element
Information about Barium-128:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:127.908309±0.000012amu
    Excess Mass (Δ):-85.409725±0.011212MeV
    Binding Energy:1074.727253±0.011213MeV
    β- Decay Energy:-6.650000±0.400000MeV
"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: 2.43 days ( 209952 sec., λ = 3.30146×10-06 s-1)
  • Mode of decay:
    E.C.
    to
    128
    55
    Cs
      (Q = 0.523 MeV)

  • Possible parent nuclides:
    E.C. from
    128
    57
    La
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)