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An algorithm to include the bremsstrahlung component in the determination of the absorbed dose in electron beams

Abstract

Currently used dosimetry protocols for absolute dose determination of electron beams from accelerators in radiation therapy do not account for the effect of the bremsstrahlung contamination of the beam. This results in slightly erroneous doses calculated from ionization chamber measurements. In this report the deviation is calculated and an improved algorithm, which accounts for the effect of the bremsstrahlung component of the beam, is suggested. (author). 14 refs, 2 figs, 1 tab.
Authors:
Klevenhagen, S C [1] 
  1. The Royal London Hospital, London (United Kingdom). Medical Physics Dept.
Publication Date:
Aug 01, 1996
Product Type:
Conference
Report Number:
IAEA-TECDOC-896; CONF-940864-
Reference Number:
SCA: 560101; 440100; PA: AIX-28:017931; EDB-97:029752; SN: 97001735772
Resource Relation:
Conference: Interregional seminar on radiotherapy dosimetry: radiation dose in radiotherapy from prescription to delivery, Rio de Janeiro (Brazil), 27-30 Aug 1994; Other Information: PBD: Aug 1996; Related Information: Is Part Of Radiation dose in radiotherapy from prescription to delivery; PB: 293 p.
Subject:
56 BIOLOGY AND MEDICINE, APPLIED STUDIES; 44 INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS; BREMSSTRAHLUNG; ALGORITHMS; ELECTRON BEAMS; DOSIMETRY; RADIATION DOSES; RADIATION PROTECTION; RADIOTHERAPY
OSTI ID:
429929
Research Organizations:
International Atomic Energy Agency, Vienna (Austria)
Country of Origin:
IAEA
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 1011-4289; Other: ON: DE97614216; TRN: XA9642855017931
Availability:
INIS; OSTI as DE97614216
Submitting Site:
INIS
Size:
pp. 159-164
Announcement Date:

Citation Formats

Klevenhagen, S C. An algorithm to include the bremsstrahlung component in the determination of the absorbed dose in electron beams. IAEA: N. p., 1996. Web.
Klevenhagen, S C. An algorithm to include the bremsstrahlung component in the determination of the absorbed dose in electron beams. IAEA.
Klevenhagen, S C. 1996. "An algorithm to include the bremsstrahlung component in the determination of the absorbed dose in electron beams." IAEA.
@misc{etde_429929,
title = {An algorithm to include the bremsstrahlung component in the determination of the absorbed dose in electron beams}
author = {Klevenhagen, S C}
abstractNote = {Currently used dosimetry protocols for absolute dose determination of electron beams from accelerators in radiation therapy do not account for the effect of the bremsstrahlung contamination of the beam. This results in slightly erroneous doses calculated from ionization chamber measurements. In this report the deviation is calculated and an improved algorithm, which accounts for the effect of the bremsstrahlung component of the beam, is suggested. (author). 14 refs, 2 figs, 1 tab.}
place = {IAEA}
year = {1996}
month = {Aug}
}