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Characterisation of a long counter for JRC Geel

Thomas, D J; Roberts, N J (2018) Characterisation of a long counter for JRC Geel. NPL Report. IR 52

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A precision long counter, based on the design of De Pangher and Nichols, and usually referred to as a De Pangher long counter, has been assembled and characterised for neutron fluence measurements at the Joint Research Centre Geel laboratory. The instrument is based on a De Pangher long counter body that was available at NPL and a new BF3 counting tube. Efficiency and effective centre values for the instrument are presented, as a function of neutron energy, with details of the measurements and calculations that underpin these parameters that are required when deriving the neutron fluence from the counts produced by the instrument.

Item Type: Report/Guide (NPL Report)
NPL Report No.: IR 52
Keywords: Neutron detection, Long counters
Subjects: Ionising Radiation > Neutron Metrology
Divisions: Chemical, Medical & Environmental Science
Last Modified: 29 Oct 2018 11:01
URI: http://eprintspublications.npl.co.uk/id/eprint/8119

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