85-At-198
 basic

 element
85-astatine-198

  • Atomic Mass: 197.9927520 +- 0.0004590 amu #
  • Excess Mass: -6751.000 +- 428.000 keV #
  • Binding Energy: 1538373.000 +- 428.000 keV #
  • Beta Decay Energy: B- -5615.000 +- 473.000 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: (3+)
  • Half life: 4.2 s
  • Mode of decay: Alpha to Bi-194
    • Branch ratio: 90.00 %
    • Decay energy: 6.893 MeV
  • Mode of decay: EC to Po-198
    • Branch ratio: 10.00 %
    • Decay energy: 8.800 MeV

    Meta state at 0.102 Mev
  • Spin: (10-)
  • Half life: 1.0 s
  • Mode of decay: Alpha to Bi-194
    • Branch ratio: 84.00 %
    • Decay energy: 6.995 MeV
  • Mode of decay: EC to Po-198
    • Branch ratio: 16.00 %
    • Decay energy: 8.902 MeV

  • Possible parent nuclides:
    Alpha from Fr-202
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)