G4LESigmaPlusInelastic Class Reference

#include <G4LESigmaPlusInelastic.hh>

Inheritance diagram for G4LESigmaPlusInelastic:

Public Member Functions
	G4LESigmaPlusInelastic ()
	~G4LESigmaPlusInelastic ()
G4HadFinalState *	ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &targetNucleus)
virtual void	ModelDescription (std::ostream &outFile) const
Public Member Functions inherited from G4InelasticInteraction
	G4InelasticInteraction (const G4String &name="LEInelastic")
virtual	~G4InelasticInteraction ()
void	RegisterIsotopeProductionModel (G4VIsotopeProduction *aModel)
void	TurnOnIsotopeProduction ()
virtual const std::pair< G4double, G4double >	GetFatalEnergyCheckLevels () const
Public Member Functions inherited from G4HadronicInteraction
	G4HadronicInteraction (const G4String &modelName="HadronicModel")
virtual	~G4HadronicInteraction ()
virtual G4HadFinalState *	ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &targetNucleus)=0
virtual G4double	SampleInvariantT (const G4ParticleDefinition *p, G4double plab, G4int Z, G4int A)
virtual G4bool	IsApplicable (const G4HadProjectile &, G4Nucleus &)
G4double	GetMinEnergy () const
G4double	GetMinEnergy (const G4Material *aMaterial, const G4Element *anElement) const
void	SetMinEnergy (G4double anEnergy)
void	SetMinEnergy (G4double anEnergy, const G4Element *anElement)
void	SetMinEnergy (G4double anEnergy, const G4Material *aMaterial)
G4double	GetMaxEnergy () const
G4double	GetMaxEnergy (const G4Material *aMaterial, const G4Element *anElement) const
void	SetMaxEnergy (const G4double anEnergy)
void	SetMaxEnergy (G4double anEnergy, const G4Element *anElement)
void	SetMaxEnergy (G4double anEnergy, const G4Material *aMaterial)
const G4HadronicInteraction *	GetMyPointer () const
G4int	GetVerboseLevel () const
void	SetVerboseLevel (G4int value)
const G4String &	GetModelName () const
void	DeActivateFor (const G4Material *aMaterial)
void	ActivateFor (const G4Material *aMaterial)
void	DeActivateFor (const G4Element *anElement)
void	ActivateFor (const G4Element *anElement)
G4bool	IsBlocked (const G4Material *aMaterial) const
G4bool	IsBlocked (const G4Element *anElement) const
void	SetRecoilEnergyThreshold (G4double val)
G4double	GetRecoilEnergyThreshold () const
G4bool	operator== (const G4HadronicInteraction &right) const
G4bool	operator!= (const G4HadronicInteraction &right) const
virtual const std::pair< G4double, G4double >	GetFatalEnergyCheckLevels () const
virtual std::pair< G4double, G4double >	GetEnergyMomentumCheckLevels () const
void	SetEnergyMomentumCheckLevels (G4double relativeLevel, G4double absoluteLevel)
virtual void	ModelDescription (std::ostream &outFile) const

Additional Inherited Members
Static Public Member Functions inherited from G4InelasticInteraction
static G4IsoParticleChange *	GetIsotopeProductionInfo ()
Protected Member Functions inherited from G4InelasticInteraction
G4double	Pmltpc (G4int np, G4int nm, G4int nz, G4int n, G4double b, G4double c)
G4bool	MarkLeadingStrangeParticle (const G4ReactionProduct &currentParticle, const G4ReactionProduct &targetParticle, G4ReactionProduct &leadParticle)
void	SetUpPions (const G4int np, const G4int nm, const G4int nz, G4FastVector< G4ReactionProduct, GHADLISTSIZE > &vec, G4int &vecLen)
void	Rotate (G4FastVector< G4ReactionProduct, GHADLISTSIZE > &vec, G4int &vecLen)
void	GetNormalizationConstant (const G4double availableEnergy, G4double &n, G4double &anpn)
void	CalculateMomenta (G4FastVector< G4ReactionProduct, GHADLISTSIZE > &vec, G4int &vecLen, const G4HadProjectile *originalIncident, const G4DynamicParticle *originalTarget, G4ReactionProduct &modifiedOriginal, G4Nucleus &targetNucleus, G4ReactionProduct &currentParticle, G4ReactionProduct &targetParticle, G4bool &incidentHasChanged, G4bool &targetHasChanged, G4bool quasiElastic)
void	SetUpChange (G4FastVector< G4ReactionProduct, GHADLISTSIZE > &vec, G4int &vecLen, G4ReactionProduct &currentParticle, G4ReactionProduct &targetParticle, G4bool &incidentHasChanged)
void	DoIsotopeCounting (const G4HadProjectile *theProjectile, const G4Nucleus &aNucleus)
G4IsoResult *	ExtractResidualNucleus (const G4Nucleus &aNucleus)
Protected Member Functions inherited from G4HadronicInteraction
void	SetModelName (const G4String &nam)
G4bool	IsBlocked () const
void	Block ()
Protected Attributes inherited from G4InelasticInteraction
G4bool	isotopeProduction
G4ReactionDynamics	theReactionDynamics
Protected Attributes inherited from G4HadronicInteraction
G4HadFinalState	theParticleChange
G4int	verboseLevel
G4double	theMinEnergy
G4double	theMaxEnergy
G4bool	isBlocked

Detailed Description

Definition at line 45 of file G4LESigmaPlusInelastic.hh.

Constructor & Destructor Documentation

G4LESigmaPlusInelastic()

G4LESigmaPlusInelastic::G4LESigmaPlusInelastic ( )

inline

Definition at line 49 of file G4LESigmaPlusInelastic.hh.

                             : G4InelasticInteraction("G4LESigmaPlusInelastic")
    {
      SetMinEnergy( 0.0 );
      SetMaxEnergy( 25.*CLHEP::GeV );
      G4cout << "WARNING: model G4LESigmaPlusInelastic is being deprecated and will\n"
             << "disappear in Geant4 version 10.0"  << G4endl;
    }

~G4LESigmaPlusInelastic()

G4LESigmaPlusInelastic::~G4LESigmaPlusInelastic ( )

inline

Definition at line 57 of file G4LESigmaPlusInelastic.hh.

{ }

Member Function Documentation

ApplyYourself()

G4HadFinalState * G4LESigmaPlusInelastic::ApplyYourself ( const G4HadProjectile &  aTrack, G4Nucleus &  targetNucleus  )

virtual

Implements G4HadronicInteraction.

Definition at line 51 of file G4LESigmaPlusInelastic.cc.

{
  const G4HadProjectile *originalIncident = &aTrack;
  if (originalIncident->GetKineticEnergy()<= 0.1*MeV) {
    theParticleChange.SetStatusChange(isAlive);
    theParticleChange.SetEnergyChange(aTrack.GetKineticEnergy());
    theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit()); 
    return &theParticleChange;      
  }
 
  // create the target particle
  G4DynamicParticle* originalTarget = targetNucleus.ReturnTargetParticle();
    
  if (verboseLevel > 1) {
    const G4Material* targetMaterial = aTrack.GetMaterial();
    G4cout << "G4LESigmaPlusInelastic::ApplyYourself called" << G4endl;
    G4cout << "kinetic energy = " << originalIncident->GetKineticEnergy()/MeV << "MeV, ";
    G4cout << "target material = " << targetMaterial->GetName() << ", ";
    G4cout << "target particle = " << originalTarget->GetDefinition()->GetParticleName()
           << G4endl;
  }
 
  // Fermi motion and evaporation
  // As of Geant3, the Fermi energy calculation had not been Done
  G4double ek = originalIncident->GetKineticEnergy()/MeV;
  G4double amas = originalIncident->GetDefinition()->GetPDGMass()/MeV;
  G4ReactionProduct modifiedOriginal;
  modifiedOriginal = *originalIncident;
    
  G4double tkin = targetNucleus.Cinema(ek);
  ek += tkin;
  modifiedOriginal.SetKineticEnergy(ek*MeV);
  G4double et = ek + amas;
  G4double p = std::sqrt( std::abs((et-amas)*(et+amas)) );
  G4double pp = modifiedOriginal.GetMomentum().mag()/MeV;
  if (pp > 0.0) {
    G4ThreeVector momentum = modifiedOriginal.GetMomentum();
    modifiedOriginal.SetMomentum( momentum * (p/pp) );
  }
 
  // calculate black track energies
  tkin = targetNucleus.EvaporationEffects( ek );
  ek -= tkin;
  modifiedOriginal.SetKineticEnergy( ek*MeV );
  et = ek + amas;
  p = std::sqrt( std::abs((et-amas)*(et+amas)) );
  pp = modifiedOriginal.GetMomentum().mag()/MeV;
  if (pp > 0.0) {
    G4ThreeVector momentum = modifiedOriginal.GetMomentum();
    modifiedOriginal.SetMomentum( momentum * (p/pp) );
  }
  G4ReactionProduct currentParticle = modifiedOriginal;
  G4ReactionProduct targetParticle;
  targetParticle = *originalTarget;
  currentParticle.SetSide( 1 ); // incident always goes in forward hemisphere
  targetParticle.SetSide( -1 );  // target always goes in backward hemisphere
  G4bool incidentHasChanged = false;
  G4bool targetHasChanged = false;
  G4bool quasiElastic = false;
  G4FastVector<G4ReactionProduct,GHADLISTSIZE> vec;  // vec will contain the secondary particles
  G4int vecLen = 0;
  vec.Initialize(0);
    
  const G4double cutOff = 0.1;
  if (currentParticle.GetKineticEnergy()/MeV > cutOff)
    Cascade(vec, vecLen, originalIncident, currentParticle, targetParticle,
            incidentHasChanged, targetHasChanged, quasiElastic);
    
  CalculateMomenta(vec, vecLen, originalIncident, originalTarget,
                   modifiedOriginal, targetNucleus, currentParticle,
                   targetParticle, incidentHasChanged, targetHasChanged,
                   quasiElastic);
    
  SetUpChange(vec, vecLen, currentParticle, targetParticle, incidentHasChanged);
 
  if (isotopeProduction) DoIsotopeCounting(originalIncident, targetNucleus);
 
  delete originalTarget;
  return &theParticleChange;
}

ModelDescription()

void G4LESigmaPlusInelastic::ModelDescription ( std::ostream &  outFile ) const

virtual

Reimplemented from G4HadronicInteraction.

Definition at line 37 of file G4LESigmaPlusInelastic.cc.

{
  outFile << "G4LESigmaPlusInelastic is one of the Low Energy Parameterized\n"
          << "(LEP) models used to implement inelastic Sigma+ scattering\n"
          << "from nuclei.  It is a re-engineered version of the GHEISHA\n"
          << "code of H. Fesefeldt.  It divides the initial collision\n"
          << "products into backward- and forward-going clusters which are\n"
          << "then decayed into final state hadrons.  The model does not\n"
          << "conserve energy on an event-by-event basis.  It may be\n"
          << "applied to Sigma+ with initial energies between 0 and 25\n"
          << "GeV.\n";
}

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

• G4LESigmaPlusInelastic.hh
• G4LESigmaPlusInelastic.cc