element
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Information about Radon-207:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 206.990727 | ± | 0.000071 | amu |
| Excess Mass (Δ): | -8.637905 | ± | 0.065709 | MeV |
| Binding Energy: | 1612.119333 | ± | 0.065709 | MeV |
| β- Decay Energy: | -5.712441 | ± | 0.122285 | 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: 5/2-
- Half life: 9.25 min ( 555 sec., λ = 0.00124891 s-1)
- Mode of decay:
E.C. to
(Q = 4.610 MeV)
Branch ratio: 79.00 %
- Mode of decay:
α to
(Q = 6.251 MeV)
Branch ratio: 21.00 %
Meta state at 0.899 Mev
- Spin: 13/2+)
9.25
- Half life: 181 µs ( 0.000181 sec., λ = 3829.54 s-1)
- Mode of decay: γ (IT) (Q = 0.899 MeV)
- Possible parent nuclides:
- E.C. from
- 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)
Magnetic Dipole Moments and Electric Quadrupole Moments
| Ex(kev) | T1/2 | Spin | | m(nm) | | Q(b) | | Ref. Std. | Method | Reference |
| 0 | 9.3 m | 5/2- | | +0.816(9) | | | | [209Rn] | CFBLS | HFI 34 25 (87) |
| | | | | | +0.22(2) | | | CFBLS | CERN EP/87 51 (87) |
| 899 | 180 ms | 13/2+ | | -0.903(3) | | | | | TDPAD | HFI 9 87 (81) |
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N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.
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