77-Ir-190
 basic
 XS graphs

 element
77-iridium-190

  • Atomic Mass: 189.9605923 +- 0.0002147 amu
  • Excess Mass: -36708.032 +- 200.020 keV
  • Binding Energy: 1510018.153 +- 200.020 keV
  • Beta Decay Energy: B- 616.859 +- 200.079 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: (4-)
  • Half life: 11.78 d
  • Mode of decay: Electron capture to Os-190
    • Decay energy: 2.000 MeV
  • Mode of decay: Electron capture to Os-190
    • Branch ratio: <0.0020 %
    • Decay energy: 2.000 MeV

    Meta state at 0.026 Mev
  • Spin: (1-)
  • Half life: 1.2 h
  • Mode of decay: IT
    • Decay energy: 0.026 MeV

    Meta state at 0.148 Mev
  • Spin: (11)-
  • Half life: 3.25 h
  • Mode of decay: Electron capture to Os-190
    • Branch ratio: 94.40 %
    • Decay energy: 2.149 MeV
  • Mode of decay: IT
    • Branch ratio: 5.60 %
    • Decay energy: 0.149 MeV
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
011.8 d(4)+ 0.04(1) NO/SJP G9 1125 (83)
+2.85(14) [189Ir]NO/SHFI 7 481 (80)
+2.7(2) [192Ir]NO/SHFI 22 19 (85)/Th Schneider (80)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.