element
Information about Barium-122:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:121.920260±0.000320amu #
    Excess Mass (Δ):-74.277000±0.298000MeV #
    Binding Energy:1015.167000±0.298000MeV #
    β- Decay Energy:-9.734000±0.585000MeV #
"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: 1.95 min ( 117 sec., λ = 0.00592433 s-1)
  • Mode of decay:
    E.C.
    to
    122
    55
    Cs
      (Q = 3.800 MeV)

  • Possible parent nuclides:
    E.C. from
    122
    57
    La
    E.C. +
    1
    1
    p+ from
    123
    58
    Ce
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)