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Measurement of dose enhancement close to high atomic number media using optical fibre thermoluminescence dosimeters

Alalawi, AI, Nisbet, Andrew, Alzimami, KS, Bradley, David, Hugtenburg, RP, Abdul Rahman, AT and Barry, MA (2014) Measurement of dose enhancement close to high atomic number media using optical fibre thermoluminescence dosimeters Radiation Physics and Chemistry, 95. pp. 145-147.

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Abstract

Present interest concerns development of a system to measure photoelectron-enhanced dose close to a tissue interface using analogue gold-coated doped silica-fibre thermoluminescence detectors and an X-ray set operating at 250. kVp. Study is made of the dose enhancement factor for various thicknesses of gold; measurements at a total gold thickness of 160. nm (accounting for incident and exiting photons) produces a mean measured dose enhancement factor of 1.33±0.01 To verify results, simulations of the experimental setup have been performed. © 2013 Elsevier Ltd.

Item Type: Article
Authors :
NameEmailORCID
Alalawi, AIUNSPECIFIEDUNSPECIFIED
Nisbet, AndrewA.Nisbet@surrey.ac.ukUNSPECIFIED
Alzimami, KSUNSPECIFIEDUNSPECIFIED
Bradley, DavidD.A.Bradley@surrey.ac.ukUNSPECIFIED
Hugtenburg, RPUNSPECIFIEDUNSPECIFIED
Abdul Rahman, ATUNSPECIFIEDUNSPECIFIED
Barry, MAUNSPECIFIEDUNSPECIFIED
Date : February 2014
Identification Number : 10.1016/j.radphyschem.2013.05.017
Depositing User : Symplectic Elements
Date Deposited : 21 Jul 2017 12:27
Last Modified : 31 Oct 2017 16:56
URI: http://epubs.surrey.ac.uk/id/eprint/806056

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