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Output factors and scatter ratios

Abstract

Reference is made to a previous publication on output factors and scatter ratios for radiotherapy units in which it was suggested that the output factor should be included in the definitions of scatter-air ratio and tissue-maximum ratio. In the present correspondence from other authors and from the authors of the previous publication, the original definitions and the proposed changes are discussed. Radiation scatter from source and collimator degradation of beam energy and calculation of dose in tissue are considered in relation to the objective of accurate dosimetry.
Authors:
Shrivastava, P N; Summers, R E; Samulski, T V; Baird, L C; [1]  Ahuja, A S; Dubuque, G L; Hendee, W R; Chhabra, A S
  1. Allegheny General Hospital, Pittsburgh, PA (USA)
Publication Date:
Jul 01, 1979
Product Type:
Journal Article
Reference Number:
AIX-10-491256; EDB-80-043021
Resource Relation:
Journal Name: Phys. Med. Biol.; (United Kingdom); Journal Volume: 24:4
Subject:
61 RADIATION PROTECTION AND DOSIMETRY; DOSIMETRY; STANDARDIZED TERMINOLOGY; RADIOTHERAPY; TISSUES; AIR; COLLIMATORS; DEPTH DOSE DISTRIBUTIONS; DOSE RATES; MATHEMATICAL MODELS; PHANTOMS; RADIATION DOSES; RADIATION SOURCES; RADIATIONS; SCATTERING; BODY; DOSES; FLUIDS; GASES; MEDICINE; MOCKUP; NUCLEAR MEDICINE; RADIATION DOSE DISTRIBUTIONS; RADIOLOGY; SPATIAL DOSE DISTRIBUTIONS; STRUCTURAL MODELS; THERAPY; 655001* - Medical Physics- Radiation Protection Standards; 655003 - Medical Physics- Dosimetry
OSTI ID:
5634933
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: PHMBA
Submitting Site:
INIS
Size:
Pages: 818-824
Announcement Date:

Citation Formats

Shrivastava, P N, Summers, R E, Samulski, T V, Baird, L C, Ahuja, A S, Dubuque, G L, Hendee, W R, and Chhabra, A S. Output factors and scatter ratios. United Kingdom: N. p., 1979. Web. doi:10.1088/0031-9155/24/4/014.
Shrivastava, P N, Summers, R E, Samulski, T V, Baird, L C, Ahuja, A S, Dubuque, G L, Hendee, W R, & Chhabra, A S. Output factors and scatter ratios. United Kingdom. doi:10.1088/0031-9155/24/4/014.
Shrivastava, P N, Summers, R E, Samulski, T V, Baird, L C, Ahuja, A S, Dubuque, G L, Hendee, W R, and Chhabra, A S. 1979. "Output factors and scatter ratios." United Kingdom. doi:10.1088/0031-9155/24/4/014. https://www.osti.gov/servlets/purl/10.1088/0031-9155/24/4/014.
@misc{etde_5634933,
title = {Output factors and scatter ratios}
author = {Shrivastava, P N, Summers, R E, Samulski, T V, Baird, L C, Ahuja, A S, Dubuque, G L, Hendee, W R, and Chhabra, A S}
abstractNote = {Reference is made to a previous publication on output factors and scatter ratios for radiotherapy units in which it was suggested that the output factor should be included in the definitions of scatter-air ratio and tissue-maximum ratio. In the present correspondence from other authors and from the authors of the previous publication, the original definitions and the proposed changes are discussed. Radiation scatter from source and collimator degradation of beam energy and calculation of dose in tissue are considered in relation to the objective of accurate dosimetry.}
doi = {10.1088/0031-9155/24/4/014}
journal = {Phys. Med. Biol.; (United Kingdom)}
volume = {24:4}
journal type = {AC}
place = {United Kingdom}
year = {1979}
month = {Jul}
}