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Measurement of the dose equivalent of leakage radiation through an isocentric gantry used for neutron therapy
Author(s) -
Horton J. L.,
Stafford P. M.,
Kliauga P.
Publication year - 1988
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 - 10.1118/1.596215
Subject(s) - leakage (economics) , radiation , electromagnetic shielding , neutron , equivalent dose , linear particle accelerator , materials science , irradiation , nuclear medicine , nuclear physics , nuclear engineering , physics , optics , medicine , engineering , beam (structure) , economics , composite material , macroeconomics
The leakage radiation through the shielding on an isocentric gantry of a neutron therapy machine was measured with a Rossi‐type proportional counter. The dose equivalent of the leakage radiation was determined at two positions: (1) in the plane of the patient and (2) in the plane of the target. The dose equivalent of the leakage radiation is approximately the same as the leakage of a high‐energy x‐ray linac.

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