element
Information about Lawrencium-253:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:253.095258±0.000244amu #
    Excess Mass (Δ):88.732000±0.227000MeV #
    Binding Energy:1872.730000±0.227000MeV #
    β- Decay Energy:-5.049000±0.507000MeV #
"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: 1.3 s ( 1.3 sec., λ = 0.53319 s-1)
  • Mode of decay:
    α
    to
    249
    101
    Md
      (Q = 8.990 MeV)   Branch ratio: 90.00 %
  • Mode of decay: SF   Branch ratio: <20.00 %
  • Mode of decay: E.C. to
    253
    102
    No
      (Q = 4.300 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)