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 228 90 Th   138 0.0 1.9126 y 9 0+ α 5520.08 22.0 224 88 Ra   136

Evaluation: A.L.Nichols Publication cut-off: 30-APR-2010 ENSDF   Summary

General Comments

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Alpha    Eα [keV]  Iα(abs) [%]  Daughter level [keV]  Jπ  HF 4448.00 23 45000E-1 7 992.65 6 (2)+ 7.2 4522.97 23 17000E-9 3 916.34 7 0+ 7 4952.5 3 24000E-9 5 479.20 18 (6)+ 4600 4997.76 24 10000E-9 2 433.07 10 (5)- 21400 5137.97 22 0.036 6 290.36 4 (3)- 44 5176.86 22 0.218 4 250.783 5 4+ 12.5 5211.05 22 0.408 7 215.985 4 1- 10.7 5340.35 22 26.0 5 84.373 3 2+ 0.958 5423.24 22 73.4 5 0 0+ 1 Gamma    Eγ [keV]  Iγ-(abs) [%]  Initial level [keV]  Jπ  Final level [keV]  Jπ  Mult.  δ  αT  ITot [%] 74.38 4 0.00039 14 290.36 4 (3)- 215.985   [E2]   38.6 6   84.373 3 1.19 3 84.373 3 2+ 0   E2   21.2 3   131.612 5 0.127 2 215.985 4 1- 84.373   E1   0.247 4   142.71 11 1.3E-6 4 433.07 10 (5)- 290.36   [E2]   2.14 3   166.410 4 0.1004 14 250.783 5 4+ 84.373   E2   1.164 17   182.29 10 5.1E-6 18 433.07 10 (5)- 250.783   [E1]   0.1126 16   205.99 4 0.0188 5 290.36 4 (3)- 84.373   [E1]   0.0841 12   215.985 4 0.246 4 215.985 4 1- 0   E1   0.0752 11   228.42 18 0.000018 4 479.20 18 (6)+ 250.783   [E2]   0.366 6   700.36 7 0.000003 1 916.34 7 0+ 215.985   E1   0.00611 9   741.87 6 1.4E-6 4 992.65 6 (2)+ 250.783   [E2]   0.01625 23   831.97 7 0.000014 2 916.34 7 0+ 84.373   E2   0.01289 18   908.28 6 1.7E-6 5 992.65 6 (2)+ 84.373   [M1+E2] 1.0 2 0.024 3   992.65 6 1.4E-6 4 992.65 6 (2)+ 0   [E2]   0.00913 13

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