215 At decay; t1/2 = 0.10 ms (t = 0.14 ms).

  1. 215At [a (+ g)] 211Bi
g + c.e.(a) a
E(b) I(c) (c) Ic.e. E(b) I(c)
404.0 5.1 10-11   7610 5.1 10-11
      8026 1.0 10-7

Notes:

  1. c.e.: conversion electrons
  2. Energies in keV
  3. Intensities per `parent' decay of natural U (i.e. 0.956 238U, 0.044 235U)
  4. Data from compilations and amendments in Nuclear Data Sheets to Vol. 64 (1991)
  5. g and conversion electron intensities are totals from given level; part may be associated with different (lower energy) primaries
  6. 215At entry in KAERI nuclide chart