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 226 88 Ra   138 0.0 1600 y 7 0+ α 4870.62 25.0 222 86 Rn   136

Evaluation: V.ChistÂ?, M.M.BÂ? Publication cut-off: 31-DEC-2003 ENSDF   Summary

General Comments

•  
•  

Alpha    Eα [keV]  Iα(abs) [%]  Daughter level [keV]  Jπ  HF 4160 2 0.0002 635.47 15 3- 8.65 4191 2 0.0008 600.66 5 1- 4.5 4340 1 0.0066 22 448.37 12 4+ 10.4 4601 1 5.95 4 186.211 13 2+ 0.96 4784.34 25 94.038 40 0 0+ 1 Gamma    Eγ [keV]  Iγ-(abs) [%]  Initial level [keV]  Jπ  Final level [keV]  Jπ  Mult.  δ  αT  ITot [%] 186.211 13 3.555 19 186.211 13 2+ 0   E2   0.677 10   262.27 5 0.0055 18 448.37 12 4+ 186.211   [E2]   0.209 4   414.60 5 0.0003 600.66 5 1- 186.211   [E1]   0.01628 23   449.37 10 0.0002 635.47 15 3- 186.211   [E1]   0.01373 20   600.66 5 0.0005 600.66 5 1- 0   [E1]   0.00762 11

pop out   Highlight: (keV)   level gamma   Image Height:   Image Width: