G4ionIonisation Class Reference

#include <G4ionIonisation.hh>

Inheritance diagram for G4ionIonisation:

Public Member Functions
	G4ionIonisation (const G4String &name="ionIoni")
virtual	~G4ionIonisation ()
virtual G4bool	IsApplicable (const G4ParticleDefinition &p)
virtual void	PrintInfo ()
void	AddStoppingData (G4int Z, G4int A, const G4String &materialName, G4PhysicsVector *dVector)
void	ActivateStoppingData (G4bool)
Protected Member Functions
virtual void	InitialiseEnergyLossProcess (const G4ParticleDefinition *, const G4ParticleDefinition *)
virtual G4double	MinPrimaryEnergy (const G4ParticleDefinition *p, const G4Material *, G4double cut)
G4double	BetheBlochEnergyThreshold ()

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Detailed Description

Definition at line 78 of file G4ionIonisation.hh.

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Constructor & Destructor Documentation

G4ionIonisation::G4ionIonisation

(

const G4String &

name = "ionIoni"

)

Definition at line 83 of file G4ionIonisation.cc.

References G4Electron::Electron(), G4LossTableManager::EmCorrections(), fIonisation, G4LossTableManager::Instance(), G4VEnergyLossProcess::SetLinearLossLimit(), G4VProcess::SetProcessSubType(), G4VEnergyLossProcess::SetSecondaryParticle(), and G4VEnergyLossProcess::SetStepFunction().

  : G4VEnergyLossProcess(name),
    theParticle(0),
    isInitialised(false),
    stopDataActive(true)
{
  SetLinearLossLimit(0.02);
  SetStepFunction(0.1, 0.01*mm);
  SetProcessSubType(fIonisation);
  SetSecondaryParticle(G4Electron::Electron());
  corr = G4LossTableManager::Instance()->EmCorrections();
  eth = 2*MeV;
}

G4ionIonisation::~G4ionIonisation

(

)

[virtual]

Definition at line 99 of file G4ionIonisation.cc.

{}

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Member Function Documentation

void G4ionIonisation::ActivateStoppingData

(

G4bool

)

[inline]

Definition at line 125 of file G4ionIonisation.hh.

{
  stopDataActive = val;
}

void G4ionIonisation::AddStoppingData	(	G4int	Z,
		G4int	A,
		const G4String &	materialName,
		G4PhysicsVector *	dVector
	)

Definition at line 181 of file G4ionIonisation.cc.

References G4EmCorrections::AddStoppingData().

{
  corr->AddStoppingData(Z, A, mname, dVector);
}

G4double G4ionIonisation::BetheBlochEnergyThreshold

(

)

[inline, protected]

Definition at line 132 of file G4ionIonisation.hh.

{
  return eth;
}

void G4ionIonisation::InitialiseEnergyLossProcess	(	const G4ParticleDefinition *	,
		const G4ParticleDefinition *
	)			[protected, virtual]

Implements G4VEnergyLossProcess.

Definition at line 122 of file G4ionIonisation.cc.

References G4VEnergyLossProcess::AddEmModel(), G4VEnergyLossProcess::EmModel(), G4VEnergyLossProcess::FluctModel(), G4GenericIon::GenericIon(), G4ParticleDefinition::GetPDGMass(), G4VEmModel::HighEnergyLimit(), G4EmCorrections::InitialiseForNewRun(), G4VEnergyLossProcess::MaxKinEnergy(), G4VEnergyLossProcess::MinKinEnergy(), G4VEnergyLossProcess::SetBaseParticle(), G4VEnergyLossProcess::SetEmModel(), G4VEnergyLossProcess::SetFluctModel(), G4VEmModel::SetHighEnergyLimit(), and G4VEmModel::SetLowEnergyLimit().

{
  const G4ParticleDefinition* ion = G4GenericIon::GenericIon();

  if(!isInitialised) {

    theParticle = part;

    // define base particle
    const G4ParticleDefinition* theBaseParticle = 0;

    if(part == ion)     { theBaseParticle = 0; }
    else if(bpart == 0) { theBaseParticle = ion; }
    else                { theBaseParticle = bpart; }

    SetBaseParticle(theBaseParticle);

    if (!EmModel(1)) { SetEmModel(new G4BraggIonModel(), 1); }
    EmModel(1)->SetLowEnergyLimit(MinKinEnergy());

    // model limit defined for protons
    eth = (EmModel(1)->HighEnergyLimit())*part->GetPDGMass()/proton_mass_c2;
    EmModel(1)->SetHighEnergyLimit(eth);

    if (!FluctModel()) { SetFluctModel(new G4IonFluctuations()); }
    AddEmModel(1, EmModel(1), FluctModel());

    if (!EmModel(2)) { SetEmModel(new G4BetheBlochModel(),2); }  
    EmModel(2)->SetLowEnergyLimit(eth);
    EmModel(2)->SetHighEnergyLimit(MaxKinEnergy());
    AddEmModel(2, EmModel(2), FluctModel());    

    // Add ion stoping tables for Generic Ion
    if(part == ion) {
      G4WaterStopping  ws(corr);
      corr->SetIonisationModels(EmModel(1),EmModel(2));
    }
    isInitialised = true;
  }
  // reinitialisation of corrections for the new run
  if(part == ion) { corr->InitialiseForNewRun(); }
}

G4bool G4ionIonisation::IsApplicable

(

const G4ParticleDefinition &

p

)

[virtual]

Implements G4VEnergyLossProcess.

Definition at line 104 of file G4ionIonisation.cc.

References G4ParticleDefinition::GetParticleType(), G4ParticleDefinition::GetPDGCharge(), and G4ParticleDefinition::IsShortLived().

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

G4double G4ionIonisation::MinPrimaryEnergy	(	const G4ParticleDefinition *	p,
		const G4Material *	,
		G4double	cut
	)			[protected, virtual]

Reimplemented from G4VEnergyLossProcess.

Definition at line 112 of file G4ionIonisation.cc.

References G4ParticleDefinition::GetPDGMass().

{
  return 
    p->GetPDGMass()*(std::sqrt(1. + 0.5*cut/CLHEP::electron_mass_c2) - 1.0);
}

void G4ionIonisation::PrintInfo

(

)

[virtual]

Implements G4VEnergyLossProcess.

Definition at line 169 of file G4ionIonisation.cc.

References G4cout, G4endl, G4GenericIon::GenericIon(), and G4EmCorrections::GetNumberOfStoppingVectors().

{
  if (stopDataActive && G4GenericIon::GenericIon() == theParticle) {
    G4cout << "      Stopping Power data for " 
           << corr->GetNumberOfStoppingVectors()
           << " ion/material pairs "
           << G4endl;
  }
}

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

• G4ionIonisation.hh
• G4ionIonisation.cc

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