Algorithm development for low level radioxenon 2D spectra analysis: A first case of study using spectral unmixing for a β-γ detector

C.P Mano,C Chapelle,A Der Mesrobian Kabakian,P Gross,H Paradis,O Delaune,L Patryl

doi:10.1016/j.apradiso.2023.111079

Algorithm development for low level radioxenon 2D spectra analysis: A first case of study using spectral unmixing for a β-γ detector

C.P Mano, C Chapelle + Show 5 more

https://doi.org/10.1016/j.apradiso.2023.111079

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Journal: Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Publication Date: Oct 21, 2023

Affiliation: Atomic Energy and Alternative Energies Commission

#Comprehensive Nuclear Test Ban Treaty #Spectral Unmixing + Show 8 more

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Abstract

In the scope of the verification regime of the Comprehensive nuclear Test Ban Treaty, the CEA/DAM is developing new β-γ measurement systems. In order to improve the analysis methods at low statistics, a new multiplicative spectral unmixing algorithm for full-spectrum analysis was tested on a particular setup for different types of mixtures. The reconstructed activities for simulated spectra and the characteristic limits found with this algorithm are compared to the classic ROI analysis method.

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