G4hhIonisation Class Reference

#include <G4hhIonisation.hh>

Inheritance diagram for G4hhIonisation:

Public Member Functions
	G4hhIonisation (const G4String &name="hhIoni")
virtual	~G4hhIonisation ()
virtual G4bool	IsApplicable (const G4ParticleDefinition &p)
virtual G4double	MinPrimaryEnergy (const G4ParticleDefinition *p, const G4Material *, G4double cut)
virtual void	PrintInfo ()
Protected Member Functions
virtual void	InitialiseEnergyLossProcess (const G4ParticleDefinition *, const G4ParticleDefinition *)

---

Detailed Description

Definition at line 61 of file G4hhIonisation.hh.

---

Constructor & Destructor Documentation

G4hhIonisation::G4hhIonisation

(

const G4String &

name = "hhIoni"

)

Definition at line 64 of file G4hhIonisation.cc.

References fIonisation, G4VProcess::SetProcessSubType(), G4VEnergyLossProcess::SetStepFunction(), and G4VProcess::SetVerboseLevel().

  : G4VEnergyLossProcess(name),
    theParticle(0),
    theBaseParticle(0),
    isInitialised(false)
{
  SetStepFunction(0.1, 0.1*mm);
  SetVerboseLevel(1);
  SetProcessSubType(fIonisation);
  mass = 0.0;
  ratio = 0.0;
  flucModel = 0;
}

G4hhIonisation::~G4hhIonisation

(

)

[virtual]

Definition at line 80 of file G4hhIonisation.cc.

{}

---

Member Function Documentation

void G4hhIonisation::InitialiseEnergyLossProcess	(	const G4ParticleDefinition *	,
		const G4ParticleDefinition *
	)			[protected, virtual]

Implements G4VEnergyLossProcess.

Definition at line 105 of file G4hhIonisation.cc.

References G4VEnergyLossProcess::AddEmModel(), G4Electron::Electron(), G4cout, G4endl, G4lrint(), G4ParticleDefinition::GetPDGCharge(), G4ParticleDefinition::GetPDGMass(), G4VProcess::GetProcessName(), G4LossTableManager::Instance(), G4VEnergyLossProcess::MaxKinEnergy(), G4VEnergyLossProcess::MinKinEnergy(), G4VEnergyLossProcess::SetBaseParticle(), G4VEnergyLossProcess::SetDEDXBinning(), G4VEmModel::SetHighEnergyLimit(), G4VEmModel::SetLowEnergyLimit(), G4VEnergyLossProcess::SetMaxKinEnergy(), G4VEnergyLossProcess::SetMinKinEnergy(), G4VEnergyLossProcess::SetSecondaryParticle(), and G4VProcess::verboseLevel.

{
  if(isInitialised) { return; }

  theParticle = part;
  if(bpart) { 
    G4cout << "G4hhIonisation::InitialiseEnergyLossProcess WARNING: no "
           << "base particle should be defined for the process "
           << GetProcessName() << G4endl; 
  }
  SetBaseParticle(0);
  SetSecondaryParticle(G4Electron::Electron());
  mass  = theParticle->GetPDGMass();
  ratio = electron_mass_c2/mass;
  G4double eth = 2*MeV*mass/proton_mass_c2;
  flucModel = new G4IonFluctuations();

  G4double emin = std::min(MinKinEnergy(), 0.1*eth);
  G4double emax = std::max(MaxKinEnergy(), 100*eth);

  SetMinKinEnergy(emin);
  SetMaxKinEnergy(emax);
  G4int bin = G4lrint(G4LossTableManager::Instance()->GetNumberOfBinsPerDecade()
                      *std::log10(emax/emin));
  SetDEDXBinning(bin);

  G4VEmModel* em = 0; 
  if(part->GetPDGCharge() > 0.0) { em = new G4BraggNoDeltaModel(); }
  else { em = new G4ICRU73NoDeltaModel(); }
  em->SetLowEnergyLimit(emin);
  em->SetHighEnergyLimit(eth);
  AddEmModel(1, em, flucModel);

  em = new G4BetheBlochNoDeltaModel();
  em->SetLowEnergyLimit(eth);
  em->SetHighEnergyLimit(emax);
  AddEmModel(1, em, flucModel);

  if(verboseLevel>1) {
    G4cout << "G4hhIonisation is initialised" << G4endl;
  }
  isInitialised = true;
}

G4bool G4hhIonisation::IsApplicable

(

const G4ParticleDefinition &

p

)

[virtual]

Implements G4VEnergyLossProcess.

Definition at line 85 of file G4hhIonisation.cc.

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

{
  return (p.GetPDGCharge() != 0.0 && p.GetPDGMass() > 100.0*MeV &&
         !p.IsShortLived());
}

G4double G4hhIonisation::MinPrimaryEnergy	(	const G4ParticleDefinition *	p,
		const G4Material *	,
		G4double	cut
	)			[virtual]

Reimplemented from G4VEnergyLossProcess.

Definition at line 93 of file G4hhIonisation.cc.

References G4InuclParticleNames::gam.

{
  G4double x = 0.5*cut/electron_mass_c2;
  G4double y = electron_mass_c2/mass;
  G4double gam = x*y + std::sqrt((1. + x)*(1. + x*y*y));
  return mass*(gam - 1.0);
}

void G4hhIonisation::PrintInfo

(

)

[virtual]

Implements G4VEnergyLossProcess.

Definition at line 152 of file G4hhIonisation.cc.

References G4cout, and G4endl.

{
  G4cout << "      Delta-ray will not be produced; "
         << G4endl;
}

---

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

• G4hhIonisation.hh
• G4hhIonisation.cc

---