40-Zr-91
 basic
 fission yield
 n-XS summary
 XS graphs

 element
40-zirconium-91

  • Atomic Mass: 90.9056450 +- 0.0000023 amu
  • Excess Mass: -87891.133 +- 2.156 keV
  • Binding Energy: 791087.372 +- 2.159 keV
  • Beta Decay Energy: B- -1253.390 +- 2.378 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.
  • Atomic Percent Abundance: 11.22%
  • Spin: 5/2+
  • Stable Isotope
    Meta state at 3.167 Mev
  • Spin: 21/2+)
  • Half life: 4.35 us
  • Mode of decay: IT to Zr-91
    • Decay energy: 3.167 MeV

  • Possible parent nuclides:
    Beta from Y-91
    Electron capture from Nb-91
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
0stable5/2+ -1.30362(2) [2H]NPR 105 1929 (57)
-0.206(10) ABBk82HFS 83 (82)
228729 ns15/2- +5.25(8) TDPADNP A257 135 (76)
31673.6 ms21/2+ +9.82(8) [90Zr 3589]TDPADBAPS 27 7 (82)
(-)0.86(5) [91Zr]TDPADPRL 54 2592 (85)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.