184
79
Au
element 		Information about Gold-184:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation
    Mass-Energy Data:

    Atomic Mass:183.967474±0.000205amu #
    Excess Mass (Δ):-30.298000±0.191000MeV #
    Binding Energy:1453.615000±0.191000MeV #
    β- Decay Energy:-4.120000±0.060000MeV #
"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: 5+
  • Half life: 12.0 s ( 12 sec., λ = 0.0577623 s-1)
  • Mode of decay:
    E.C.
     to
    184
    78
    Pt
       (Q = 7.100 MeV)
    Meta state at 0.000 Mev
  • Spin: 2+ 12.0
  • Half life: 53.0 s ( 53 sec., λ = 0.0130782 s-1)
  • Mode of decay:
    E.C.
     to
    184
    78
    Pt
       (Q = 7.100 MeV)   Branch ratio: 99.98 %
  • Mode of decay:
    α
     to
    180
    77
    Ir
       (Q = 5.300 MeV)   Branch ratio: 0.02 %
  • Mode of decay: γ (IT) to
    184
    79
    Au
       (Q = 5.300 MeV)

  • Possible parent nuclides:
    E.C. from
    184
    80
    Hg
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
021 s5 +2.07(2) LRISPRL 79 2213 (97)
+4.65(26) LRISPRL 79 2213 (97)
49 s2 +1.44(2) LRISPRL 79 2213 (97)
+1.90(16) LRISPRL 79 2213 (97)
15667 ns1- ~0.75 TDPACAR77 HMI-261 51 (77)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.