219 Rn decay; t1/2 = 3.96 s (t = 5.71 s).

  1. 219Rn [a (+ g)] 215Po
g + c.e.(a) a
E(b) I(c) (c) Ic.e. E(b) I(c)
1055.0 1.3 10-7 3.3 10-10 5786 4.4 10-7
538.0 2.6 10-7 2.4 10-9 "  
380.0 1.3 10-7 2.5 10-9 "  
325.0 1.3 10-7 3.4 10-9 "  
889.0 6.6 10-7 2.2 10-9 5948 1.6 10-6
371.0 8.8 10-7 1.8 10-8 "  
833.0 4.4 10-7 1.7 10-9 6001 1.9 10-6
564.0 1.3 10-6 1.1 10-8 "  
438.0 1.5 10-6 2.0 10-8 6102 1.3 10-6
677.0 8.8 10-6 4.9 10-8 6157 8.8 10-6
608.0 1.1 10-6 7.9 10-9 6224 1.1 10-6
517.0 1.8 10-5 1.7 10-7 6312 2.4 10-5
222.0 1.3 10-5 8.5 10-7 "  
402.0 0.0029 1.7 10-4 6425 0.0033
131.0 5.5 10-5 2.6 10-4 "  
294.0 2.9 10-5 9.4 10-7 6529 5.3 10-5
271.0 0.0044 9.1 10-4 6553 0.0054
      6819 0.036

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. 219Rn entry in KAERI nuclide chart