208 Tl decay; t1/2 = 3.05 m (t = 4.40 m).

  1. 208Tl [b (+ g)] 208Pb (stable)
g + c.e.(a) b
E(b) I(c) (c) Ic.e. E(b) I(c)
1283.0 1.9 10-4 3.7 10-7 514.0 1.9 10-4
1185.0 6.1 10-5 1.2 10-7 611.0 6.1 10-5
883.0 1.1 10-4 3.3 10-7 636.0 1.6 10-4
1161.0 4.0 10-5 7.9 10-8 "  
1744.0 7.2 10-6 7.2 10-9 "  
588.0 1.4 10-4 8.6 10-7 698.0 2.9 10-4
821.0 1.4 10-4 4.3 10-7 "  
705.0 7.9 10-5 3.2 10-7 814.0 8.2 10-4
983.0 7.3 10-4 1.5 10-6 "  
650.0 1.3 10-4 6.5 10-7 869.0 6.0 10-4
928.0 4.7 10-4 9.4 10-7 "  
1381.0 2.5 10-5 2.5 10-8 998.0 2.5 10-5
253.0 0.0025 0.0018 1033 0.011
486.0 1.8 10-4 1.6 10-6 "  
763.0 0.0065 2.4 10-4 "  
749.0 1.5 10-4 6.2 10-7 1048 1.5 10-4
211.0 6.4 10-4 7.5 10-4 1074 0.0023
722.0 7.2 10-4 3.0 10-5 "  
233.0 0.0011 9.9 10-4 1286 0.088
511.0 0.081 0.0087 "  
1094.0 0.0014 2.9 10-6 "  
277.0 0.023 0.012 1519 0.078
861.0 0.045 0.0012 "  
583.0 0.304 0.0063 1796 0.175
2615.0 0.356 0.0030 2379 (fed)(d)

Notes:                                                                     

  1. c.e.: conversion electrons
  2. Energies in keV
  3. Intensities per `parent' decay of Th
  4. Data from compilations and amendments in Nuclear Data Sheets to Vol. 64 (1991)
    Levels marked `(fed)' receive no direct b-decay, but are fed by gs from higher levels
  5. 208Tl entry in KAERI nuclide chart