93-Np-228
 basic

 element
93-neptunium-228

  • Atomic Mass: 228.0361800 +- 0.0002100 amu #
  • Excess Mass: 33701.000 +- 196.000 keV #
  • Binding Energy: 1733801.000 +- 196.000 keV #
  • Beta Decay Energy: B- -2373.000 +- 198.000 keV #
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
  • Half life: 61.4 s
  • Mode of decay: EC to U-228
    • Branch ratio: 60.00 %
    • Decay energy: 4.480 MeV
  • Mode of decay: Alpha to Pa-224
    • Branch ratio: 40.00 %
    • Decay energy: 7.420 MeV
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)