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Appl Radiat Isot. 2009 Sep;67(9):1541-9. doi: 10.1016/j.apradiso.2009.02.092. Epub 2009 Mar 9.

Evaluation of 235U decay data.

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  • 1China Institute of Atomic Energy, China Nuclear Data Center, Beijing, China.


Evaluation of the complete decay scheme and data for (235)U including new measurements are presented in this report; literature data available up to June 2008 are included. The half-life is determined to be (7.04+/-0.01) x 10(8) yr. All known measured gamma-ray absolute intensities have been examined; the gamma-ray emission probability of the reference gamma-ray line of 185.72 keV is recommended to be 57.0+/-0.3%. The calculated internal conversion coefficients and their uncertainties have been used to obtain the complete decay intensity balance. The other decay characteristics are calculated using the ENSDF analysis program. Finally the new decay scheme for (235)U is presented.

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