Updated T2K measurements of muon neutrino and antineutrino disappearance using 3.6×1021 protons on target

T2K Collaboration

doi:10.1103/PhysRevD.108.072011

Updated T2K measurements of muon neutrino and antineutrino disappearance using 3.6×1021 protons on target

T2K Collaboration

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Abstract

Muon neutrino and antineutrino disappearance probabilities are identical in the standard three-flavor neutrino oscillation framework, but CPT violation and nonstandard interactions can violate this symmetry. In this work we report the measurements of sin2θ23 and Δm322 independently for neutrinos and antineutrinos. The aforementioned symmetry violation would manifest as an inconsistency in the neutrino and antineutrino oscillation parameters. The analysis discussed here uses a total of 1.97×1021 and 1.63×1021 protons on target taken with a neutrino and antineutrino beam respectively, and benefits from improved flux and cross section models, new near-detector samples and more than double the data reducing the overall uncertainty of the result. No significant deviation is observed, consistent with the standard neutrino oscillation picture.

Original language	English (US)
Article number	072011
Journal	Physical Review D
Volume	108
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.108.072011
State	Published - Oct 1 2023
Externally published	Yes

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© 2023 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP

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10.1103/PhysRevD.108.072011

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@article{fa6bd46669774389a869a23e55663e66,

title = "Updated T2K measurements of muon neutrino and antineutrino disappearance using 3.6×1021 protons on target",

abstract = "Muon neutrino and antineutrino disappearance probabilities are identical in the standard three-flavor neutrino oscillation framework, but CPT violation and nonstandard interactions can violate this symmetry. In this work we report the measurements of sin2θ23 and Δm322 independently for neutrinos and antineutrinos. The aforementioned symmetry violation would manifest as an inconsistency in the neutrino and antineutrino oscillation parameters. The analysis discussed here uses a total of 1.97×1021 and 1.63×1021 protons on target taken with a neutrino and antineutrino beam respectively, and benefits from improved flux and cross section models, new near-detector samples and more than double the data reducing the overall uncertainty of the result. No significant deviation is observed, consistent with the standard neutrino oscillation picture.",

author = "{T2K Collaboration} and K. Abe and N. Akhlaq and R. Akutsu and A. Ali and {Alonso Monsalve}, S. 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 M. Barbi and Barker, {G. J.} and G. Barr and D. Barrow 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 Boyd, {S. B.} and A. Bravar and C. Bronner and S. Bron and A. Bubak and {Buizza Avanzini}, M. and Caballero, {J. A.} and Calabria, {N. F.} and S. Cao and D. Carabadjac and Carter, {A. J.} and Cartwright, {S. L.} and Casado, {M. P.} and Catanesi, {M. G.} and A. Cervera and J. Chakrani and D. Cherdack and Chong, {P. S.} and G. Christodoulou and A. Chvirova and M. Cicerchia and J. Coleman and Wilking, {M. J.}",

note = "Publisher Copyright: {\textcopyright} 2023 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"}Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP",

year = "2023",

month = oct,

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doi = "10.1103/PhysRevD.108.072011",

language = "English (US)",

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TY - JOUR

T1 - Updated T2K measurements of muon neutrino and antineutrino disappearance using 3.6×1021 protons on target

AU - T2K Collaboration

AU - Abe, K.

AU - Akhlaq, N.

AU - Akutsu, R.

AU - Ali, A.

AU - Alonso Monsalve, S.

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 - Barbi, M.

AU - Barker, G. J.

AU - Barr, G.

AU - Barrow, D.

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 - Boyd, S. B.

AU - Bravar, A.

AU - Bronner, C.

AU - Bron, S.

AU - Bubak, A.

AU - Buizza Avanzini, M.

AU - Caballero, J. A.

AU - Calabria, N. F.

AU - Cao, S.

AU - Carabadjac, D.

AU - Carter, A. J.

AU - Cartwright, S. L.

AU - Casado, M. P.

AU - Catanesi, M. G.

AU - Cervera, A.

AU - Chakrani, J.

AU - Cherdack, D.

AU - Chong, P. S.

AU - Christodoulou, G.

AU - Chvirova, A.

AU - Cicerchia, M.

AU - Coleman, J.

AU - Wilking, M. J.

N1 - Publisher Copyright: © 2023 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP

PY - 2023/10/1

Y1 - 2023/10/1

N2 - Muon neutrino and antineutrino disappearance probabilities are identical in the standard three-flavor neutrino oscillation framework, but CPT violation and nonstandard interactions can violate this symmetry. In this work we report the measurements of sin2θ23 and Δm322 independently for neutrinos and antineutrinos. The aforementioned symmetry violation would manifest as an inconsistency in the neutrino and antineutrino oscillation parameters. The analysis discussed here uses a total of 1.97×1021 and 1.63×1021 protons on target taken with a neutrino and antineutrino beam respectively, and benefits from improved flux and cross section models, new near-detector samples and more than double the data reducing the overall uncertainty of the result. No significant deviation is observed, consistent with the standard neutrino oscillation picture.

AB - Muon neutrino and antineutrino disappearance probabilities are identical in the standard three-flavor neutrino oscillation framework, but CPT violation and nonstandard interactions can violate this symmetry. In this work we report the measurements of sin2θ23 and Δm322 independently for neutrinos and antineutrinos. The aforementioned symmetry violation would manifest as an inconsistency in the neutrino and antineutrino oscillation parameters. The analysis discussed here uses a total of 1.97×1021 and 1.63×1021 protons on target taken with a neutrino and antineutrino beam respectively, and benefits from improved flux and cross section models, new near-detector samples and more than double the data reducing the overall uncertainty of the result. No significant deviation is observed, consistent with the standard neutrino oscillation picture.

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U2 - 10.1103/PhysRevD.108.072011

DO - 10.1103/PhysRevD.108.072011

M3 - Article

AN - SCOPUS:85178317179

SN - 2470-0010

VL - 108

JO - Physical Review D

JF - Physical Review D

IS - 7

M1 - 072011

ER -

Updated T2K measurements of muon neutrino and antineutrino disappearance using 3.6×1021 protons on target

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