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

C. Carasco 1 B. Perot 1 A. Mariani 2 N. Saurel 3 S. Colas 4
1 LMN - Laboratoire de Mesures Nucléaires
SMTA - Service Mesures et modélisation des Transferts et des Accidents graves : DEN/DTN
2 PRISME - Laboratoire Pluridisciplinaire de Recherche en Ingénierie des Systèmes, Mécanique et Energétique
3 DAM/VALDUC - VALDUC
4 URC, hôpital Necker Enfants Maladies, Paris
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
Keywords : antimony antimony 124 beryllium plutonium radioisotope unclassified drug Article gamma radiation Monte Carlo method neutron neutron activation analysis powder radiation measurement uncertainty
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https://hal-cea.archives-ouvertes.fr/cea-01992406
Contributor : Bibliothèque Cadarache <>
Submitted on : Thursday, January 24, 2019 - 2:06:49 PM
Last modification on : Wednesday, March 3, 2021 - 3:36:04 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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