Basic Info
Fission Yield
element
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Information about Terbium-158:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 157.925410 | ± | 0.000003 | amu |
| Excess Mass (Δ): | -69.479885 | ± | 0.002999 | MeV |
| Binding Energy: | 1293.895917 | ± | 0.003007 | MeV |
| β- Decay Energy: | 0.936732 | ± | 0.002383 | 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-
- Half life: 180 years ( 5.6772×10+09 sec., λ = 1.22093×10-10 s-1)
- Mode of decay:
E.C. to
(Q = 1.220 MeV)
Branch ratio: 83.40 %
- Mode of decay:
β- to
(Q = 0.937 MeV)
Branch ratio: 16.60 %
Meta state at 0.110 Mev
- Spin: 0-
180
- Half life: 10.70 s ( 10.7 sec., λ = 0.0647801 s-1)
- Mode of decay: γ (IT) (Q = 0.110 MeV)
- Mode of decay:
β- to
(Q = 1.047 MeV)
Branch ratio: <0.60 %
- Mode of decay:
E.C. to
(Q = 1.330 MeV)
Branch ratio: <0.01 %
Meta state at 0.388 Mev
- Spin: 7-
10.70
- Half life: 0.40 ms ( 0.0004 sec., λ = 1732.87 s-1)
- Mode of decay: γ (IT) (Q = 0.388 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)
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