Roberts, N J; Bennett, A; Cheema, S S (2023) Photon spectra in NPL standard monoenergetic neutron fields. Radiation Protection Dosimetry, 199 (15-16). pp. 1685-1688.

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Abstract

A High Purity Germanium (HPGe) detector has been used to measure the photon spectra in the majority of monoenergetic neutron fields produced at NPL (0.144, 0.250, 0.565, 2.0, 5.0 and 16.5 MeV). The HPGe was characterized then modelled to produce a response matrix. The measured pulse height spectra were then unfolded to produce photon fluence spectra. The new spectra were used to improve the photon to neutron dose equivalent ratios from some earlier work at NPL with Geiger-Muller (GM) tubes and electronic personal dosemeters (EPDs).

Item Type:	Article
Keywords:	HPGe detectors, Monoenergetic neutrons, Photon dose, photon spectra, unfolding
Subjects:	Ionising Radiation > Neutron Metrology
Divisions:	Medical, Marine & Nuclear
Identification number/DOI:	10.1093/rpd/ncad023
Last Modified:	15 Jan 2024 15:08
URI:	https://eprintspublications.npl.co.uk/id/eprint/9900