element
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Information about Iridium-197:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 196.969636 | ± | 0.000022 | amu |
| Excess Mass (Δ): | -28.283417 | ± | 0.020435 | MeV |
| Binding Energy: | 1558.092798 | ± | 0.020436 | MeV |
| β- Decay Energy: | 2.154634 | ± | 0.020224 | 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: 3/2+
- Half life: 5.8 min ( 348 sec., λ = 0.0019918 s-1)
- Mode of decay:
β- to
(Q = 2.155 MeV)
Meta state at 0.115 Mev
- Spin: 11/2-
5.8
- Half life: 8.9 min ( 534 sec., λ = 0.00129803 s-1)
- Mode of decay:
β- to
(Q = 2.270 MeV)
Branch ratio: 99.75 %
- Mode of decay: γ (IT) to
(Q = 0.115 MeV)
Branch ratio: 0.25 %
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)
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