element
Information about Radon-198:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:197.998780±0.000217amu
    Excess Mass (Δ):-1.136443±0.202109MeV
    Binding Energy:1531.975966±0.202109MeV
"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: 0+
  • Half life: 57 ms ( 0.057 sec., λ = 12.1605 s-1)
  • Mode of decay:
    α
    to
    194
    84
    Po
      (Q = 7.352 MeV)
  • Mode of decay: E.C. to
    198
    85
    At
      (Q = 5.600 MeV)
  • Mode of decay: γ (IT) to
    198
    86
    Rn

  • Possible parent nuclides:
    α from
    202
    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)