Status of the TORCH time-of-flight detector

N. Harnew, N. H. Brook, L. Castillo García, D. Cussans, M. W. U. Van Dijk, K. Föhl, R. Forty, C. Frei, R. Gao, T. Gys, T. H. Hancock, D. Piedigrossi, J. Rademacker, A. Ros García

Research output: Contribution to journalArticlepeer-review

2 Citations (SciVal)

Abstract

The TORCH time-of-flight detector is designed for large-area coverage, up to 30 m2, to provide particle identification between 2-10 GeV/c momentum over a flight distance of 10 m. The arrival times from Cherenkov photons produced within a quartz radiator plate of 10 mm thickness are combined to achieve a 15 ps time-of-flight resolution per incident particle. Micro-Channel Plate Photomultiplier Tube (MCP-PMT) detectors of 53 × 53 mm2 active area have been developed with industrial partners for the TORCH application. The MCP-PMT is read out using charge division to give a 128 × 8 effective granularity. Laboratory results of development MCP-PMTs will be described, and testbeam studies using a small-scale TORCH prototype module will be presented.

Original languageEnglish
Article numberC11026
JournalJournal of Instrumentation
Volume12
Issue number11
DOIs
Publication statusPublished - 23 Nov 2017

Keywords

  • Cherenkov detectors
  • Particle identification methods
  • Photon detectors for UV, visible and IR photons (vacuum)
  • Timing detectors

ASJC Scopus subject areas

  • Instrumentation
  • Mathematical Physics

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