element
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Information about Francium-200:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 200.006499 | ± | 0.000252 | amu # |
| Excess Mass (Δ): | 6.054000 | ± | 0.235000 | MeV # |
| Binding Energy: | 1540.146000 | ± | 0.235000 | 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: 19 ms ( 0.019 sec., λ = 36.4814 s-1)
- Mode of decay:
α to
(Q = 7.630 MeV)
Meta state at 0.200 Mev
- Spin: (10-)
19
- Half life: 0.57 s ( 0.57 sec., λ = 1.21605 s-1)
- Mode of decay:
α to
(Q = 7.830 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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