79-Au-187
 basic

 element
79-gold-187

  • Atomic Mass: 186.9645620 +- 0.0001630 amu #
  • Excess Mass: -33010.000 +- 152.000 keV #
  • Binding Energy: 1480542.000 +- 152.000 keV #
  • Beta Decay Energy: B- -4865.000 +- 283.000 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: 8.4 min
  • Mode of decay: Electron capture to Pt-187
    • Decay energy: 3.600 MeV
  • Mode of decay: Alpha to Ir-183
    • Branch ratio: 0.0030 %
    • Decay energy: 4.790 MeV

    Meta state at 0.121 Mev
  • Spin: 9/2-
  • Half life: 2.3 s
  • Mode of decay: IT
    • Decay energy: 0.121 MeV

  • Possible parent nuclides:
    Electron capture from Hg-187
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
08.4 m1/2+ +0.535(15) LRIMSNP A493 224 (89)/PRL 58 1516 (87)
+0.531(12) LRIMSNP A512 241 (90)
0.72(7) ABNP A348 25 (80)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.