element
Information about Mendelevium-259:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:259.100503±0.000215amu #
    Excess Mass (Δ):93.617000±0.200000MeV #
    Binding Energy:1917.837000±0.200000MeV #
    β- Decay Energy:-0.486000±0.224000MeV #
"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:

  • Spin: (7/2-)
  • Half life: 1.60 h ( 5760 sec., λ = 0.000120338 s-1)
  • Mode of decay: SF   Branch ratio: ~100.00 %
  • Mode of decay: α to
    255
    99
    Es
      (Q = 7.100 MeV)   Branch ratio: <3.00 %

  • Possible parent nuclides:
    E.C. from
    259
    102
    No
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)