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Comparison of doses calculated by Monte Carlo method and measured by LiF TLD in the buildup region for a 60Co photon beam

Budanec, Mirjana; Knežević, Željka; Bokulić, Tomislav; Mrčela, Iva; Vrtar, Mladen; Vekić, Branko; Kusić, Zvonko (2008) Comparison of doses calculated by Monte Carlo method and measured by LiF TLD in the buildup region for a 60Co photon beam. Applied Radiation and Isotopes, 66 (12). pp. 1925-1929. ISSN 0969-8043

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Abstract

This work studied the percent depth doses of 60Co photon beams in the buildup region of a plastic phantom by LiF TLD measurements and by Monte Carlo calculations. An agreement within ± 1.5% was found between PDDs measured by TLD and calculated by the Monte Carlo method with the TLD in a plastic phantom. The dose in the plastic phantom was scored in voxels with thickness scaled by physical and electron density. PDDs calculated by electron density scaling showed a better match with PDD(MC, TLD) ; the difference is within ± 1.5% in the buildup region for square and rectangular field sizes.

Item Type: Article
Uncontrolled Keywords: Dose buildup; LiF TLD; Monte Carlo simulation
Subjects: NATURAL SCIENCES > Physics
NATURAL SCIENCES > Chemistry
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Radiation Science
BIOMEDICINE AND HEALTHCARE > Clinical Medical Sciences
Divisions: Division of Materials Chemistry
Projects:
Project titleProject leaderProject codeProject type
Fizičko-kemijski učinci ionizirajućih zračenja u materijalima[120481] Branka Mihaljević098-0982904-2954MZOS
Depositing User: Željka Knežević Medija
Date Deposited: 07 May 2015 13:46
Last Modified: 07 May 2015 13:46
URI: http://fulir.irb.hr/id/eprint/1837
DOI: 10.1016/j.apradiso.2008.04.021

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