element
Information about Berkelium-240:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:240.059749±0.000161amu #
    Excess Mass (Δ):55.656000±0.150000MeV #
    Binding Energy:1805.574000±0.150000MeV #
    β- Decay Energy:-2.371000±0.251000MeV #
"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: 4.8 min ( 288 sec., λ = 0.00240676 s-1)
  • Mode of decay:
    E.C.
    to
    240
    96
    Cm
      (Q = 3.940 MeV)   Branch ratio: ~100.00 %
  • Mode of decay: ECF   (Q = 3.900 MeV)

  • Possible parent nuclides:
    α from
    244
    99
    Es
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)