Roberts, N J; Thiam, C; Capogni, M; Silvi, L (2021) Subsequent comparison of measurements of neutron Source emission rate (2016-17) – CCRI(III)-K9.AmBe.2. Metrologia, 58 (1A). 06025

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Abstract

Section III (neutron measurements) of the Comité Consultatif des Rayonnements Ionisants, CCRI, conducted a subsequent comparison of primary measurements of the neutron emission rate of an 241Am-Be(a,n) radionuclide source. The aim of this comparison was to compare primary measurements of the neutron emission rate of an 241Am-Be(a,n) radionuclide source for laboratories who were outliers in the previous comparison (K9.AmBe) or who were unable to participate. Three laboratories participated – LNHB (France), ENEA-INMRI (Italy) and NPL (UK) – with NPL as the pilot institute and the link to the K9.AmBe comparison. Measurements were made in 2016-17. Each laboratory reported the neutron emission rate into 4p sr together with a detailed uncertainty budget. All participants used the manganese bath technique.

Item Type:	Article
Keywords:	Manganese Bath Neutron emission rate Neutron sources Anisotropy Key comparison
Subjects:	Ionising Radiation > Neutron Metrology
Divisions:	Medical, Marine & Nuclear
Identification number/DOI:	10.1088/0026-1394/58/1A/06025
Last Modified:	14 Jan 2022 14:57
URI:	https://eprintspublications.npl.co.uk/id/eprint/9317