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research article

The TORCH time-of-flight detector

Harnew, N.
•
Brook, N.
•
Garcia, L. Castillo
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2016
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

The TORCH time-of-flight detector is being developed to provide particle identification between 2 and 10 GeV/c momentum over a flight distance of 10 m. TORCH is designed for large-area coverage, up to 30 m(2), and has a DIRC-like construction. The goal is to achieve a 15 ps time-of-flight resolution per incident particle by combining arrival times from multiple Cherenkov photons produced within quartz radiator plates of 10 mm thickness. A four-year R&D programme is underway with an industrial partner (Photek, UK) to produce 53 x 53 mm(2) Micro-Channel Plate (MCP) detectors for the TORCH application. The MCP-PMT will provide a timing accuracy of 40 ps per photon and it will have a lifetime of up to at least 5 Ccm(-2) of integrated anode charge by utilizing an Atomic Layer Deposition (ALD) coating. The MCP will be read out using charge division with customised electronics incorporating the NINO chipset. Laboratory results on prototype MCPs are presented. The construction of a prototype TORCH module and its simulated performance are also described. (C) 2015 The Authors. Published by Elsevier B.V.

  • Details
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Type
research article
DOI
10.1016/j.nima.2015.11.090
Web of Science ID

WOS:000375408700039

Author(s)
Harnew, N.
Brook, N.
Garcia, L. Castillo
Cussans, D.
Fohl, K.
Forty, R.
Frei, C.
Gao, R.
Gys, T.
Piedigrossi, D.
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Date Issued

2016

Publisher

Elsevier Science Bv

Published in
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume

824

Start page

106

End page

110

Subjects

Particle identification

•

Cherenkov radiation

•

Time of Flight

•

Micro-Channel Plate Photomultiplier

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MCP detector

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

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July 19, 2016
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/127536
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