Basic Info

Fission Yield


element
Information about Promethium-156:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:155.931060±0.000039amu
    Excess Mass (Δ):-64.216854±0.036287MeV
    Binding Energy:1275.619654±0.036288MeV
    β- Decay Energy:5.155000±0.035000MeV
"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: 4(-)
  • Half life: 26.70 s ( 26.7 sec., λ = 0.0259606 s-1)
  • Mode of decay:
    β-
    to
    156
    62
    Sm
      (Q = 5.160 MeV)

  • Possible parent nuclides:
    β- from
    156
    60
    Nd
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)