A critical evaluation of different isotope correlations for the determination of (242)Pu

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine
D AlameluSuresh K Aggarwal

Abstract

Different correlations are evaluated for the determination of (242)Pu in Pu generated from PHWR reactors with an average burn-up of about 10,000 MWd/TU. It is shown that the correlations involving ratios of Pu isotopes, except for (241)Pu, provide data with better confidence compared with those involving the atom% abundance. These correlations are also attractive when the decay period of the given sample is not known. In addition, it is shown that instead of using (239)Pu atom% abundance alone (Swinhoe et al., 2010), either (240)Pu atom% or a linear combination of (239)Pu and (240)Pu gives abundance of (242)Pu with better reliability. The uncertainty due to different decay periods also remains unaffected when using the correlation involving both (239)Pu and (240)Pu atom%. The present conclusions are based on Pu isotopic composition data from PHWR reactors ((239)Pu 65-75%) whereas those reported by other investigators are for PWR and BWR types of reactors.

References

Nov 17, 2009·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·Kihsoo JoeKyuseok Song

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Citations

May 28, 2013·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·Sabyasachi PatraA Goswami
Apr 6, 2012·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·Kihsoo JoeKyuseok Song
Dec 3, 2014·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·Arnab SarkarS K Aggarwal

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