Comparing natural and laboratory irradiations: A simulation approach

M. Autzen*, G. Guérin, A. S. Murray, M. Jain, J. P. Buylaert

*Corresponding author for this work

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Autzen et al. (2018) observed a decrease in quartz luminescence at very high doses (several MGy) and hypothesised that this decrease was linked to a reduction in the trapped hole population as a result of their silt-sized grains (̴50 μm diameter) retaining excess electrons during irradiation. In this paper, we expand on simulations of Autzen et al. (2017) [1] to cover both natural and laboratory irradiations and for the first time couple the output of a radiation transport model (Geant4) directly to a luminescence production model (Bailey, 2001) [2] to predict the effects of charge imbalance on luminescence dosimetry measurements. We also investigate the difference in ionisation rate (i.e number of electron-hole pairs generated per unit dose) for different irradiations geometries and types and the implications that this may have on dose estimation using luminescence dosimetry.

Original languageEnglish
Article number118272
JournalJournal of Luminescence
Number of pages10
Publication statusPublished - 2021

Bibliographical note

Funding Information:
M. Autzen, and J.P. Buylaert receive funding from the European Research Council ( ERC ) under the European Union's Horizon 2020 research and innovation programme ERC-2014-StG 639904 – RELOS. We would like to thank two anonymous reviewers for helpful comments.


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