86-Rn-204
 basic

 element
86-radon-204

  • Atomic Mass: 203.9913650 +- 0.0001500 amu #
  • Excess Mass: -8044.000 +- 140.000 keV #
  • Binding Energy: 1587311.000 +- 140.000 keV #
  • Beta Decay Energy: B- -8596.000 +- 250.000 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: 0+
  • Half life: 1.24 min
  • Mode of decay: Alpha to Po-200
    • Branch ratio: 73.00 %
    • Decay energy: 6.546 MeV
  • Mode of decay: EC to At-204
    • Branch ratio: 27.00 %
    • Decay energy: 3.820 MeV

  • Possible parent nuclides:
    Alpha from Ra-208
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)