element
Information about Mendelevium-260:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:260.103645±0.000340amu #
    Excess Mass (Δ):96.545000±0.316000MeV #
    Binding Energy:1922.981000±0.316000MeV #
    β- Decay Energy:0.940000±0.374000MeV #
"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: 27.8 days ( 2.40192×10+06 sec., λ = 2.8858×10-07 s-1)
  • Mode of decay: SF   Branch ratio: >73.00 %
  • Mode of decay: α to
    256
    99
    Es
      (Q = 7.000 MeV)   Branch ratio: <25.00 %
  • Mode of decay: E.C. to
    260
    100
    Fm
      Branch ratio: <15.00 %
  • Mode of decay: β- to
    260
    102
    No
      (Q = 1.000 MeV)   Branch ratio: <10.00 %
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)