G4NucleiPropertiesTheoreticalTableA.cc

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// G4NucleiPropertiesTheoreticalTable
//
// Author: Tatsumi Koi, SLAC
// --------------------------------------------------------------------
 
#include "G4NucleiPropertiesTheoreticalTable.hh"
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
 
// Determine the table index for a Nuclide with Z protons and A nucleons
//
G4int G4NucleiPropertiesTheoreticalTable::GetIndex(G4int Z, G4int A) 
{
 
  if(A>339) {
    G4Exception("G4NucleiPropertiesTheoreticalTable::GetIndex",
                "PART202",
                EventMustBeAborted,"Nucleon number larger than 339");
  } else if(A<16) {
    G4Exception("G4NucleiPropertiesTheoreticalTable::GetIndex",
                "PART202",
                EventMustBeAborted," Nucleon number smaller than 16"); 
  } else if(Z>136) {
    G4Exception("G4NucleiPropertiesTheoreticalTable::GetIndex",
                "PART202",
                EventMustBeAborted, "Proton number larger than 136");
  } else if(Z<8) {
    G4Exception("G4NucleiPropertiesTheoreticalTable::GetIndex",
                "PART202",
                EventMustBeAborted, "Proton number smaller than 8");
  } else if(Z>A) {
    G4Exception("G4NucleiPropertiesTheoreticalTable::GetIndex",
                "PART202",
                EventMustBeAborted, "Nucleon number smaller than Z"); 
  }
  
  for (G4int i = shortTable[Z-8]; i < shortTable[Z-8+1]; ++i )
  {
    if (indexArray[1][i] == A ) return i;
  }
  
  return -1;
}
 
G4double G4NucleiPropertiesTheoreticalTable::GetMassExcess(G4int Z, G4int A) 
{
  G4int i=GetIndex(Z, A);
  if (i >= 0)
  {
    return AtomicMassExcess[i]*MeV;
  }
  else
  {
    return 0.0;
  }
}
 
G4double G4NucleiPropertiesTheoreticalTable::GetBindingEnergy(G4int Z, G4int A)
{
  G4int i=GetIndex(Z, A);
  if (i >= 0)
  {
    const G4double Mh = 7.289034*MeV;  // hydrogen atom mass excess
    const G4double Mn = 8.071431*MeV;  // neutron mass excess
    return G4double(Z)*Mh + G4double(A-Z)*Mn - AtomicMassExcess[i]*MeV;
  }
  else
  { 
    return 0.0;
  }
}
 
G4double  G4NucleiPropertiesTheoreticalTable::GetAtomicMass(G4int Z, G4int A)
{
  G4int i=GetIndex(Z, A);
  if (i >= 0)
  {
    return AtomicMassExcess[i]*MeV + A*amu_c2;
  }
  else
  {
    return 0.0;
  }
}
 
G4double  G4NucleiPropertiesTheoreticalTable::GetNuclearMass(G4int Z, G4int A)
{
  G4int i=GetIndex(Z, A);
  if (i >= 0)
  {
    return GetAtomicMass(Z,A)
         - G4double(Z)*electron_mass_c2 + ElectronicBindingEnergy(Z);
  }
  else
  {
    return 0.0;
  }
}
 
G4double G4NucleiPropertiesTheoreticalTable::ElectronicBindingEnergy(G4int Z)
{
  const G4double ael = 1.433e-5*MeV; // electronic-binding constant
  return ael*std::pow(G4double(Z),2.39);
}
 
G4bool G4NucleiPropertiesTheoreticalTable::IsInTable(G4int Z, G4int A)
{
  return (Z <= A && A >= 16 && A <= 339 && Z <= 136
       && Z >= 8 && GetIndex(Z, A) >= 0);
}