5-B-8
 basic

 element
5-boron-8

  • Atomic Mass: 8.0246067 +- 0.0000012 amu
  • Excess Mass: 22921.002 +- 1.107 keV
  • Binding Energy: 37737.813 +- 1.107 keV
  • Beta Decay Energy: B- -12173.054 +- 23.094 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.
  • Spin: 2+
  • Half life: 770 ms
  • Mode of decay: EC + Alpha to He-4
    • Decay energy: 18.071 MeV
  • Mode of decay: Electron capture to Be-8
    • Decay energy: 17.979 MeV
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
00.77 s2+ 1.0355(3) b-NMRJPJS 34 156 (73)
+1.03579(5) d.K [12B]b-NMRARO p71 (96)
0.063(5) [11B]b-NMRARO p48 (89)
0.068(2) [12B]b-NNQRPRL 69 2058 (92)
0.0646(15) [12B]b-NNQRARO p71 (96)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.