G4ParticleInelasticXS Class Reference

#include <G4ParticleInelasticXS.hh>

Inheritance diagram for G4ParticleInelasticXS:

Public Member Functions
	G4ParticleInelasticXS (const G4ParticleDefinition *)
	~G4ParticleInelasticXS () final
G4bool	IsElementApplicable (const G4DynamicParticle *, G4int Z, const G4Material *mat=nullptr) final
G4bool	IsIsoApplicable (const G4DynamicParticle *, G4int Z, G4int A, const G4Element *elm=nullptr, const G4Material *mat=nullptr) final
G4double	GetElementCrossSection (const G4DynamicParticle *, G4int Z, const G4Material *mat=nullptr) final
G4double	GetIsoCrossSection (const G4DynamicParticle *, G4int Z, G4int A, const G4Isotope *iso=nullptr, const G4Element *elm=nullptr, const G4Material *mat=nullptr) final
const G4Isotope *	SelectIsotope (const G4Element *, G4double kinEnergy, G4double logE) final
void	BuildPhysicsTable (const G4ParticleDefinition &) final
void	CrossSectionDescription (std::ostream &) const final
G4double	IsoCrossSection (G4double ekin, G4double logE, G4int Z, G4int A)
G4ParticleInelasticXS &	operator= (const G4ParticleInelasticXS &right)=delete
	G4ParticleInelasticXS (const G4ParticleInelasticXS &)=delete
Public Member Functions inherited from G4VCrossSectionDataSet
	G4VCrossSectionDataSet (const G4String &nam="")
virtual	~G4VCrossSectionDataSet ()
virtual G4bool	IsElementApplicable (const G4DynamicParticle *, G4int Z, const G4Material *mat=nullptr)
virtual G4bool	IsIsoApplicable (const G4DynamicParticle *, G4int Z, G4int A, const G4Element *elm=nullptr, const G4Material *mat=nullptr)
G4double	GetCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *mat=nullptr)
G4double	ComputeCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *mat=nullptr)
virtual G4double	GetElementCrossSection (const G4DynamicParticle *, G4int Z, const G4Material *mat=nullptr)
virtual G4double	GetIsoCrossSection (const G4DynamicParticle *, G4int Z, G4int A, const G4Isotope *iso=nullptr, const G4Element *elm=nullptr, const G4Material *mat=nullptr)
virtual const G4Isotope *	SelectIsotope (const G4Element *, G4double kinEnergy, G4double logE)
virtual void	BuildPhysicsTable (const G4ParticleDefinition &)
virtual void	DumpPhysicsTable (const G4ParticleDefinition &)
virtual void	CrossSectionDescription (std::ostream &) const
virtual G4int	GetVerboseLevel () const
virtual void	SetVerboseLevel (G4int value)
G4double	GetMinKinEnergy () const
void	SetMinKinEnergy (G4double value)
G4double	GetMaxKinEnergy () const
void	SetMaxKinEnergy (G4double value)
bool	ForAllAtomsAndEnergies () const
void	SetForAllAtomsAndEnergies (G4bool val)
const G4String &	GetName () const

Additional Inherited Members
Protected Member Functions inherited from G4VCrossSectionDataSet
void	SetName (const G4String &)
Protected Attributes inherited from G4VCrossSectionDataSet
G4int	verboseLevel

Detailed Description

Definition at line 59 of file G4ParticleInelasticXS.hh.

Constructor & Destructor Documentation

G4ParticleInelasticXS() [1/2]

G4ParticleInelasticXS::G4ParticleInelasticXS ( const G4ParticleDefinition *  part )

explicit

Definition at line 64 of file G4ParticleInelasticXS.cc.

  : G4VCrossSectionDataSet("G4ParticleInelasticXS"),
    highEnergyXsection(nullptr),
    particle(part),
    index(0),
    isMaster(false)
{
  if(!part) {
    G4Exception("G4ParticleInelasticXS::G4ParticleInelasticXS(..)","had015",
        FatalException, "NO particle definition in constructor");
  } else {
    verboseLevel = 0;
    const G4String& particleName = particle->GetParticleName();
    if(verboseLevel > 1) {
      G4cout << "G4ParticleInelasticXS::G4ParticleInelasticXS for " 
         << particleName << " on atoms with Z < " << MAXZINELP << G4endl;
    }
    if(particleName == "proton") {
      highEnergyXsection = G4CrossSectionDataSetRegistry::Instance()->GetComponentCrossSection("Glauber-Gribov");
      if(highEnergyXsection == nullptr) {
    highEnergyXsection = new G4ComponentGGHadronNucleusXsc();
      }
    } else {
      highEnergyXsection = G4CrossSectionDataSetRegistry::Instance()->GetComponentCrossSection("Glauber-Gribov Nucl-nucl");
      if(highEnergyXsection == nullptr) {
    highEnergyXsection = new G4ComponentGGNuclNuclXsc();
      }
      if(particleName == "deuteron") index = 1; 
      else if(particleName == "triton") index = 2; 
      else if(particleName == "He3") index = 3; 
      else if(particleName == "alpha") index = 4;
      else {
        G4ExceptionDescription ed;
        ed << particleName << " is a wrong particle type";
    G4Exception("G4ParticleInelasticXS::BuildPhysicsTable(..)","had012",
            FatalException, ed, "");
      } 
    }
  }
  SetForAllAtomsAndEnergies(true);
  temp.resize(13,0.0);
}

~G4ParticleInelasticXS()

G4ParticleInelasticXS::~G4ParticleInelasticXS ( )

final

Definition at line 107 of file G4ParticleInelasticXS.cc.

{
  if(isMaster) { 
    delete data[index]; 
    data[index] = nullptr;
  }
}

G4ParticleInelasticXS() [2/2]

G4ParticleInelasticXS::G4ParticleInelasticXS ( const G4ParticleInelasticXS &  )

delete

Member Function Documentation

BuildPhysicsTable()

void G4ParticleInelasticXS::BuildPhysicsTable ( const G4ParticleDefinition &  p )

finalvirtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 285 of file G4ParticleInelasticXS.cc.

{
  if(verboseLevel > 0){
    G4cout << "G4ParticleInelasticXS::BuildPhysicsTable for " 
       << p.GetParticleName() << G4endl;
  }
  if(&p != particle) { 
    G4ExceptionDescription ed;
    ed << p.GetParticleName() << " is a wrong particle type -"
       << particle->GetParticleName() << " is expected";
    G4Exception("G4ParticleInelasticXS::BuildPhysicsTable(..)","had012",
        FatalException, ed, "");
    return; 
  }
 
  if(data[index] == nullptr) { 
#ifdef G4MULTITHREADED
    G4MUTEXLOCK(&particleInelasticXSMutex);
    if(data[index] == nullptr) { 
#endif
      isMaster = true;
      data[index] = new G4ElementData(); 
      data[index]->SetName(particle->GetParticleName() + "Inelastic");
      FindDirectoryPath();
#ifdef G4MULTITHREADED
    }
    G4MUTEXUNLOCK(&particleInelasticXSMutex);
#endif
  }
 
  // it is possible re-initialisation for the new run
  if(isMaster) {
 
    // Access to elements
    auto theCoupleTable = G4ProductionCutsTable::GetProductionCutsTable();
    size_t numOfCouples = theCoupleTable->GetTableSize();
    for(size_t j=0; j<numOfCouples; ++j) {
      auto mat = theCoupleTable->GetMaterialCutsCouple(j)->GetMaterial();
      auto elmVec = mat->GetElementVector();
      size_t numOfElem = mat->GetNumberOfElements();
      for (size_t ie = 0; ie < numOfElem; ++ie) {
    G4int Z = std::max(1,std::min(((*elmVec)[ie])->GetZasInt(), MAXZINELP-1));
    if(nullptr == data[index]->GetElementData(Z)) { Initialise(Z); }
      }
    }
  }
}

Referenced by G4IonProtonCrossSection::BuildPhysicsTable().

CrossSectionDescription()

void G4ParticleInelasticXS::CrossSectionDescription ( std::ostream &  outFile ) const

finalvirtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 115 of file G4ParticleInelasticXS.cc.

{
  outFile << "G4ParticleInelasticXS calculates n, p, d, t, he3, he4 inelastic\n"
          << "cross section on nuclei using data from the high precision\n"
          << "neutron database.  These data are simplified and smoothed over\n"
          << "the resonance region in order to reduce CPU time.\n"
          << "For high energy Glauber-Gribov cross section model is used\n";
}

GetElementCrossSection()

G4double G4ParticleInelasticXS::GetElementCrossSection ( const G4DynamicParticle *  aParticle, G4int  Z, const G4Material *  mat = nullptr  )

finalvirtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 139 of file G4ParticleInelasticXS.cc.

{
  G4double xs = 0.0;
  G4double ekin = aParticle->GetKineticEnergy();
 
  G4int Z = (ZZ >= MAXZINELP) ? MAXZINELP - 1 : ZZ; 
 
  auto pv = GetPhysicsVector(Z);
  if(nullptr == pv) { return xs; }
  //  G4cout  << "G4ParticleInelasticXS::GetCrossSection e= " << ekin 
  //  << " Z= " << Z << G4endl;
 
  if(ekin <= pv->GetMaxEnergy()) { 
    xs = pv->LogVectorValue(ekin, aParticle->GetLogKineticEnergy()); 
  } else {
    xs = coeff[Z][index]*highEnergyXsection->GetInelasticElementCrossSection(particle,
                    ekin, Z, aeff[Z]);
  }
 
#ifdef G4VERBOSE
  if(verboseLevel > 1) {
    G4cout  << "ElmXS: Z= " << Z << " Ekin(MeV)= " << ekin/CLHEP::MeV 
        << " xs(bn)= " << xs/CLHEP::barn << " element data for "
        << particle->GetParticleName()
            << " idx= " << index << G4endl;
  }
#endif
  return xs;
}

Referenced by G4IonProtonCrossSection::GetAlphaCrossSection(), G4IonProtonCrossSection::GetDeuteronCrossSection(), G4IonProtonCrossSection::GetHe3CrossSection(), G4IonProtonCrossSection::GetProtonCrossSection(), and G4IonProtonCrossSection::GetTritonCrossSection().

GetIsoCrossSection()

G4double G4ParticleInelasticXS::GetIsoCrossSection ( const G4DynamicParticle *  aParticle, G4int  Z, G4int  A, const G4Isotope *  iso = nullptr, const G4Element *  elm = nullptr, const G4Material *  mat = nullptr  )

finalvirtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 171 of file G4ParticleInelasticXS.cc.

{
  return IsoCrossSection(aParticle->GetKineticEnergy(), 
                         aParticle->GetLogKineticEnergy(),Z, A);
}

IsElementApplicable()

G4bool G4ParticleInelasticXS::IsElementApplicable ( const G4DynamicParticle *  , G4int  Z, const G4Material *  mat = nullptr  )

finalvirtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 125 of file G4ParticleInelasticXS.cc.

{
  return true;
}

IsIsoApplicable()

G4bool G4ParticleInelasticXS::IsIsoApplicable ( const G4DynamicParticle *  , G4int  Z, G4int  A, const G4Element *  elm = nullptr, const G4Material *  mat = nullptr  )

finalvirtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 132 of file G4ParticleInelasticXS.cc.

{
  return true;
}

IsoCrossSection()

G4double G4ParticleInelasticXS::IsoCrossSection	(	G4double	ekin,
		G4double	logE,
		G4int	Z,
		G4int	A
	)

Definition at line 181 of file G4ParticleInelasticXS.cc.

{
  G4double xs = 0.0;
  G4int Z = (ZZ >= MAXZINELP) ? MAXZINELP - 1 : ZZ; 
  /*  
  G4cout << "G4ParticleInelasticXS: IsoCrossSection  Z= " 
         << Z << "  A= " << A 
         << "  Amin= " << amin[Z] << " Amax= " << amax[Z]
         << " E(MeV)= " << ekin << G4endl;
  */
  auto pv = GetPhysicsVector(Z);
  if(pv == nullptr) { return xs; }
 
  // compute isotope cross section if applicable 
  const G4double emax = pv->GetMaxEnergy(); 
  if(ekin <= emax && amin[Z]>0 && A >= amin[Z] && A <= amax[Z]) {
    auto pviso = data[index]->GetComponentDataByIndex(Z, A - amin[Z]);
    if(pviso != nullptr) { 
      xs = pviso->LogVectorValue(ekin, logE);
#ifdef G4VERBOSE
      if(verboseLevel > 1) {
    G4cout << "G4ParticleInelasticXS::IsoXS: for " 
               << particle->GetParticleName() << " Ekin(MeV)= " 
               << ekin/CLHEP::MeV << "  xs(b)= " << xs/CLHEP::barn 
           << "  Z= " << Z << "  A= " << A 
               << " idx= " << index << G4endl;
      }
#endif
      return xs;
    }
  }
  // use element x-section
  if(ekin <= emax) { 
    xs = pv->LogVectorValue(ekin, logE); 
  } else {
    xs = coeff[Z][index] *
      highEnergyXsection->GetInelasticElementCrossSection(particle,
              ekin, Z, aeff[Z]);
  }
  xs *= A/aeff[Z];
#ifdef G4VERBOSE
  if(verboseLevel > 1) {
    G4cout  << "IsoXS for " << particle->GetParticleName() 
        << " Target Z= " << Z << " A= " << A 
        << " Ekin(MeV)= " << ekin/CLHEP::MeV 
        << " xs(bn)= " << xs/CLHEP::barn
            << " idx= " << index << G4endl;
  }
#endif
  return xs;
}

Referenced by GetIsoCrossSection(), G4IonProtonCrossSection::GetIsoCrossSection(), and SelectIsotope().

operator=()

G4ParticleInelasticXS & G4ParticleInelasticXS::operator= ( const G4ParticleInelasticXS &  right )

delete

SelectIsotope()

const G4Isotope * G4ParticleInelasticXS::SelectIsotope ( const G4Element *  anElement, G4double  kinEnergy, G4double  logE  )

finalvirtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 234 of file G4ParticleInelasticXS.cc.

{
  size_t nIso = anElement->GetNumberOfIsotopes();
  const G4Isotope* iso = anElement->GetIsotope(0);
 
  //G4cout << "SelectIsotope NIso= " << nIso << G4endl;
  if(1 == nIso) { return iso; }
 
  // more than 1 isotope
  G4int Z = anElement->GetZasInt();
  //G4cout << "SelectIsotope Z= " << Z << G4endl;
 
  const G4double* abundVector = anElement->GetRelativeAbundanceVector();
  G4double q = G4UniformRand();
  G4double sum = 0.0;
  size_t j;
 
  // isotope wise cross section not available
  if(0 == amin[Z] || Z >= MAXZINELP) {
    for (j=0; j<nIso; ++j) {
      sum += abundVector[j];
      if(q <= sum) {
    iso = anElement->GetIsotope(j);
    break;
      }
    }
    return iso;
  }
 
  size_t nn = temp.size();
  if(nn < nIso) { temp.resize(nIso, 0.); }
 
  for (j=0; j<nIso; ++j) {
    //G4cout << j << "-th isotope " << (*isoVector)[j]->GetN() 
    //       <<  " abund= " << abundVector[j] << G4endl;
    sum += abundVector[j]*IsoCrossSection(kinEnergy, logE, Z, 
                      anElement->GetIsotope(j)->GetN());
    temp[j] = sum;
  }
  sum *= q;
  for (j=0; j<nIso; ++j) {
    if(temp[j] >= sum) {
      iso = anElement->GetIsotope(j);
      break;
    }
  }
  return iso;
}

---

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

• G4ParticleInelasticXS.hh
• G4ParticleInelasticXS.cc