Article Dans Une Revue Applied Radiation and Isotopes Année : 2024

DDEP re-evaluation of the radioactive decay scheme of $^{137}$Cs

Résumé

A complete re-evaluation of the $^{137}$Cs $\beta^-$ decay scheme has been performed within the scope of the Decay Data Evaluation Project (DDEP), taking full advantage of the most recent measurements. An evaluated half-life of 30.018 (22) years is recommended, along with a full revision of the $\beta^-$ decay branching ratios that also results in a re-evaluation of the absolute emission probability of the 662-keV gamma ray to give a value of 85.01 (20)%. Recommendations for new measurements are also suggested.
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Dates et versions

cea-04404464 , version 1 (19-01-2024)

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Sylvain Leblond. DDEP re-evaluation of the radioactive decay scheme of $^{137}$Cs. Applied Radiation and Isotopes, 2024, 206, 111191 (5 p.). ⟨10.1016/j.apradiso.2024.111191⟩. ⟨cea-04404464⟩
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