Title

A novel technique for compensation of space charge effects in the LUPIN-II detector

RIS ID

103418

Publication Details

Cassell, C., Ferrarini, M., Rosenfeld, A. & Caresana, M. (2015). A novel technique for compensation of space charge effects in the LUPIN-II detector. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 804 113-117.

Abstract

A new method for improving REM counter performance in Pulsed Neutron Fields (PNFs) has been developed. This method uses an analysis of the build-up of space charge in the counter to compensate for an underestimation of Ambient Dose Equivalent (H∗(10)) in intense pulsed fields. It was applied to three sets of experimental data acquired using the LUPIN-II REM counter device, which is designed for use in PNFs. The data was acquired using the cyclotron at Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), at the HiRadMat facility at CERN and at the 'Elettra Sincrotrone Trieste' (ELETTRA), Italy. A comparison of the data with and without this compensation method is used to highlight its effectiveness. The LUPIN-II performance, which has already been shown to be able to cope with fields of up to hundreds of nSv/burst, is improved by at least one order of magnitude, with further potential for improvement.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.nima.2015.09.062