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Scintillator ageing of the T2K near detectors from 2010 to 2021

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Scintillator ageing of the T2K near detectors from 2010 to 2021. / T2K Collaboration ; Dealtry, T.; Doyle, T. A. et al.
Institute of Physics, 2022.

Research output: Working paper

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@techreport{8a06e11e46824ae5a672dcddfdb123ec,
title = "Scintillator ageing of the T2K near detectors from 2010 to 2021",
abstract = " The T2K experiment widely uses plastic scintillator as a target for neutrino interactions and an active medium for the measurement of charged particles produced in neutrino interactions at its near detector complex. Over 10 years of operation the measured light yield recorded by the scintillator based subsystems has been observed to degrade by 0.9--2.2\% per year. Extrapolation of the degradation rate through to 2040 indicates the recorded light yield should remain above the lower threshold used by the current reconstruction algorithms for all subsystems. This will allow the near detectors to continue contributing to important physics measurements during the T2K-II and Hyper-Kamiokande eras. Additionally, work to disentangle the degradation of the plastic scintillator and wavelength shifting fibres shows that the reduction in light yield can be attributed to the ageing of the plastic scintillator. ",
keywords = "physics.ins-det, hep-ex",
author = "{T2K Collaboration} and Collaboration, {The T2K} and K. Abe and N. Akhlaq and R. Akutsu and C. Alt and C. Andreopoulos and M. Antonova and S. Aoki and T. Arihara and Y. Asada and Y. Ashida and Atkin, {E. T.} and S. Ban and M. Barbi and Barker, {G. J.} and G. Barr and M. Batkiewicz-Kwasniak and F. Bench and V. Berardi and L. Berns and S. Bhadra and A. Blanchet and A. Blondel and S. Bolognesi and T. Bonus and S. Bordoni and A. Bravar and C. Bronner and S. Bron and A. Bubak and Avanzini, {M. Buizza} and Calabria, {N. F.} and S. Cao and Catanesi, {M. G.} and A. Cervera and J. Chakrani and D. Cherdack and G. Christodoulou and M. Cicerchia and T. Dealtry and Doyle, {T. A.} and Finch, {A. J.} and A. Hatzikoutelis and Kormos, {L. L.} and James, {M. Lamers} and I. Lamont and M. Lawe and O'Keeffe, {H. M.} and Ratoff, {P. N.} and Walsh, {J. G.} and Yongheng Xu",
note = "29 pages, 18 figures. Prepared for submission to JINST",
year = "2022",
month = oct,
day = "17",
language = "English",
publisher = "Institute of Physics",
type = "WorkingPaper",
institution = "Institute of Physics",

}

RIS

TY - UNPB

T1 - Scintillator ageing of the T2K near detectors from 2010 to 2021

AU - T2K Collaboration

AU - Collaboration, The T2K

AU - Abe, K.

AU - Akhlaq, N.

AU - Akutsu, R.

AU - Alt, C.

AU - Andreopoulos, C.

AU - Antonova, M.

AU - Aoki, S.

AU - Arihara, T.

AU - Asada, Y.

AU - Ashida, Y.

AU - Atkin, E. T.

AU - Ban, S.

AU - Barbi, M.

AU - Barker, G. J.

AU - Barr, G.

AU - Batkiewicz-Kwasniak, M.

AU - Bench, F.

AU - Berardi, V.

AU - Berns, L.

AU - Bhadra, S.

AU - Blanchet, A.

AU - Blondel, A.

AU - Bolognesi, S.

AU - Bonus, T.

AU - Bordoni, S.

AU - Bravar, A.

AU - Bronner, C.

AU - Bron, S.

AU - Bubak, A.

AU - Avanzini, M. Buizza

AU - Calabria, N. F.

AU - Cao, S.

AU - Catanesi, M. G.

AU - Cervera, A.

AU - Chakrani, J.

AU - Cherdack, D.

AU - Christodoulou, G.

AU - Cicerchia, M.

AU - Dealtry, T.

AU - Doyle, T. A.

AU - Finch, A. J.

AU - Hatzikoutelis, A.

AU - Kormos, L. L.

AU - James, M. Lamers

AU - Lamont, I.

AU - Lawe, M.

AU - O'Keeffe, H. M.

AU - Ratoff, P. N.

AU - Walsh, J. G.

AU - Xu, Yongheng

N1 - 29 pages, 18 figures. Prepared for submission to JINST

PY - 2022/10/17

Y1 - 2022/10/17

N2 - The T2K experiment widely uses plastic scintillator as a target for neutrino interactions and an active medium for the measurement of charged particles produced in neutrino interactions at its near detector complex. Over 10 years of operation the measured light yield recorded by the scintillator based subsystems has been observed to degrade by 0.9--2.2\% per year. Extrapolation of the degradation rate through to 2040 indicates the recorded light yield should remain above the lower threshold used by the current reconstruction algorithms for all subsystems. This will allow the near detectors to continue contributing to important physics measurements during the T2K-II and Hyper-Kamiokande eras. Additionally, work to disentangle the degradation of the plastic scintillator and wavelength shifting fibres shows that the reduction in light yield can be attributed to the ageing of the plastic scintillator.

AB - The T2K experiment widely uses plastic scintillator as a target for neutrino interactions and an active medium for the measurement of charged particles produced in neutrino interactions at its near detector complex. Over 10 years of operation the measured light yield recorded by the scintillator based subsystems has been observed to degrade by 0.9--2.2\% per year. Extrapolation of the degradation rate through to 2040 indicates the recorded light yield should remain above the lower threshold used by the current reconstruction algorithms for all subsystems. This will allow the near detectors to continue contributing to important physics measurements during the T2K-II and Hyper-Kamiokande eras. Additionally, work to disentangle the degradation of the plastic scintillator and wavelength shifting fibres shows that the reduction in light yield can be attributed to the ageing of the plastic scintillator.

KW - physics.ins-det

KW - hep-ex

M3 - Working paper

BT - Scintillator ageing of the T2K near detectors from 2010 to 2021

PB - Institute of Physics

ER -