234 Th decay; t1/2 = 24.10 d (t = 34.77 d).

  1. 234Th [b (+ g)] 234mPa
g + c.e.(a) b
E(b) I(c) (c) Ic.e. E(b) I(c)
113.0 0.002 9.5 × 10-4 86.0 0.025
83.3 7.0 × 10-4 1.4 × 10-4 "  
20.0 8.8 × 10-5 0.021 "  
92.8 0.024 0.004 106.0 0.068
63.3 0.043 0.018 "  
92.4 0.025 0.140 106.0 0.170
62.9 1.9 × 10-4 0.005 "  
29.5 1.4 × 10-5 0.062 "  
      198.0 0.693

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. 234Th entry in KAERI nuclide chart