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The TORCH time-of-flight detector
/ Harnew, N (Oxford U.) ; Gao, R (Oxford U.) ; Hadavizadeh, T (Oxford U.) ; Hancock, T H (Oxford U.) ; Smallwood, J C (Oxford U.) ; Brook, N H (Bath U.) ; Bhasin, S (Bristol U.) ; Cussans, D (Bristol U.) ; Rademacker, J (Bristol U.) ; Forty, R (CERN) et al.
TORCH is a large-area time-of-flight (ToF) detector, proposed for the Upgrade-II of the LHCb experiment. It will provide charged hadron identification over a 2–20 GeV/c momentum range, given a 9.5m flight distance from the LHC interaction point. [...]
2022 - 3 p.
In : 15th Pisa Meeting on Advanced Detectors, La Biodola - Isola D'elba, Italy, 22 - 28 May 2022, pp.167991
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TORCH, a novel time of flight detector for LHCb upgrade II
/ Rademacker, J (Bristol U.) ; Blake, T (Warwick U.) ; Cicala, M F (Warwick U.) ; Conneely, T (Astrium Ltd., Stevenage) ; Cussans, D (Bristol U.) ; van Dijk, M W U (CERN) ; Forty, R (CERN) ; Frei, C (CERN) ; Gabriel, E P M (U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Gao, R (JAI, UK) et al.
The plans for LHCb upgrade II in the HL LHC era include complementing the experiment’s particle identification capabilities in the low momentum region up to 10-15GeV/c with the novel TORCH time of flight detector. TORCH is designed to provide 15ps timing resolution for charged particles, resulting in K/pi (p/K) particle identification up to 10 (15)GeV/c momentum over a 10m flight path. [...]
2022 - 6 p.
- Published in : PoS: ICHEP2022, pp. 347
Fulltext: PDF;
In : 41st International Conference on High Energy Physics (ICHEP 2022), Bologna, Italy, 6 - 13 Jul 2022, pp.347
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TORCH pattern recognition and particle identification performance
/ Garcia Martin, L M (Warwick U.) ; Blake, T (Warwick U.) ; Brook, N H (Bath U.) ; Cicala, M F (Warwick U.) ; Cussans, D (Bristol U.) ; van Dijk, M W U (CERN) ; Forty, R (CERN) ; Gershon, T (Warwick U.) ; Gys, T (CERN) ; Hadavizadeh, T (Oxford U.) et al.
The TORCH detector aims to provide K/π (K/p) separation up to a momentum of about 10 (15) by measuring their time-of-flight at the LHCb detector. Prompt Cherenkov photons are produced in a quartz radiator bar of 10 mm thickness, and propagated via total internal reflection to the periphery of the detector, where they are focused onto an array of microchannel plate photomultipliers that measure the photon arrival time and position. [...]
2023 - 4 p.
Fulltext: PDF;
In : 11th International Workshop on Ring Imaging Cherenkov Detectors (RICH 2022), Edinburgh, United Kingdom, 12 - 16 Sep 2022, pp.168437
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New developments from the TORCH R&D; project
/ Jones, T (Warwick U.) ; Bhasin, S (Bath U. ; Bristol U.) ; Blake, T (Warwick U.) ; Brook, N H (Bath U.) ; Cicala, M F (Warwick U.) ; Conneely, T (Photek Ltd., UK) ; Cussans, D (Bristol U.) ; van Dijk, M W U (CERN) ; Forty, R (CERN) ; Frei, C (CERN) et al.
TORCH is a large-area and high-precision time-of-flight detector, designed to provide charged particle identification over a 2–20GeV/c momentum range. The TORCH detector comprises a 10 mm thick quartz radiator, instrumented with photon detectors, which precisely time and measure the arrival positions of the Cherenkov photons. [...]
2023 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1045 (2023) 167535
In : Vienna Conference on Instrumentation (VCI 2022), Online, Online, 21 - 25 Feb 2022, pp.167535
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Performance of a prototype TORCH time-of-flight detector
/ Bhasin, S. (Bristol U. ; Bath U.) ; Blake, T. (Warwick U.) ; Brook, N.H. (Bath U.) ; Cicala, M.F. (Warwick U.) ; Conneely, T. (Astrium Ltd., Stevenage) ; Cussans, D. (Bristol U.) ; van Dijk, M.W.U. (CERN) ; Forty, R. (CERN) ; Frei, C. (CERN) ; Gabriel, E.P.M. (Edinburgh U., Inst. Astron.) et al.
TORCH is a novel time-of-flight detector, designed to provide charged particle identification of pions, kaons and protons in the momentum range 2-20 GeV/c over a 9.5 m flight path. A detector module, comprising a 10mm thick quartz plate, provides a source of Cherenkov photons which propagate via total internal reflection to one end of the plate. [...]
arXiv:2209.13379.-
2023-03-06 - 19 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1050 (2023) 168181
Fulltext: PDF;
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Studies for the K12 High-Intensity Kaon Beam at CERN
/ D'Alessandro, Gian Luigi (CERN ; JAI, UK) ; Banerjee, Dipanwita (CERN) ; Bernhard, Johannes (CERN) ; Boogert, Stewart T (JAI, UK) ; Brugger, Markus (CERN) ; Doble, Niels (CERN ; Mainz U.) ; Gatignon, Laurent (CERN ; Lancaster U.) ; Gerbershagen, Alexander (CERN) ; Gibson, Stephen M (JAI, UK) ; Marchevski, Radoslav (CERN ; Mainz U.) et al.
The NA62 experiment is a fixed target experiment located in the North Area of CERN and has as main goal the measurement of the branching ratio of the rare decay K±>pi+vv. The primary proton beam from the SPS accelerator interacts with the T10 beryllium target and the generated 75 GeV/c secondary particles, containing about 6% of positive kaons, are transported by the K12 beamline to the NA62 experiment. [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IPAC 2021 (2021) 3049-3052
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.3049-3052
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Picosecond timing of charged particles using the TORCH detector
/ Cicala, Maria Flavia (Warwick U.) ; Bhasin, Srishti (Bath U. ; Bristol U.) ; Blake, Thomas (Warwick U.) ; Brook, Nick H. (Bath U.) ; Conneely, Thomas (Unlisted, UK) ; Cussans, David (Bristol U.) ; van Dijk, Maarten W.U. (CERN) ; Forty, Roger (CERN) ; Frei, Christoph (CERN) ; Gabriel, Emmy P.M. (Edinburgh U.) et al.
TORCH is a large-area, high-precision time-of-flight (ToF) detector designed to provide charged-particle identification in the 2-20 GeV$/c$ momentum range. Prompt Cherenkov photons emitted by charged hadrons as they traverse a 10mm quartz radiator are propagated to the periphery of the detector, where they are focused onto an array of micro-channel plate photomultiplier tubes (MCP-PMTs). [...]
arXiv:2203.13774.-
2022-09-01 - 13 p.
Fulltext: 2203.13774 - PDF; Publication - PDF;
In : Vienna Conference on Instrumentation (VCI 2022), Online, Austria, 21 - 25 Feb 2022, pp.166950
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Test-beam demonstration of a TORCH prototype module
/ Smallwood, J.C. (U. Oxford (main)) ; Bhasin, S. (Bath U. ; Bristol U.) ; Blake, T. (Warwick U.) ; Brook, N.H. (Bath U.) ; Cicala, M.F. (Warwick U.) ; Conneely, T. (Astrium Ltd., Stevenage) ; Cussans, D. (Bristol U.) ; van Dijk, M.W.U. (CERN) ; Forty, R. (CERN) ; Frei, C. (CERN) et al.
The TORCH time-of-flight detector is designed to provide a 15 ps timing resolution for charged particles, resulting in $\pi$/$K$ particle identification up to 10 GeV/c momentum over a 10 m flight path. Cherenkov photons, produced in a quartz plate of 10 mm thickness, are focused onto an array of micro-channel plate photomultipliers (MCP-PMTs) which measure the photon arrival times and spatial positions. [...]
arXiv:2111.04627.-
2022 - 6 p.
- Published in : J. Phys. : Conf. Ser. 2374 (2022) 012004
Fulltext: document - PDF; 2111.04627 - PDF;
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012004
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Status of the TORCH Project
/ Harnew, N. (U. Oxford (main)) ; Bhasin, S. (Bath U. ; U. Bristol (main)) ; Blake, T. (U. Edinburgh (main)) ; Brook, N.H. (Bath U.) ; Cicala, M.F. (Warwick U.) ; Conneely, T. (Instrument Tech., St. Leonard) ; Cussans, D. (U. Bristol (main)) ; van Dijk, M.W.U. (CERN) ; Forty, R. (CERN) ; Frei, C. (CERN) et al.
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 m^2. 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. [...]
arXiv:2003.03373.-
2020-04-14 - 11 p.
- Published in : JINST 15 (2020) C04031
Fulltext: PDF;
In : Workshop on Fast Cherenkov Detectors : Photon detection, DIRC design and DAQ, Giessen, Germany, 11 - 13 Sep 2019, pp.C04031
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