element
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Information about Iridium-190:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 189.960592 | ± | 0.000215 | amu |
| Excess Mass (Δ): | -36.708032 | ± | 0.200020 | MeV |
| Binding Energy: | 1510.018153 | ± | 0.200020 | MeV |
| β- Decay Energy: | 0.616859 | ± | 0.200079 | MeV |
"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: (4-)
- Half life: 11.78 days ( 1.01779×10+06 sec., λ = 6.8103×10-07 s-1)
- Mode of decay:
E.C. to
(Q = 2.000 MeV)
- Mode of decay:
E.C. to
(Q = 2.000 MeV)
Branch ratio: <0.0020 %
Meta state at 0.026 Mev
- Spin: (1-)
11.78
- Half life: 1.2 h ( 4320 sec., λ = 0.000160451 s-1)
- Mode of decay: γ (IT) (Q = 0.026 MeV)
Meta state at 0.148 Mev
- Spin: (11)-
1.2 8
- Half life: 3.25 h ( 11700 sec., λ = 5.92433×10-05 s-1)
- Mode of decay:
E.C. to
(Q = 2.149 MeV)
Branch ratio: 94.40 %
- Mode of decay: γ (IT) (Q = 0.149 MeV)
Branch ratio: 5.60 %
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) | T1/2 | Spin | | m(nm) | | Q(b) | | Ref. Std. | Method | Reference |
| 0 | 11.8 d | (4)+ | | 0.04(1) | | | | | NO/S | JP G9 1125 (83) |
| | | | | | +2.85(14) | | [189Ir] | NO/S | HFI 7 481 (80) |
| | | | | | +2.7(2) | | [192Ir] | NO/S | HFI 22 19 (85)/Th Schneider (80) |
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N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.
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