The TORCH time-of-flight detector

N. Harnew; Nick H Brook; L. Castillo García; David G Cussans; K. Föhl; R. Forty; C. Frei; R. Gao; T. Gys; D. Piedigrossi; Jonas Rademacker; Ana Ros Garcia; R M Van Dijk

doi:10.1016/j.nima.2015.11.090

The TORCH time-of-flight detector

N. Harnew^*, Nick H Brook, L. Castillo García, David G Cussans, K. Föhl, R. Forty, C. Frei, R. Gao, T. Gys, D. Piedigrossi, Jonas Rademacker, Ana Ros Garcia, R M Van Dijk

^*Corresponding author for this work

School of Physics

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Abstract

The TORCH time-of-flight detector is being developed to provide particle identification between 2 and 10GeV/c momentum over a flight distance of 10m. TORCH is designed for large-area coverage, up to 30m², and has a DIRC-like construction. The goal is to achieve a 15ps time-of-flight resolution per incident particle by combining arrival times from multiple Cherenkov photons produced within quartz radiator plates of 10mm thickness. A four-year R&D programme is underway with an industrial partner (Photek, UK) to produce 53×53mm² Micro-Channel Plate (MCP) detectors for the TORCH application. The MCP-PMT will provide a timing accuracy of 40ps per photon and it will have a lifetime of up to at least 5Ccm^-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.

Original language	English
Pages (from-to)	106-110
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	824
Early online date	2 Dec 2015
DOIs	https://doi.org/10.1016/j.nima.2015.11.090
Publication status	Published - 11 Jul 2016

Keywords

Cherenkov radiation
MCP detector
Micro-Channel Plate Photomultiplier
Particle identification
Time of Flight

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Harnew, N., Brook, N. H., Castillo García, L., Cussans, D. G., Föhl, K., Forty, R., Frei, C., Gao, R., Gys, T., Piedigrossi, D., Rademacker, J., Ros Garcia, A., & Van Dijk, R. M. (2016). The TORCH time-of-flight detector. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 824, 106-110. https://doi.org/10.1016/j.nima.2015.11.090

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abstract = "The TORCH time-of-flight detector is being developed to provide particle identification between 2 and 10GeV/c momentum over a flight distance of 10m. TORCH is designed for large-area coverage, up to 30m2, and has a DIRC-like construction. The goal is to achieve a 15ps time-of-flight resolution per incident particle by combining arrival times from multiple Cherenkov photons produced within quartz radiator plates of 10mm thickness. A four-year R&D programme is underway with an industrial partner (Photek, UK) to produce 53×53mm2 Micro-Channel Plate (MCP) detectors for the TORCH application. The MCP-PMT will provide a timing accuracy of 40ps per photon and it will have a lifetime of up to at least 5Ccm-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.",

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Harnew, N, Brook, NH, Castillo García, L, Cussans, DG, Föhl, K, Forty, R, Frei, C, Gao, R, Gys, T, Piedigrossi, D, Rademacker, J, Ros Garcia, A & Van Dijk, RM 2016, 'The TORCH time-of-flight detector', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 824, pp. 106-110. https://doi.org/10.1016/j.nima.2015.11.090

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AU - Forty, R.

AU - Frei, C.

AU - Gao, R.

AU - Gys, T.

AU - Piedigrossi, D.

AU - Rademacker, Jonas

AU - Ros Garcia, Ana

AU - Van Dijk, R M

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AB - The TORCH time-of-flight detector is being developed to provide particle identification between 2 and 10GeV/c momentum over a flight distance of 10m. TORCH is designed for large-area coverage, up to 30m2, and has a DIRC-like construction. The goal is to achieve a 15ps time-of-flight resolution per incident particle by combining arrival times from multiple Cherenkov photons produced within quartz radiator plates of 10mm thickness. A four-year R&D programme is underway with an industrial partner (Photek, UK) to produce 53×53mm2 Micro-Channel Plate (MCP) detectors for the TORCH application. The MCP-PMT will provide a timing accuracy of 40ps per photon and it will have a lifetime of up to at least 5Ccm-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.

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KW - Micro-Channel Plate Photomultiplier

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

ER -

The TORCH time-of-flight detector

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Bristol Consolidated Grant 2015-9

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The TORCH time-of-flight detector

Abstract

Keywords

Access to Document

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Bristol Consolidated Grant 2015-9

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