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An investigation into a suitable scintillator for localising neutron capture within a detector

Research output: Contribution to journalJournal article

Published

Article numberP01007
<mark>Journal publication date</mark>01/2014
<mark>Journal</mark>Journal of Instrumentation
Issue1
Volume9
<mark>Original language</mark>English

Abstract

Using Monte-Carlo modelling, an investigation into a suitable loaded scintillator for localising neutron capture in a novel neutron survey meter has been undertaken. A comparison of estimated neutron capture location in a scintillator with Geant4 and MCNP simulations was undertaken and a good general agreement between the two models was observed. The interactions of γ emissions from neutron capture in the scintillator are investigated. The results show that the γ emission from neutron capture will not aid neutron capture localisation and will only inhibit it. It is observed that the lithium-loaded scintillator has the lowest neutron capture efficiency when compared with boron and gadolinium scintillators. However, it is the most promising of the detectors investigated in this research for use in a novel neutron survey meter design.

Bibliographic note

Date of Acceptance: 20/12/2013 This is an author-created, un-copyedited version of an article accepted for publication/published in Journal of Instrumentation. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi: 10.1088/1748-0221/9/01/P01007