element
Information about Nobelium-259:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:259.101024±0.000108amu #
    Excess Mass (Δ):94.103000±0.100000MeV #
    Binding Energy:1916.569000±0.100000MeV #
    β- Decay Energy:-1.832000±0.123000MeV #
"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: (9/2+)
  • Half life: 58 min ( 3480 sec., λ = 0.00019918 s-1)
  • Mode of decay:
    α
    to
    255
    100
    Fm
      (Q = 7.910 MeV)   Branch ratio: 75.00 %
  • Mode of decay:
    E.C.
    to
    259
    101
    Md
      (Q = 0.500 MeV)   Branch ratio: 25.00 %
  • Mode of decay: SF   Branch ratio: <10.00 %
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)