Dating Zero Time of CTBT Intercomparison Sample by Gamma Spectrometry
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Graphical Abstract
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Abstract
The paper introduces the method of dating the zero time by utilizing the activity ratio of two fission products in no-isobaric or parent-daughter fission products in isobaric. The method was applied to determine the zero time of filter sample in the CTBT radionuclide laboratories intercomparison from 2001 to 2004. The calculated results are very good agreement with referent values in the range of uncertainty.
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