element
Information about Radon-215:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:214.998729±0.000009amu
    Excess Mass (Δ):-1.183747±0.008124MeV
    Binding Energy:1669.235758±0.008129MeV
    β- Decay Energy:-1.487441±0.010307MeV
"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.
Radioactive Decay Data:

  • Spin: 9/2+
  • Half life: 2.30 µs ( 2.3×10-06 sec., λ = 301368 s-1)
  • Mode of decay:
    α
    to
    211
    84
    Po
      (Q = 8.839 MeV)

  • Possible parent nuclides:
    α from
    219
    88
    Ra
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)