85-At-202
basic
element
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85-astatine-202
- Atomic Mass: 201.9884486 +- 0.0001935 amu
- Excess Mass: -10760.031 +- 180.202 keV
- Binding Energy: 1574667.199 +- 180.202 keV
- Beta Decay Energy: B- -4442.000 +- 236.000 keV #
"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.
- Spin: (2,3)+
- Half life: 184 s
- Mode of decay: Electron capture to Po-202
- Branch ratio: 82.00 %
- Decay energy: 7.210 MeV
- Mode of decay: Alpha to Bi-198
- Branch ratio: 18.00 %
- Decay energy: 6.354 MeV
Meta state at 0.000 Mev
- Spin: (7+)
- Half life: 182 s
- Mode of decay: Electron capture to Po-202
- Branch ratio: 91.30 %
- Decay energy: 7.210 MeV
- Mode of decay: Alpha to Bi-198
- Branch ratio: 8.70 %
- Decay energy: 6.354 MeV
Meta state at 0.391 Mev
- Spin: (10-)
- Half life: 0.46 s
- Mode of decay: IT to At-202
- Branch ratio: 99.70 %
- Decay energy: 0.392 MeV
- Mode of decay: Electron capture to Po-202
- Branch ratio: 0.25 %
- Decay energy: 7.602 MeV
- Mode of decay: Alpha to Bi-198
- Branch ratio: 0.10 %
- Decay energy: 6.746 MeV
- Possible parent nuclides:
- Electron capture from Rn-202
- Alpha from Fr-206
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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