element
Information about Uranium-228:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:228.031366±0.000017amu
    Excess Mass (Δ):29.217569±0.016005MeV
    Binding Energy:1739.067519±0.016008MeV
    β- Decay Energy:-4.484000±0.196000MeV #
"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:

  • Spin: 0+
  • Half life: 9.1 min ( 546 sec., λ = 0.0012695 s-1)
  • Mode of decay:
    α
    to
    224
    90
    Th
      (Q = 6.804 MeV)   Branch ratio: >95.00 %
  • Mode of decay: E.C. to
    228
    91
    Pa
      (Q = 0.307 MeV)   Branch ratio: <5.00 %

  • Possible parent nuclides:
    α from
    232
    94
    Pu
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)