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Updated: Aug 15, 2026

Characterization of Recombination Effects in a Liquid Ionization Chamber Used for the Dosimetry of a Radiosurgical Accelerator
Published on: May 9, 2014
Study on the influence of the B4C layer thickness on the neutron flux and energy distribution shape in
K Tymińska1, M Maciak2, J Ośko3
1National Centre for Nuclear Research, ul. A. Sołtana7, 05-400 Otwock-Świerk, Poland katarzyna.tyminska@ncbj.gov.pl.
Abstract:
A model of a multi-electrode ionisation chamber, with polypropylene electrodes coated with a thin layer of B4C was created within Monte Carlo N-Particle Transport Code (MCNPX) and Fluktuierende Kaskade (FLUKA) codes. The influence of the layer thickness on neutron absorption in B4C and on the neutron spectra in the consecutive intra-electrode gas volumes has been studied using the MCNPX and FLUKA codes. The results will be used for designing the new type of the ionisation chamber.
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