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Photon doses in NPL standard neutron fields.

Roberts, N J; Horwood, N A; McKay, C J (2014) Photon doses in NPL standard neutron fields. Radiat. Prot. Dosim., 161 (1-4). pp. 157-160.

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Abstract

Standard neutron fields are invariably accompanied by a photon component due to the neutron generating reactions and secondary neutron interactions in the surrounding environment. A set of energy-compensated GM tubes and EPD electronic personal dosemeters have been used to measure the photon dose rates in a number of standard radionuclide and accelerator-based neutron fields. The GM tubes were first characterised in standard radioisotope and x-ray photon fields, and then modelled using MCNP to determine their photon dose response as a function of energy. Values for the photon to neutron dose equivalent ratios are presented and compared with other published values.

Item Type: Article
Keywords: GM tubes, Electronic Personal Dosemeters, Radionuclide neutron sources, Photon dose, Monoenergetic neutrons
Subjects: Ionising Radiation
Ionising Radiation > Neutron Metrology
Identification number/DOI: 10.1093/rpd/nct249
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/6373

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