Status of the TORCH Project

N. Harnew, S. Bhasin, T. Blake, N. H. Brook, M. F. Cicala, T. Conneely, D. Cussans, M. W.U. Van Dijk, R. Forty, C. Frei, E. P.M. Gabriel, R. Gao, T. Gershon, T. Gys, T. Hadavizadeh, T. H. Hancock, M. Kreps, J. Milnes, D. Piedigrossi, J. Rademacker

Research output: Contribution to journalArticlepeer-review

Abstract

The TORCH time-of-flight detector will provide particle identification between 2-10 GeV/c momentum over a flight distance of 10 m, and is designed for large-area coverage, up to 30 m2. A 15 ps time-of-flight resolution per incident particle is anticipated by measuring the arrival times from Cherenkov photons produced in a synthetic fused silica radiator plate of 10 mm thickness. Customised Micro-Channel Plate Photomultiplier Tube (MCP-PMT) photon detectors of 53 × 53 mm2 active area with a 64 × 64 granularity have been developed with industrial partners. Test-beam studies using both a small-scale TORCH demonstrator and a half-length TORCH module are presented. The desired timing resolution of 70 ps per single photon is close to being achieved.

Original languageEnglish
Article numberC04031
JournalJournal of Instrumentation
Volume15
Issue number4
DOIs
Publication statusPublished - 14 Apr 2020

Keywords

  • Cherenkov detectors
  • Large detector systems for particle and astroparticle physics
  • Timing detectors

ASJC Scopus subject areas

  • Mathematical Physics
  • Instrumentation

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