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<p>Previously published data on ratios of absorbed dose in thermoluminescence dosimeters (TLD) placed inside brick walls to dose in brick material were revisited and analysed. It is shown that for certain TLD setups the dose ratio, determined for monoenergetic radiation sources and averaged over realistic photon spectra, significantly differs from the ratio of average doses in TLD and brick independently calculated for the same photon spectrum. For natural and anthropogenic radionuclides, the difference is approximately 10–15% for Al-coated TLD and 20–30% for Cu-coated ones. The spectrum-averaged ratio is recognised as an approximation and, therefore, its use is discouraged, so the new data provided here are meant to supersede those previously published.</p>

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A mean ratio or a ratio of means - A commentary on the paper of Ulanowski et al. (2021) “Absorbed doses in bricks and TL-dosimeters due to anthropogenic and natural environmental radiation sources”

  • 期刊论文

  • 发表日期：

    2025年10月30日

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  • A. Ulanowski,
  • C. Woda,
  • M. Hiller,
  • M. Discher

摘要

Previously published data on ratios of absorbed dose in thermoluminescence dosimeters (TLD) placed inside brick walls to dose in brick material were revisited and analysed. It is shown that for certain TLD setups the dose ratio, determined for monoenergetic radiation sources and averaged over realistic photon spectra, significantly differs from the ratio of average doses in TLD and brick independently calculated for the same photon spectrum. For natural and anthropogenic radionuclides, the difference is approximately 10–15% for Al-coated TLD and 20–30% for Cu-coated ones. The spectrum-averaged ratio is recognised as an approximation and, therefore, its use is discouraged, so the new data provided here are meant to supersede those previously published.