86-Rn-207
 basic

 element
86-radon-207

  • Atomic Mass: 206.9907268 +- 0.0000705 amu
  • Excess Mass: -8637.905 +- 65.709 keV
  • Binding Energy: 1612119.333 +- 65.709 keV
  • Beta Decay Energy: B- -5712.441 +- 122.285 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: 5/2-
  • Half life: 9.25 min
  • Mode of decay: Electron capture to At-207
    • Branch ratio: 79.00 %
    • Decay energy: 4.610 MeV
  • Mode of decay: Alpha to Po-203
    • Branch ratio: 21.00 %
    • Decay energy: 6.251 MeV

    Meta state at 0.899 Mev
  • Spin: 13/2+)
  • Half life: 181 us
  • Mode of decay: IT
    • Decay energy: 0.899 MeV

  • Possible parent nuclides:
    Electron capture from Fr-207
    Alpha from Ra-211
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)
Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev)T1/2Spin    m(nm)    Q(b)    Ref. Std.MethodReference
09.3 m5/2- +0.816(9) [209Rn]CFBLSHFI 34 25 (87)
+0.22(2) CFBLSCERN EP/87 51 (87)
899180 ms13/2+ -0.903(3) TDPADHFI 9 87 (81)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.