title: Direct measurement of air kerma rate in air from CDCS J-type caesium-137 therapy sources using a Farmer ionization chamber.
abstract: A simple method for directly measuring the reference air kerma rate from J-type 137Cs sources using a Farmer 2571 chamber has been evaluated. The method is useful as an independent means of verifying manufacturers' test data.
authors.affiliation: Suffolk Oncology Centre, Ipswich Hospital, UK.
authors.forename: A J
authors.initials: AJ
authors.lastname: Poynter
mesh_terms: D000388:Air; D001918:Brachytherapy; D002138:Calibration; D002588:Cesium Radioisotopes / Q000627:therapeutic use*; D006801:Humans; D011874:Radiometry / Q000295:instrumentation*; D011879:Radiotherapy Dosage
chemical_list: D002588:Cesium Radioisotopes