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. 2018 Apr:134:182-189.
doi: 10.1016/j.apradiso.2017.10.004. Epub 2017 Oct 12.

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

C Domergue  1 , J Riffaud  2 , M-C Lépy  2 , C Destouches  3 , N Thiollay  3 , H Philibert  3 , O Vigneau  4 , L Gravier  4 , J M Girard  3 , J Bonora  3
Affiliations

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

C Domergue et al. Appl Radiat Isot. 2018 Apr.

Abstract

Today, there is growing interest for neutrons in the intermediate energy range between 100keV and 1MeV, 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 103mRh and 93mNb 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.

Keywords: (103m)Rh; (93m)Nb; Efficiency calibration; Fluorescence; Self-attenuation; X-ray.

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