85-At-201
 basic

 element
85-astatine-201

  • Atomic Mass: 200.9884869 +- 0.0002605 amu
  • Excess Mass: -10724.374 +- 242.692 keV
  • Binding Energy: 1566560.219 +- 242.693 keV
  • Beta Decay Energy: B- -6566.000 +- 314.000 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: (9/2-)
  • Half life: 89 s
  • Mode of decay: Alpha to Bi-197
    • Branch ratio: 71.00 %
    • Decay energy: 6.473 MeV
  • Mode of decay: Electron capture to Po-201
    • Branch ratio: 29.00 %
    • Decay energy: 5.850 MeV

  • Possible parent nuclides:
    Alpha from Fr-205
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)