element
Information about Nobelium-258:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:258.098200±0.000215amu #
    Excess Mass (Δ):91.473000±0.200000MeV #
    Binding Energy:1911.128000±0.200000MeV #
    β- Decay Energy:-3.430000±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: 0+
  • Half life: 1.2 ms ( 0.0012 sec., λ = 577.623 s-1)
  • Mode of decay: SF
  • Mode of decay: α to
    254
    100
    Fm
      (Q = 1 8.200 MeV)   Branch ratio: 0.001 %
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)