element
Information about Europium-136:

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    Mass-Energy Data:

    Atomic Mass:135.939500±0.000540amu #
    Excess Mass (Δ):-56.355000±0.503000MeV #
    Binding Energy:1104.767000±0.503000MeV #
    β- Decay Energy:-7.051000±0.861000MeV #
"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: (7+)
  • Half life: 3.3 s ( 3.3 sec., λ = 0.210045 s-1)
  • Mode of decay:
    E.C.
    to
    136
    62
    Sm
      (Q = 10.400 MeV)
  • Mode of decay: E.C. +
    1
    1
    p+ to
    135
    61
    Pm
      (Q = 6.500 MeV)   Branch ratio: 0.09 %
    Meta state at 0.000 Mev
  • Spin: (3+) 3.3
  • Half life: 3.7 s ( 3.7 sec., λ = 0.187337 s-1)
  • Mode of decay:
    E.C.
    to
    136
    62
    Sm
      (Q = 10.400 MeV)
  • Mode of decay: E.C. +
    1
    1
    p+ to
    135
    61
    Pm
      (Q = 6.500 MeV)   Branch ratio: 0.09 %
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)