234m Pa decay; t1/2 = 70.2 s (t = 101.3 s).

  1. 234mPa [b (+ g)] 234U   (99.87%;   t1/2 = 70.3 s)
  2. 234mPa [g] 234Pa   (0.13%;   t1/2 = 15.0 h)
g + c.e.(a) b
E(b) I(c) (c) Ic.e. E(b) I(c)
1001 0.0056 6.3 × 10-5 1228 0.0071
258.0 5.4 × 10-4 3.0 × 10-5 "  
236.0   8.3 × 10-4 "  
193.0 4.2 × 10-6 4.6 × 10-7 "  
811.0   0.0049 1463 0.0059
766.0 0.0020 3.7 × 10-5 "  
      2290 0.939
73.9 1.0 × 10-4 0.0011 (decay mode 2)

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);
    19 b-decays and 9 other levels (and 108 associated gs) with yields < 0.1% omitted - full details here
  5. g and conversion electron intensities are totals from given level; part may be associated with different (lower energy) primaries
  6. 234Pa entry in KAERI nuclide chart