Translation of the absorbed dose in the mobile phone to organ doses of an ICRP voxel phantom using MCNPX simulation of an Ir-192 point source

M. Discher; J. Eakins; C. Woda; R. Tanner

doi:10.1016/j.radmeas.2021.106603

Translation of the absorbed dose in the mobile phone to organ doses of an ICRP voxel phantom using MCNPX simulation of an Ir-192 point source

M. Discher^*, J. Eakins, C. Woda, R. Tanner

^*Corresponding author for this work

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Abstract

Monte Carlo modelling has been performed to simulate aspects of the CATO exercise, which recreated the exposure of individuals on a bus to an Ir-192 point source. The modelling allowed a comparison and check of the measured data provided in (Rojas-Palma et al., 2020; Discher et al., 2021), and an investigation into the dose conversion coefficients that are required in order to use fortuitous dosemeters as indicators of absorbed doses to individuals; a conversion factor of 0.22 ± 0.01 was found to be appropriate to relate the phone dose to the average organ dose. The modelling also allowed some of the parameters of the experiment to be varied, and their impacts explored. In general, measured and modelled data agreed acceptably, with similar average doses and broadly similar variations in the results as a function of organ type.

Original language	English
Article number	106603
Number of pages	8
Journal	Radiation Measurements
Volume	146
Early online date	29 May 2021
DOIs	https://doi.org/10.1016/j.radmeas.2021.106603
Publication status	Published - Aug 2021

Bibliographical note

Funding Information: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

The authors want to thank Jan Jansen (PHE) for providing the voxel phantom code in MCNPX format, and Jérémie Dabin (SCK-CEN) for providing the experimental results (TL dosemeters) of the anthropomorphic phantom in the CATO field experiment. The visit of Michael Discher to Public Health England was gratefully supported by the EURADOS e.V. Research Grant (2014).

Open Access: This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

Publisher Copyright: © 2021 The Authors

Citation: M. Discher, J. Eakins, C. Woda, R. Tanner, Translation of the absorbed dose in the mobile phone to organ doses of an ICRP voxel phantom using MCNPX simulation of an Ir-192 point source, Radiation Measurements, Volume 146, 2021, 106603, ISSN 1350-4487,

DOI: https://doi.org/10.1016/j.radmeas.2021.106603.

Keywords

Conversion factor
ICRP voxel Phantom
Mobile phone
Organ dose
Retrospective dosimetry
QUANTITIES
LUMINESCENCE
RETROSPECTIVE DOSIMETRY
ELECTRONIC COMPONENTS
BODY

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10.1016/j.radmeas.2021.106603Licence: CC BY

Discher2021Translation OfThe AbsorbedDoseInTheMobilePhoneRadiatMeasFinal published version, 1.73 MBLicence: CC BY

Cite this

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title = "Translation of the absorbed dose in the mobile phone to organ doses of an ICRP voxel phantom using MCNPX simulation of an Ir-192 point source",

abstract = "Monte Carlo modelling has been performed to simulate aspects of the CATO exercise, which recreated the exposure of individuals on a bus to an Ir-192 point source. The modelling allowed a comparison and check of the measured data provided in (Rojas-Palma et al., 2020; Discher et al., 2021), and an investigation into the dose conversion coefficients that are required in order to use fortuitous dosemeters as indicators of absorbed doses to individuals; a conversion factor of 0.22 ± 0.01 was found to be appropriate to relate the phone dose to the average organ dose. The modelling also allowed some of the parameters of the experiment to be varied, and their impacts explored. In general, measured and modelled data agreed acceptably, with similar average doses and broadly similar variations in the results as a function of organ type.",

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author = "M. Discher and J. Eakins and C. Woda and R. Tanner",

note = "Funding Information: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. The authors want to thank Jan Jansen (PHE) for providing the voxel phantom code in MCNPX format, and J{\'e}r{\'e}mie Dabin (SCK-CEN) for providing the experimental results (TL dosemeters) of the anthropomorphic phantom in the CATO field experiment. The visit of Michael Discher to Public Health England was gratefully supported by the EURADOS e.V. Research Grant (2014). Open Access: This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Publisher Copyright: {\textcopyright} 2021 The Authors Citation: M. Discher, J. Eakins, C. Woda, R. Tanner, Translation of the absorbed dose in the mobile phone to organ doses of an ICRP voxel phantom using MCNPX simulation of an Ir-192 point source, Radiation Measurements, Volume 146, 2021, 106603, ISSN 1350-4487, DOI: https://doi.org/10.1016/j.radmeas.2021.106603.",

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AB - Monte Carlo modelling has been performed to simulate aspects of the CATO exercise, which recreated the exposure of individuals on a bus to an Ir-192 point source. The modelling allowed a comparison and check of the measured data provided in (Rojas-Palma et al., 2020; Discher et al., 2021), and an investigation into the dose conversion coefficients that are required in order to use fortuitous dosemeters as indicators of absorbed doses to individuals; a conversion factor of 0.22 ± 0.01 was found to be appropriate to relate the phone dose to the average organ dose. The modelling also allowed some of the parameters of the experiment to be varied, and their impacts explored. In general, measured and modelled data agreed acceptably, with similar average doses and broadly similar variations in the results as a function of organ type.

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Translation of the absorbed dose in the mobile phone to organ doses of an ICRP voxel phantom using MCNPX simulation of an Ir-192 point source

Abstract

Bibliographical note

Keywords

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