Basic Info

Fission Yield


element
Information about Yttrium-87:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:86.910878±0.000003amu
    Excess Mass (Δ):-83.016752±0.002593MeV
    Binding Energy:754.710053±0.002596MeV
    β- Decay Energy:-3.668917±0.008460MeV
"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: 79.8 h ( 287280 sec., λ = 2.41279×10-06 s-1)
  • Mode of decay:
    E.C.
    to
    87
    38
    Sr
      (Q = 1.862 MeV)
    Meta state at 0.380 Mev
  • Spin: 9/2+ 79.8
  • Half life: 13.37 h ( 48132 sec., λ = 1.4401×10-05 s-1)
  • Mode of decay: γ (IT)  (Q = 0.381 MeV)   Branch ratio: 98.43 %
  • Mode of decay:
    E.C.
    to
    87
    38
    Sr
      (Q = 2.243 MeV)   Branch ratio: 1.57 %

  • Possible parent nuclides:
    E.C. from
    87
    40
    Zr
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
38112.7 h9/2+ 6.06(7) NMR/ONPRL 66 96 (91)
0 6.1 (+8/-2) BFNOPR C17 287 (78)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.