element
Information about Polonium-215:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:214.999415±0.000003amu
    Excess Mass (Δ):-0.545288±0.002854MeV
    Binding Energy:1670.162006±0.002869MeV
    β- Decay Energy:0.720384±0.006923MeV
"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: 1.781 ms ( 0.001781 sec., λ = 389.19 s-1)
  • Mode of decay:
    α
    to
    211
    82
    Pb
      (Q = 7.526 MeV)
  • Mode of decay: β- to
    215
    85
    At
      (Q = 0.721 MeV)   Branch ratio: 0.00023 %

  • Possible parent nuclides:
    β- from
    215
    83
    Bi
    α from
    219
    86
    Rn
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)