Digital coincidence counting with 4πβ(PPC)-γ for the standardization of 60Co

A 4πβ(PPC)-γ coincidence system has been made at KRISS based on a digital DAQ. 60Co sources were measured to verify the system. The maximum detection efficiency for beta particles was estimated to be 96.7 %. Massic activities for sample sources had 0.005 % of the sample variability error, which was...

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Bibliographic Details
Published in:Applied radiation and isotopes 2024-03, Vol.205, p.111173-111173, Article 111173
Main Authors: Han, Minji, Hwang, Sanghoon, Agusbudiman, Agung, Lee, J.M., Lee, K.B., Kim, B.C., Heo, D.H., Kim, T.H.
Format: Article
Language:English
Subjects:
4πβ(PPC)-γ coincidence system
60Co
Digital coincidence system
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Summary:A 4πβ(PPC)-γ coincidence system has been made at KRISS based on a digital DAQ. 60Co sources were measured to verify the system. The maximum detection efficiency for beta particles was estimated to be 96.7 %. Massic activities for sample sources had 0.005 % of the sample variability error, which was well within the expanded standard uncertainty of 0.54 % (k = 2). •Highlights paper 100 M. Han et al.: :•A 4πβ(PPC)-γ coincidence system has been made based on a digital DAQ.•The maximum efficiency of beta detector for 60Co has been calculated as 96.7 %.•The expanded standard uncertainty for the massic activity of 60Co was 0.54 % (k = 2).
ISSN:0969-8043
1872-9800
DOI:10.1016/j.apradiso.2024.111173