G4AblaInterface Class Reference

#include <G4AblaInterface.hh>

Inheritance diagram for G4AblaInterface:

Public Member Functions
	G4AblaInterface (G4ExcitationHandler *ptr=nullptr)
virtual	~G4AblaInterface ()
virtual G4ReactionProductVector *	DeExcite (G4Fragment &aFragment)
virtual G4HadFinalState *	ApplyYourself (G4HadProjectile const &, G4Nucleus &) final
virtual void	BuildPhysicsTable (const G4ParticleDefinition &) final
virtual void	InitialiseModel () final
virtual void	ModelDescription (std::ostream &outFile) const
virtual void	DeExciteModelDescription (std::ostream &outFile) const
Public Member Functions inherited from G4VPreCompoundModel
	G4VPreCompoundModel (G4ExcitationHandler *ptr=nullptr, const G4String &modelName="PrecompoundModel")
virtual	~G4VPreCompoundModel ()
void	SetExcitationHandler (G4ExcitationHandler *ptr)
G4ExcitationHandler *	GetExcitationHandler () const
	G4VPreCompoundModel (const G4VPreCompoundModel &)=delete
const G4VPreCompoundModel &	operator= (const G4VPreCompoundModel &right)=delete
G4bool	operator== (const G4VPreCompoundModel &right) const =delete
G4bool	operator!= (const G4VPreCompoundModel &right) const =delete
Public Member Functions inherited from G4HadronicInteraction
	G4HadronicInteraction (const G4String &modelName="HadronicModel")
virtual	~G4HadronicInteraction ()
virtual G4double	SampleInvariantT (const G4ParticleDefinition *p, G4double plab, G4int Z, G4int A)
virtual G4bool	IsApplicable (const G4HadProjectile &aTrack, G4Nucleus &targetNucleus)
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)
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
virtual const std::pair< G4double, G4double >	GetFatalEnergyCheckLevels () const
virtual std::pair< G4double, G4double >	GetEnergyMomentumCheckLevels () const
void	SetEnergyMomentumCheckLevels (G4double relativeLevel, G4double absoluteLevel)
	G4HadronicInteraction (const G4HadronicInteraction &right)=delete
const G4HadronicInteraction &	operator= (const G4HadronicInteraction &right)=delete
G4bool	operator== (const G4HadronicInteraction &right) const =delete
G4bool	operator!= (const G4HadronicInteraction &right) const =delete

Additional Inherited Members
Protected Member Functions inherited from G4HadronicInteraction
void	SetModelName (const G4String &nam)
G4bool	IsBlocked () const
void	Block ()
Protected Attributes inherited from G4HadronicInteraction
G4HadFinalState	theParticleChange
G4int	verboseLevel
G4double	theMinEnergy
G4double	theMaxEnergy
G4bool	isBlocked

Detailed Description

Definition at line 48 of file G4AblaInterface.hh.

Constructor & Destructor Documentation

G4AblaInterface()

G4AblaInterface::G4AblaInterface

(

G4ExcitationHandler *

ptr = nullptr

)

Definition at line 56 of file G4AblaInterface.cc.

  : G4VPreCompoundModel(ptr, "ABLAXX"),
    ablaResult(new G4VarNtp),
    theABLAModel(new G4Abla(ablaResult)),
    eventNumber(0),
    secID(-1),
    isInitialised(false)
{
  secID = G4PhysicsModelCatalog::GetModelID("model_" + GetModelName());
  // G4cout << "### NEW PrecompoundModel " << this << G4endl;
  if (!ptr) SetExcitationHandler(new G4ExcitationHandler);
  InitialiseModel();
  G4cout << G4endl << "G4AblaInterface::InitialiseModel() was right." << G4endl;
}

~G4AblaInterface()

G4AblaInterface::~G4AblaInterface ( )

virtual

Definition at line 71 of file G4AblaInterface.cc.

{
  applyYourselfResult.Clear();
  delete ablaResult;
  delete theABLAModel;
  delete GetExcitationHandler();
}

Member Function Documentation

ApplyYourself()

G4HadFinalState * G4AblaInterface::ApplyYourself ( G4HadProjectile const & thePrimary, G4Nucleus & theNucleus )

finalvirtual

Reimplemented from G4HadronicInteraction.

Definition at line 93 of file G4AblaInterface.cc.

{
  // This method is adapted from  G4PreCompoundModel::ApplyYourself,
  // and it is used only by Binary Cascade (BIC) when the latter is coupled with
  // Abla for nuclear de-excitation. This method allows BIC+ABLA to be used also
  // for proton and neutron projectile with kinetic energies below 45 MeV, by
  // creating a "compound" nucleus made by the system "target nucleus +
  // projectile", before calling the DeExcite method.
  const G4ParticleDefinition* primary = thePrimary.GetDefinition();
  if (primary != G4Neutron::Definition() && primary != G4Proton::Definition()) {
    G4ExceptionDescription ed;
    ed << "G4AblaModel is used for ";
    if (primary) ed << primary->GetParticleName();
    G4Exception("G4AblaInterface::ApplyYourself()", "had040", FatalException, ed, "");
    return nullptr;
  }
 
  G4int Zp = 0;
  G4int Ap = 1;
  if (primary == G4Proton::Definition()) Zp = 1;
  G4double timePrimary = thePrimary.GetGlobalTime();
  G4int A = theNucleus.GetA_asInt();
  G4int Z = theNucleus.GetZ_asInt();
  G4LorentzVector p = thePrimary.Get4Momentum();
  G4double mass = G4NucleiProperties::GetNuclearMass(A, Z);
  p += G4LorentzVector(0.0, 0.0, 0.0, mass);
 
  G4Fragment anInitialState(A + Ap, Z + Zp, p);
  anInitialState.SetNumberOfExcitedParticle(1, Zp);
  anInitialState.SetNumberOfHoles(1, Zp);
  anInitialState.SetCreationTime(thePrimary.GetGlobalTime());
  anInitialState.SetCreatorModelID(secID);
 
  G4ReactionProductVector* deExciteResult = DeExcite(anInitialState);
 
  applyYourselfResult.Clear();
  applyYourselfResult.SetStatusChange(stopAndKill);
  for (auto const& prod : *deExciteResult) {
    G4DynamicParticle* aNewDP =
      new G4DynamicParticle(prod->GetDefinition(), prod->GetTotalEnergy(), prod->GetMomentum());
    G4HadSecondary aNew = G4HadSecondary(aNewDP);
    G4double time = std::max(prod->GetFormationTime(), 0.0);
    aNew.SetTime(timePrimary + time);
    aNew.SetCreatorModelID(prod->GetCreatorModelID());
    delete prod;
    applyYourselfResult.AddSecondary(aNew);
  }
  delete deExciteResult;
  return &applyYourselfResult;
}

BuildPhysicsTable()

void G4AblaInterface::BuildPhysicsTable ( const G4ParticleDefinition & )

finalvirtual

Reimplemented from G4HadronicInteraction.

Definition at line 79 of file G4AblaInterface.cc.

{
  InitialiseModel();
}

DeExcite()

G4ReactionProductVector * G4AblaInterface::DeExcite ( G4Fragment & aFragment )

virtual

Implements G4VPreCompoundModel.

Definition at line 145 of file G4AblaInterface.cc.

{
  if (!isInitialised) InitialiseModel();
 
  ablaResult->clear();
 
  const G4int ARem = aFragment.GetA_asInt();
  const G4int ZRem = aFragment.GetZ_asInt();
  const G4int SRem = -aFragment.GetNumberOfLambdas();  // Strangeness = - (Number of lambdas)
  const G4double eStarRem = aFragment.GetExcitationEnergy() / MeV;
  const G4double jRem = aFragment.GetAngularMomentum().mag() / hbar_Planck;
  const G4LorentzVector& pRem = aFragment.GetMomentum();
  const G4double pxRem = pRem.x() / MeV;
  const G4double pyRem = pRem.y() / MeV;
  const G4double pzRem = pRem.z() / MeV;
 
  ++eventNumber;
 
  theABLAModel->DeexcitationAblaxx(ARem, ZRem, eStarRem, jRem, pxRem, pyRem, pzRem,
                                   (G4int)eventNumber, SRem);
 
  G4ReactionProductVector* result = new G4ReactionProductVector;
 
  for (G4int j = 0; j < ablaResult->ntrack; ++j) {  // Copy ABLA result to the EventInfo
    G4ReactionProduct* product =
      toG4Particle(ablaResult->avv[j], ablaResult->zvv[j], ablaResult->svv[j], ablaResult->enerj[j],
                   ablaResult->pxlab[j], ablaResult->pylab[j], ablaResult->pzlab[j]);
    if (product) {
      product->SetCreatorModelID(secID);
      result->push_back(product);
    }
  }
  return result;
}

Referenced by ApplyYourself().

DeExciteModelDescription()

void G4AblaInterface::DeExciteModelDescription ( std::ostream & outFile ) const

virtual

Implements G4VPreCompoundModel.

Definition at line 257 of file G4AblaInterface.cc.

{
  outFile << "ABLA++ is a statistical model for nuclear de-excitation. It simulates\n"
          << "the gamma emission and the evaporation of neutrons, light charged\n"
          << "particles and IMFs, as well as fission where applicable. The code\n"
          << "included in Geant4 is a C++ translation of the original Fortran\n"
          << "code ABLA07. Although the model has been recently extended to\n"
          << "hypernuclei by including the evaporation of lambda particles.\n"
          << "More details about the physics are available in the Geant4\n"
          << "Physics Reference Manual and in the reference articles.\n\n"
          << "References:\n"
          << "(1) A. Kelic, M. V. Ricciardi, and K. H. Schmidt, in Proceedings of Joint\n"
          << "ICTP-IAEA Advanced Workshop on Model Codes for Spallation Reactions,\n"
          << "ICTP Trieste, Italy, 4–8 February 2008, edited by D. Filges, S. "
             "Leray, Y. Yariv, A. Mengoni, A. Stanculescu, and G. Mank (IAEA "
             "INDC(NDS)-530, Vienna, 2008), pp. 181–221.\n\n"
          << "(2) J.L. Rodriguez-Sanchez, J.-C. David et al., Phys. Rev. C 98, 021602R (2018)\n"
          << "(3) J.L. Rodriguez-Sanchez et al., Phys. Rev. C 105, 014623 (2022)\n"
          << "(4) J.L. Rodriguez-Sanchez et al., Phys. Rev. Lett. 130, 132501 (2023)\n\n";
}

InitialiseModel()

void G4AblaInterface::InitialiseModel ( )

finalvirtual

Reimplemented from G4HadronicInteraction.

Definition at line 84 of file G4AblaInterface.cc.

{
  if (isInitialised) return;
  isInitialised = true;
  theABLAModel->initEvapora();
  theABLAModel->SetParameters();
  GetExcitationHandler()->Initialise();
}

Referenced by BuildPhysicsTable(), DeExcite(), and G4AblaInterface().

ModelDescription()

void G4AblaInterface::ModelDescription ( std::ostream & outFile ) const

virtual

Reimplemented from G4HadronicInteraction.

Definition at line 251 of file G4AblaInterface.cc.

{
  outFile << "ABLA++ does not provide an implementation of the ApplyYourself "
             "method!\n\n";
}

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

• G4AblaInterface.hh
• G4AblaInterface.cc