Development of a prototype hybrid L-edge/L-XRF densitometer for nuclear fuel assay

Sungyeop Joung; Seunghoon Park

doi:10.1016/j.apradiso.2017.12.022

Development of a prototype hybrid L-edge/L-XRF densitometer for nuclear fuel assay

Appl Radiat Isot. 2018 Mar:133:81-84. doi: 10.1016/j.apradiso.2017.12.022. Epub 2017 Dec 28.

Authors

Sungyeop Joung¹, Seunghoon Park²

Affiliations

¹ Korea Institute of Nuclear Nonproliferation and Control, Yuseong-daero 1534, Yuseong-gu, Daejeon 34054, Republic of Korea.
² Korea Institute of Nuclear Nonproliferation and Control, Yuseong-daero 1534, Yuseong-gu, Daejeon 34054, Republic of Korea. Electronic address: shpark@kinac.re.kr.

PMID: 29294419
DOI: 10.1016/j.apradiso.2017.12.022

Abstract

The hybrid L-edge/L-XRF densitometer (HLED) was developed for on-site nuclear fuel assays intended for safeguards purpose. The HLED can simultaneously measure both X-ray photon transmissions and characteristic X-ray emissions, which characterizes the elemental composition of samples of interest to determine the concentration of actinide-bearing materials, such as plutonium and uranium, in a nuclear fuel. A prototype of the HLED equipment was fabricated and tested to study the feasibility of nuclear material assays using a surrogate material (lead) to avoid radiation effects from nuclear materials. The uncertainty of the L-edge and L-XRF characteristics of the sample material are discussed in the article.

Keywords: L-XRF; L-edge; Nuclear material solution; X-ray absorption; X-ray fluorescence.