87-Fr-218
 basic

 element
87-francium-218

  • Atomic Mass: 218.0075633 +- 0.0000059 amu
  • Excess Mass: 7045.191 +- 5.450 keV
  • Binding Energy: 1684438.435 +- 5.458 keV
  • Beta Decay Energy: B- 409.278 +- 12.040 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: 1-
  • Half life: 1.0 ms
  • Mode of decay: Alpha to At-214
    • Decay energy: 8.014 MeV

    Meta state at 0.086 Mev
  • Half life: 22.0 ms
  • Mode of decay: Alpha to At-214
    • Branch ratio: <=100.00 %
    • Decay energy: 0 8.100 MeV
  • Mode of decay: IT to Fr-218
    • Decay energy: 0.086 MeV

  • Possible parent nuclides:
    Alpha from Ac-222
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)