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Low-level atmospheric radioactivity measurement using a NaI(Tl) spectrometer during aerosol sampling

M. Hýža, P. Rulík,

. 2017 ; 126 (-) : 225-227. [pub] 20161222

Language English Country England, Great Britain

Document type Journal Article

Persistent link   https://www.medvik.cz/link/bmc18034028

In order to increase the early warning ability of the radiation monitoring network of the Czech republic, a high-volume aerosol sampler was upgraded with a NaI(Tl) probe placed directly above the aerosol filter. The paper demonstrates the possibility of using a method based on principal component regression to accurately subtract the complicated natural background caused by radon decay products. This approach yielded minimum detectable activities of 8mBq/m3, 3mBq/m3 and 7mBq/m3 for 131I, 134Cs and 137Cs, respectively, after 24h of sampling.

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