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Uncertainties in ca...
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Kastlander, J.Totalförsvarets forskningsinstitut (FOI),Swedish Defence Research Agency (FOI)
(author)
Uncertainties in calculated correction factors for true coincidence-summing (TCS)
- Article/chapterEnglish2017
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LIBRIS-ID:oai:research.chalmers.se:123977ff-deb8-4077-a386-900912199342
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https://doi.org/10.1016/j.apradiso.2017.01.039DOI
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https://research.chalmers.se/publication/248367URI
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Language:English
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Summary in:English
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The aim of this work was to estimate the uncertainties in Monte Carlo calculated correction factors for true coincidence summing (TCS). In this work TCS-factors and their uncertainties were calculated for 134Cs and then the corrected activities compared to empirical data. The study was carried out using a close-end coaxial p-type detector (Ø80 mm×54.5 mm, 80% relative efficiency) and a cylindrical glass fiber sample (Ø60 mm×14 mm). It was shown that the uncertainty in the calculated correction factor for the primary gamma ray was below 0.5%, which means it will not contribute significantly to the combined uncertainty in an activity measurement for e.g. environmental monitoring.
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De Geer, L. E.Totalförsvarets forskningsinstitut (FOI),Swedish Defence Research Agency (FOI)
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Jonsson, S.Totalförsvarets forskningsinstitut (FOI),Swedish Defence Research Agency (FOI)
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Ramebäck, Henrik,1967Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)rameback
(author)
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Totalförsvarets forskningsinstitut (FOI)Chalmers tekniska högskola
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In:Applied Radiation and Isotopes: Elsevier BV122, s. 174-1790969-80431872-9800
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