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The electromagnetic calorimeter for the T2K near detector ND280

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The electromagnetic calorimeter for the T2K near detector ND280. / Kormos, Laura; Bertram, Iain; Ratoff, Peter et al.
In: Journal of Instrumentation, Vol. 8, No. 10, P10019, 17.10.2013.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Kormos L, Bertram I, Ratoff P, Bentham S, Grant N, Reeves M et al. The electromagnetic calorimeter for the T2K near detector ND280. Journal of Instrumentation. 2013 Oct 17;8(10):P10019. doi: 10.1088/1748-0221/8/10/P10019

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@article{90e6af47844347bb9c8b9de22f0ba175,
title = "The electromagnetic calorimeter for the T2K near detector ND280",
abstract = "The T2K experiment studies oscillations of an off-axis muon neutrino beam between the J-PARC accelerator complex and the Super-Kamiokande detector. Special emphasis is placed on measuring the mixing angle θ13 by observing νe appearance via the sub-dominant νμ → νe oscillation and searching for CP violation in the lepton sector. The experiment includes a sophisticated, off-axis, near detector, the ND280, situated 280 m downstream of the neutrino production target in order to measure the properties of the neutrino beam and to understand better neutrino interactions at the energy scale below a few GeV. The data collected with the ND280 are used to study charged- and neutral-current neutrino interaction rates and kinematics prior to oscillation, in order to reduce uncertainties in the oscillation measurements by the far detector. A key element of the near detector is the ND280 electromagnetic calorimeter (ECal), consisting of active scintillator bars sandwiched between lead sheets and read out with multi-pixel photon counters (MPPCs). The ECal is vital to the reconstruction of neutral particles, and the identification of charged particle species. The ECal surrounds the Pi-0 detector (P{\O}D) and the tracking region of the ND280, and is enclosed in the former UA1/NOMAD dipole magnet. This paper describes the design, construction and assembly of the ECal, as well as the materials from which it is composed. The electronic and data acquisition (DAQ) systems are discussed, and performance of the ECal modules, as deduced from measurements with particle beams, cosmic rays, the calibration system, and T2K data, is described",
keywords = "Neutrino detectors, Scintillators and scintillating fibres and light guides, Calorimeters",
author = "Laura Kormos and Iain Bertram and Peter Ratoff and Steven Bentham and Nick Grant and Matthew Reeves and Alex Finch and Gavin Davies and Helen O'Keeffe and Athanasios Hatzikoutelis and Tom Maryon and Ian Mercer and Matthew Reeves",
year = "2013",
month = oct,
day = "17",
doi = "10.1088/1748-0221/8/10/P10019",
language = "English",
volume = "8",
journal = "Journal of Instrumentation",
issn = "1748-0221",
publisher = "Institute of Physics Publishing",
number = "10",

}

RIS

TY - JOUR

T1 - The electromagnetic calorimeter for the T2K near detector ND280

AU - Kormos, Laura

AU - Bertram, Iain

AU - Ratoff, Peter

AU - Bentham, Steven

AU - Grant, Nick

AU - Reeves, Matthew

AU - Finch, Alex

AU - Davies, Gavin

AU - O'Keeffe, Helen

AU - Hatzikoutelis, Athanasios

AU - Maryon, Tom

AU - Mercer, Ian

AU - Reeves, Matthew

PY - 2013/10/17

Y1 - 2013/10/17

N2 - The T2K experiment studies oscillations of an off-axis muon neutrino beam between the J-PARC accelerator complex and the Super-Kamiokande detector. Special emphasis is placed on measuring the mixing angle θ13 by observing νe appearance via the sub-dominant νμ → νe oscillation and searching for CP violation in the lepton sector. The experiment includes a sophisticated, off-axis, near detector, the ND280, situated 280 m downstream of the neutrino production target in order to measure the properties of the neutrino beam and to understand better neutrino interactions at the energy scale below a few GeV. The data collected with the ND280 are used to study charged- and neutral-current neutrino interaction rates and kinematics prior to oscillation, in order to reduce uncertainties in the oscillation measurements by the far detector. A key element of the near detector is the ND280 electromagnetic calorimeter (ECal), consisting of active scintillator bars sandwiched between lead sheets and read out with multi-pixel photon counters (MPPCs). The ECal is vital to the reconstruction of neutral particles, and the identification of charged particle species. The ECal surrounds the Pi-0 detector (PØD) and the tracking region of the ND280, and is enclosed in the former UA1/NOMAD dipole magnet. This paper describes the design, construction and assembly of the ECal, as well as the materials from which it is composed. The electronic and data acquisition (DAQ) systems are discussed, and performance of the ECal modules, as deduced from measurements with particle beams, cosmic rays, the calibration system, and T2K data, is described

AB - The T2K experiment studies oscillations of an off-axis muon neutrino beam between the J-PARC accelerator complex and the Super-Kamiokande detector. Special emphasis is placed on measuring the mixing angle θ13 by observing νe appearance via the sub-dominant νμ → νe oscillation and searching for CP violation in the lepton sector. The experiment includes a sophisticated, off-axis, near detector, the ND280, situated 280 m downstream of the neutrino production target in order to measure the properties of the neutrino beam and to understand better neutrino interactions at the energy scale below a few GeV. The data collected with the ND280 are used to study charged- and neutral-current neutrino interaction rates and kinematics prior to oscillation, in order to reduce uncertainties in the oscillation measurements by the far detector. A key element of the near detector is the ND280 electromagnetic calorimeter (ECal), consisting of active scintillator bars sandwiched between lead sheets and read out with multi-pixel photon counters (MPPCs). The ECal is vital to the reconstruction of neutral particles, and the identification of charged particle species. The ECal surrounds the Pi-0 detector (PØD) and the tracking region of the ND280, and is enclosed in the former UA1/NOMAD dipole magnet. This paper describes the design, construction and assembly of the ECal, as well as the materials from which it is composed. The electronic and data acquisition (DAQ) systems are discussed, and performance of the ECal modules, as deduced from measurements with particle beams, cosmic rays, the calibration system, and T2K data, is described

KW - Neutrino detectors

KW - Scintillators and scintillating fibres and light guides

KW - Calorimeters

U2 - 10.1088/1748-0221/8/10/P10019

DO - 10.1088/1748-0221/8/10/P10019

M3 - Journal article

VL - 8

JO - Journal of Instrumentation

JF - Journal of Instrumentation

SN - 1748-0221

IS - 10

M1 - P10019

ER -