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Improvement of the activity measurement method for solid dosimeters emitting X-rays

C. Domergue 1 J. Riffaud 2 M. -C. Lepy 2 C. Destouches 1 N. Thiollay 1 H. Philibert 1 O. Vigneau 3 L. Gravier 3 J. M. Girard 1 J. Bonora 1 
1 LDCI - Laboratoire de Dosimétrie, de Contrôle-commande et Instrumentation
SPESI - Service Physique EXpérimentale, d'essais en Sûreté et d'Instrumentation : DEN/DER
2 LNHB - Laboratoire National Henri Becquerel
DM2I - Département Métrologie Instrumentation & Information : DRT/LIST/DM2I
3 LARC - Laboratoire d'Analyses Radiochimiques et Chimiques
SA3E - Service d'Analyses, d'Elaboration, d'Expérientations et d'Examens des combustibles : DEN/DEC/SA3E
Abstract : Today, there is growing interest for neutrons in the intermediate energy range between 100 keV and 1 MeV, which are responsible for damaging materials in reactor. To improve this deficiency, we use rhodium and niobium which, through the inelastic neutron scattering reaction, leads to the formation of Rh-103m and Nb-93m low-energy X-emitters. This paper describes the improvements and validation made on this type of complex measurement by X spectrometry: self-attenuation, fluorescence correction, and emission intensity were poorly known previously.
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Submitted on : Thursday, May 31, 2018 - 7:55:32 AM
Last modification on : Thursday, February 17, 2022 - 10:08:03 AM



C. Domergue, J. Riffaud, M. -C. Lepy, C. Destouches, N. Thiollay, et al.. Improvement of the activity measurement method for solid dosimeters emitting X-rays. Applied Radiation and Isotopes, 2018, 134 (SI), pp.182-189. ⟨10.1016/j.apradiso.2017.10.004⟩. ⟨cea-01803821⟩



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