element
Information about Neodymium-137:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:136.914640±0.000078amu
    Excess Mass (Δ):-79.512567±0.072778MeV
    Binding Energy:1138.342588±0.072778MeV
    β- Decay Energy:-5.657000±0.114000MeV #
"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: 1/2+
  • Half life: 38.5 min ( 2310 sec., λ = 0.000300064 s-1)
  • Mode of decay:
    E.C.
    to
    137
    59
    Pr
      (Q = 3.690 MeV)
    Meta state at 0.519 Mev
  • Spin: 11/2- 38.5
  • Half life: 1.60 s ( 1.6 sec., λ = 0.433217 s-1)
  • Mode of decay: γ (IT)  (Q = 0.520 MeV)

  • Possible parent nuclides:
    E.C. from
    137
    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)
Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev)T1/2Spin    m(nm)    Q(b)    Ref. Std.MethodReference
038 m1/2+ -0.633(5) [143Nd]LRIMSJP G18 1177 (92)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.