element
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Information about Bismuth-187:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 186.993458 | ± | 0.000407 | amu # |
| Excess Mass (Δ): | -6.094000 | ± | 0.379000 | MeV # |
| Binding Energy: | 1450.496000 | ± | 0.379000 | 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: (9/2-)
- Half life: 35 ms ( 0.035 sec., λ = 19.8042 s-1)
- Mode of decay:
α to
(Q = 7.690 MeV)
Branch ratio: >50.00 %
Meta state at 0.060 Mev
- Spin: (1/2+)
35
- Half life: 0.8 ms ( 0.0008 sec., λ = 866.434 s-1)
- Mode of decay:
α to
(Q = 7.750 MeV)
Branch ratio: >50.00 %
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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