title: Measurement of the dose equivalent of leakage radiation through an isocentric gantry used for neutron therapy.
abstract: 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.
authors.affiliation: Department of Radiation Physics, University of Texas M.D. Anderson Hospital and Tumor Institute, Houston 77030.
authors.forename: J L
authors.initials: JL
authors.lastname: Horton
authors.forename: P M
authors.initials: PM
authors.lastname: Stafford
authors.forename: P
authors.initials: P
authors.lastname: Kliauga
mesh_terms: D006801:Humans; D009502:Neutrons; D011834:Radiation Monitoring; D011878:Radiotherapy / Q000295:instrumentation* / Q000379:methods