Evaluation made within an IAEA Coordinated Reserch Project  — For atomic radiation data, please refer to the pdf files linked below

Parent  Energy [keV]  Half-life  Jπ  Decay  Q [keV]  Daughter 208 81 Tl   127 0.0 3.058 min 6 5+ β- 4999.0 17.0 208 82 Pb   126

Evaluation: A.L. Nichols, A.L. Nichols Publication cut-off: 30-AUG-2001 ENSDF   Summary

General Comments

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Beta -    <Eβ-> [keV]   Iβ-(abs) [%]  Daughter level [keV]  Jπ  Eβ-, max [keV]  logft  Transition type 154.3 6 0.052 5 4480.746 16 6- 518.3 17 6.67 1st unique 187.7 6 0.017 5 4383.285 17 6- 615.7 17 7.41 1st unique 196.4 6 0.045 4 4358.670 13 4- 640.3 17 7.04 1st unique 208.6 6 0.005 2 4323.946 14 4+ 675.1 17 8.1   218.3 6 0.102 11 4296.560 13 5- 702.4 17 6.82   230.8 6 0.002 1 4261.871 13 4- 737.1 17 8.6 1st unique 260.4 6 0.231 9 4180.414 14 5- 818.6 17 6.7   280.8 6 0.174 9 4125.347 12 5- 873.7 17 6.92   329.7 7 0.007 3 3995.438 13 4- 1003.6 17 8.5 1st unique 342.8 7 3.17 4 3961.162 13 5- 1037.8 17 5.92   348.4 7 0.048 3 3946.578 14 4- 1052.4 17 7.76 1st unique 358.6 7 0.63 4 3919.966 13 6- 1079.0 17 6.68 1st unique 441.5 7 24.1 2 3708.451 12 5- 1290.5 17 5.38   535.4 7 22.1 5 3475.078 11 4- 1523.9 17 5.69 1st unique 649.5 7 49.2 6 3197.711 10 5- 1801.3 17 5.61   Gamma    Eγ [keV]  Iγ-(abs) [%]  Initial level [keV]  Jπ  Final level [keV]  Jπ  Mult.  δ  αT  ITot [%] 211.52 2 0.18 1 3919.966 13 6- 3708.451   M1+E2 0.18 2 1.096 17   233.37 2 0.31 1 3708.451 12 5- 3475.078   [M1+E2] 0.70 7 0.66 3   252.71 2 0.78 2 3961.162 13 5- 3708.451   [M1+E2] -0.40 4 0.616 15   277.37 2 6.6 3 3475.078 11 4- 3197.711   [M1+E2] 0.02 1 0.529 8   486.08 2 0.049 4 3961.162 13 5- 3475.078   [M1]   0.1164 17   510.74 2 22.5 2 3708.451 12 5- 3197.711   [M1+E2] -0.05 5 0.1019 16   583.187 2 85.0 3 3197.711 10 5- 2614.552   E2   0.0205 3   588.108 18 0.06 1 4296.560 13 5- 3708.451   [M1]   0.0704 10   650.27 2 0.041 5 4125.347 12 5- 3475.078   [M1]   0.0541 8   705.34 2 0.022 4 4180.414 14 5- 3475.078   [M1]   0.0438 7   722.26 2 0.24 4 3919.966 13 6- 3197.711   M1+E2 0.31 3 0.0387 7   748.87 2 0.046 3 3946.578 14 4- 3197.711   [M1]   0.0375 6   763.45 2 1.80 2 3961.162 13 5- 3197.711   [M1+E2] -0.10 1 0.0354 5   808.32 13 0.030 7                 821.48 2 0.041 4 4296.560 13 5- 3475.078   M1   0.0295 5   835.90 11 0.076 11                 860.53 2 12.4 1 3475.078 11 4- 2614.552   [M1+E2] 0.015 0.0262 4   883.59 2 0.031 3 4358.670 13 4- 3475.078   [M1]   0.0244 4   927.64 2 0.128 7 4125.347 12 5- 3197.711   [M1]   0.0216 3   982.70 2 0.204 8 4180.414 14 5- 3197.711   [M1]   0.0186 3   1093.90 2 0.44 1 3708.451 12 5- 2614.552   E2   0.00560 8   1126.24 2 0.005 2 4323.946 14 4+ 3197.711   E1   0.00203 3   1160.96 2 0.011 3 4358.670 13 4- 3197.711   [M1]   0.01214 17   1185.57 2 0.017 5 4383.285 17 6- 3197.711   [M1]   0.01151 17   1283.04 2 0.052 5 4480.746 16 6- 3197.711   [M1]   0.00943 14   1380.89 2 0.007 3 3995.438 13 4- 2614.552   [M1]   0.00785 11   1647.32 2 0.002 1 4261.871 13 4- 2614.552   [M1]   0.00518 8   1744.120 16 0.002 1 4358.670 13 4- 2614.552   M1+E2   0.00457 7   2614.511 10 99.755 4 2614.552 10 3- 0   E3   0.00246 4

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