element
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Information about Radon-203:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 202.993316 | ± | 0.000443 | amu # |
| Excess Mass (Δ): | -6.226000 | ± | 0.412000 | MeV # |
| Binding Energy: | 1577.422000 | ± | 0.412000 | MeV # |
| β- Decay Energy: | -7.202000 | ± | 0.357000 | 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: /2,5/2)-
- Half life: 45 s ( 45 sec., λ = 0.0154033 s-1)
- Mode of decay:
α to
(Q = 6.630 MeV)
Branch ratio: 66.00 %
- Mode of decay: E.C. to
(Q = 6.000 MeV)
Branch ratio: 34.00 %
Meta state at 0.361 Mev
- Spin: 13/2+)
45
- Half life: 28 s ( 28 sec., λ = 0.0247553 s-1)
- Mode of decay:
α to
(Q = 6.991 MeV)
Branch ratio: ~80.00 %
- Mode of decay: E.C. to
(Q = 6.361 MeV)
Branch ratio: ~20.00 %
- Mode of decay: γ (IT) to
(Q = 0.361 MeV)
Branch ratio: <0.10 %
- 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)
Magnetic Dipole Moments and Electric Quadrupole Moments
| Ex(kev) | T1/2 | Spin | | m(nm) | | Q(b) | | Ref. Std. | Method | Reference |
| 361 | 28 s | (13/2+) | | -0.960(11) | | | | [209Rn] | CFBLS | HFI 34 25 (87) |
| | | | | | +1.28(13) | | | CFBLS | CERN EP/87 51 (87) |
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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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