Beryllium characterization in powders containing plutonium by photoneutron activation analysis using a 124Sb gamma source

Abstract : The possibility to determine the amount of beryllium in cans containing a mixed powder of iron and plutonium by counting photoneutrons is investigated with Monte Carlo simulation. The sensitivity of the optimized measurement cell is larger than 3000 s−1 wt% of Be with a 3.7E10 Bq source of 124Sb. A heterogeneous distribution of beryllium induces a 30 % relative uncertainty, which dominates the total uncertainty, the relative counting statistics being lower than 1 % when the 124Sb source activity exceeds 3.7E9 Bq. © 2016, Akadémiai Kiadó, Budapest, Hungary.}, author_keywords={Beryllium; Monte Carlo simulation; Nondestructive nuclear measurement; Photonuclear neutron production
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Submitted on : Thursday, January 24, 2019 - 2:06:49 PM
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C. Carasco, B. Perot, A. Mariani, N. Saurel, S. Colas. Beryllium characterization in powders containing plutonium by photoneutron activation analysis using a 124Sb gamma source. Journal of Radioanalytical and Nuclear Chemistry, Springer Verlag, 2016, 309 (3), pp.967-971. ⟨10.1007/s10967-016-4710-z⟩. ⟨cea-01992406⟩

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