#include <G4IonCoulombScatteringModel.hh>

Inheritance diagram for G4IonCoulombScatteringModel:

Collaboration diagram for G4IonCoulombScatteringModel:

Public Member Functions
	G4IonCoulombScatteringModel (const G4String &nam="IonCoulombScattering")

virtual	~G4IonCoulombScatteringModel ()

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

virtual G4double	ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A, G4double cut, G4double emax)

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

void	SetRecoilThreshold (G4double eth)

void	SetHeavyIonCorr (G4int b)

G4int	GetHeavyIonCorr ()

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	CrossSectionPerVolume (const G4Material , const G4ParticleDefinition , G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)

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

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)

Private Member Functions
void	DefineMaterial (const G4MaterialCutsCouple *)

void	SetupParticle (const G4ParticleDefinition *)

G4IonCoulombScatteringModel &	operator= (const G4IonCoulombScatteringModel &right)

	G4IonCoulombScatteringModel (const G4IonCoulombScatteringModel &)

Private Attributes
G4IonTable *	theIonTable

G4ParticleChangeForGamma *	fParticleChange

G4NistManager *	fNistManager

G4IonCoulombCrossSection *	ioncross

const std::vector< G4double > *	pCuts

const G4MaterialCutsCouple *	currentCouple

const G4Material *	currentMaterial

const G4Element *	currentElement

G4int	currentMaterialIndex

G4int	heavycorr

G4double	cosThetaMin

G4double	recoilThreshold

const G4ParticleDefinition *	particle

const G4ParticleDefinition *	theProton

G4double	mass

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 *)

Protected Attributes inherited from G4VEmModel
G4ElementData *	fElementData

G4VParticleChange *	pParticleChange

G4PhysicsTable *	xSectionTable

const std::vector< G4double > *	theDensityFactor

const std::vector< G4int > *	theDensityIdx

size_t	idxTable

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

Detailed Description

Definition at line 71 of file G4IonCoulombScatteringModel.hh.

Constructor & Destructor Documentation

◆ G4IonCoulombScatteringModel() [1/2]

G4IonCoulombScatteringModel::G4IonCoulombScatteringModel ( const G4String & nam = "IonCoulombScattering" )

Definition at line 75 of file G4IonCoulombScatteringModel.cc.

   : G4VEmModel(nam),
     cosThetaMin(1.0)
 {
   fNistManager = G4NistManager::Instance();
   theIonTable  = G4ParticleTable::GetParticleTable()->GetIonTable();
   theProton    = G4Proton::Proton();
 
   pCuts=0;
   currentMaterial = 0;
   currentElement  = 0;
   currentCouple = 0;
   fParticleChange = 0;
 
   recoilThreshold = 0.*eV;
   heavycorr =0;
   particle = 0;
   mass=0;
   currentMaterialIndex = -1;
 
   ioncross = new G4IonCoulombCrossSection(); 
 }

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◆ ~G4IonCoulombScatteringModel()

G4IonCoulombScatteringModel::~G4IonCoulombScatteringModel ( )

virtual

Definition at line 101 of file G4IonCoulombScatteringModel.cc.

 { 
   delete  ioncross;
 }

◆ G4IonCoulombScatteringModel() [2/2]

G4IonCoulombScatteringModel::G4IonCoulombScatteringModel ( const G4IonCoulombScatteringModel & )

private

Member Function Documentation

◆ ComputeCrossSectionPerAtom()

G4double G4IonCoulombScatteringModel::ComputeCrossSectionPerAtom	(	const G4ParticleDefinition *	p,
		G4double	kinEnergy,
		G4double	Z,
		G4double	A,
		G4double	cut,
		G4double	emax
	)

virtual

Reimplemented from G4VEmModel.

Definition at line 125 of file G4IonCoulombScatteringModel.cc.

 {
   SetupParticle(p);
  
   G4double cross = 0.0;
 
   DefineMaterial(CurrentCouple());
 
   G4int iz = G4int(Z);
 
   //from lab to pCM & mu_rel of effective particle
   G4double tmass = proton_mass_c2;
   if(1 < iz) {
     tmass = fNistManager->GetAtomicMassAmu(iz)*amu_c2;
   }
   ioncross->SetupKinematic(kinEnergy, tmass);
   ioncross->SetupTarget(Z, kinEnergy, heavycorr);
   cross = ioncross->NuclearCrossSection();
 
   //cout<< "..........cross "<<G4BestUnit(cross,"Surface") <<endl;
   return cross;
 }

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◆ DefineMaterial()

void G4IonCoulombScatteringModel::DefineMaterial ( const G4MaterialCutsCouple * cup )

inlineprivate

Definition at line 143 of file G4IonCoulombScatteringModel.hh.

 { 
   if(cup != currentCouple) {
     currentCouple = cup;
     currentMaterial = cup->GetMaterial();
     currentMaterialIndex = currentCouple->GetIndex();
   }
 }

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◆ GetHeavyIonCorr()

G4int G4IonCoulombScatteringModel::GetHeavyIonCorr ( )

inline

Definition at line 180 of file G4IonCoulombScatteringModel.hh.

 {
   return heavycorr; 
 }

◆ Initialise()

void G4IonCoulombScatteringModel::Initialise	(	const G4ParticleDefinition *	p,
		const G4DataVector &	cuts
	)

virtual

Implements G4VEmModel.

Definition at line 108 of file G4IonCoulombScatteringModel.cc.

 {
   SetupParticle(p);
   currentCouple = 0;
   currentMaterialIndex = -1;
   ioncross->Initialise(p,cosThetaMin);
  
   pCuts = &cuts;
   //  G4ProductionCutsTable::GetProductionCutsTable()->GetEnergyCutsVector(3);
   if(!fParticleChange) {
     fParticleChange = GetParticleChangeForGamma();
   }
 }

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◆ operator=()

G4IonCoulombScatteringModel& G4IonCoulombScatteringModel::operator= ( const G4IonCoulombScatteringModel & right )

private

◆ SampleSecondaries()

void G4IonCoulombScatteringModel::SampleSecondaries	(	std::vector< G4DynamicParticle >	fvect,
		const G4MaterialCutsCouple *	couple,
		const G4DynamicParticle *	dp,
		G4double	tmin,
		G4double	maxEnergy
	)

virtual

Implements G4VEmModel.

Definition at line 154 of file G4IonCoulombScatteringModel.cc.

 {
   G4double kinEnergy = dp->GetKineticEnergy();
     
   DefineMaterial(couple);
 
   SetupParticle(dp->GetDefinition());
 
   // Choose nucleus
   currentElement = SelectRandomAtom(couple, particle, kinEnergy);
 
   G4double Z  = currentElement->GetZ();
   G4int iz = G4int(Z);
   G4int ia = SelectIsotopeNumber(currentElement);
   G4double mass2 = G4NucleiProperties::GetNuclearMass(ia, iz);
 
   ioncross->SetupKinematic(kinEnergy, mass2);
 
   ioncross->SetupTarget(Z, kinEnergy, heavycorr);
     
   //scattering angle, z1 == (1-cost)
   G4double z1 = ioncross->SampleCosineTheta(); 
   if(z1 > 2.0)      { z1 = 2.0; }
   else if(z1 < 0.0) { z1 = 0.0; }
 
   G4double cost = 1.0 - z1;
   G4double sint = sqrt(z1*(1.0 + cost));
   G4double phi  = twopi * G4UniformRand();
 
   // kinematics in the Lab system
   G4double ptot = dp->GetTotalMomentum();
   G4double e1   = dp->GetTotalEnergy();
   
   // Lab. system kinematics along projectile direction
   G4LorentzVector v0 = G4LorentzVector(0, 0, ptot, e1);
   G4double bet  = ptot/(e1 + mass2);
   G4double gam  = 1.0/sqrt((1.0 - bet)*(1.0 + bet));
 
   // CM projectile
   G4double momCM = gam*(ptot - bet*e1); 
   G4double eCM   = gam*(e1 - bet*ptot); 
   
   // Momentum after scattering of incident particle
   G4double pxCM = momCM*sint*cos(phi);
   G4double pyCM = momCM*sint*sin(phi);
   G4double pzCM = momCM*cost;
 
   // CM--->Lab
   G4LorentzVector v1(pxCM , pyCM, gam*(pzCM + bet*eCM), gam*(eCM + bet*pzCM));
 
   // Rotate to global system
   G4ThreeVector dir = dp->GetMomentumDirection(); 
   G4ThreeVector newDirection = v1.vect().unit();
   newDirection.rotateUz(dir);   
   
   fParticleChange->ProposeMomentumDirection(newDirection);   
   
   // recoil v0 energy is kinetic
   v0 -= v1; 
   G4double trec = v0.e();
   G4double edep = 0.0;
 
   G4double tcut = recoilThreshold;
   if(pCuts) { 
     tcut= std::max(tcut,(*pCuts)[currentMaterialIndex]); 
     //G4cout<<" tcut eV "<<tcut/eV<<endl;
   }
  
   // Recoil
   if(trec > tcut) {
     G4ParticleDefinition* ion = theIonTable->GetIon(iz, ia, 0);
     newDirection = v0.vect().unit();
     newDirection.rotateUz(dir);   
     G4DynamicParticle* newdp = new G4DynamicParticle(ion, newDirection, trec);
     fvect->push_back(newdp);
   } else if(trec > 0.0) {
     edep = trec;
     fParticleChange->ProposeNonIonizingEnergyDeposit(edep);
   }
 
   // finelize primary energy and energy balance
   G4double finalT = v1.e() - mass;
   if(finalT < 0.0) { 
     edep += finalT;
     finalT = 0.0;
   } 
   edep = std::max(edep, 0.0);
   fParticleChange->SetProposedKineticEnergy(finalT);
   fParticleChange->ProposeLocalEnergyDeposit(edep);
 }

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◆ SetHeavyIonCorr()

void G4IonCoulombScatteringModel::SetHeavyIonCorr ( G4int b )

inline

Definition at line 173 of file G4IonCoulombScatteringModel.hh.

 {
   heavycorr = b; 
 }

◆ SetRecoilThreshold()

void G4IonCoulombScatteringModel::SetRecoilThreshold ( G4double eth )

inline

Definition at line 166 of file G4IonCoulombScatteringModel.hh.

 {
   recoilThreshold = eth;
 }

◆ SetupParticle()

void G4IonCoulombScatteringModel::SetupParticle ( const G4ParticleDefinition * p )

inlineprivate

Definition at line 155 of file G4IonCoulombScatteringModel.hh.

 {
   if(p != particle) {
     particle = p;
     mass = particle->GetPDGMass();
     ioncross->SetupParticle(p);
   }
 }

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Member Data Documentation

◆ cosThetaMin

G4double G4IonCoulombScatteringModel::cosThetaMin

private

Definition at line 130 of file G4IonCoulombScatteringModel.hh.

◆ currentCouple

const G4MaterialCutsCouple* G4IonCoulombScatteringModel::currentCouple

private

Definition at line 123 of file G4IonCoulombScatteringModel.hh.

◆ currentElement

const G4Element* G4IonCoulombScatteringModel::currentElement

private

Definition at line 125 of file G4IonCoulombScatteringModel.hh.

◆ currentMaterial

const G4Material* G4IonCoulombScatteringModel::currentMaterial

private

Definition at line 124 of file G4IonCoulombScatteringModel.hh.

◆ currentMaterialIndex

G4int G4IonCoulombScatteringModel::currentMaterialIndex

private

Definition at line 126 of file G4IonCoulombScatteringModel.hh.

◆ fNistManager

G4NistManager* G4IonCoulombScatteringModel::fNistManager

private

Definition at line 119 of file G4IonCoulombScatteringModel.hh.

◆ fParticleChange

G4ParticleChangeForGamma* G4IonCoulombScatteringModel::fParticleChange

private

Definition at line 118 of file G4IonCoulombScatteringModel.hh.

◆ heavycorr

G4int G4IonCoulombScatteringModel::heavycorr

private

Definition at line 128 of file G4IonCoulombScatteringModel.hh.

◆ ioncross

G4IonCoulombCrossSection* G4IonCoulombScatteringModel::ioncross

private

Definition at line 120 of file G4IonCoulombScatteringModel.hh.

◆ mass

G4double G4IonCoulombScatteringModel::mass

private

Definition at line 136 of file G4IonCoulombScatteringModel.hh.

◆ particle

const G4ParticleDefinition* G4IonCoulombScatteringModel::particle

private

Definition at line 134 of file G4IonCoulombScatteringModel.hh.

◆ pCuts

const std::vector<G4double>* G4IonCoulombScatteringModel::pCuts

private

Definition at line 122 of file G4IonCoulombScatteringModel.hh.

◆ recoilThreshold

G4double G4IonCoulombScatteringModel::recoilThreshold

private

Definition at line 131 of file G4IonCoulombScatteringModel.hh.

◆ theIonTable

G4IonTable* G4IonCoulombScatteringModel::theIonTable

private

Definition at line 117 of file G4IonCoulombScatteringModel.hh.

◆ theProton

const G4ParticleDefinition* G4IonCoulombScatteringModel::theProton

private

Definition at line 135 of file G4IonCoulombScatteringModel.hh.

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

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ G4IonCoulombScatteringModel() [1/2]

◆ ~G4IonCoulombScatteringModel()

◆ G4IonCoulombScatteringModel() [2/2]

Member Function Documentation

◆ ComputeCrossSectionPerAtom()

◆ DefineMaterial()

◆ GetHeavyIonCorr()

◆ Initialise()

◆ operator=()

◆ SampleSecondaries()

◆ SetHeavyIonCorr()

◆ SetRecoilThreshold()

◆ SetupParticle()

Member Data Documentation

◆ cosThetaMin

◆ currentCouple

◆ currentElement

◆ currentMaterial

◆ currentMaterialIndex

◆ fNistManager

◆ fParticleChange

◆ heavycorr

◆ ioncross

◆ mass

◆ particle

◆ pCuts

◆ recoilThreshold

◆ theIonTable

◆ theProton