#include <G4IonsShenCrossSection.hh>

Inheritance diagram for G4IonsShenCrossSection:

Public Member Functions
virtual void	BuildPhysicsTable (const G4ParticleDefinition &)

G4double	ComputeCrossSection (const G4DynamicParticle , const G4Element , const G4Material *mat=nullptr)

virtual void	CrossSectionDescription (std::ostream &) const

virtual void	DumpPhysicsTable (const G4ParticleDefinition &)

bool	ForAllAtomsAndEnergies () const

	G4IonsShenCrossSection ()

G4double	GetCrossSection (const G4DynamicParticle , const G4Element , const G4Material *mat=nullptr)

virtual G4double	GetElementCrossSection (const G4DynamicParticle , G4int Z, const G4Material )

virtual G4double	GetIsoCrossSection (const G4DynamicParticle , G4int Z, G4int A, const G4Isotope iso=0, const G4Element elm=0, const G4Material mat=0)

G4double	GetMaxKinEnergy () const

G4double	GetMinKinEnergy () const

const G4String &	GetName () const

virtual G4int	GetVerboseLevel () const

virtual G4bool	IsElementApplicable (const G4DynamicParticle aDP, G4int Z, const G4Material )

virtual G4bool	IsIsoApplicable (const G4DynamicParticle , G4int Z, G4int A, const G4Element elm=nullptr, const G4Material *mat=nullptr)

virtual const G4Isotope *	SelectIsotope (const G4Element *, G4double kinEnergy, G4double logE)

void	SetForAllAtomsAndEnergies (G4bool val)

void	SetMaxKinEnergy (G4double value)

void	SetMinKinEnergy (G4double value)

void	SetName (const G4String &nam)

virtual void	SetVerboseLevel (G4int value)

virtual	~G4IonsShenCrossSection ()

Protected Attributes
G4String	name

G4int	verboseLevel

Private Member Functions
G4double	calCeValue (const G4double)

G4double	calEcmValue (const G4double, const G4double, const G4double)

Private Attributes
G4bool	isForAllAtomsAndEnergies

G4double	maxKinEnergy

G4double	minKinEnergy

const G4double	r0

G4CrossSectionDataSetRegistry *	registry

const G4double	upperLimit

Detailed Description

Definition at line 51 of file G4IonsShenCrossSection.hh.

Constructor & Destructor Documentation

◆ G4IonsShenCrossSection()

G4IonsShenCrossSection::G4IonsShenCrossSection ( )

Definition at line 42 of file G4IonsShenCrossSection.cc.

  : G4VCrossSectionDataSet("IonsShen"),
    upperLimit( 10*GeV ),
//  lowerLimit( 10*MeV ),
    r0 ( 1.1 )
{}

◆ ~G4IonsShenCrossSection()

G4IonsShenCrossSection::~G4IonsShenCrossSection ( )

virtual

Definition at line 49 of file G4IonsShenCrossSection.cc.

50{}

Member Function Documentation

◆ BuildPhysicsTable()

void G4VCrossSectionDataSet::BuildPhysicsTable ( const G4ParticleDefinition & )

virtualinherited

◆ calCeValue()

G4double G4IonsShenCrossSection::calCeValue ( const G4double ke )

private

Definition at line 144 of file G4IonsShenCrossSection.cc.

{
  // Calculate c value 
  // This value is indepenent from projectile and target particle 
  // ke is projectile kinetic energy per nucleon in the Lab system 
  // with MeV unit 
  // fitting function is made by T. Koi 
  // There are no data below 30 MeV/n in Kox et al., 
 
   G4double Ce; 
   G4double log10_ke = std::log10 ( ke );   
   if (log10_ke > 1.5) 
   {
     Ce = -10.0/std::pow(G4double(log10_ke), G4double(5)) + 2.0;
   }
   else
   {
     Ce = (-10.0/std::pow(G4double(1.5), G4double(5) ) + 2.0) /
         std::pow(G4double(1.5) , G4double(3)) * std::pow(G4double(log10_ke), G4double(3));
   }
   return Ce;
}

Referenced by GetIsoCrossSection().

◆ calEcmValue()

G4double G4IonsShenCrossSection::calEcmValue	(	const G4double	mp,
		const G4double	mt,
		const G4double	Plab
	)

private

Definition at line 133 of file G4IonsShenCrossSection.cc.

{
   G4double Elab = std::sqrt ( mp * mp + Plab * Plab );
   G4double Ecm = std::sqrt ( mp * mp + mt * mt + 2 * Elab * mt );
   G4double Pcm = Plab * mt / Ecm;
   G4double KEcm = std::sqrt ( Pcm * Pcm + mp * mp ) - mp;
   return KEcm;
}

Referenced by GetIsoCrossSection().

◆ ComputeCrossSection()

G4double G4VCrossSectionDataSet::ComputeCrossSection	(	const G4DynamicParticle *	part,
		const G4Element *	elm,
		const G4Material *	mat = `nullptr`
	)

inherited

Definition at line 81 of file G4VCrossSectionDataSet.cc.

{
  G4int Z = elm->GetZasInt();
 
  if (IsElementApplicable(part, Z, mat)) { 
    return GetElementCrossSection(part, Z, mat);
  }
 
  // isotope-wise cross section making sum over available
  // isotope cross sections, which may be incomplete, so
  // the result is corrected 
  size_t nIso = elm->GetNumberOfIsotopes();    
  G4double fact = 0.0;
  G4double xsec = 0.0;
 
  // user-defined isotope abundances        
  const G4IsotopeVector* isoVector = elm->GetIsotopeVector();
  const G4double* abundVector = elm->GetRelativeAbundanceVector();
 
  for (size_t j=0; j<nIso; ++j) {
    const G4Isotope* iso = (*isoVector)[j];
    G4int A = iso->GetN();
    if(abundVector[j] > 0.0 && IsIsoApplicable(part, Z, A, elm, mat)) {
      fact += abundVector[j];
      xsec += abundVector[j]*GetIsoCrossSection(part, Z, A, iso, elm, mat);
    }
  }
  return (fact > 0.0) ? xsec/fact : 0.0; 
}

References A, G4VCrossSectionDataSet::GetElementCrossSection(), G4VCrossSectionDataSet::GetIsoCrossSection(), G4Element::GetIsotopeVector(), G4Isotope::GetN(), G4Element::GetNumberOfIsotopes(), G4Element::GetRelativeAbundanceVector(), G4Element::GetZasInt(), G4VCrossSectionDataSet::IsElementApplicable(), G4VCrossSectionDataSet::IsIsoApplicable(), and Z.

Referenced by G4VCrossSectionDataSet::GetCrossSection().

◆ CrossSectionDescription()

void G4IonsShenCrossSection::CrossSectionDescription ( std::ostream & outFile ) const

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 53 of file G4IonsShenCrossSection.cc.

{
  outFile << "G4IonsShenCrossSection calculates the total reaction cross\n"
          << "section for nucleus-nucleus scattering using the Shen\n"
          << "parameterization.  It is valid for projectiles and targets of\n"
          << "all Z, and projectile energies up to 1 TeV/n.  Above 10 GeV/n"
          << "the cross section is constant.  Below 10 MeV/n zero cross\n"
          << "is returned.\n";
}

◆ DumpPhysicsTable()

void G4VCrossSectionDataSet::DumpPhysicsTable ( const G4ParticleDefinition & )

virtualinherited

Reimplemented in G4CrossSectionElastic, G4CrossSectionInelastic, G4LENDCrossSection, G4ParticleHPCaptureData, G4ParticleHPElasticData, G4ParticleHPFissionData, G4ParticleHPInelasticData, G4ParticleHPJENDLHEData, G4ParticleHPThermalScatteringData, and G4UPiNuclearCrossSection.

Definition at line 174 of file G4VCrossSectionDataSet.cc.

175{}

◆ ForAllAtomsAndEnergies()

bool G4VCrossSectionDataSet::ForAllAtomsAndEnergies ( ) const

inlineinherited

Definition at line 230 of file G4VCrossSectionDataSet.hh.

{
  return isForAllAtomsAndEnergies;
}

References G4VCrossSectionDataSet::isForAllAtomsAndEnergies.

Referenced by G4CrossSectionDataStore::AddDataSet().

◆ GetCrossSection()

G4double G4VCrossSectionDataSet::GetCrossSection	(	const G4DynamicParticle *	dp,
		const G4Element *	elm,
		const G4Material *	mat = `nullptr`
	)

inlineinherited

Definition at line 187 of file G4VCrossSectionDataSet.hh.

{
  return ComputeCrossSection(dp, elm, mat);
}

References G4VCrossSectionDataSet::ComputeCrossSection().

◆ GetElementCrossSection()

G4double G4IonsShenCrossSection::GetElementCrossSection	(	const G4DynamicParticle *	aParticle,
		G4int	Z,
		const G4Material *
	)

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 70 of file G4IonsShenCrossSection.cc.

{
  G4int A = G4lrint(G4NistManager::Instance()->GetAtomicMassAmu(Z));
  return GetIsoCrossSection(aParticle, Z, A);
}

References A, G4lrint(), GetIsoCrossSection(), G4NistManager::Instance(), and Z.

◆ GetIsoCrossSection()

G4double G4IonsShenCrossSection::GetIsoCrossSection	(	const G4DynamicParticle *	aParticle,
		G4int	Z,
		G4int	A,
		const G4Isotope *	iso = `0`,
		const G4Element *	elm = `0`,
		const G4Material *	mat = `0`
	)

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 78 of file G4IonsShenCrossSection.cc.

{
   G4double xsection = 0.0;
 
   G4int Ap = aParticle->GetDefinition()->GetBaryonNumber();
   G4int Zp = G4lrint(aParticle->GetDefinition()->GetPDGCharge()/eplus); 
   G4double ke_per_N = aParticle->GetKineticEnergy() / Ap; 
   if ( ke_per_N > upperLimit ) { ke_per_N = upperLimit; }
 
   // Apply energy check, if less than lower limit then 0 value is returned
   //if (  ke_per_N < lowerLimit ) { return xsection; }
 
   G4Pow* g4pow = G4Pow::GetInstance();
  
   G4double cubicrAt = g4pow->Z13(At);
   G4double cubicrAp = g4pow->Z13(Ap);
 
   G4double Rt = 1.12 * cubicrAt - 0.94 * ( 1.0 / cubicrAt );
   G4double Rp = 1.12 * cubicrAp - 0.94 * ( 1.0 / cubicrAp );
 
   G4double r = Rt + Rp + 3.2;   // in fm
   G4double b = 1.0;   // in MeV/fm
   G4double targ_mass = G4NucleiProperties::GetNuclearMass(At, Zt);
 
   G4double proj_mass = aParticle->GetMass();
   G4double proj_momentum = aParticle->GetMomentum().mag();
 
   G4double Ecm = calEcmValue (proj_mass, targ_mass, proj_momentum); 
 
   G4double B = 1.44 * Zt * Zp / r - b * Rt * Rp / ( Rt + Rp ); 
   if(Ecm <= B) { return xsection; }
 
   G4double c = calCeValue ( ke_per_N / MeV  );  
 
   G4double R1 = r0 * (cubicrAt + cubicrAp + 1.85*cubicrAt*cubicrAp/(cubicrAt + cubicrAp) - c); 
 
   G4double R2 = 1.0 * ( At - 2 * Zt ) * Zp / ( Ap * At );
 
 
   G4double R3 = (0.176 / g4pow->A13(Ecm)) * cubicrAt * cubicrAp /(cubicrAt + cubicrAp);
 
   G4double R = R1 + R2 + R3;
 
   xsection = 10 * pi * R * R * ( 1 - B / Ecm );   
   xsection = xsection * millibarn;   // mulitply xsection by millibarn
 
   return xsection; 
}

References G4Pow::A13(), B(), calCeValue(), calEcmValue(), eplus, G4lrint(), G4ParticleDefinition::GetBaryonNumber(), G4DynamicParticle::GetDefinition(), G4Pow::GetInstance(), G4DynamicParticle::GetKineticEnergy(), G4DynamicParticle::GetMass(), G4DynamicParticle::GetMomentum(), G4NucleiProperties::GetNuclearMass(), G4ParticleDefinition::GetPDGCharge(), CLHEP::Hep3Vector::mag(), MeV, millibarn, pi, r0, upperLimit, and G4Pow::Z13().

Referenced by GetElementCrossSection().

◆ GetMaxKinEnergy()

G4double G4VCrossSectionDataSet::GetMaxKinEnergy ( ) const

inlineinherited

Definition at line 220 of file G4VCrossSectionDataSet.hh.

{
  return maxKinEnergy;
}

References G4VCrossSectionDataSet::maxKinEnergy.

Referenced by G4CrossSectionElastic::IsElementApplicable(), G4CrossSectionInelastic::IsElementApplicable(), G4LENDCrossSection::IsIsoApplicable(), G4ParticleHPCaptureData::IsIsoApplicable(), G4ParticleHPElasticData::IsIsoApplicable(), G4ParticleHPFissionData::IsIsoApplicable(), and G4ParticleHPInelasticData::IsIsoApplicable().

◆ GetMinKinEnergy()

G4double G4VCrossSectionDataSet::GetMinKinEnergy ( ) const

inlineinherited

Definition at line 210 of file G4VCrossSectionDataSet.hh.

{
  return minKinEnergy;
}

References G4VCrossSectionDataSet::minKinEnergy.

Referenced by G4CrossSectionElastic::IsElementApplicable(), G4CrossSectionInelastic::IsElementApplicable(), G4LENDCrossSection::IsIsoApplicable(), G4ParticleHPCaptureData::IsIsoApplicable(), G4ParticleHPElasticData::IsIsoApplicable(), G4ParticleHPFissionData::IsIsoApplicable(), and G4ParticleHPInelasticData::IsIsoApplicable().

◆ GetName()

const G4String & G4VCrossSectionDataSet::GetName ( ) const

inlineinherited

Definition at line 225 of file G4VCrossSectionDataSet.hh.

{
  return name;
}

References G4VCrossSectionDataSet::name.

Referenced by G4LENDCrossSection::DumpLENDTargetInfo(), G4LENDCrossSection::DumpPhysicsTable(), G4LENDCrossSection::GetIsoCrossSection(), and G4CrossSectionDataStore::PrintCrossSectionHtml().

◆ GetVerboseLevel()

G4int G4VCrossSectionDataSet::GetVerboseLevel ( ) const

inlinevirtualinherited

Reimplemented in G4ParticleHPCaptureData, G4ParticleHPElasticData, G4ParticleHPFissionData, and G4ParticleHPInelasticData.

Definition at line 195 of file G4VCrossSectionDataSet.hh.

{
  return verboseLevel;
}

References G4VCrossSectionDataSet::verboseLevel.

◆ IsElementApplicable()

G4bool G4IonsShenCrossSection::IsElementApplicable	(	const G4DynamicParticle *	aDP,
		G4int	Z,
		const G4Material *
	)

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 63 of file G4IonsShenCrossSection.cc.

{
  return (1 <= aDP->GetDefinition()->GetBaryonNumber());
}

References G4ParticleDefinition::GetBaryonNumber(), and G4DynamicParticle::GetDefinition().

◆ IsIsoApplicable()

G4bool G4VCrossSectionDataSet::IsIsoApplicable	(	const G4DynamicParticle *	,
		G4int	Z,
		G4int	A,
		const G4Element *	elm = `nullptr`,
		const G4Material *	mat = `nullptr`
	)

virtualinherited

Reimplemented in G4MuNeutrinoNucleusTotXsc, G4NeutronCaptureXS, G4NeutronElasticXS, G4NeutronInelasticXS, G4GammaNuclearXS, G4BGGNucleonElasticXS, G4BGGPionElasticXS, G4BGGPionInelasticXS, G4BGGNucleonInelasticXS, G4ParticleHPBGGNucleonInelasticXS, G4ParticleInelasticXS, G4LENDCrossSection, G4ParticleHPCaptureData, G4ParticleHPElasticData, G4ParticleHPFissionData, G4ParticleHPInelasticData, G4ParticleHPThermalScatteringData, G4ElNeutrinoNucleusTotXsc, G4PhotoNuclearCrossSection, G4ChipsAntiBaryonElasticXS, G4ChipsAntiBaryonInelasticXS, G4ChipsHyperonElasticXS, G4ChipsHyperonInelasticXS, G4ChipsKaonMinusElasticXS, G4ChipsKaonMinusInelasticXS, G4ChipsKaonPlusElasticXS, G4ChipsKaonPlusInelasticXS, G4ChipsKaonZeroElasticXS, G4ChipsKaonZeroInelasticXS, G4ChipsNeutronElasticXS, G4ChipsNeutronInelasticXS, G4ChipsPionMinusElasticXS, G4ChipsPionMinusInelasticXS, G4ChipsPionPlusElasticXS, G4ChipsPionPlusInelasticXS, G4ChipsProtonElasticXS, and G4ChipsProtonInelasticXS.

Definition at line 72 of file G4VCrossSectionDataSet.cc.

{
  return false;
}

Referenced by G4VCrossSectionDataSet::ComputeCrossSection().

◆ SelectIsotope()

const G4Isotope * G4VCrossSectionDataSet::SelectIsotope	(	const G4Element *	anElement,
		G4double	kinEnergy,
		G4double	logE
	)

virtualinherited

Reimplemented in G4GammaNuclearXS, G4NeutronCaptureXS, G4NeutronElasticXS, G4NeutronInelasticXS, and G4ParticleInelasticXS.

Definition at line 149 of file G4VCrossSectionDataSet.cc.

{
  size_t nIso = anElement->GetNumberOfIsotopes();
  const G4Isotope* iso = anElement->GetIsotope(0);
 
  // more than 1 isotope
  if(1 < nIso) {
    const G4double* abundVector = anElement->GetRelativeAbundanceVector();
    G4double sum = 0.0;
    G4double q = G4UniformRand();
    for (size_t j=0; j<nIso; ++j) {
      sum += abundVector[j];
      if(q <= sum) {
    iso = anElement->GetIsotope(j);
    break;
      }
    }
  }
  return iso;
}