element
Information about Fermium-246:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:246.075282±0.000043amu
    Excess Mass (Δ):70.124380±0.039589MeV
    Binding Energy:1837.185691±0.039591MeV
    β- Decay Energy:-6.195000±0.387000MeV #
"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: 1.1 s ( 1.1 sec., λ = 0.630134 s-1)
  • Mode of decay:
    α
    to
    242
    98
    Cf
      (Q = 8.374 MeV)   Branch ratio: 92.00 %
  • Mode of decay: SF   Branch ratio: 8.00 %
  • Mode of decay: E.C. to
    246
    99
    Es
      (Q = 2.160 MeV)   Branch ratio: <=1.00 %
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)