Basic Info

Fission Yield


element
Information about Yttrium-90:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:89.907151±0.000003amu
    Excess Mass (Δ):-86.487861±0.002346MeV
    Binding Energy:782.395131±0.002349MeV
    β- Decay Energy:2.280077±0.001616MeV
"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: 64.00 h ( 230400 sec., λ = 3.00845×10-06 s-1)
  • Mode of decay:
    β-
    to
    90
    40
    Zr
      (Q = 2.280 MeV)
    Meta state at 0.681 Mev
  • Spin: 7+ 64.00
  • Half life: 3.19 h ( 11484 sec., λ = 6.03576×10-05 s-1)
  • Mode of decay: γ (IT)  (Q = 0.682 MeV)
  • Mode of decay:
    β-
    to
    90
    40
    Zr
      (Q = 2.962 MeV)   Branch ratio: 0.0018 %

  • Possible parent nuclides:
    β- from
    90
    38
    Sr
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
064.1 h2- -1.630(8) [89Y]ABPR 125 284 (62)
-0.155(3) ABPR 125 284 (62)
203250 ps3- -0.85(7) IPACNP A224 1 (74)
6823.19 h7+ 5.1(5) [87Y 381]NO/SHFI 43 477 (88)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.