39-Y-90
 basic
 fission yield
 XS graphs

 element
39-yttrium-90

  • Atomic Mass: 89.9071514 +- 0.0000025 amu
  • Excess Mass: -86487.861 +- 2.346 keV
  • Binding Energy: 782395.131 +- 2.349 keV
  • Beta Decay Energy: B- 2280.077 +- 1.616 keV
"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.
  • Spin: 2-
  • Half life: 64.00 h
  • Mode of decay: Beta to Zr-90
    • Decay energy: 2.280 MeV

    Meta state at 0.681 Mev
  • Spin: 7+
  • Half life: 3.19 h
  • Mode of decay: IT
    • Decay energy: 0.682 MeV
  • Mode of decay: Beta to Zr-90
    • Branch ratio: 0.0018 %
    • Decay energy: 2.962 MeV

  • Possible parent nuclides:
    Beta from Sr-90
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.