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Intercomparison of 192Ir brachytherapy source measurement in UK hospitals, 1997.

Jerome, S M; Ciocanel, M; Bass, G A; Woods, M J (1997) Intercomparison of 192Ir brachytherapy source measurement in UK hospitals, 1997. NPL Report. CIRM 9

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Abstract

An exercise to intercompare the measurement of 192Jr brachytherapy sources has been completed and the results indicate that participants were able to measure the air kerma rate (AKR) of the sources with reasonable accuracy. However, it is noted that; (a) 60% of the results can be unequivocally accepted, 11% are rejected as being definitely discrepant; (b) there is a general low bias on the results; (c) there appears to be no particular instrument bias; (d) there needs to be a fuller consideration of measurement uncertainties by the users; (e) there was a wide range of reference data used; and, (f) calibration of the instrumentation relies in many cases, on manufacturer supplied data.
It is recommended that the exercise is repeated in the near future, and that the use of thick ('hairpin') wires is included in the next exercise.

Item Type: Report/Guide (NPL Report)
NPL Report No.: CIRM 9
Subjects: Ionising Radiation
Ionising Radiation > Radioactivity
Last Modified: 02 Feb 2018 13:18
URI: http://eprintspublications.npl.co.uk/id/eprint/809

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