First results on ProtoDUNE-SP liquid argon time projection chamber performance from a beam test at the CERN Neutrino Platform
Abed Abud, Adam Burgardt, D. Meyer, Holger Muether, Mathew Roy, P. Shivakoti, Sushil Solomey, Nickolas DUNE Collaboration
Abed Abud, Adam
Burgardt, D.
Meyer, Holger
Muether, Mathew
Roy, P.
Shivakoti, Sushil
Solomey, Nickolas
DUNE Collaboration
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2020-12-03
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Article
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DUNE collaboration,DUNE detector
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Citation
B. Abi et al 2020 JINST 15 P12004
Abstract
The ProtoDUNE-SP detector is a single-phase liquid argon time projection chamber with an active volume of 7.2× 6.1× 7.0 m3. It is installed at the CERN Neutrino Platform in a specially-constructed beam that delivers charged pions, kaons, protons, muons and electrons with momenta in the range 0.3 GeV/c to 7 GeV/c. Beam line instrumentation provides accurate momentum measurements and particle identification. The ProtoDUNE-SP detector is a prototype for the first far detector module of the Deep Underground Neutrino Experiment, and it incorporates full-size components as designed for that module. This paper describes the beam line, the time projection chamber, the photon detectors, the cosmic-ray tagger, the signal processing and particle reconstruction. It presents the first results on ProtoDUNE-SP's performance, including noise and gain measurements, dE/dx calibration for muons, protons, pions and electrons, drift electron lifetime measurements, and photon detector noise, signal sensitivity and time resolution measurements. The measured values meet or exceed the specifications for the DUNE far detector, in several cases by large margins. ProtoDUNE-SP's successful operation starting in 2018 and its production of large samples of high-quality data demonstrate the effectiveness of the single-phase far detector design. © 2020 CERN.
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This is an open access article under the CC by license.
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IOP Publishing Ltd
Journal
Journal of Instrumentation
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17480221