element
Information about Erbium-161:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:160.930001±0.000010amu
    Excess Mass (Δ):-65.203315±0.009502MeV
    Binding Energy:1311.486255±0.009505MeV
    β- Decay Energy:-3.164000±0.089443MeV
"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: 3/2-
  • Half life: 3.21 h ( 11556 sec., λ = 5.99816×10-05 s-1)
  • Mode of decay:
    E.C.
    to
    161
    67
    Ho
      (Q = 2.002 MeV)

  • Possible parent nuclides:
    E.C. from
    161
    69
    Tm
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
03.21 h3/2- -0.365(3) [167Er]CFBLSCf85Bomb 175 (85)
-0.369(3) [167Er]ABNP A194 237 (72)
+1.35(2) [167Er]CFBLSCf85Bomb 175 (85)
+1.361(14) [167Er]ABNP A194 237 (72)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.