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Variations in photon energy spectra of a 6 MV beam and their impact on TLD response.

Authors
Type
Published Article
Journal
Medical Physics
0094-2405
Publisher
Wiley Blackwell (John Wiley & Sons)
Publication Date
Volume
38
Issue
5
Pages
2619–2628
Identifiers
PMID: 21776799
Source
Medline
License
Unknown

Abstract

It is generally acceptable to ignore the impact of variations in the photon spectrum on the measured dose for locations within the treatment field. However, outside the treatment field, the spectra are much softer, and a correction factor is generally appropriate. The results of this work have determined values for this factor, which range from 0.88 to 0.99 depending on the specific irradiation conditions.

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