element
Information about Fermium-243:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:243.074510±0.000254amu #
    Excess Mass (Δ):69.406000±0.237000MeV #
    Binding Energy:1813.691000±0.237000MeV #
"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:

  • Half life: 0.18 s ( 0.18 sec., λ = 3.85082 s-1)
  • Mode of decay:
    α
    to
    239
    98
    Cf
      (Q = 0 8.690 MeV)   Branch ratio: <=100.00 %
  • Mode of decay: SF   (Q = 8.690 MeV)   Branch ratio: <=0.36 %
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)