85-At-202  basic  element

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)