)
   {
     G4cout << "Born ionisation model is constructed " << G4endl;
   }
 
   //Mark this model as "applicable" for atomic deexcitation
   SetDeexcitationFlag(true);
   fAtomDeexcitation = 0;
   fParticleChangeForGamma = 0;
   fpMolWaterDensity = 0;
   fTableData = 0;
   fLowEnergyLimit = 0;
   fHighEnergyLimit = 0;
   fParticleDef = 0;
 
   // define default angular generator
   SetAngularDistribution(new G4DNABornAngle());
 
   // Selection of computation method
 
   fasterCode = false;
 
   // Selection of stationary mode
 
   statCode = false;
 
   // Selection of SP scaling
 
   spScaling = true;
 }

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◆ ~G4DNABornIonisationModel2()

G4DNABornIonisationModel2::~G4DNABornIonisationModel2 ( )

virtual

Definition at line 90 of file G4DNABornIonisationModel2.cc.

 {
   // Cross section
 
   if (fTableData)
     delete fTableData;
 
   // Final state
 
   fVecm.clear();
 }

◆ G4DNABornIonisationModel2() [2/2]

G4DNABornIonisationModel2::G4DNABornIonisationModel2 ( const G4DNABornIonisationModel2 & )

private

Member Function Documentation

◆ CrossSectionPerVolume()

G4double G4DNABornIonisationModel2::CrossSectionPerVolume	(	const G4Material *	material,
		const G4ParticleDefinition *	p,
		G4double	ekin,
		G4double	emin,
		G4double	emax
	)

virtual

Reimplemented from G4VEmModel.

Definition at line 259 of file G4DNABornIonisationModel2.cc.

 {
   if (verboseLevel > 3)
   {
     G4cout << "Calling CrossSectionPerVolume() of G4DNABornIonisationModel2"
         << G4endl;
   }
 
   if (particleDefinition != fParticleDef) return 0;
 
   // Calculate total cross section for model
 
   G4double sigma=0;
 
   G4double waterDensity = (*fpMolWaterDensity)[material->GetIndex()];
 
   if(waterDensity!= 0.0)
   {
     if (ekin >= fLowEnergyLimit && ekin < fHighEnergyLimit)
     {
       sigma = fTableData->FindValue(ekin);
           
       // ICRU49 electronic SP scaling - ZF, SI
 
       if (particleDefinition == G4Proton::ProtonDefinition() && ekin < 70*MeV && spScaling)
       {
         G4double A = 1.39241700556072800000E-009 ;
         G4double B = -8.52610412942622630000E-002 ;
         sigma = sigma * std::exp(A*(ekin/eV)+B);
       }
       //
     }
 
     if (verboseLevel > 2)
     {
       G4cout << "__________________________________" << G4endl;
       G4cout << "G4DNABornIonisationModel2 - XS INFO START" << G4endl;
       G4cout << "Kinetic energy(eV)=" << ekin/eV << " particle : " << particleDefinition->GetParticleName() << G4endl;
       G4cout << "Cross section per water molecule (cm^2)=" << sigma/cm/cm << G4endl;
       G4cout << "Cross section per water molecule (cm^-1)=" << sigma*waterDensity/(1./cm) << G4endl;
       G4cout << "G4DNABornIonisationModel2 - XS INFO END" << G4endl;
     }
   } // if (waterMaterial)
 
   return sigma*waterDensity;
 }

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◆ DifferentialCrossSection()

double G4DNABornIonisationModel2::DifferentialCrossSection	(	G4ParticleDefinition *	aParticleDefinition,
		G4double	k,
		G4double	energyTransfer,
		G4int	shell
	)

Definition at line 606 of file G4DNABornIonisationModel2.cc.

 {
   G4double sigma = 0.;
 
   if (energyTransfer >= waterStructure.IonisationEnergy(ionizationLevelIndex))
   {
     G4double valueT1 = 0;
     G4double valueT2 = 0;
     G4double valueE21 = 0;
     G4double valueE22 = 0;
     G4double valueE12 = 0;
     G4double valueE11 = 0;
 
     G4double xs11 = 0;
     G4double xs12 = 0;
     G4double xs21 = 0;
     G4double xs22 = 0;
 
     // k should be in eV and energy transfer eV also
 
     std::vector<double>::iterator t2 = std::upper_bound(fTdummyVec.begin(),
                                                         fTdummyVec.end(),
                                                         k);
 
     std::vector<double>::iterator t1 = t2 - 1;
 
     // SI : the following condition avoids situations where energyTransfer >last vector element
     if (energyTransfer <= fVecm[(*t1)].back()
         && energyTransfer <= fVecm[(*t2)].back())
     {
       std::vector<double>::iterator e12 = std::upper_bound(fVecm[(*t1)].begin(),
                                                            fVecm[(*t1)].end(),
                                                            energyTransfer);
       std::vector<double>::iterator e11 = e12 - 1;
 
       std::vector<double>::iterator e22 = std::upper_bound(fVecm[(*t2)].begin(),
                                                            fVecm[(*t2)].end(),
                                                            energyTransfer);
       std::vector<double>::iterator e21 = e22 - 1;
 
       valueT1 = *t1;
       valueT2 = *t2;
       valueE21 = *e21;
       valueE22 = *e22;
       valueE12 = *e12;
       valueE11 = *e11;
 
       xs11 = fDiffCrossSectionData[ionizationLevelIndex][valueT1][valueE11];
       xs12 = fDiffCrossSectionData[ionizationLevelIndex][valueT1][valueE12];
       xs21 = fDiffCrossSectionData[ionizationLevelIndex][valueT2][valueE21];
       xs22 = fDiffCrossSectionData[ionizationLevelIndex][valueT2][valueE22];
 
     }
 
     G4double xsProduct = xs11 * xs12 * xs21 * xs22;
     if (xsProduct != 0.)
     {
       sigma = QuadInterpolator(valueE11,
                                valueE12,
                                valueE21,
                                valueE22,
                                xs11,
                                xs12,
                                xs21,
                                xs22,
                                valueT1,
                                valueT2,
                                k,
                                energyTransfer);
     }
   }
 
   return sigma;
 }

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◆ GetPartialCrossSection()

G4double G4DNABornIonisationModel2::GetPartialCrossSection	(	const G4Material *	,
		G4int	level,
		const G4ParticleDefinition *	,
		G4double	kineticEnergy
	)

virtual

Reimplemented from G4VEmModel.

Definition at line 776 of file G4DNABornIonisationModel2.cc.

 {
   return fTableData->GetComponent(level)->FindValue(kineticEnergy);
 }

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◆ Initialise()

void G4DNABornIonisationModel2::Initialise	(	const G4ParticleDefinition *	particle,
		const G4DataVector &	= `*(new G4DataVector())`
	)

virtual

Implements G4VEmModel.

Definition at line 104 of file G4DNABornIonisationModel2.cc.

 {
 
   if (verboseLevel > 3)
   {
     G4cout << "Calling G4DNABornIonisationModel2::Initialise()" << G4endl;
   }
 
   if(fParticleDef != 0 && particle != fParticleDef)
   {
     G4ExceptionDescription description;
     description << "You are trying to initialized G4DNABornIonisationModel2 "
     "for particle "
     << particle->GetParticleName()
     << G4endl;
     description << "G4DNABornIonisationModel2 was already initiliased "
     "for particle:" << fParticleDef->GetParticleName() << G4endl;
     G4Exception("G4DNABornIonisationModel2::Initialise","bornIonInit",
         FatalException,description);
   }
 
   fParticleDef = particle;
 
   // Energy limits
   char *path = getenv("G4LEDATA");
 
   // ***
 
   G4String particleName = particle->GetParticleName();
   std::ostringstream fullFileName;
   fullFileName << path;
 
   if(particleName == "e-")
   {
     fTableFile = "dna/sigma_ionisation_e_born";
     fLowEnergyLimit = 11.*eV;
     fHighEnergyLimit = 1.*MeV;
 
     if (fasterCode)
     {
       fullFileName << "/dna/sigmadiff_cumulated_ionisation_e_born_hp.dat";
     }
     else
     {
       fullFileName << "/dna/sigmadiff_ionisation_e_born.dat";
     }
   }
   else if(particleName == "proton")
   {
     fTableFile = "dna/sigma_ionisation_p_born";
     fLowEnergyLimit = 500. * keV;
     fHighEnergyLimit = 100. * MeV;
 
     if (fasterCode)
     {
       fullFileName << "/dna/sigmadiff_cumulated_ionisation_p_born_hp.dat";
     }
     else
     {
       fullFileName << "/dna/sigmadiff_ionisation_p_born.dat";
     }
   }
 
   // Cross section
   G4double scaleFactor = (1.e-22 / 3.343) * m*m;
   fTableData = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor );
   fTableData->LoadData(fTableFile);
 
   // Final state
 
   std::ifstream diffCrossSection(fullFileName.str().c_str());
 
   if (!diffCrossSection)
   {
     G4ExceptionDescription description;
     description << "Missing data file:" << G4endl << fullFileName.str() << G4endl;
     G4Exception("G4DNABornIonisationModel2::Initialise","em0003",
         FatalException,description);
   }
 
   //
 
   // Clear the arrays for re-initialization case (MT mode)
   // March 25th, 2014 - Vaclav Stepan, Sebastien Incerti
 
   fTdummyVec.clear();
   fVecm.clear();
 
   for (int j=0; j<5; j++)
   {
     fProbaShellMap[j].clear();
     fDiffCrossSectionData[j].clear();
     fNrjTransfData[j].clear();
   }
   //
 
   fTdummyVec.push_back(0.);
   while(!diffCrossSection.eof())
   {
     double tDummy;
     double eDummy;
     diffCrossSection>>tDummy>>eDummy;
     if (tDummy != fTdummyVec.back()) fTdummyVec.push_back(tDummy);
 
     double tmp;
     for (int j=0; j<5; j++)
     {
       diffCrossSection>> tmp;
 
       fDiffCrossSectionData[j][tDummy][eDummy] = tmp;
 
       if (fasterCode)
       {
         fNrjTransfData[j][tDummy][fDiffCrossSectionData[j][tDummy][eDummy]]=eDummy;
         fProbaShellMap[j][tDummy].push_back(fDiffCrossSectionData[j][tDummy][eDummy]);
       }
 
       // SI - only if eof is not reached
       if (!diffCrossSection.eof() && !fasterCode) fDiffCrossSectionData[j][tDummy][eDummy]*=scaleFactor;
 
       if (!fasterCode) fVecm[tDummy].push_back(eDummy);
 
     }
   }
 
   //
   SetLowEnergyLimit(fLowEnergyLimit);
   SetHighEnergyLimit(fHighEnergyLimit);
 
   if( verboseLevel>0 )
   {
     G4cout << "Born ionisation model is initialized " << G4endl
     << "Energy range: "
     << LowEnergyLimit() / eV << " eV - "
     << HighEnergyLimit() / keV << " keV for "
     << particle->GetParticleName()
     << G4endl;
   }
 
   // Initialize water density pointer
   fpMolWaterDensity = G4DNAMolecularMaterial::Instance()->
   GetNumMolPerVolTableFor(G4Material::GetMaterial("G4_WATER"));
 
   //
   fAtomDeexcitation = G4LossTableManager::Instance()->AtomDeexcitation();
 
   if (isInitialised)
   { return;}
   fParticleChangeForGamma = GetParticleChangeForGamma();
   isInitialised = true;
 }

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◆ Interpolate()

G4double G4DNABornIonisationModel2::Interpolate	(	G4double	e1,
		G4double	e2,
		G4double	e,
		G4double	xs1,
		G4double	xs2
	)

private

Definition at line 686 of file G4DNABornIonisationModel2.cc.

 {
   G4double value = 0.;
 
   // Log-log interpolation by default
 
   if (e1 != 0 && e2 != 0 && (std::log10(e2) - std::log10(e1)) != 0
       && !fasterCode)
   {
     G4double a = (std::log10(xs2) - std::log10(xs1))
         / (std::log10(e2) - std::log10(e1));
     G4double b = std::log10(xs2) - a * std::log10(e2);
     G4double sigma = a * std::log10(e) + b;
     value = (std::pow(10., sigma));
   }
 
   // Switch to lin-lin interpolation
   /*
    if ((e2-e1)!=0)
    {
    G4double d1 = xs1;
    G4double d2 = xs2;
    value = (d1 + (d2 - d1)*(e - e1)/ (e2 - e1));
    }
    */
 
   // Switch to log-lin interpolation for faster code
   if ((e2 - e1) != 0 && xs1 != 0 && xs2 != 0 && fasterCode)
   {
     G4double d1 = std::log10(xs1);
     G4double d2 = std::log10(xs2);
     value = std::pow(10., (d1 + (d2 - d1) * (e - e1) / (e2 - e1)));
   }
 
   // Switch to lin-lin interpolation for faster code
   // in case one of xs1 or xs2 (=cum proba) value is zero
 
   if ((e2 - e1) != 0 && (xs1 == 0 || xs2 == 0) && fasterCode)
   {
     G4double d1 = xs1;
     G4double d2 = xs2;
     value = (d1 + (d2 - d1) * (e - e1) / (e2 - e1));
   }
 
   /*
    G4cout
    << e1 << " "
    << e2 << " "
    << e  << " "
    << xs1 << " "
    << xs2 << " "
    << value
    << G4endl;
    */
 
   return value;
 }

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◆ operator=()

G4DNABornIonisationModel2& G4DNABornIonisationModel2::operator= ( const G4DNABornIonisationModel2 & right )

private

◆ QuadInterpolator()

G4double G4DNABornIonisationModel2::QuadInterpolator	(	G4double	e11,
		G4double	e12,
		G4double	e21,
		G4double	e22,
		G4double	x11,
		G4double	x12,
		G4double	x21,
		G4double	x22,
		G4double	t1,
		G4double	t2,
		G4double	t,
		G4double	e
	)

private

Definition at line 750 of file G4DNABornIonisationModel2.cc.

 {
   G4double interpolatedvalue1 = Interpolate(e11, e12, e, xs11, xs12);
   G4double interpolatedvalue2 = Interpolate(e21, e22, e, xs21, xs22);
   G4double value = Interpolate(t1,
                                t2,
                                t,
                                interpolatedvalue1,
                                interpolatedvalue2);
 
   return value;
 }

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◆ RandomizeEjectedElectronEnergy()

G4double G4DNABornIonisationModel2::RandomizeEjectedElectronEnergy	(	G4ParticleDefinition *	aParticleDefinition,
		G4double	incomingParticleEnergy,
		G4int	shell
	)

private

Definition at line 468 of file G4DNABornIonisationModel2.cc.

 {
   // G4cout << "*** SLOW computation for " << " " << particleDefinition->GetParticleName() << G4endl;
 
   if (particleDefinition == G4Electron::ElectronDefinition())
   {
     G4double maximumEnergyTransfer = 0.;
     if ((k + waterStructure.IonisationEnergy(shell)) / 2. > k)
       maximumEnergyTransfer = k;
     else
       maximumEnergyTransfer = (k + waterStructure.IonisationEnergy(shell)) / 2.;
 
     // SI : original method
     /*
      G4double crossSectionMaximum = 0.;
      for(G4double value=waterStructure.IonisationEnergy(shell); value<=maximumEnergyTransfer; value+=0.1*eV)
      {
      G4double differentialCrossSection = DifferentialCrossSection(particleDefinition, k/eV, value/eV, shell);
      if(differentialCrossSection >= crossSectionMaximum) crossSectionMaximum = differentialCrossSection;
      }
      */
 
     // SI : alternative method
     G4double crossSectionMaximum = 0.;
 
     G4double minEnergy = waterStructure.IonisationEnergy(shell);
     G4double maxEnergy = maximumEnergyTransfer;
     G4int nEnergySteps = 50;
 
     G4double value(minEnergy);
     G4double stpEnergy(std::pow(maxEnergy / value,
                                 1. / static_cast<G4double>(nEnergySteps - 1)));
     G4int step(nEnergySteps);
     while (step > 0)
     {
       step--;
       G4double differentialCrossSection =
           DifferentialCrossSection(particleDefinition,
                                    k / eV,
                                    value / eV,
                                    shell);
       if (differentialCrossSection >= crossSectionMaximum)
         crossSectionMaximum = differentialCrossSection;
       value *= stpEnergy;
     }
     //
 
     G4double secondaryElectronKineticEnergy = 0.;
     do
     {
       secondaryElectronKineticEnergy = G4UniformRand()* (maximumEnergyTransfer-waterStructure.IonisationEnergy(shell));
     }while(G4UniformRand()*crossSectionMaximum >
         DifferentialCrossSection(particleDefinition, k/eV,
             (secondaryElectronKineticEnergy+waterStructure.IonisationEnergy(shell))/eV,shell));
 
     return secondaryElectronKineticEnergy;
 
   }
 
   else if (particleDefinition == G4Proton::ProtonDefinition())
   {
     G4double maximumKineticEnergyTransfer = 4.
         * (electron_mass_c2 / proton_mass_c2) * k;
 
     G4double crossSectionMaximum = 0.;
     for (G4double value = waterStructure.IonisationEnergy(shell);
         value <= 4. * waterStructure.IonisationEnergy(shell); value += 0.1 * eV)
     {
       G4double differentialCrossSection =
           DifferentialCrossSection(particleDefinition,
                                    k / eV,
                                    value / eV,
                                    shell);
       if (differentialCrossSection >= crossSectionMaximum)
         crossSectionMaximum = differentialCrossSection;
     }
 
     G4double secondaryElectronKineticEnergy = 0.;
     do
     {
       secondaryElectronKineticEnergy = G4UniformRand()* maximumKineticEnergyTransfer;
     }while(G4UniformRand()*crossSectionMaximum >=
         DifferentialCrossSection(particleDefinition, k/eV,
             (secondaryElectronKineticEnergy+waterStructure.IonisationEnergy(shell))/eV,shell));
 
     return secondaryElectronKineticEnergy;
   }
 
   return 0;
 }

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◆ RandomizeEjectedElectronEnergyFromCumulatedDcs()

G4double G4DNABornIonisationModel2::RandomizeEjectedElectronEnergyFromCumulatedDcs	(	G4ParticleDefinition *	aParticleDefinition,
		G4double	incomingParticleEnergy,
		G4int	shell
	)

private

Definition at line 826 of file G4DNABornIonisationModel2.cc.

 {
   //G4cout << "*** FAST computation for " << " " << particleDefinition->GetParticleName() << G4endl;
 
   G4double secondaryElectronKineticEnergy = 0.;
 
   G4double random = G4UniformRand();
 
   secondaryElectronKineticEnergy = TransferedEnergy(particleDefinition,
                                                     k / eV,
                                                     shell,
                                                     random) * eV
       - waterStructure.IonisationEnergy(shell);
 
   //G4cout << TransferedEnergy(particleDefinition, k/eV, shell, random) << G4endl;
   // SI - 01/04/2014
   if (secondaryElectronKineticEnergy < 0.)
     return 0.;
   //
 
   return secondaryElectronKineticEnergy;
 }

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◆ RandomSelect()

G4int G4DNABornIonisationModel2::RandomSelect ( G4double energy )

private

Definition at line 786 of file G4DNABornIonisationModel2.cc.

 {
   G4int level = 0;
 
   G4double* valuesBuffer = new G4double[fTableData->NumberOfComponents()];
   const size_t n(fTableData->NumberOfComponents());
   size_t i(n);
   G4double value = 0.;
 
   while (i > 0)
   {
     i--;
     valuesBuffer[i] = fTableData->GetComponent(i)->FindValue(k);
     value += valuesBuffer[i];
   }
 
   value *= G4UniformRand();
 
   i = n;
 
   while (i > 0)
   {
     i--;
 
     if (valuesBuffer[i] > value)
     {
       delete[] valuesBuffer;
       return i;
     }
     value -= valuesBuffer[i];
   }
 
   if (valuesBuffer)
     delete[] valuesBuffer;
 
   return level;
 }

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◆ SampleSecondaries()

void G4DNABornIonisationModel2::SampleSecondaries	(	std::vector< G4DynamicParticle >	fvect,
		const G4MaterialCutsCouple *	couple,
		const G4DynamicParticle *	particle,
		G4double	tmin,
		G4double	maxEnergy
	)

virtual

Implements G4VEmModel.

Definition at line 312 of file G4DNABornIonisationModel2.cc.

 {
 
   if (verboseLevel > 3)
   {
     G4cout << "Calling SampleSecondaries() of G4DNABornIonisationModel2"
         << G4endl;
   }
 
   G4double k = particle->GetKineticEnergy();
 
   if (k >= fLowEnergyLimit && k < fHighEnergyLimit)
   {
     G4ParticleMomentum primaryDirection = particle->GetMomentumDirection();
     G4double particleMass = particle->GetDefinition()->GetPDGMass();
     G4double totalEnergy = k + particleMass;
     G4double pSquare = k * (totalEnergy + particleMass);
     G4double totalMomentum = std::sqrt(pSquare);
 
     G4int ionizationShell = 0;
 
     if (!fasterCode) ionizationShell = RandomSelect(k);
 
     // SI: The following protection is necessary to avoid infinite loops :
     //  sigmadiff_ionisation_e_born.dat has non zero partial xs at 18 eV for shell 3 (ionizationShell ==2)
     //  sigmadiff_cumulated_ionisation_e_born.dat has zero cumulated partial xs at 18 eV for shell 3 (ionizationShell ==2)
     //  this is due to the fact that the max allowed transfered energy is (18+10.79)/2=17.025 eV and only transfered energies
     //  strictly above this value have non zero partial xs in sigmadiff_ionisation_e_born.dat (starting at trans = 17.12 eV)
 
     if (fasterCode)
     do
     {
       ionizationShell = RandomSelect(k);
     }while (k<19*eV && ionizationShell==2 && particle->GetDefinition()==G4Electron::ElectronDefinition());
 
     // AM: sample deexcitation
     // here we assume that H_{2}O electronic levels are the same as Oxygen.
     // this can be considered true with a rough 10% error in energy on K-shell,
 
     G4int secNumberInit = 0;// need to know at a certain point the energy of secondaries
     G4int secNumberFinal = 0;// So I'll make the diference and then sum the energies
 
     G4double bindingEnergy = 0;
     bindingEnergy = waterStructure.IonisationEnergy(ionizationShell);
 
     //SI: additional protection if tcs interpolation method is modified
     if (k<bindingEnergy) return;
     //
 
     G4int Z = 8;
     if(fAtomDeexcitation)
     {
       G4AtomicShellEnumerator as = fKShell;
 
       if (ionizationShell <5 && ionizationShell >1)
       {
         as = G4AtomicShellEnumerator(4-ionizationShell);
       }
       else if (ionizationShell <2)
       {
         as = G4AtomicShellEnumerator(3);
       }
 
       //    FOR DEBUG ONLY
       //    if (ionizationShell == 4) {
       //
       //      G4cout << "Z: " << Z << " as: " << as
       //               << " ionizationShell: " << ionizationShell << " bindingEnergy: "<< bindingEnergy/eV << G4endl;
       //        G4cout << "Press <Enter> key to continue..." << G4endl;
       //      G4cin.ignore();
       //    }
 
       const G4AtomicShell* shell = fAtomDeexcitation->GetAtomicShell(Z, as);
       secNumberInit = fvect->size();
       fAtomDeexcitation->GenerateParticles(fvect, shell, Z, 0, 0);
       secNumberFinal = fvect->size();
     }
 
     G4double secondaryKinetic=-1000*eV;
 
     if (fasterCode == false)
     {
       secondaryKinetic = RandomizeEjectedElectronEnergy(particle->GetDefinition(),k,ionizationShell);
     }
     // SI - 01/04/2014
     else
     {
       secondaryKinetic = RandomizeEjectedElectronEnergyFromCumulatedDcs(particle->GetDefinition(),k,ionizationShell);
     }
     //
 
     G4ThreeVector deltaDirection =
     GetAngularDistribution()->SampleDirectionForShell(particle, secondaryKinetic,
         Z, ionizationShell,
         couple->GetMaterial());
 
     if (particle->GetDefinition() == G4Electron::ElectronDefinition())
     {
       G4double deltaTotalMomentum = std::sqrt(secondaryKinetic*(secondaryKinetic + 2.*electron_mass_c2 ));
 
       G4double finalPx = totalMomentum*primaryDirection.x() - deltaTotalMomentum*deltaDirection.x();
       G4double finalPy = totalMomentum*primaryDirection.y() - deltaTotalMomentum*deltaDirection.y();
       G4double finalPz = totalMomentum*primaryDirection.z() - deltaTotalMomentum*deltaDirection.z();
       G4double finalMomentum = std::sqrt(finalPx*finalPx + finalPy*finalPy + finalPz*finalPz);
       finalPx /= finalMomentum;
       finalPy /= finalMomentum;
       finalPz /= finalMomentum;
 
       G4ThreeVector direction;
       direction.set(finalPx,finalPy,finalPz);
 
       fParticleChangeForGamma->ProposeMomentumDirection(direction.unit());
     }
 
     else fParticleChangeForGamma->ProposeMomentumDirection(primaryDirection);
 
     // note that secondaryKinetic is the energy of the delta ray, not of all secondaries.
     G4double scatteredEnergy = k-bindingEnergy-secondaryKinetic;
     G4double deexSecEnergy = 0;
     for (G4int j=secNumberInit; j < secNumberFinal; j++)
     {
       deexSecEnergy = deexSecEnergy + (*fvect)[j]->GetKineticEnergy();
     }
 
     if (!statCode)
     {
       fParticleChangeForGamma->SetProposedKineticEnergy(scatteredEnergy);
       fParticleChangeForGamma->ProposeLocalEnergyDeposit(k-scatteredEnergy-secondaryKinetic-deexSecEnergy);
     }
     else
     {
       fParticleChangeForGamma->SetProposedKineticEnergy(k);
       fParticleChangeForGamma->ProposeLocalEnergyDeposit(k-scatteredEnergy);
     }
 
     // SI - 01/04/2014
     if (secondaryKinetic>0)
     {
       G4DynamicParticle* dp = new G4DynamicParticle (G4Electron::Electron(),deltaDirection,secondaryKinetic);
       fvect->push_back(dp);
     }
     //
 
     const G4Track * theIncomingTrack = fParticleChangeForGamma->GetCurrentTrack();
     G4DNAChemistryManager::Instance()->CreateWaterMolecule(eIonizedMolecule,
         ionizationShell,
         theIncomingTrack);
   }
 }

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◆ SelectFasterComputation()

void G4DNABornIonisationModel2::SelectFasterComputation ( G4bool input )

inline

Definition at line 163 of file G4DNABornIonisationModel2.hh.

 { 
     fasterCode = input; 
 }        

◆ SelectSPScaling()

void G4DNABornIonisationModel2::SelectSPScaling ( G4bool input )

inline

Definition at line 177 of file G4DNABornIonisationModel2.hh.

 { 
     spScaling = input; 
 }        

◆ SelectStationary()

void G4DNABornIonisationModel2::SelectStationary ( G4bool input )

inline

Definition at line 170 of file G4DNABornIonisationModel2.hh.

 { 
     statCode = input; 
 }        

◆ TransferedEnergy()

G4double G4DNABornIonisationModel2::TransferedEnergy	(	G4ParticleDefinition *	aParticleDefinition,
		G4double	incomingParticleEnergy,
		G4int	shell,
		G4double	random
	)

Definition at line 853 of file G4DNABornIonisationModel2.cc.

 {
 
   G4double nrj = 0.;
 
   G4double valueK1 = 0;
   G4double valueK2 = 0;
   G4double valuePROB21 = 0;
   G4double valuePROB22 = 0;
   G4double valuePROB12 = 0;
   G4double valuePROB11 = 0;
 
   G4double nrjTransf11 = 0;
   G4double nrjTransf12 = 0;
   G4double nrjTransf21 = 0;
   G4double nrjTransf22 = 0;
 
   // k should be in eV
   std::vector<double>::iterator k2 = std::upper_bound(fTdummyVec.begin(),
                                                       fTdummyVec.end(),
                                                       k);
   std::vector<double>::iterator k1 = k2 - 1;
 
   /*
    G4cout << "----> k=" << k
    << " " << *k1
    << " " << *k2
    << " " << random
    << " " << ionizationLevelIndex
    << " " << eProbaShellMap[ionizationLevelIndex][(*k1)].back()
    << " " << eProbaShellMap[ionizationLevelIndex][(*k2)].back()
    << G4endl;
    */
 
   // SI : the following condition avoids situations where random >last vector element
   if (random <= fProbaShellMap[ionizationLevelIndex][(*k1)].back()
       && random <= fProbaShellMap[ionizationLevelIndex][(*k2)].back())
   {
     std::vector<double>::iterator prob12 =
         std::upper_bound(fProbaShellMap[ionizationLevelIndex][(*k1)].begin(),
                          fProbaShellMap[ionizationLevelIndex][(*k1)].end(),
                          random);
 
     std::vector<double>::iterator prob11 = prob12 - 1;
 
     std::vector<double>::iterator prob22 =
         std::upper_bound(fProbaShellMap[ionizationLevelIndex][(*k2)].begin(),
                          fProbaShellMap[ionizationLevelIndex][(*k2)].end(),
                          random);
 
     std::vector<double>::iterator prob21 = prob22 - 1;
 
     valueK1 = *k1;
     valueK2 = *k2;
     valuePROB21 = *prob21;
     valuePROB22 = *prob22;
     valuePROB12 = *prob12;
     valuePROB11 = *prob11;
 
     /*
      G4cout << "        " << random << " " << valuePROB11 << " "
      << valuePROB12 << " " << valuePROB21 << " " << valuePROB22 << G4endl;
      */
 
     nrjTransf11 = fNrjTransfData[ionizationLevelIndex][valueK1][valuePROB11];
     nrjTransf12 = fNrjTransfData[ionizationLevelIndex][valueK1][valuePROB12];
     nrjTransf21 = fNrjTransfData[ionizationLevelIndex][valueK2][valuePROB21];
     nrjTransf22 = fNrjTransfData[ionizationLevelIndex][valueK2][valuePROB22];
 
     /*
      G4cout << "        " << ionizationLevelIndex << " "
      << random << " " <<valueK1 << " " << valueK2 << G4endl;
 
      G4cout << "        " << random << " " << nrjTransf11 << " "
      << nrjTransf12 << " " << nrjTransf21 << " " <<nrjTransf22 << G4endl;
      */
 
   }
   // Avoids cases where cum xs is zero for k1 and is not for k2 (with always k1<k2)
   if (random > fProbaShellMap[ionizationLevelIndex][(*k1)].back())
   {
     std::vector<double>::iterator prob22 =
         std::upper_bound(fProbaShellMap[ionizationLevelIndex][(*k2)].begin(),
                          fProbaShellMap[ionizationLevelIndex][(*k2)].end(),
                          random);
 
     std::vector<double>::iterator prob21 = prob22 - 1;
 
     valueK1 = *k1;
     valueK2 = *k2;
     valuePROB21 = *prob21;
     valuePROB22 = *prob22;
 
     //G4cout << "        " << random << " " << valuePROB21 << " " << valuePROB22 << G4endl;
 
     nrjTransf21 = fNrjTransfData[ionizationLevelIndex][valueK2][valuePROB21];
     nrjTransf22 = fNrjTransfData[ionizationLevelIndex][valueK2][valuePROB22];
 
     G4double interpolatedvalue2 = Interpolate(valuePROB21,
                                               valuePROB22,
                                               random,
                                               nrjTransf21,
                                               nrjTransf22);
 
     // zeros are explicitly set
 
     G4double value = Interpolate(valueK1, valueK2, k, 0., interpolatedvalue2);
 
     /*
      G4cout << "        " << ionizationLevelIndex << " "
      << random << " " <<valueK1 << " " << valueK2 << G4endl;
 
      G4cout << "        " << random << " " << nrjTransf11 << " "
      << nrjTransf12 << " " << nrjTransf21 << " " <<nrjTransf22 << G4endl;
 
      G4cout << "ici" << " " << value << G4endl;
      */
 
     return value;
   }
 
   // End electron and proton cases
 
   G4double nrjTransfProduct = nrjTransf11 * nrjTransf12 * nrjTransf21
       * nrjTransf22;
   //G4cout << "nrjTransfProduct=" << nrjTransfProduct << G4endl;
 
   if (nrjTransfProduct != 0.)
   {
     nrj = QuadInterpolator(valuePROB11,
                            valuePROB12,
                            valuePROB21,
                            valuePROB22,
                            nrjTransf11,
                            nrjTransf12,
                            nrjTransf21,
                            nrjTransf22,
                            valueK1,
                            valueK2,
                            k,
                            random);
   }
   //G4cout << nrj << endl;
 
   return nrj;
 }

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Member Data Documentation

◆ fasterCode

G4bool G4DNABornIonisationModel2::fasterCode

private

Definition at line 93 of file G4DNABornIonisationModel2.hh.

◆ fAtomDeexcitation

G4VAtomDeexcitation* G4DNABornIonisationModel2::fAtomDeexcitation

private

Definition at line 101 of file G4DNABornIonisationModel2.hh.

◆ fDiffCrossSectionData

TriDimensionMap G4DNABornIonisationModel2::fDiffCrossSectionData[6]

private

Definition at line 140 of file G4DNABornIonisationModel2.hh.

◆ fHighEnergyLimit

G4double G4DNABornIonisationModel2::fHighEnergyLimit

private

Definition at line 104 of file G4DNABornIonisationModel2.hh.

◆ fLowEnergyLimit

G4double G4DNABornIonisationModel2::fLowEnergyLimit

private

Definition at line 103 of file G4DNABornIonisationModel2.hh.

◆ fNrjTransfData

TriDimensionMap G4DNABornIonisationModel2::fNrjTransfData[6]

private

Definition at line 141 of file G4DNABornIonisationModel2.hh.

◆ fParticleChangeForGamma

G4ParticleChangeForGamma* G4DNABornIonisationModel2::fParticleChangeForGamma

protected

Definition at line 89 of file G4DNABornIonisationModel2.hh.

◆ fParticleDef

const G4ParticleDefinition* G4DNABornIonisationModel2::fParticleDef

private

Definition at line 106 of file G4DNABornIonisationModel2.hh.

◆ fpMolWaterDensity

const std::vector<G4double>* G4DNABornIonisationModel2::fpMolWaterDensity

private

Definition at line 98 of file G4DNABornIonisationModel2.hh.

◆ fProbaShellMap

VecMap G4DNABornIonisationModel2::fProbaShellMap[6]

private

Definition at line 148 of file G4DNABornIonisationModel2.hh.

◆ fTableData

G4DNACrossSectionDataSet* G4DNABornIonisationModel2::fTableData

private

Definition at line 113 of file G4DNABornIonisationModel2.hh.

◆ fTableFile

G4String G4DNABornIonisationModel2::fTableFile

private

Definition at line 112 of file G4DNABornIonisationModel2.hh.

◆ fTdummyVec

std::vector<double> G4DNABornIonisationModel2::fTdummyVec

private

Definition at line 143 of file G4DNABornIonisationModel2.hh.

◆ fVecm

VecMap G4DNABornIonisationModel2::fVecm

private

Definition at line 147 of file G4DNABornIonisationModel2.hh.

◆ isInitialised

G4bool G4DNABornIonisationModel2::isInitialised

private

Definition at line 108 of file G4DNABornIonisationModel2.hh.

◆ spScaling

G4bool G4DNABornIonisationModel2::spScaling

private

Definition at line 95 of file G4DNABornIonisationModel2.hh.

◆ statCode

G4bool G4DNABornIonisationModel2::statCode

private

Definition at line 94 of file G4DNABornIonisationModel2.hh.

◆ verboseLevel

G4int G4DNABornIonisationModel2::verboseLevel

private

Definition at line 109 of file G4DNABornIonisationModel2.hh.

◆ waterStructure

G4DNAWaterIonisationStructure G4DNABornIonisationModel2::waterStructure

private

Definition at line 117 of file G4DNABornIonisationModel2.hh.

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

Public Member Functions

Protected Attributes

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ TriDimensionMap

◆ VecMap

Constructor & Destructor Documentation

◆ G4DNABornIonisationModel2() [1/2]

◆ ~G4DNABornIonisationModel2()

◆ G4DNABornIonisationModel2() [2/2]

Member Function Documentation

◆ CrossSectionPerVolume()

◆ DifferentialCrossSection()

◆ GetPartialCrossSection()

◆ Initialise()

◆ Interpolate()

◆ operator=()

◆ QuadInterpolator()

◆ RandomizeEjectedElectronEnergy()

◆ RandomizeEjectedElectronEnergyFromCumulatedDcs()

◆ RandomSelect()

◆ SampleSecondaries()

◆ SelectFasterComputation()

◆ SelectSPScaling()

◆ SelectStationary()

◆ TransferedEnergy()

Member Data Documentation

◆ fasterCode

◆ fAtomDeexcitation

◆ fDiffCrossSectionData

◆ fHighEnergyLimit

◆ fLowEnergyLimit

◆ fNrjTransfData

◆ fParticleChangeForGamma

◆ fParticleDef

◆ fpMolWaterDensity

◆ fProbaShellMap

◆ fTableData

◆ fTableFile

◆ fTdummyVec

◆ fVecm

◆ isInitialised

◆ spScaling

◆ statCode

◆ verboseLevel

◆ waterStructure