element
Information about Neptunium-226:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:226.035129±0.000095amu #
    Excess Mass (Δ):32.723000±0.088000MeV #
    Binding Energy:1718.638000±0.088000MeV #
"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.
Radioactive Decay Data:

  • Half life: 35 ms ( 0.035 sec., λ = 19.8042 s-1)
  • Mode of decay:
    α
    to
    222
    91
    Pa
      (Q = 8.200 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)