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Voltage, energy, and material dependence of secondary radiation
Author(s) -
Burgess A. E.,
Pate G.
Publication year - 1981
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 - 10.1118/1.594904
Subject(s) - imaging phantom , radiation , compton scattering , optics , photon , physics , photon energy , materials science , scattering , dosimetry , nuclear medicine , medicine
Measurement results of the relative contribution of primary and secondary radiation are presented. Measurements were done with both monoenergetic and broad spectrum x‐ray beams. A variety of phantoms were used: graphite, water, lucite, a skull phantom, and aluminum. We found that the primary radiation fraction is nearly independent of photon energy and tube potential. Calculations using a simple single Compton scattering model agree with the experiment results.