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Accurate simulations of TEPC neutron spectra using GEANT4.

Taylor, G C; Hawkes, N P; Shippen, A* (2015) Accurate simulations of TEPC neutron spectra using GEANT4. Radiat. Phys. Chem., 116. pp. 186-188.

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Abstract

A GEANT4 model of a tissue-equivalent proportional counter (TEPC) has been developed in which the calculated output spectrum exhibits unparalleled agreement with experiment for monoenergetic neutron fields at several energies below 20 MeV. The model uses the standard release of the GEANT4 9.6 p2 code, but with a non-standard cross section file as provided by Mendoza et al., and with the environment variable options recommended by the same authors.
In this paper, the improvements in calculated response that this configuration produces are presented, and the post-processing required to convert deposited energy into ion pairs (which is the quantity actually measured experimentally) is discussed.

Item Type: Article
Keywords: GEANT4, Monte Carlo, TEPC, Neutrons, w-values
Subjects: Ionising Radiation
Ionising Radiation > Neutron Metrology
Identification number/DOI: 10.1016/j.radphyschem.2015.06.015
Last Modified: 02 Feb 2018 13:13
URI: http://eprintspublications.npl.co.uk/id/eprint/6835

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