element
Information about Praseodymium-129:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:128.924860±0.000320amu #
    Excess Mass (Δ):-69.992000±0.298000MeV #
    Binding Energy:1065.034000±0.298000MeV #
    β- Decay Energy:-7.819000±0.467000MeV #
"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: 11/2-)
  • Half life: 30 s ( 30 sec., λ = 0.0231049 s-1)
  • Mode of decay:
    E.C.
    to
    129
    58
    Ce
      (Q = 6.300 MeV)   Branch ratio: >0.00 %

  • Possible parent nuclides:
    E.C. +
    1
    1
    p+ from
    130
    61
    Pm
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)