#include <G4CoulombScattering.hh>

Inheritance diagram for G4CoulombScattering:

Collaboration diagram for G4CoulombScattering:

Public Member Functions
	G4CoulombScattering (const G4String &name="CoulombScat")

virtual	~G4CoulombScattering ()

virtual G4bool	IsApplicable (const G4ParticleDefinition &p) final

virtual void	PrintInfo () override

Public Member Functions inherited from G4VEmProcess
	G4VEmProcess (const G4String &name, G4ProcessType type=fElectromagnetic)

virtual	~G4VEmProcess ()

virtual void	ProcessDescription (std::ostream &outFile) const

virtual void	PreparePhysicsTable (const G4ParticleDefinition &) override

virtual void	BuildPhysicsTable (const G4ParticleDefinition &) override

virtual void	StartTracking (G4Track *) override

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

virtual G4VParticleChange *	PostStepDoIt (const G4Track &, const G4Step &) override

virtual G4bool	StorePhysicsTable (const G4ParticleDefinition *, const G4String &directory, G4bool ascii=false) override

virtual G4bool	RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &directory, G4bool ascii) override

G4double	CrossSectionPerVolume (G4double kineticEnergy, const G4MaterialCutsCouple *couple)

G4double	ComputeCrossSectionPerAtom (G4double kineticEnergy, G4double Z, G4double A=0., G4double cut=0.0)

G4double	MeanFreePath (const G4Track &track)

G4double	GetLambda (G4double &kinEnergy, const G4MaterialCutsCouple *couple)

void	SetLambdaBinning (G4int nbins)

void	SetMinKinEnergy (G4double e)

void	SetMinKinEnergyPrim (G4double e)

void	SetMaxKinEnergy (G4double e)

G4PhysicsTable *	LambdaTable () const

G4PhysicsTable *	LambdaTablePrim () const

const G4ParticleDefinition *	Particle () const

const G4ParticleDefinition *	SecondaryParticle () const

G4VEmModel *	SelectModelForMaterial (G4double kinEnergy, size_t &idxRegion) const

void	AddEmModel (G4int, G4VEmModel , const G4Region region=nullptr)

G4VEmModel *	EmModel (G4int index=1) const

void	SetEmModel (G4VEmModel *, G4int index=1)

void	UpdateEmModel (const G4String &, G4double, G4double)

G4int	GetNumberOfModels () const

G4int	GetNumberOfRegionModels (size_t couple_index) const

G4VEmModel *	GetRegionModel (G4int idx, size_t couple_index) const

G4VEmModel *	GetModelByIndex (G4int idx=0, G4bool ver=false) const

const G4VEmModel *	GetCurrentModel () const

const G4Element *	GetCurrentElement () const

void	SetCrossSectionBiasingFactor (G4double f, G4bool flag=true)

G4double	CrossSectionBiasingFactor () const

void	ActivateForcedInteraction (G4double length=0.0, const G4String &r="", G4bool flag=true)

void	ActivateSecondaryBiasing (const G4String &region, G4double factor, G4double energyLimit)

void	SetIntegral (G4bool val)

void	SetBuildTableFlag (G4bool val)

Public Member Functions inherited from G4VDiscreteProcess
	G4VDiscreteProcess (const G4String &, G4ProcessType aType=fNotDefined)

	G4VDiscreteProcess (G4VDiscreteProcess &)

virtual	~G4VDiscreteProcess ()

virtual G4double	AlongStepGetPhysicalInteractionLength (const G4Track &, G4double, G4double, G4double &, G4GPILSelection *)

virtual G4double	AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *)

virtual G4VParticleChange *	AtRestDoIt (const G4Track &, const G4Step &)

virtual G4VParticleChange *	AlongStepDoIt (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)

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	EndTracking ()

virtual void	SetProcessManager (const G4ProcessManager *)

virtual const G4ProcessManager *	GetProcessManager ()

virtual void	ResetNumberOfInteractionLengthLeft ()

G4double	GetNumberOfInteractionLengthLeft () const

G4double	GetTotalNumberOfInteractionLengthTraversed () const

G4bool	isAtRestDoItIsEnabled () const

G4bool	isAlongStepDoItIsEnabled () const

G4bool	isPostStepDoItIsEnabled () const

virtual void	DumpInfo () const

void	SetVerboseLevel (G4int value)

G4int	GetVerboseLevel () const

virtual void	SetMasterProcess (G4VProcess *masterP)

const G4VProcess *	GetMasterProcess () const

virtual void	BuildWorkerPhysicsTable (const G4ParticleDefinition &part)

virtual void	PrepareWorkerPhysicsTable (const G4ParticleDefinition &)

Protected Member Functions
virtual void	InitialiseProcess (const G4ParticleDefinition *) override

virtual G4double	MinPrimaryEnergy (const G4ParticleDefinition , const G4Material ) final

Protected Member Functions inherited from G4VEmProcess
G4VEmModel *	SelectModel (G4double &kinEnergy, size_t index)

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

G4PhysicsVector *	LambdaPhysicsVector (const G4MaterialCutsCouple *)

G4int	LambdaBinning () const

G4double	MinKinEnergy () const

G4double	MaxKinEnergy () const

G4double	PolarAngleLimit () const

G4bool	IsIntegral () const

G4double	RecalculateLambda (G4double kinEnergy, const G4MaterialCutsCouple *couple)

G4ParticleChangeForGamma *	GetParticleChange ()

void	SetParticle (const G4ParticleDefinition *p)

void	SetSecondaryParticle (const G4ParticleDefinition *p)

size_t	CurrentMaterialCutsCoupleIndex () const

G4double	GetGammaEnergyCut ()

G4double	GetElectronEnergyCut ()

void	SetStartFromNullFlag (G4bool val)

void	SetSplineFlag (G4bool val)

const G4Element *	GetTargetElement () const

const G4Isotope *	GetTargetIsotope () const

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

void	ClearNumberOfInteractionLengthLeft ()

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

Protected Attributes inherited from G4VEmProcess
G4ParticleChangeForGamma	fParticleChange

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

Detailed Description

Definition at line 55 of file G4CoulombScattering.hh.

Constructor & Destructor Documentation

G4CoulombScattering::G4CoulombScattering ( const G4String & name = "CoulombScat" )

explicit

Definition at line 61 of file G4CoulombScattering.cc.

   : G4VEmProcess(name),q2Max(TeV*TeV),isInitialised(false)
 {
   //  G4cout << "G4CoulombScattering constructor "<< G4endl;
   SetBuildTableFlag(true);
   SetStartFromNullFlag(false);
   SetIntegral(true);
   SetSecondaryParticle(G4Proton::Proton());
   SetProcessSubType(fCoulombScattering);
 }

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G4CoulombScattering::~G4CoulombScattering ( )

virtual

Definition at line 74 of file G4CoulombScattering.cc.

75 {}

Member Function Documentation

void G4CoulombScattering::InitialiseProcess ( const G4ParticleDefinition * p )

overrideprotectedvirtual

Implements G4VEmProcess.

Definition at line 86 of file G4CoulombScattering.cc.

 {
   // second initialisation not allowed for the time being
   // this means that polar angle limit change will not be appled 
   // after first initialisation
   if(isInitialised) { return; }
 
   G4EmParameters* param = G4EmParameters::Instance();
   G4double a = param->FactorForAngleLimit()*CLHEP::hbarc/CLHEP::fermi;
   q2Max = 0.5*a*a;
   G4double theta = param->MscThetaLimit();
 
   // restricted or non-restricted cross section table
   G4bool yes = false;
   if(theta == CLHEP::pi) { yes = true; }
   SetStartFromNullFlag(yes);
   /*
   G4cout << "### G4CoulombScattering::InitialiseProcess: "
      << p->GetParticleName()
      << " Emin(MeV)= " << MinKinEnergy()/MeV
      << " Emax(TeV)= " << MaxKinEnergy()/TeV
      << " nbins= " << LambdaBinning()
      << " theta= " << theta
      << G4endl;
   */
 
   isInitialised = true;
   G4double mass = p->GetPDGMass();
   G4String name = p->GetParticleName();
   //G4cout << name << "  type: " << p->GetParticleType() 
   //<< " mass= " << mass << G4endl;
   yes = true;
   if (mass > GeV || p->GetParticleType() == "nucleus") {
     SetBuildTableFlag(false);
     yes = false;
     if(name != "GenericIon") { SetVerboseLevel(0); }
   } else {
     if(name != "e-" && name != "e+" &&
        name != "mu+" && name != "mu-" && name != "pi+" && 
        name != "kaon+" && name != "proton" ) { SetVerboseLevel(0); }
   }
 
   if(!EmModel(1)) { 
     if(yes) { SetEmModel(new G4eCoulombScatteringModel(), 1); } 
     else    { SetEmModel(new G4IonCoulombScatteringModel(), 1); }
   }
   G4VEmModel* model = EmModel(1);
   G4double emin = std::max(param->MinKinEnergy(),model->LowEnergyLimit());
   G4double emax = std::min(param->MaxKinEnergy(),model->HighEnergyLimit());
   model->SetPolarAngleLimit(theta);
   model->SetLowEnergyLimit(emin);
   model->SetHighEnergyLimit(emax);
   AddEmModel(1, model);
 }

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G4bool G4CoulombScattering::IsApplicable ( const G4ParticleDefinition & p )

finalvirtual

Implements G4VEmProcess.

Definition at line 79 of file G4CoulombScattering.cc.

 {
   return (p.GetPDGCharge() != 0.0 && !p.IsShortLived());
 }

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G4double G4CoulombScattering::MinPrimaryEnergy	(	const G4ParticleDefinition *	part,
		const G4Material *	mat
	)

finalprotectedvirtual

Reimplemented from G4VEmProcess.

Definition at line 143 of file G4CoulombScattering.cc.

 {
   // Pure Coulomb scattering
   G4double emin = 0.0;
 
   // Coulomb scattering combined with multiple or hadronic scattering
   G4double theta = G4EmParameters::Instance()->MscThetaLimit();
 
   if(0.0 < theta) {
     G4double p2 = q2Max*mat->GetIonisation()->GetInvA23()/(1.0 - cos(theta));
     G4double mass = part->GetPDGMass();
     emin = sqrt(p2 + mass*mass) - mass;
   }
 
   return emin;
 }

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void G4CoulombScattering::PrintInfo ( )

overridevirtual

Implements G4VEmProcess.

Definition at line 163 of file G4CoulombScattering.cc.

 {
   G4cout << "      " << G4EmParameters::Instance()->MscThetaLimit()/degree
      << " < Theta(degree) < 180";
 
   if(q2Max < DBL_MAX) { G4cout << "; pLimit(GeV^1)= " << sqrt(q2Max)/GeV; }
   G4cout << G4endl;
 }

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

geant4.10.03.p01/source/processes/electromagnetic/standard/include/G4CoulombScattering.hh
geant4.10.03.p01/source/processes/electromagnetic/standard/src/G4CoulombScattering.cc

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation