Response of a Li-glass/multi-anode photomultiplier detector to focused proton and deuteron beams

Rofors, E. et al. (2020) Response of a Li-glass/multi-anode photomultiplier detector to focused proton and deuteron beams. Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 984, 164604. (doi: 10.1016/j.nima.2020.164604)

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Abstract

The response of a position-sensitive Li-glass based scintillation detector being developed for thermal-neutron detection with 6 mm position resolution has been investigated using focused beams of 2.5 MeV protons and deuterons. The beams were scanned across the detector in 0.5 mm horizontal and vertical steps perpendicular to the beams. Scintillation light was registered using an 8 x 8 pixel multi-anode photomultiplier tube. The signal amplitudes were recorded for each pixel on an event-by-event basis. Several pixels generally registered considerable signals at each beam location. To optimize planned detector operation at the European Spallation Source, the number of pixels above set thresholds was investigated, with the maximization of the single-hit efficiency over the largest possible area as the primary goal. For both beams, at a threshold of ~50% of the mean of the full-deposition peak, ~80% of the events were registered in a single pixel, resulting in an effective position resolution of ~5 mm in X and Y. Lower thresholds resulted in higher pixel multiplicities. These events could also be localized with the same effective position resolution.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Gardner, Mr Simon and Al Jebali, Dr Ramsey and Seitz, Dr Bjoern and Livingston, Dr Kenneth and Boyd, Laura and Annand, Dr John and Hall-Wilton, Professor Richard and Montgomery, Dr Rachel
Creator Roles:
Al Jebali, R.Conceptualization, Methodology, Investigation, Resources, Supervision
Annand, J.R.M.Conceptualization, Methodology, Software, Validation, Formal analysis, Investigation, Resources, Writing – original draft, Writing – review and editing, Visualization, Supervision
Boyd, L.Investigation
Gardner, S.Investigation
Hall-Wilton, R.Conceptualization, Resources, Supervision, Project administration, Funding acquisition
Livingston, K.Investigation
Montgomery, R.Supervision
Seitz, B.Supervision
Authors: Rofors, E., Pallon, J., Al Jebali, R., Annand, J.R.M., Boyd, L., Christensen, M.J., Clemens, U., Desert, S., Elfman, M., Engels, R., Fissum, K.G., Frielinghaus, H., Frost, R., Gardner, S., Gheorghe, C., Hall-Wilton, R., Jaksch, S., Kanaki, K., Kemmerling, G., Kristiansson, P., Livingston, K., Maulerova, V., Mauritzson, N., Montgomery, R., Perrey, H., Richter, T., Scherzinger, J., Seitz, B., and Shetty, M.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
Publisher:Elsevier
ISSN:0168-9002
ISSN (Online):1872-9576
Published Online:03 September 2020
Copyright Holders:Copyright © 2020 The Authors
First Published:First published in Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment 984: 164604
Publisher Policy:Reproduced under a Creative Commons License
Data DOI:10.5281/zenodo.3992851

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
301379Nuclear Physics Consolidated GrantDavid IrelandScience and Technology Facilities Council (STFC)ST/P004458/1P&S - Physics & Astronomy
190828EPSRC Centre for Doctoral Training in Sensing and MeasurementAndrew HarveyEngineering and Physical Sciences Research Council (EPSRC)EP/L016753/1P&S - Physics & Astronomy