140
56
Ba


Basic Info

Fission Yield

n-XS summary

element 		Information about Barium-140:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation
    Mass-Energy Data:

    Atomic Mass:139.910599±0.000009amu
    Excess Mass (Δ):-83.276031±0.008402MeV
    Binding Energy:1169.449433±0.008404MeV
    β- Decay Energy:1.049731±0.008077MeV
"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: 12.752 days ( 1.10177×10+06 sec., λ = 6.2912×10-07 s-1)
  • Mode of decay:
    β-
     to
    140
    57
    La
       (Q = 1.050 MeV)

  • Possible parent nuclides:
    β- from
    140
    55
    Cs
    β- +
    1
    0
    n from
    141
    55
    Cs
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)