element
Information about Mendelevium-253:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:253.087280±0.000220amu #
    Excess Mass (Δ):81.301000±0.205000MeV #
    Binding Energy:1881.726000±0.205000MeV #
    β- Decay Energy:-3.138000±0.320000MeV #
"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: 6 min ( 360 sec., λ = 0.00192541 s-1)
  • Mode of decay: E.C. to
    253
    100
    Fm
      (Q = 0 1.960 MeV)   Branch ratio: <=100.00 %

  • Possible parent nuclides:
    α from
    257
    103
    Lr
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)