Thomas, D J; Bunce, M (2022) Features of the neutron spectra produced using the tritium targets currently available for neutron production with the T(d,n)4He reaction at NPL - June 2022. NPL Report. IR 62

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Abstract

Targets consisting of tritium absorbed in thin layers of titanium are used at NPL to produce neutrons via the T(d,n)3He reaction. Deuteron beams are produced using the NPL 3.5 MV Van de Graaff accelerator, and up until recently this accelerator could not operate at potentials below about 1 MeV. Recent changes have allowed lower voltage operation and the production of deuterium beams down to about 500 keV. This, and the fact that a new tritium target with higher tritium content is available, have initiated an investigation of the neutron spectra now achievable with the T(d,n)3He reaction. These are documented in this report which also includes an investigation of the most appropriate fluence to dose equivalent conversion factors to use for these spectra.

Item Type:	Report/Guide (NPL Report)
NPL Report No.:	IR 62
Subjects:	Ionising Radiation > Neutron Metrology
Divisions:	Medical, Marine & Nuclear
Identification number/DOI:	10.47120/npl.IR62
Last Modified:	17 Oct 2022 10:29
URI:	https://eprintspublications.npl.co.uk/id/eprint/9522