#include <G4PenelopeBremsstrahlungModel.hh>

Inheritance diagram for G4PenelopeBremsstrahlungModel:

Collaboration diagram for G4PenelopeBremsstrahlungModel:

Public Member Functions
	G4PenelopeBremsstrahlungModel (const G4ParticleDefinition *p=0, const G4String &processName="PenBrem")

virtual	~G4PenelopeBremsstrahlungModel ()

virtual void	Initialise (const G4ParticleDefinition *, const G4DataVector &)

virtual void	InitialiseLocal (const G4ParticleDefinition , G4VEmModel )

virtual G4double	ComputeCrossSectionPerAtom (const G4ParticleDefinition *theParticle, G4double kinEnergy, G4double Z, G4double A=0, G4double cut=0, G4double emax=DBL_MAX)

virtual G4double	CrossSectionPerVolume (const G4Material material, const G4ParticleDefinition theParticle, G4double kineticEnergy, G4double cutEnergy, G4double maxEnergy=DBL_MAX)

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

virtual G4double	ComputeDEDXPerVolume (const G4Material , const G4ParticleDefinition , G4double kineticEnergy, G4double cutEnergy)

virtual G4double	MinEnergyCut (const G4ParticleDefinition , const G4MaterialCutsCouple )

void	SetVerbosityLevel (G4int lev)

G4int	GetVerbosityLevel ()

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

virtual	~G4VEmModel ()

virtual void	InitialiseForMaterial (const G4ParticleDefinition , const G4Material )

virtual void	InitialiseForElement (const G4ParticleDefinition *, G4int Z)

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

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 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 * > *)

virtual 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=nullptr)

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	SetFluctuationFlag (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
G4ParticleChangeForLoss *	fParticleChange

const G4ParticleDefinition *	fParticle

Protected Attributes inherited from G4VEmModel
G4ElementData *	fElementData

G4VParticleChange *	pParticleChange

G4PhysicsTable *	xSectionTable

const std::vector< G4double > *	theDensityFactor

const std::vector< G4int > *	theDensityIdx

size_t	idxTable

G4bool	lossFlucFlag

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 63 of file G4PenelopeBremsstrahlungModel.hh.

Constructor & Destructor Documentation

G4PenelopeBremsstrahlungModel::G4PenelopeBremsstrahlungModel	(	const G4ParticleDefinition *	p = `0`,
		const G4String &	processName = `"PenBrem"`
	)

Definition at line 64 of file G4PenelopeBremsstrahlungModel.cc.

   :G4VEmModel(nam),fParticleChange(0),fParticle(0),
    isInitialised(false),energyGrid(0),
    XSTableElectron(0),XSTablePositron(0),fPenelopeFSHelper(0),
    fPenelopeAngular(0),fLocalTable(false)
 
 {
   fIntrinsicLowEnergyLimit = 100.0*eV;
   fIntrinsicHighEnergyLimit = 100.0*GeV;
   nBins = 200;
 
   if (part)
     SetParticle(part);
 
   SetHighEnergyLimit(fIntrinsicHighEnergyLimit);
   //
   oscManager = G4PenelopeOscillatorManager::GetOscillatorManager();
   //
   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
 
   // Atomic deexcitation model activated by default
   SetDeexcitationFlag(true);
 
 }

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G4PenelopeBremsstrahlungModel::~G4PenelopeBremsstrahlungModel ( )

virtual

Definition at line 99 of file G4PenelopeBremsstrahlungModel.cc.

 {
   if (IsMaster() || fLocalTable)
     {
       ClearTables();
       if (fPenelopeFSHelper)
     delete fPenelopeFSHelper;
     }
   // This is thread-local at the moment
   if (fPenelopeAngular)
     delete fPenelopeAngular;
 }

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Member Function Documentation

G4double G4PenelopeBremsstrahlungModel::ComputeCrossSectionPerAtom	(	const G4ParticleDefinition *	theParticle,
		G4double	kinEnergy,
		G4double	Z,
		G4double	A = `0`,
		G4double	cut = `0`,
		G4double	emax = `DBL_MAX`
	)

virtual

Reimplemented from G4VEmModel.

Definition at line 282 of file G4PenelopeBremsstrahlungModel.cc.

 {
   G4cout << "*** G4PenelopeBremsstrahlungModel -- WARNING ***" << G4endl;
   G4cout << "Penelope Bremsstrahlung model v2008 does not calculate cross section _per atom_ " << G4endl;
   G4cout << "so the result is always zero. For physics values, please invoke " << G4endl;
   G4cout << "GetCrossSectionPerVolume() or GetMeanFreePath() via the G4EmCalculator" << G4endl;
   return 0;
 }

G4double G4PenelopeBremsstrahlungModel::ComputeDEDXPerVolume	(	const G4Material *	material,
		const G4ParticleDefinition *	theParticle,
		G4double	kineticEnergy,
		G4double	cutEnergy
	)

virtual

Reimplemented from G4VEmModel.

Definition at line 298 of file G4PenelopeBremsstrahlungModel.cc.

 {
   if (verboseLevel > 3)
     G4cout << "Calling ComputeDEDX() of G4PenelopeBremsstrahlungModel" << G4endl;
 
   G4PenelopeCrossSection* theXS = GetCrossSectionTableForCouple(theParticle,material,
                                                                 cutEnergy);
   G4double sPowerPerMolecule = 0.0;
   if (theXS)
     sPowerPerMolecule = theXS->GetSoftStoppingPower(kineticEnergy);
 
 
   G4double atomDensity = material->GetTotNbOfAtomsPerVolume();
   G4double atPerMol =  oscManager->GetAtomsPerMolecule(material);
 
   G4double moleculeDensity = 0.;
   if (atPerMol)
     moleculeDensity = atomDensity/atPerMol;
 
   G4double sPowerPerVolume = sPowerPerMolecule*moleculeDensity;
 
   if (verboseLevel > 2)
     {
       G4cout << "G4PenelopeBremsstrahlungModel " << G4endl;
       G4cout << "Stopping power < " << cutEnergy/keV << " keV at " <<
         kineticEnergy/keV << " keV = " <<
         sPowerPerVolume/(keV/mm) << " keV/mm" << G4endl;
     }
   return sPowerPerVolume;
 }

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G4double G4PenelopeBremsstrahlungModel::CrossSectionPerVolume	(	const G4Material *	material,
		const G4ParticleDefinition *	theParticle,
		G4double	kineticEnergy,
		G4double	cutEnergy,
		G4double	maxEnergy = `DBL_MAX`
	)

virtual

Reimplemented from G4VEmModel.

Definition at line 234 of file G4PenelopeBremsstrahlungModel.cc.

 {
   //
   if (verboseLevel > 3)
     G4cout << "Calling CrossSectionPerVolume() of G4PenelopeBremsstrahlungModel" << G4endl;
 
   SetupForMaterial(theParticle, material, energy);
 
   G4double crossPerMolecule = 0.;
 
   G4PenelopeCrossSection* theXS = GetCrossSectionTableForCouple(theParticle,material,
                                                                 cutEnergy);
 
   if (theXS)
     crossPerMolecule = theXS->GetHardCrossSection(energy);
 
   G4double atomDensity = material->GetTotNbOfAtomsPerVolume();
   G4double atPerMol =  oscManager->GetAtomsPerMolecule(material);
 
   if (verboseLevel > 3)
     G4cout << "Material " << material->GetName() << " has " << atPerMol <<
       "atoms per molecule" << G4endl;
 
   G4double moleculeDensity = 0.;
   if (atPerMol)
     moleculeDensity = atomDensity/atPerMol;
 
   G4double crossPerVolume = crossPerMolecule*moleculeDensity;
 
   if (verboseLevel > 2)
   {
     G4cout << "G4PenelopeBremsstrahlungModel " << G4endl;
     G4cout << "Mean free path for gamma emission > " << cutEnergy/keV << " keV at " <<
       energy/keV << " keV = " << (1./crossPerVolume)/mm << " mm" << G4endl;
   }
 
   return crossPerVolume;
 }

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G4int G4PenelopeBremsstrahlungModel::GetVerbosityLevel ( )

inline

Definition at line 109 of file G4PenelopeBremsstrahlungModel.hh.

109 {return verboseLevel;};

void G4PenelopeBremsstrahlungModel::Initialise	(	const G4ParticleDefinition *	part,
		const G4DataVector &	theCuts
	)

virtual

Implements G4VEmModel.

Definition at line 114 of file G4PenelopeBremsstrahlungModel.cc.

 {
   if (verboseLevel > 3)
     G4cout << "Calling G4PenelopeBremsstrahlungModel::Initialise()" << G4endl;
 
   SetParticle(part);
 
   if (IsMaster() && part == fParticle)
     {
 
       if (!fPenelopeFSHelper)
     fPenelopeFSHelper = new G4PenelopeBremsstrahlungFS(verboseLevel);
       if (!fPenelopeAngular)
     fPenelopeAngular = new G4PenelopeBremsstrahlungAngular();
       //Clear and re-build the tables
       ClearTables();
 
       //forces the cleaning of tables, in this specific case
       if (fPenelopeAngular)
     fPenelopeAngular->Initialize();
 
       //Set the number of bins for the tables. 20 points per decade
       nBins = (size_t) (20*std::log10(HighEnergyLimit()/LowEnergyLimit()));
       nBins = std::max(nBins,(size_t)100);
       energyGrid = new G4PhysicsLogVector(LowEnergyLimit(),
                                       HighEnergyLimit(),
                                       nBins-1); //one hidden bin is added
 
 
       XSTableElectron = new
     std::map< std::pair<const G4Material*,G4double>, G4PenelopeCrossSection*>;
       XSTablePositron = new
     std::map< std::pair<const G4Material*,G4double>, G4PenelopeCrossSection*>;
 
       G4ProductionCutsTable* theCoupleTable =
     G4ProductionCutsTable::GetProductionCutsTable();
 
       //Build tables for all materials
       for (size_t i=0;i<theCoupleTable->GetTableSize();i++)
     {
       const G4Material* theMat =
         theCoupleTable->GetMaterialCutsCouple(i)->GetMaterial();
       //Forces the building of the helper tables
       fPenelopeFSHelper->BuildScaledXSTable(theMat,theCuts.at(i),IsMaster());
       fPenelopeAngular->PrepareTables(theMat,IsMaster());
       BuildXSTable(theMat,theCuts.at(i));
 
     }
 
 
       if (verboseLevel > 2) {
     G4cout << "Penelope Bremsstrahlung model v2008 is initialized " << G4endl
            << "Energy range: "
            << LowEnergyLimit() / keV << " keV - "
            << HighEnergyLimit() / GeV << " GeV."
            << G4endl;
       }
     }
 
   if(isInitialised) return;
   fParticleChange = GetParticleChangeForLoss();
   isInitialised = true;
 }

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void G4PenelopeBremsstrahlungModel::InitialiseLocal	(	const G4ParticleDefinition *	part,
		G4VEmModel *	masterModel
	)

virtual

Reimplemented from G4VEmModel.

Definition at line 180 of file G4PenelopeBremsstrahlungModel.cc.

 {
   if (verboseLevel > 3)
     G4cout << "Calling  G4PenelopeBremsstrahlungModel::InitialiseLocal()" << G4endl;
 
   //
   //Check that particle matches: one might have multiple master models (e.g.
   //for e+ and e-).
   //
   if (part == fParticle)
     {
       //Get the const table pointers from the master to the workers
       const G4PenelopeBremsstrahlungModel* theModel =
     static_cast<G4PenelopeBremsstrahlungModel*> (masterModel);
 
       //Copy pointers to the data tables
       energyGrid = theModel->energyGrid;
       XSTableElectron = theModel->XSTableElectron;
       XSTablePositron = theModel->XSTablePositron;
       fPenelopeFSHelper = theModel->fPenelopeFSHelper;
 
       //fPenelopeAngular = theModel->fPenelopeAngular;
 
       //created in each thread and initialized.
       if (!fPenelopeAngular)
     fPenelopeAngular = new G4PenelopeBremsstrahlungAngular();
       //forces the cleaning of tables, in this specific case
       if (fPenelopeAngular)
     fPenelopeAngular->Initialize();
 
       G4ProductionCutsTable* theCoupleTable =
     G4ProductionCutsTable::GetProductionCutsTable();
       //Build tables for all materials
       for (size_t i=0;i<theCoupleTable->GetTableSize();i++)
     {
       const G4Material* theMat =
         theCoupleTable->GetMaterialCutsCouple(i)->GetMaterial();
       fPenelopeAngular->PrepareTables(theMat,IsMaster());
     }
 
 
       //copy the data
       nBins = theModel->nBins;
 
       //Same verbosity for all workers, as the master
       verboseLevel = theModel->verboseLevel;
     }
 
   return;
 }

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G4double G4PenelopeBremsstrahlungModel::MinEnergyCut	(	const G4ParticleDefinition *	,
		const G4MaterialCutsCouple *
	)

virtual

Reimplemented from G4VEmModel.

Definition at line 473 of file G4PenelopeBremsstrahlungModel.cc.

 {
   return fIntrinsicLowEnergyLimit;
 }

void G4PenelopeBremsstrahlungModel::SampleSecondaries	(	std::vector< G4DynamicParticle * > *	fvect,
		const G4MaterialCutsCouple *	couple,
		const G4DynamicParticle *	aDynamicParticle,
		G4double	tmin,
		G4double	maxEnergy
	)

virtual

Implements G4VEmModel.

Definition at line 334 of file G4PenelopeBremsstrahlungModel.cc.

 {
   if (verboseLevel > 3)
     G4cout << "Calling SampleSecondaries() of G4PenelopeBremsstrahlungModel" << G4endl;
 
   G4double kineticEnergy = aDynamicParticle->GetKineticEnergy();
   const G4Material* material = couple->GetMaterial();
 
   if (kineticEnergy <= fIntrinsicLowEnergyLimit)
    {
      fParticleChange->SetProposedKineticEnergy(0.);
      fParticleChange->ProposeLocalEnergyDeposit(kineticEnergy);
      return ;
    }
 
   G4ParticleMomentum particleDirection0 = aDynamicParticle->GetMomentumDirection();
   //This is the momentum
   G4ThreeVector initialMomentum =  aDynamicParticle->GetMomentum();
 
   //Not enough energy to produce a secondary! Return with nothing happened
   if (kineticEnergy < cutG)
     return;
 
   if (verboseLevel > 3)
     G4cout << "Going to sample gamma energy for: " <<material->GetName() << " " <<
       "energy = " << kineticEnergy/keV << ", cut = " << cutG/keV << G4endl;
 
    //Sample gamma's energy according to the spectrum
   G4double gammaEnergy =
     fPenelopeFSHelper->SampleGammaEnergy(kineticEnergy,material,cutG);
 
   if (verboseLevel > 3)
     G4cout << "Sampled gamma energy: " << gammaEnergy/keV << " keV" << G4endl;
 
   //Now sample the direction for the Gamma. Notice that the rotation is already done
   //Z is unused here, I plug 0. The information is in the material pointer
    G4ThreeVector gammaDirection1 =
      fPenelopeAngular->SampleDirection(aDynamicParticle,gammaEnergy,0,material);
 
   if (verboseLevel > 3)
     G4cout << "Sampled cosTheta for e-: " << gammaDirection1.cosTheta() << G4endl;
 
   G4double residualPrimaryEnergy = kineticEnergy-gammaEnergy;
   if (residualPrimaryEnergy < 0)
     {
       //Ok we have a problem, all energy goes with the gamma
       gammaEnergy += residualPrimaryEnergy;
       residualPrimaryEnergy = 0.0;
     }
 
   //Produce final state according to momentum conservation
   G4ThreeVector particleDirection1 = initialMomentum - gammaEnergy*gammaDirection1;
   particleDirection1 = particleDirection1.unit(); //normalize
 
   //Update the primary particle
   if (residualPrimaryEnergy > 0.)
     {
       fParticleChange->ProposeMomentumDirection(particleDirection1);
       fParticleChange->SetProposedKineticEnergy(residualPrimaryEnergy);
     }
   else
     {
       fParticleChange->SetProposedKineticEnergy(0.);
     }
 
   //Now produce the photon
   G4DynamicParticle* theGamma = new G4DynamicParticle(G4Gamma::Gamma(),
                                                       gammaDirection1,
                                                       gammaEnergy);
   fvect->push_back(theGamma);
 
   if (verboseLevel > 1)
     {
       G4cout << "-----------------------------------------------------------" << G4endl;
       G4cout << "Energy balance from G4PenelopeBremsstrahlung" << G4endl;
       G4cout << "Incoming primary energy: " << kineticEnergy/keV << " keV" << G4endl;
       G4cout << "-----------------------------------------------------------" << G4endl;
       G4cout << "Outgoing primary energy: " << residualPrimaryEnergy/keV << " keV" << G4endl;
       G4cout << "Bremsstrahlung photon " << gammaEnergy/keV << " keV" << G4endl;
       G4cout << "Total final state: " << (residualPrimaryEnergy+gammaEnergy)/keV
              << " keV" << G4endl;
       G4cout << "-----------------------------------------------------------" << G4endl;
     }
 
   if (verboseLevel > 0)
     {
       G4double energyDiff = std::fabs(residualPrimaryEnergy+gammaEnergy-kineticEnergy);
       if (energyDiff > 0.05*keV)
         G4cout << "Warning from G4PenelopeBremsstrahlung: problem with energy conservation: "
            <<
           (residualPrimaryEnergy+gammaEnergy)/keV <<
           " keV (final) vs. " <<
           kineticEnergy/keV << " keV (initial)" << G4endl;
     }
   return;
 }

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void G4PenelopeBremsstrahlungModel::SetVerbosityLevel ( G4int lev )

inline

Definition at line 108 of file G4PenelopeBremsstrahlungModel.hh.

108 {verboseLevel = lev;};

Member Data Documentation

const G4ParticleDefinition* G4PenelopeBremsstrahlungModel::fParticle

protected

Definition at line 113 of file G4PenelopeBremsstrahlungModel.hh.

G4ParticleChangeForLoss* G4PenelopeBremsstrahlungModel::fParticleChange

protected

Definition at line 109 of file G4PenelopeBremsstrahlungModel.hh.

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

source/geant4.10.03.p03/source/processes/electromagnetic/lowenergy/include/G4PenelopeBremsstrahlungModel.hh
source/geant4.10.03.p03/source/processes/electromagnetic/lowenergy/src/G4PenelopeBremsstrahlungModel.cc

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation