G4ParticleHPElastic Class Reference

#include <G4ParticleHPElastic.hh>

Inheritance diagram for G4ParticleHPElastic:

Public Member Functions
	G4ParticleHPElastic ()
	~G4ParticleHPElastic () override
G4HadFinalState *	ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &aTargetNucleus) override
G4HadFinalState *	ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &aTargetNucleus, G4bool isFromTSL)
const std::pair< G4double, G4double >	GetFatalEnergyCheckLevels () const override
G4int	GetNiso ()
void	DoNotSuspend ()
G4int	GetVerboseLevel () const
void	SetVerboseLevel (G4int)
void	BuildPhysicsTable (const G4ParticleDefinition &) override
void	ModelDescription (std::ostream &outFile) const override
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 std::pair< G4double, G4double >	GetEnergyMomentumCheckLevels () const
void	SetEnergyMomentumCheckLevels (G4double relativeLevel, G4double absoluteLevel)
virtual void	InitialiseModel ()
	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 G4ParticleHPElastic.hh.

Constructor & Destructor Documentation

G4ParticleHPElastic()

G4ParticleHPElastic::G4ParticleHPElastic

(

)

Definition at line 43 of file G4ParticleHPElastic.cc.

                                         : G4HadronicInteraction("NeutronHPElastic")
{
  overrideSuspension = false;
  SetMinEnergy(0. * eV);
  SetMaxEnergy(20. * MeV);
}

~G4ParticleHPElastic()

G4ParticleHPElastic::~G4ParticleHPElastic ( )

override

Definition at line 50 of file G4ParticleHPElastic.cc.

{
  // the vectror is shared among threads, only master deletes
  if (!G4Threading::IsWorkerThread()) {
    if (theElastic != nullptr) {
      for (auto it = theElastic->cbegin(); it != theElastic->cend(); ++it) {
        delete *it;
      }
      theElastic->clear();
    }
  }
}

Member Function Documentation

ApplyYourself() [1/2]

G4HadFinalState * G4ParticleHPElastic::ApplyYourself ( const G4HadProjectile & aTrack, G4Nucleus & aTargetNucleus )

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 63 of file G4ParticleHPElastic.cc.

{
  return this->ApplyYourself(aTrack, aNucleus, false);
}

Referenced by ApplyYourself(), ApplyYourself(), and G4ParticleHPThermalScattering::ApplyYourself().

ApplyYourself() [2/2]

G4HadFinalState * G4ParticleHPElastic::ApplyYourself	(	const G4HadProjectile &	aTrack,
		G4Nucleus &	aTargetNucleus,
		G4bool	isFromTSL )

Definition at line 72 of file G4ParticleHPElastic.cc.

{
  G4ParticleHPManager::GetInstance()->OpenReactionWhiteBoard();
  const G4Material* theMaterial = aTrack.GetMaterial();
  auto n = (G4int)theMaterial->GetNumberOfElements();
  std::size_t index = theMaterial->GetElement(0)->GetIndex();
 
  if (!isFromTSL) {
    if (n != 1) {
      G4int i;
      auto xSec = new G4double[n];
      G4double sum = 0;
      const G4double* NumAtomsPerVolume = theMaterial->GetVecNbOfAtomsPerVolume();
      G4double rWeight;
      G4ParticleHPThermalBoost aThermalE;
      for (i = 0; i < n; ++i) {
        index = theMaterial->GetElement(i)->GetIndex();
        rWeight = NumAtomsPerVolume[i];
        xSec[i] = ((*theElastic)[index])
                    ->GetXsec(aThermalE.GetThermalEnergy(aTrack, theMaterial->GetElement(i),
                                                         theMaterial->GetTemperature()));
        xSec[i] *= rWeight;
        sum += xSec[i];
      }
      G4double random = G4UniformRand();
      G4double running = 0;
      for (i = 0; i < n; ++i) {
        running += xSec[i];
        index = theMaterial->GetElement(i)->GetIndex();
        if (sum == 0 || random <= running / sum) break;
      }
      delete[] xSec;
    }
  }
  else {
    G4int i;
    if (n != 1) {
      for (i = 0; i < n; ++i) {
        if (aNucleus.GetZ_asInt() == (G4int)(theMaterial->GetElement(i)->GetZ())) {
          index = theMaterial->GetElement(i)->GetIndex();
        }
      }
    }
  }
 
  // The boolean "true", as last argument, specifies to G4ParticleHPChannel::ApplyYourself
  // that it is an elastic channel: this is needed for the special DBRC treatment.
  G4HadFinalState* finalState = ((*theElastic)[index])->ApplyYourself(aTrack, -1, true);
 
  if (overrideSuspension) finalState->SetStatusChange(isAlive);
 
  // Overwrite target parameters
  aNucleus.SetParameters(G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA(),
                         G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargZ());
  const G4Element* target_element = (*G4Element::GetElementTable())[index];
  const G4Isotope* target_isotope = nullptr;
  auto iele = (G4int)target_element->GetNumberOfIsotopes();
  for (G4int j = 0; j != iele; ++j) {
    target_isotope = target_element->GetIsotope(j);
    if (target_isotope->GetN()
        == G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA())
      break;
  }
  aNucleus.SetIsotope(target_isotope);
 
  G4ParticleHPManager::GetInstance()->CloseReactionWhiteBoard();
  return finalState;
}

BuildPhysicsTable()

void G4ParticleHPElastic::BuildPhysicsTable ( const G4ParticleDefinition & )

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 158 of file G4ParticleHPElastic.cc.

{
  G4ParticleHPManager* hpmanager = G4ParticleHPManager::GetInstance();
 
  theElastic = hpmanager->GetElasticFinalStates();
 
  if (G4Threading::IsMasterThread()) {
    if (theElastic == nullptr) theElastic = new std::vector<G4ParticleHPChannel*>;
 
    if (numEle == (G4int)G4Element::GetNumberOfElements()) return;
 
    if (theElastic->size() == G4Element::GetNumberOfElements()) {
      numEle = (G4int)G4Element::GetNumberOfElements();
      return;
    }
 
    auto theFS = new G4ParticleHPElasticFS;
    if (G4FindDataDir("G4NEUTRONHPDATA") == nullptr)
      throw G4HadronicException(
        __FILE__, __LINE__,
        "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files.");
    dirName = G4FindDataDir("G4NEUTRONHPDATA");
    G4String tString = "/Elastic";
    dirName = dirName + tString;
    for (G4int i = numEle; i < (G4int)G4Element::GetNumberOfElements(); ++i) {
      theElastic->push_back(new G4ParticleHPChannel);
      ((*theElastic)[i])->Init((*(G4Element::GetElementTable()))[i], dirName);
      // while(!((*theElastic)[i])->Register(theFS)) ;
      ((*theElastic)[i])->Register(theFS);
    }
    delete theFS;
    hpmanager->RegisterElasticFinalStates(theElastic);
  }
  numEle = (G4int)G4Element::GetNumberOfElements();
}

Referenced by G4ParticleHPThermalScattering::BuildPhysicsTable().

DoNotSuspend()

void G4ParticleHPElastic::DoNotSuspend ( )

inline

Definition at line 65 of file G4ParticleHPElastic.hh.

{ overrideSuspension = true; }

GetFatalEnergyCheckLevels()

const std::pair< G4double, G4double > G4ParticleHPElastic::GetFatalEnergyCheckLevels ( ) const

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 142 of file G4ParticleHPElastic.cc.

{
  // max energy non-conservation is mass of heavy nucleus
  return std::pair<G4double, G4double>(10.0 * perCent, 350.0 * CLHEP::GeV);
}

GetNiso()

G4int G4ParticleHPElastic::GetNiso ( )

inline

Definition at line 63 of file G4ParticleHPElastic.hh.

{ return ((*theElastic)[0])->GetNiso(); };

GetVerboseLevel()

G4int G4ParticleHPElastic::GetVerboseLevel

(

)

const

Definition at line 148 of file G4ParticleHPElastic.cc.

{
  return G4ParticleHPManager::GetInstance()->GetVerboseLevel();
}

ModelDescription()

void G4ParticleHPElastic::ModelDescription ( std::ostream & outFile ) const

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 194 of file G4ParticleHPElastic.cc.

{
  outFile << "High Precision model based on Evaluated Nuclear Data Files (ENDF) for inelastic "
             "reaction of neutrons below 20MeV\n";
}

SetVerboseLevel()

void G4ParticleHPElastic::SetVerboseLevel

(

G4int

newValue

)

Definition at line 153 of file G4ParticleHPElastic.cc.

{
  G4ParticleHPManager::GetInstance()->SetVerboseLevel(newValue);
}

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

• G4ParticleHPElastic.hh
• G4ParticleHPElastic.cc