Barry, M; Shipley, D; Bass, G (2023) Calculating electron perturbation factors for Roos and NACP-02 ionisation chambers. NPL Report. IR 63

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Abstract

Recent changes recommended in the ICRU Report 90 document (updated from ICRU Report 37) were implemented into the measurement services provided by NPL. With respect to the therapy-level electron calibration service, perturbation factors (to account for the cavity and chamber wall material) needed to be updated. New stopping power ratios were also calculated. This report outlines the relevant Monte Carlo simulations carried out for this purpose.

Item Type:	Report/Guide (NPL Report)
NPL Report No.:	IR 63
Subjects:	Ionising Radiation > Dosimetry
Divisions:	Medical, Marine & Nuclear
Identification number/DOI:	10.47120/npl.IR63
Last Modified:	21 Aug 2023 14:18
URI:	https://eprintspublications.npl.co.uk/id/eprint/9796