element
Information about Lawrencium-258:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:258.101883±0.000110amu #
    Excess Mass (Δ):94.903000±0.102000MeV #
    Binding Energy:1906.916000±0.102000MeV #
    β- Decay Energy:-1.570000±0.225000MeV #
"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: 3.9 s ( 3.9 sec., λ = 0.17773 s-1)
  • Mode of decay:
    α
    to
    254
    101
    Md
      (Q = 8.900 MeV)   Branch ratio: >95.00 %
  • Mode of decay: E.C. to
    258
    102
    No
      (Q = 3.380 MeV)   Branch ratio: <5.00 %
  • Mode of decay: SF   (Q = 3.380 MeV)   Branch ratio: <5.00 %
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)