#include <G4DNAOneStepThermalizationModel.hh>

Inheritance diagram for G4DNAOneStepThermalizationModel:

Collaboration diagram for G4DNAOneStepThermalizationModel:

Public Member Functions
	G4DNAOneStepThermalizationModel (const G4ParticleDefinition *p=0, const G4String &nam="DNASancheSolvatationModel")

virtual	~G4DNAOneStepThermalizationModel ()

virtual void	Initialise (const G4ParticleDefinition *, const 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)

void	SetVerbose (int)

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

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 Member Functions
G4ThreeVector	RadialDistributionOfProducts (G4double Rrms) const

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 *)

Protected Attributes
const std::vector< G4double > *	fpWaterDensity

G4ParticleChangeForGamma *	fParticleChangeForGamma

G4bool	fIsInitialised

G4int	fVerboseLevel

G4ITNavigator *	fNavigator

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 Member Functions
G4DNAOneStepThermalizationModel &	operator= (const G4DNAOneStepThermalizationModel &right)

	G4DNAOneStepThermalizationModel (const G4DNAOneStepThermalizationModel &)

Additional Inherited Members
Static Protected Attributes inherited from G4VEmModel
static const G4double	inveplus = 1.0/CLHEP::eplus

Detailed Description

When an electron reaches the highest energy domain of G4DNAOneStepThermalizationModel, it is then automatically converted into a solvated electron and displace from its original position using a published thermalization statistic.

Article: Jintana Meesungnoen, Jean-Paul Jay-Gerin, Abdelali Filali-Mouhim, and Samlee Mankhetkorn (2002) Low-Energy Electron Penetration Range in Liquid Water. Radiation Research: November 2002, Vol. 158, No. 5, pp. 657-660.

Definition at line 65 of file G4DNAOneStepThermalizationModel.hh.

Constructor & Destructor Documentation

◆ G4DNAOneStepThermalizationModel() [1/2]

G4DNAOneStepThermalizationModel::G4DNAOneStepThermalizationModel	(	const G4ParticleDefinition *	p = `0`,
		const G4String &	nam = `"DNASancheSolvatationModel"`
	)

Definition at line 54 of file G4DNAOneStepThermalizationModel.cc.

                                                   :
     G4VEmModel(nam), fIsInitialised(false)
 {
   fVerboseLevel = 0;
   SetLowEnergyLimit(0.);
   G4DNAWaterExcitationStructure exStructure;
   SetHighEnergyLimit(exStructure.ExcitationEnergy(0));
   fParticleChangeForGamma = 0;
   fpWaterDensity = 0;
   fNavigator = 0;
 }

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◆ ~G4DNAOneStepThermalizationModel()

G4DNAOneStepThermalizationModel::~G4DNAOneStepThermalizationModel ( )

virtual

Definition at line 69 of file G4DNAOneStepThermalizationModel.cc.

 {
   if(fNavigator)
   {
     if(fNavigator->GetNavigatorState())
       delete fNavigator->GetNavigatorState();
     delete fNavigator;
   }
 }

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◆ G4DNAOneStepThermalizationModel() [2/2]

G4DNAOneStepThermalizationModel::G4DNAOneStepThermalizationModel ( const G4DNAOneStepThermalizationModel & )

private

Member Function Documentation

◆ CrossSectionPerVolume()

G4double G4DNAOneStepThermalizationModel::CrossSectionPerVolume	(	const G4Material *	material,
		const G4ParticleDefinition *	p,
		G4double	ekin,
		G4double	emin,
		G4double	emax
	)

virtual

Reimplemented from G4VEmModel.

Definition at line 123 of file G4DNAOneStepThermalizationModel.cc.

 {
 #ifdef G4VERBOSE
   if(fVerboseLevel > 1)
     G4cout << "Calling CrossSectionPerVolume() of G4DNAOneStepThermalizationModel"
            << G4endl;
 #endif
 
   if(ekin > HighEnergyLimit())
   {
     return 0.0;
   }
 
   G4double waterDensity = (*fpWaterDensity)[material->GetIndex()];
 
   if(waterDensity!= 0.0)
   {
 //    if (ekin <= HighEnergyLimit()) // already tested
     {
       return DBL_MAX;
     }
   }
   return 0.;
 }

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◆ Initialise()

void G4DNAOneStepThermalizationModel::Initialise	(	const G4ParticleDefinition *	particleDefinition,
		const G4DataVector &
	)

virtual

Implements G4VEmModel.

Definition at line 82 of file G4DNAOneStepThermalizationModel.cc.

 {
 #ifdef G4VERBOSE
   if(fVerboseLevel)
   G4cout << "Calling G4DNAOneStepThermalizationModel::Initialise()" << G4endl;
 #endif
   if (particleDefinition != G4Electron::ElectronDefinition())
   {
     G4ExceptionDescription exceptionDescription;
     exceptionDescription << "G4DNAOneStepThermalizationModel can only be applied "
         "to electrons";
     G4Exception("G4DNAOneStepThermalizationModel::CrossSectionPerVolume",
                 "G4DNAOneStepThermalizationModel001",
                 FatalErrorInArgument,exceptionDescription);
     return;
   }
 
   if(!fIsInitialised)
   {
     fIsInitialised = true;
     fParticleChangeForGamma = GetParticleChangeForGamma();
   }
 
   G4Navigator* navigator =
       G4TransportationManager::GetTransportationManager()->
         GetNavigatorForTracking();
 
   fNavigator = new G4ITNavigator();
 
   fNavigator->SetWorldVolume(navigator->GetWorldVolume());
   fNavigator->NewNavigatorState();
 
   fpWaterDensity =
       G4DNAMolecularMaterial::Instance()->
         GetNumMolPerVolTableFor(G4Material::GetMaterial("G4_WATER"));
 }

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◆ operator=()

G4DNAOneStepThermalizationModel& G4DNAOneStepThermalizationModel::operator= ( const G4DNAOneStepThermalizationModel & right )

private

◆ RadialDistributionOfProducts()

G4ThreeVector G4DNAOneStepThermalizationModel::RadialDistributionOfProducts ( G4double Rrms ) const

protected

Definition at line 155 of file G4DNAOneStepThermalizationModel.cc.

 {
   G4double sigma = std::sqrt(1.57) / 2 * expectationValue;
 
   G4double XValueForfMax = std::sqrt(2. * sigma * sigma);
   G4double fMaxValue = std::sqrt(2. / 3.14)
       * 1. / (sigma * sigma * sigma)
       * (XValueForfMax * XValueForfMax)
       * std::exp(-1. / 2. * (XValueForfMax * XValueForfMax)
       / (sigma * sigma));
 
   G4double R;
 
   do
   {
     G4double aRandomfValue = fMaxValue * G4UniformRand();
 
     G4double sign;
     if(G4UniformRand() > 0.5)
     {
       sign = +1.;
     }
     else
     {
       sign = -1;
     }
 
     R = expectationValue + sign*3.*sigma* G4UniformRand();
     G4double f = std::sqrt(2./3.14) * 1/std::pow(sigma, 3)
                 * R*R * std::exp(-1./2. * R*R/(sigma*sigma));
 
     if(aRandomfValue < f)
     {
       break;
     }
   }
   while(1);
 
   G4double costheta = (2. * G4UniformRand()-1.);
   G4double theta = std::acos(costheta);
   G4double phi = 2. * pi * G4UniformRand();
 
   G4double xDirection = R * std::cos(phi) * std::sin(theta);
   G4double yDirection = R * std::sin(theta) * std::sin(phi);
   G4double zDirection = R * costheta;
   G4ThreeVector RandDirection = G4ThreeVector(xDirection,
                                               yDirection,
                                               zDirection);
 
   return RandDirection;
 }

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◆ SampleSecondaries()

void G4DNAOneStepThermalizationModel::SampleSecondaries	(	std::vector< G4DynamicParticle >	,
		const G4MaterialCutsCouple *	,
		const G4DynamicParticle *	particle,
		G4double	tmin,
		G4double	maxEnergy
	)

virtual

Implements G4VEmModel.

Definition at line 210 of file G4DNAOneStepThermalizationModel.cc.

 {
 #ifdef G4VERBOSE
   if(fVerboseLevel)
   G4cout << "Calling SampleSecondaries() of G4DNAOneStepThermalizationModel"
          << G4endl;
 #endif
        G4double k = particle->GetKineticEnergy();
 
  if (k <= HighEnergyLimit())
  {
    G4double k_eV = k/eV;
 
     G4double r_mean =
           (-0.003*std::pow(k_eV,6)
            + 0.0749*std::pow(k_eV,5)
            - 0.7197*std::pow(k_eV,4)
            + 3.1384*std::pow(k_eV,3)
            - 5.6926*std::pow(k_eV,2)
            + 5.6237*k_eV
            - 0.7883)*nanometer;
 
     G4ThreeVector displacement = RadialDistributionOfProducts (r_mean);
 
     //______________________________________________________________
     const G4Track * theIncomingTrack =
         fParticleChangeForGamma->GetCurrentTrack();
     G4ThreeVector finalPosition(theIncomingTrack->GetPosition()+displacement);
 
     fNavigator->SetWorldVolume(theIncomingTrack->GetTouchable()->
                              GetVolume(theIncomingTrack->GetTouchable()->
                                        GetHistoryDepth()));
 
     double displacementMag = displacement.mag();
     double safety = DBL_MAX;
     G4ThreeVector direction = displacement/displacementMag;
 
     fNavigator->ResetHierarchyAndLocate(theIncomingTrack->GetPosition(),
                                        direction,
                                        *((G4TouchableHistory*)
                                            theIncomingTrack->GetTouchable()));
 
     fNavigator->ComputeStep(theIncomingTrack->GetPosition(),
                           displacement/displacementMag,
                           displacementMag,
                           safety);
 
     if(safety <= displacementMag)
     {
       finalPosition = theIncomingTrack->GetPosition()
                       + (displacement/displacementMag)*safety*0.80;
     }
 
     G4DNAChemistryManager::Instance()->CreateSolvatedElectron(theIncomingTrack,
                                                               &finalPosition);
 
     fParticleChangeForGamma->SetProposedKineticEnergy(25.e-3*eV);
     fParticleChangeForGamma->ProposeTrackStatus(fStopAndKill);
     fParticleChangeForGamma->ProposeLocalEnergyDeposit(k);
   }
 }

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◆ SetVerbose()

void G4DNAOneStepThermalizationModel::SetVerbose ( int flag )

inline

Definition at line 105 of file G4DNAOneStepThermalizationModel.hh.

 {
   fVerboseLevel = flag;
 }

Member Data Documentation

◆ fIsInitialised

G4bool G4DNAOneStepThermalizationModel::fIsInitialised

protected

Definition at line 95 of file G4DNAOneStepThermalizationModel.hh.

◆ fNavigator

G4ITNavigator* G4DNAOneStepThermalizationModel::fNavigator

protected

Definition at line 97 of file G4DNAOneStepThermalizationModel.hh.

◆ fParticleChangeForGamma

G4ParticleChangeForGamma* G4DNAOneStepThermalizationModel::fParticleChangeForGamma

protected

Definition at line 93 of file G4DNAOneStepThermalizationModel.hh.

◆ fpWaterDensity

const std::vector<G4double>* G4DNAOneStepThermalizationModel::fpWaterDensity

protected

Definition at line 90 of file G4DNAOneStepThermalizationModel.hh.

◆ fVerboseLevel

G4int G4DNAOneStepThermalizationModel::fVerboseLevel

protected

Definition at line 96 of file G4DNAOneStepThermalizationModel.hh.

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

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ G4DNAOneStepThermalizationModel() [1/2]

◆ ~G4DNAOneStepThermalizationModel()

◆ G4DNAOneStepThermalizationModel() [2/2]

Member Function Documentation

◆ CrossSectionPerVolume()

◆ Initialise()

◆ operator=()

◆ RadialDistributionOfProducts()

◆ SampleSecondaries()

◆ SetVerbose()

Member Data Documentation

◆ fIsInitialised

◆ fNavigator

◆ fParticleChangeForGamma

◆ fpWaterDensity

◆ fVerboseLevel