92-U-238
 basic
 n-XS summary
 XS graphs

 element
92-uranium-238

  • Atomic Mass: 238.0507826 +- 0.0000021 amu
  • Excess Mass: 47303.664 +- 1.980 keV
  • Binding Energy: 1801694.651 +- 2.006 keV
  • Beta Decay Energy: B- -147.065 +- 1.145 keV
"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.
  • Atomic Percent Abundance: 99.2745%
  • Spin: 0+
  • Half life: 4.468E+9 years
  • Mode of decay: Alpha to Th-234
    • Decay energy: 4.270 MeV
  • Mode of decay: SF
    • Branch ratio: 0.00005 %

  • Possible parent nuclides:
    Beta from Pa-238
    Alpha from Pu-242
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)
Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev)T1/2Spin    m(nm)    Q(b)    Ref. Std.MethodReference
gsband g(18-24)>g(10-16) TFPRL 48 383 (82)
g(av)=0.37(2)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.