G4NeutronHPCapture Class Reference

#include <G4NeutronHPCapture.hh>

Inheritance diagram for G4NeutronHPCapture:

Public Member Functions
	G4NeutronHPCapture ()
	~G4NeutronHPCapture () override
G4HadFinalState *	ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &aTargetNucleus) override
const std::pair< G4double, G4double >	GetFatalEnergyCheckLevels () const override
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 G4NeutronHPCapture.hh.

Constructor & Destructor Documentation

G4NeutronHPCapture()

G4NeutronHPCapture::G4NeutronHPCapture

(

)

Definition at line 46 of file G4NeutronHPCapture.cc.

                                       : G4HadronicInteraction("NeutronHPCapture")
{
  SetMinEnergy(0.0);
  SetMaxEnergy(20. * MeV);
}

~G4NeutronHPCapture()

G4NeutronHPCapture::~G4NeutronHPCapture ( )

override

Definition at line 52 of file G4NeutronHPCapture.cc.

{
  if (!G4Threading::IsWorkerThread()) {
    if (theCapture != nullptr) {
      for (auto& ite : *theCapture) {
        delete ite;
      }
      theCapture->clear();
    }
  }
}

Member Function Documentation

ApplyYourself()

G4HadFinalState * G4NeutronHPCapture::ApplyYourself ( const G4HadProjectile & aTrack, G4Nucleus & aTargetNucleus )

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 65 of file G4NeutronHPCapture.cc.

{
  G4ParticleHPManager::GetInstance()->OpenReactionWhiteBoard();
  const G4Material* theMaterial = aTrack.GetMaterial();
  auto n = (G4int)theMaterial->GetNumberOfElements();
  std::size_t index = theMaterial->GetElement(0)->GetIndex();
  if (n != 1) {
    auto xSec = new G4double[n];
    G4double sum = 0;
    G4int i;
    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] = ((*theCapture)[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(random<=running/sum) break;
      if (sum == 0 || random <= running / sum) break;
    }
    if (i == n) i = std::max(0, n - 1);
    delete[] xSec;
  }
 
  G4HadFinalState* result = ((*theCapture)[index])->ApplyYourself(aTrack);
 
  // 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;
  }
  // G4cout << "Target Material of this reaction is " << theMaterial->GetName() << G4endl;
  // G4cout << "Target Element of this reaction is " << target_element->GetName() << G4endl;
  // G4cout << "Target Isotope of this reaction is " << target_isotope->GetName() << G4endl;
  aNucleus.SetIsotope(target_isotope);
 
  G4ParticleHPManager::GetInstance()->CloseReactionWhiteBoard();
  return result;
}

Referenced by ApplyYourself().

BuildPhysicsTable()

void G4NeutronHPCapture::BuildPhysicsTable ( const G4ParticleDefinition & )

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 140 of file G4NeutronHPCapture.cc.

{
  G4ParticleHPManager* hpmanager = G4ParticleHPManager::GetInstance();
 
  theCapture = hpmanager->GetCaptureFinalStates();
 
  if (G4Threading::IsMasterThread()) {
    if (theCapture == nullptr)
      theCapture = new std::vector<G4ParticleHPChannel*>;
 
    if (numEle == (G4int)G4Element::GetNumberOfElements()) return;
 
    if (theCapture->size() == G4Element::GetNumberOfElements()) {
      numEle = (G4int)G4Element::GetNumberOfElements();
      return;
    }
 
    if (G4FindDataDir("G4NEUTRONHPDATA") == nullptr)
      throw G4HadronicException(
        __FILE__, __LINE__,
        "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files.");
    dirName = G4FindDataDir("G4NEUTRONHPDATA");
    G4String tString = "/Capture";
    dirName = dirName + tString;
 
    auto theFS = new G4NeutronHPCaptureFS;
    for (G4int i = numEle; i < (G4int)G4Element::GetNumberOfElements(); ++i) {
      theCapture->push_back(new G4ParticleHPChannel);
      ((*theCapture)[i])->Init((*(G4Element::GetElementTable()))[i], dirName);
      ((*theCapture)[i])->Register(theFS);
    }
    delete theFS;
    hpmanager->RegisterCaptureFinalStates(theCapture);
  }
  numEle = (G4int)G4Element::GetNumberOfElements();
}

GetFatalEnergyCheckLevels()

const std::pair< G4double, G4double > G4NeutronHPCapture::GetFatalEnergyCheckLevels ( ) const

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 124 of file G4NeutronHPCapture.cc.

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

GetVerboseLevel()

G4int G4NeutronHPCapture::GetVerboseLevel

(

)

const

Definition at line 130 of file G4NeutronHPCapture.cc.

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

ModelDescription()

void G4NeutronHPCapture::ModelDescription ( std::ostream & outFile ) const

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 177 of file G4NeutronHPCapture.cc.

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

SetVerboseLevel()

void G4NeutronHPCapture::SetVerboseLevel

(

G4int

newValue

)

Definition at line 135 of file G4NeutronHPCapture.cc.

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

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

• G4NeutronHPCapture.hh
• G4NeutronHPCapture.cc