element
Information about Thulium-158:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:157.936996±0.000125amu #
    Excess Mass (Δ):-58.687000±0.116000MeV #
    Binding Energy:1279.974000±0.116000MeV #
    β- Decay Energy:-2.665000±0.117000MeV #
"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: 2-
  • Half life: 3.98 min ( 238.8 sec., λ = 0.00290263 s-1)
  • Mode of decay:
    E.C.
    to
    158
    68
    Er
      (Q = 6.600 MeV)

  • Possible parent nuclides:
    E.C. from
    158
    70
    Yb
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
04.3 m2- +0.04(2) [169Tm]LRIMSNP A477 37 (88)
+0.74(11) st [170Tm]LRIMSNP A477 37 (88)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.