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Verification data for electron beam dose algorithms
Author(s) -
Shiu Almon S.,
Tung Samuel,
Hogstrom Kenneth R.,
Wong John W.,
Gerber Russell L.,
Harms William B.,
Purdy James A.,
Haken Randall K. Ten,
McShan Daniel L.,
Fraass Benedick A.
Publication year - 1992
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.596808
Subject(s) - imaging phantom , cathode ray , beam (structure) , electron , planar , dosimetry , diode , physics , detector , nuclear medicine , computational physics , materials science , optics , computer science , nuclear physics , medicine , optoelectronics , computer graphics (images)
The Collaborative Working Group (CWG) of the National Cancer Institute (NCI) electron beam treatment planning contract has performed a set of 14 experiments that measured dose distributions for 28 unique beam‐phantom configurations that simulated various patient anatomic structures and beam geometries. Multiple dose distributions were measured with film or diode detectors for each configuration, resulting in 78, 2‐D planar dose distributions and one, 1‐D depth‐dose distribution. Measurements were made for 9‐ and 20‐MeV electron beams, using primarily 6×6‐ and 15×15‐cm applicators at several SSDs. Dose distributions were measured for shaped fields, irregular surfaces, and inhomogeneities (1‐D, 2‐D, and 3‐D), which were designed to simulate many clinical electron treatments. The data were corrected for asymmetries, and normalized in an absolute manner. This set of measured data can be used for verification of electron beam dose algorithms and is available to others for that purpose.