Basic Info
Fission Yield
element
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Information about Iodine-139:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 138.926093 | ± | 0.000034 | amu |
| Excess Mass (Δ): | -68.843542 | ± | 0.031213 | MeV |
| Binding Energy: | 1149.292682 | ± | 0.031214 | MeV |
| β- Decay Energy: | 6.806000 | ± | 0.023000 | 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: (7/2+)
- Half life: 2.280 s ( 2.28 sec., λ = 0.304012 s-1)
- Mode of decay:
β- to
(Q = 6.806 MeV)
- Mode of decay: β- + n to
(Q = 3.210 MeV)
Branch ratio: 10.00 %
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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