G4IonsKoxCrossSection Class Reference

#include <G4IonsKoxCrossSection.hh>

Inheritance diagram for G4IonsKoxCrossSection:

Public Member Functions
	G4IonsKoxCrossSection ()
	~G4IonsKoxCrossSection ()
virtual G4bool	IsElementApplicable (const G4DynamicParticle *aDP, G4int Z, const G4Material *)
virtual G4double	GetElementCrossSection (const G4DynamicParticle *, G4int Z, const G4Material *)
virtual void	CrossSectionDescription (std::ostream &) const
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 46 of file G4IonsKoxCrossSection.hh.

Constructor & Destructor Documentation

G4IonsKoxCrossSection()

G4IonsKoxCrossSection::G4IonsKoxCrossSection

(

)

Definition at line 41 of file G4IonsKoxCrossSection.cc.

  : G4VCrossSectionDataSet("IonsKox"),
// lowerLimit ( 10*MeV ), 
    r0 ( 1.1*fermi ), rc ( 1.3*fermi )
{}

~G4IonsKoxCrossSection()

G4IonsKoxCrossSection::~G4IonsKoxCrossSection

(

)

Definition at line 47 of file G4IonsKoxCrossSection.cc.

{}

Member Function Documentation

CrossSectionDescription()

void G4IonsKoxCrossSection::CrossSectionDescription ( std::ostream &  outFile ) const

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 51 of file G4IonsKoxCrossSection.cc.

{
  outFile << "G4IonsKoxCrossSection calculates the total reaction cross\n"
          << "section for nucleus-nucleus scattering using the Kox\n"
          << "parameterization.  It is valid for projectiles and targets\n"
          << "of all Z, at projectile energies up to 10 GeV/n.  If the\n"
          << "projectile energy is less than 10 MeV/n, a zero cross section\n"
          << "is returned.\n";
}

GetElementCrossSection()

G4double G4IonsKoxCrossSection::GetElementCrossSection ( const G4DynamicParticle *  aParticle, G4int  Z, const G4Material *    )

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 68 of file G4IonsKoxCrossSection.cc.

{
   G4double xsection = 0.0;
 
   G4int Ap = aParticle->GetDefinition()->GetBaryonNumber();
   G4int Zp = G4int(aParticle->GetDefinition()->GetPDGCharge() / eplus + 0.5); 
   G4double ke_per_N = aParticle->GetKineticEnergy() / Ap;
 
   // Apply energy check, if less than lower limit then 0 value is returned
   // if (  ke_per_N < lowerLimit ) return xsection;
 
   G4int At = G4lrint(G4NistManager::Instance()->GetAtomicMassAmu(ZZ));
   G4int Zt = ZZ;  
 
   G4double one_third = 1.0 / 3.0;
 
   G4double cubicrAt = G4Pow::GetInstance()->powA ( G4double(At) , G4double(one_third) );  
   G4double cubicrAp = G4Pow::GetInstance()->powA ( G4double(Ap) , G4double(one_third) );  
 
   // rc divide fermi
   G4double Bc = Zt * Zp / ( (rc/fermi) * (cubicrAp+cubicrAt) );
 
   G4double targ_mass = G4NucleiProperties::GetNuclearMass(At, Zt);
   G4double proj_mass = aParticle->GetMass();
   G4double proj_momentum = aParticle->GetMomentum().mag(); 
 
   G4double Ecm = calEcm ( proj_mass , targ_mass , proj_momentum ); 
   if( Ecm <= Bc) return xsection;
 
   G4double Rvol = r0 * (  cubicrAp + cubicrAt );
 
//   G4double ke_per_N = aParticle->GetKineticEnergy() / Ap;
   G4double c = calCeValue ( ke_per_N / MeV  );  
 
   G4double a = 1.85;
   G4double Rsurf = r0 * (a*cubicrAp * cubicrAt/(cubicrAp + cubicrAt) - c); 
   G4double D = 5.0 * ( At - 2 * Zt ) * Zp / ( Ap * At );
   Rsurf = Rsurf + D * fermi;  // multiply D by fermi 
 
   G4double Rint = Rvol + Rsurf;
   xsection = pi * Rint * Rint * ( 1 - Bc / ( Ecm / MeV ) );
  
   return xsection; 
}

IsElementApplicable()

G4bool G4IonsKoxCrossSection::IsElementApplicable ( const G4DynamicParticle *  aDP, G4int  Z, const G4Material *    )

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 61 of file G4IonsKoxCrossSection.cc.

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

---

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

• G4IonsKoxCrossSection.hh
• G4IonsKoxCrossSection.cc