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A precision time of flight readout system for the TORCH prototype detector

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Gao, R., Bhasin, S., Blake, Thomas, Brook, N., Cicala, M. F., Conneely, T., Cussans, D., Forty, R., Frei, C., Gabriel, E. et al.
(2022) A precision time of flight readout system for the TORCH prototype detector. Journal of Instrumentation, 17 (5). C05015. doi:10.1088/1748-0221/17/05/c05015

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Official URL: https://doi.org/10.1088/1748-0221/17/05/c05015

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Abstract

The TORCH detector provides low-momentum particle identification, combining Time of Flight (TOF) and Cherenkov techniques to achieve charged particle pi/K/p separation between 2–20 GeV/c over a flight distance of 10 m. The measurement requires a timing resolution of 70 ps for single Cherenkov photons. For precision photon detection, customised Micro-Channel Plate Photomultiplier Tubes (MCP-PMTs) with high precision TOF measurement electronics have been developed. The electronics measures time-over-threshold from the MCP-PMT and features a 10-Gigabit Ethernet readout. This paper reports the design and performance of a 5120-channel system which currently instruments a pair of MCP-PMTs, but has the capacity to read out ten customised MCP-PMT devices in the future.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
SWORD Depositor: Library Publications Router
Library of Congress Subject Headings (LCSH): Cherenkov counters , Particles (Nuclear physics)
Journal or Publication Title: Journal of Instrumentation
Publisher: IOP Publishing Ltd
ISSN: 1748-0221
Official Date: 12 May 2022
Dates:
DateEvent
12 May 2022Published
25 February 2022Accepted
Volume: 17
Number: 5
Article Number: C05015
DOI: 10.1088/1748-0221/17/05/c05015
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
299175 Seventh Framework Programmehttp://dx.doi.org/10.13039/100011102
ST/P002692/1[STFC] Science and Technology Facilities Councilhttp://dx.doi.org/10.13039/501100000271

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