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Veronese, I.* ; Giussani, A.* ; Göksu, H.Y.

Limits of thermoluminescence dosimetry using quartz extracted from recent building materials in urban settlements.

J. Environ. Radioact. 86, 319-336 (2006)
Open Access Green as soon as Postprint is submitted to ZB.
The luminescence of quartz extracted from recently fired building material is known to detect doses of few mGy and can be successfully employed in the case of large scale radiation exposures due to nuclear accidents or terrorist acts. One brick and two tiles (50-80 years range) collected from an urban settlement were used to test the realistic minimum detectable dose limits of retrospective luminescence dosimetry. Independent methods like alpha counting, beta dosimetry, gamma spectrometry and flame photometry were used for the annual dose assessment. Two approaches were employed for the evaluation of the total accrued dose: regenerative dose and additive dose. The former allows the assessment of doses due to anthropogenic sources of radiation as low as approximately 12 mGy by using 10-year-old samples, but it can be applied only in samples showing no sensitisation. The latter can be applied to any sample, however, the related uncertainty is higher and minimum detectable anthropogenic dose in young samples amounts to 20 mGy.
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Publication type Article: Journal article
Document type Scientific Article
Keywords thermoluminescence; dosimetry; quartz; recent building materials
ISSN (print) / ISBN 0265-931X
e-ISSN 0265-931X
Quellenangaben Volume: 86, Issue: 3, Pages: 319-336 Article Number: , Supplement: ,
Publisher Elsevier
Reviewing status Peer reviewed