G4eeToHadronsMultiModel Class Reference

#include <G4eeToHadronsMultiModel.hh>

Inheritance diagram for G4eeToHadronsMultiModel:

Public Member Functions
	G4eeToHadronsMultiModel (G4int ver=0, const G4String &nam="eeToHadrons")
virtual	~G4eeToHadronsMultiModel ()
virtual void	Initialise (const G4ParticleDefinition *, const G4DataVector &)
virtual G4double	CrossSectionPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy, G4double maxEnergy)
virtual G4double	ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kineticEnergy, G4double Z, G4double A, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
virtual void	SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin=0.0, G4double maxEnergy=DBL_MAX)
virtual void	PrintInfo ()
void	SetCrossSecFactor (G4double fac)
G4double	ComputeCrossSectionPerElectron (const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
Public Member Functions inherited from G4VEmModel
	G4VEmModel (const G4String &nam)
virtual	~G4VEmModel ()
virtual void	Initialise (const G4ParticleDefinition *, const G4DataVector &)=0
virtual void	SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin=0.0, G4double tmax=DBL_MAX)=0
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	ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0., 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 *)
virtual void	SetupForMaterial (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
virtual void	DefineForRegion (const G4Region *)
void	InitialiseElementSelectors (const G4ParticleDefinition *, const G4DataVector &)
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)
void	SetParticleChange (G4VParticleChange *, G4VEmFluctuationModel *f=0)
void	SetCrossSectionTable (G4PhysicsTable *)
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
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	ForceBuildTable (G4bool val)
G4double	MaxSecondaryKinEnergy (const G4DynamicParticle *dynParticle)
const G4String &	GetName () const
void	SetCurrentCouple (const G4MaterialCutsCouple *)
const G4Element *	GetCurrentElement () const

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
G4VParticleChange *	pParticleChange
G4PhysicsTable *	xSectionTable
const std::vector< G4double > *	theDensityFactor
const std::vector< G4int > *	theDensityIdx

Detailed Description

Definition at line 62 of file G4eeToHadronsMultiModel.hh.

Constructor & Destructor Documentation

G4eeToHadronsMultiModel()

G4eeToHadronsMultiModel::G4eeToHadronsMultiModel	(	G4int	ver = 0,
		const G4String &	nam = "eeToHadrons"
	)

Definition at line 65 of file G4eeToHadronsMultiModel.cc.

  : G4VEmModel(mname),
    csFactor(1.0),
    nModels(0),
    verbose(ver),
    isInitialised(false)
{
  thKineticEnergy  = DBL_MAX;
  maxKineticEnergy = 1.2*GeV;
  fParticleChange  = 0;
  cross = 0;
}

~G4eeToHadronsMultiModel()

G4eeToHadronsMultiModel::~G4eeToHadronsMultiModel ( )

virtual

Definition at line 80 of file G4eeToHadronsMultiModel.cc.

{
  G4int n = models.size();
  if(n>0) {
    for(G4int i=0; i<n; i++) {
      delete models[i];
    }
  }
  delete cross;
}

Member Function Documentation

ComputeCrossSectionPerAtom()

G4double G4eeToHadronsMultiModel::ComputeCrossSectionPerAtom ( const G4ParticleDefinition *  p, G4double  kineticEnergy, G4double  Z, G4double  A, G4double  cutEnergy = 0.0, G4double  maxEnergy = DBL_MAX  )

virtual

Reimplemented from G4VEmModel.

Definition at line 168 of file G4eeToHadronsMultiModel.cc.

{
  return Z*ComputeCrossSectionPerElectron(p, kineticEnergy);
}

ComputeCrossSectionPerElectron()

G4double G4eeToHadronsMultiModel::ComputeCrossSectionPerElectron ( const G4ParticleDefinition *  , G4double  kineticEnergy, G4double  cutEnergy = 0.0, G4double  maxEnergy = DBL_MAX  )

inline

Definition at line 132 of file G4eeToHadronsMultiModel.hh.

{
  G4double res = 0.0;
  if (kineticEnergy > thKineticEnergy) {
    for(G4int i=0; i<nModels; i++) {
      if(kineticEnergy >= ekinMin[i] && kineticEnergy <= ekinMax[i])
        res += (models[i])->ComputeCrossSectionPerElectron(0,kineticEnergy);
      cumSum[i] = res;
    }
  }
  return res*csFactor;
}

Referenced by ComputeCrossSectionPerAtom(), ComputeCrossSectionPerElectron(), and CrossSectionPerVolume().

CrossSectionPerVolume()

G4double G4eeToHadronsMultiModel::CrossSectionPerVolume ( const G4Material *  mat, const G4ParticleDefinition *  p, G4double  kineticEnergy, G4double  cutEnergy, G4double  maxEnergy  )

virtual

Reimplemented from G4VEmModel.

Definition at line 156 of file G4eeToHadronsMultiModel.cc.

{
  return mat->GetElectronDensity()*
    ComputeCrossSectionPerElectron(p, kineticEnergy);
}

Initialise()

void G4eeToHadronsMultiModel::Initialise ( const G4ParticleDefinition *  , const G4DataVector &    )

virtual

Implements G4VEmModel.

Definition at line 93 of file G4eeToHadronsMultiModel.cc.

{
  if(!isInitialised) {
    isInitialised = true;
 
    cross = new G4eeCrossSections();
 
    G4eeToTwoPiModel* m2pi = new G4eeToTwoPiModel(cross);
    m2pi->SetHighEnergy(maxKineticEnergy);
    AddEEModel(m2pi);
 
    G4eeTo3PiModel* m3pi1 = new G4eeTo3PiModel(cross);
    m3pi1->SetHighEnergy(0.95*GeV);
    AddEEModel(m3pi1);
 
    G4eeTo3PiModel* m3pi2 = new G4eeTo3PiModel(cross);
    m3pi2->SetLowEnergy(0.95*GeV);
    m3pi2->SetHighEnergy(maxKineticEnergy);
    AddEEModel(m3pi2);
 
    G4ee2KChargedModel* m2kc = new G4ee2KChargedModel(cross);
    m2kc->SetHighEnergy(maxKineticEnergy);
    AddEEModel(m2kc);
 
    G4ee2KNeutralModel* m2kn = new G4ee2KNeutralModel(cross);
    m2kn->SetHighEnergy(maxKineticEnergy);
    AddEEModel(m2kn);
 
    G4eeToPGammaModel* mpg1 = new G4eeToPGammaModel(cross,"pi0");
    mpg1->SetLowEnergy(0.7*GeV);
    mpg1->SetHighEnergy(maxKineticEnergy);
    AddEEModel(mpg1);
 
    G4eeToPGammaModel* mpg2 = new G4eeToPGammaModel(cross,"eta");
    mpg2->SetLowEnergy(0.7*GeV);
    mpg2->SetHighEnergy(maxKineticEnergy);
    AddEEModel(mpg2);
 
    nModels = models.size();
 
    fParticleChange = GetParticleChangeForGamma();
  }
}

PrintInfo()

void G4eeToHadronsMultiModel::PrintInfo ( )

virtual

Definition at line 200 of file G4eeToHadronsMultiModel.cc.

{
  if(verbose > 0) {
    G4double e1 = 0.5*thKineticEnergy*thKineticEnergy/electron_mass_c2 
      - 2.0*electron_mass_c2; 
    G4double e2 = 0.5*maxKineticEnergy*maxKineticEnergy/electron_mass_c2 
      - 2.0*electron_mass_c2; 
    G4cout << "      e+ annihilation into hadrons active from "
           << e1/GeV << " GeV to " << e2/GeV << " GeV"
           << G4endl;
  }
}

Referenced by G4eeToHadrons::PrintInfo().

SampleSecondaries()

void G4eeToHadronsMultiModel::SampleSecondaries ( std::vector< G4DynamicParticle * > *  newp, const G4MaterialCutsCouple *  couple, const G4DynamicParticle *  dp, G4double  tmin = 0.0, G4double  maxEnergy = DBL_MAX  )

virtual

Implements G4VEmModel.

Definition at line 180 of file G4eeToHadronsMultiModel.cc.

{
  G4double kinEnergy = dp->GetKineticEnergy();
  if (kinEnergy > thKineticEnergy) {
    G4double q = cumSum[nModels-1]*G4UniformRand();
    for(G4int i=0; i<nModels; i++) {
      if(q <= cumSum[i]) {
        (models[i])->SampleSecondaries(newp, couple,dp);
    if(newp->size() > 0) fParticleChange->ProposeTrackStatus(fStopAndKill);
    break;
      }
    }
  }
}

Referenced by SampleSecondaries().

SetCrossSecFactor()

void G4eeToHadronsMultiModel::SetCrossSecFactor

(

G4double

fac

)

Definition at line 215 of file G4eeToHadronsMultiModel.cc.

{
  if(fac > 1.0) {
    csFactor = fac;
    if(verbose > 0)
      G4cout << "### G4eeToHadronsMultiModel: The cross section for G4eeToHadronsMultiModel "
             << " is increased by the Factor= " << csFactor << G4endl;
  }
}

Referenced by G4eeToHadrons::InitialiseProcess(), and G4eeToHadrons::SetCrossSecFactor().

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

• G4eeToHadronsMultiModel.hh
• G4eeToHadronsMultiModel.cc