element
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Information about Polonium-195:
| | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
Atomic Mass: | 194.988045 | ± | 0.000236 | amu # |
Excess Mass (Δ): | -11.136000 | ± | 0.220000 | MeV # |
Binding Energy: | 1519.326000 | ± | 0.220000 | MeV # |
β- Decay Energy: | -7.925000 | ± | 0.460000 | 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: (3/2-)
- Half life: 4.64 s ( 4.64 sec., λ = 0.149385 s-1)
- Mode of decay:
α to
 (Q = 6.750 MeV)
Branch ratio: 75.00 %
- Mode of decay: E.C. to
 (Q = 6.800 MeV)
Branch ratio: 25.00 %
Meta state at 0.230 Mev
- Spin: 13/2+)
4.64
- Half life: 1.92 s ( 1.92 sec., λ = 0.361014 s-1)
- Mode of decay:
α to
 (Q = 6.980 MeV)
Branch ratio: ~90.00 %
- Mode of decay: E.C. to
 (Q = 7.030 MeV)
Branch ratio: ~10.00 %
- Mode of decay: γ (IT) to
 (Q = 0.230 MeV)
Branch ratio: <0.01 %
- 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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