element
Information about Nobelium-256:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:256.094276±0.000009amu
    Excess Mass (Δ):87.817402±0.007959MeV
    Binding Energy:1898.641190±0.007966MeV
    β- Decay Energy:-4.180000±0.220000MeV #
"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: 2.91 s ( 2.91 sec., λ = 0.238195 s-1)
  • Mode of decay:
    α
    to
    252
    100
    Fm
      (Q = 8.581 MeV)   Branch ratio: 99.5 %
  • Mode of decay: SF   Branch ratio: 0.5 %
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)