79-Au-189
 basic

 element
79-gold-189

  • Atomic Mass: 188.9638920 +- 0.0002150 amu #
  • Excess Mass: -33635.000 +- 200.000 keV #
  • Binding Energy: 1497309.000 +- 200.000 keV #
  • Beta Decay Energy: B- -3950.000 +- 200.000 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: 1/2+
  • Half life: 28.7 min
  • Mode of decay: Electron capture to Pt-189
    • Decay energy: 2.850 MeV
  • Mode of decay: Alpha to Ir-185
    • Branch ratio: <3.0E-5 %
    • Decay energy: 4.400 MeV

    Meta state at 0.247 Mev
  • Spin: 11/2-
  • Half life: 4.59 min
  • Mode of decay: Electron capture to Pt-189
    • Decay energy: 3.097 MeV
  • Mode of decay: IT to Au-189
    • Branch ratio: >0.00 %
    • Decay energy: 0.247 MeV

  • Possible parent nuclides:
    Electron capture from Hg-189
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
028.7 m1/2+ +0.494(14) LRIMSNP A493 224 (89)/PRL 58 1516 (87)
2474.6 m11/2- +6.19(2) LRIMSNP A493 224 (89)/PRL 58 1516 (87)
6.17(15) [195Au 319]"NO/S, NMR/ON"PR B34 2014 (86)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.