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Changes in the dose‐profile of a 10 MV x‐ray beam within and beyond low density material
Author(s) -
Kornelsen R. O.,
Young M. E. J.
Publication year - 1982
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 - 10.1118/1.595059
Subject(s) - beam (structure) , materials science , x ray , dosimetry , atomic physics , optics , physics , nuclear medicine , medicine
The degradation of the profile of 10 MV x‐ray beams and reduction in central axis dose for small fields due to loss of lateral electronic equilibrium in low density materials has been measured. The magnitude of the effect for different field sizes, depths and densities is reported.