element
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Information about Radon-214:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 213.995346 | ± | 0.000010 | amu |
| Excess Mass (Δ): | -4.334917 | ± | 0.009568 | MeV |
| Binding Energy: | 1664.315605 | ± | 0.009572 | MeV |
| β- Decay Energy: | -3.361263 | ± | 0.012585 | 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: 0+
- Half life: 0.27 µs ( 2.7×10-07 sec., λ = 2.56721×10+06 s-1)
- Mode of decay:
α to
(Q = 9.208 MeV)
Meta state at 1.442 Mev
- Spin: 6+
0.27
- Half life: 0.69 ns ( 6.9×10+08 sec., λ = 1.00456×10-09 s-1)
- Mode of decay: γ (IT) to
(Q = 1.443 MeV)
Branch ratio: <100.00 %
- Mode of decay:
α to
(Q = 10.651 MeV)
Branch ratio: >0.00 %
Meta state at 1.625 Mev
- Spin: 8+
0.69
- Half life: 6.5 ns ( 6.5×10+09 sec., λ = 1.06638×10-10 s-1)
- Mode of decay: γ (IT) to
(Q = 1.625 MeV)
Branch ratio: ~90.00 %
- Mode of decay:
α to
(Q = 10.833 MeV)
Branch ratio: ~10.00 %
- Possible parent nuclides:
- α from
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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