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;
  }
 
  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;
  }
 
  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;
  }
 
  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);
  }
 
  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);
}