element
Information about Astatine-215:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:214.998641±0.000008amu
    Excess Mass (Δ):-1.265672±0.007123MeV
    Binding Energy:1670.100036±0.007129MeV
    β- Decay Energy:-0.081925±0.010210MeV
"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: 0.10 ms ( 0.0001 sec., λ = 6931.47 s-1)
  • Mode of decay:
    α
    to
    211
    83
    Bi
      (Q = 8.178 MeV)

  • Possible parent nuclides:
    α from
    219
    87
    Fr
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)