Measurement of neutrino oscillation parameters from muon neutrino disappearance with an off-axis beam

T2K Collaboration

doi:10.1103/PhysRevLett.111.211803

Measurement of neutrino oscillation parameters from muon neutrino disappearance with an off-axis beam

T2K Collaboration

University of Tokyo
Stony Brook University
Duke University
CCLRC Rutherford Appleton Laboratory
Kobe University
University of Bern
Colorado State University
IGFL, Université de Lyon, Université Lyon 1
University of Regina
University of Warwick
University of Oxford
Institute for Nuclear Physics
ETH Zurich
Lancaster University
Politecnico di Bari
University of British Columbia
York University
Louisiana State University
University of Geneva
University of Victoria
The Barcelona Institute of Science and Technology
Imperial College London
Kyoto University
University of Liverpool
The University of Sheffield
University of Sheffield
University of Colorado Boulder
INFN
University of Washington
Queen Mary University of London
University of Pittsburgh
University of Toronto
University of Naples Federico II
Laboratoire de Probabilités et Modèles Aléatoires
Warsaw University of Technology
Universite Paris-Saclay
High Energy Accelerator Research Organization (KEK)
J-PARC
Miyagi University of Education
Wroclaw University
Institute for Nuclear Research of the Russian Academy of Sciences
TRIUMF
Institute of Particle Physics
University of Silesia
University of Winnipeg
Chonnam National University
Kavli Institute
Tokyo Metropolitan University
Boston University
University of Warsaw
National Centre for Nuclear Research (NCBJ)
Seoul National University
University of Alberta
Okayama University
Long Beach VA and University of California
Moscow Institute of Physics and Technology
RWTH Aachen University
University of Rome
University of Rochester
Ip Paris
Osaka City University
Dongshin University
Joint Institute for Nuclear Research, Dubna
York College/The City University of New York

Research output: Contribution to journal › Article › peer-review

Abstract

The T2K Collaboration reports a precision measurement of muon neutrino disappearance with an off-axis neutrino beam with a peak energy of 0.6 GeV. Near detector measurements are used to constrain the neutrino flux and cross section parameters. The Super-Kamiokande far detector, which is 295 km downstream of the neutrino production target, collected data corresponding to 3.01 × 10²⁰ protons on target. In the absence of neutrino oscillations, 205 ± 17 (syst) events are expected to be detected while only 58 muon neutrino event candidates are observed. A fit to the neutrino rate and energy spectrum, assuming three neutrino flavors and normal mass hierarchy yields a best-fit mixing angle sin²(Θ₂₃) = 0.514 ± 0.082 and mass splitting |Δm²₃₂| = 2.44^+0.17_-0.15 × 10^-3 eV²/c⁴. Our result corresponds to the maximal oscillation disappearance probability.

Original language	English
Article number	211803
Journal	Physical Review Letters
Volume	111
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevLett.111.211803
Publication status	Published - 19 Nov 2013

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10.1103/PhysRevLett.111.211803

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@article{af16d435707a462a9f0b514d4eb0c801,

title = "Measurement of neutrino oscillation parameters from muon neutrino disappearance with an off-axis beam",

abstract = "The T2K Collaboration reports a precision measurement of muon neutrino disappearance with an off-axis neutrino beam with a peak energy of 0.6 GeV. Near detector measurements are used to constrain the neutrino flux and cross section parameters. The Super-Kamiokande far detector, which is 295 km downstream of the neutrino production target, collected data corresponding to 3.01 × 1020 protons on target. In the absence of neutrino oscillations, 205 ± 17 (syst) events are expected to be detected while only 58 muon neutrino event candidates are observed. A fit to the neutrino rate and energy spectrum, assuming three neutrino flavors and normal mass hierarchy yields a best-fit mixing angle sin2(Θ23) = 0.514 ± 0.082 and mass splitting |Δm232| = 2.44+0.17-0.15 × 10-3 eV2/c4. Our result corresponds to the maximal oscillation disappearance probability.",

author = "\{T2K Collaboration\} and K. Abe and J. Adam and H. Aihara and T. Akiri and C. Andreopoulos and S. Aoki and A. Ariga and T. Ariga and S. Assylbekov and D. Autiero and M. Barbi and Barker, \{G. J.\} and G. Barr and M. Bass and M. Batkiewicz and F. Bay and Bentham, \{S. W.\} and V. Berardi and Berger, \{B. E.\} and S. Berkman and I. Bertram and S. Bhadra and Blaszczyk, \{F. D.M.\} and A. Blondel and C. Bojechko and S. Bordoni and Boyd, \{S. B.\} and D. Brailsford and A. Bravar and C. Bronner and N. Buchanan and Calland, \{R. G.\} and \{Caravaca Rodr{\'i}guez\}, J. and Cartwright, \{S. L.\} and R. Castillo and Catanesi, \{M. G.\} and A. Cervera and D. Cherdack and G. Christodoulou and A. Clifton and J. Coleman and Coleman, \{S. J.\} and G. Collazuol and K. Connolly and L. Cremonesi and A. Curioni and A. Dabrowska and O. Drapier and M. Gonin and B. Quilain",

note = "Publisher Copyright: {\textcopyright} 2013 American Physical Society.",

year = "2013",

month = nov,

day = "19",

doi = "10.1103/PhysRevLett.111.211803",

language = "English",

volume = "111",

journal = "Physical Review Letters",

issn = "0031-9007",

number = "21",

}

TY - JOUR

T1 - Measurement of neutrino oscillation parameters from muon neutrino disappearance with an off-axis beam

AU - T2K Collaboration

AU - Abe, K.

AU - Adam, J.

AU - Aihara, H.

AU - Akiri, T.

AU - Andreopoulos, C.

AU - Aoki, S.

AU - Ariga, A.

AU - Ariga, T.

AU - Assylbekov, S.

AU - Autiero, D.

AU - Barbi, M.

AU - Barker, G. J.

AU - Barr, G.

AU - Bass, M.

AU - Batkiewicz, M.

AU - Bay, F.

AU - Bentham, S. W.

AU - Berardi, V.

AU - Berger, B. E.

AU - Berkman, S.

AU - Bertram, I.

AU - Bhadra, S.

AU - Blaszczyk, F. D.M.

AU - Blondel, A.

AU - Bojechko, C.

AU - Bordoni, S.

AU - Boyd, S. B.

AU - Brailsford, D.

AU - Bravar, A.

AU - Bronner, C.

AU - Buchanan, N.

AU - Calland, R. G.

AU - Caravaca Rodríguez, J.

AU - Cartwright, S. L.

AU - Castillo, R.

AU - Catanesi, M. G.

AU - Cervera, A.

AU - Cherdack, D.

AU - Christodoulou, G.

AU - Clifton, A.

AU - Coleman, J.

AU - Coleman, S. J.

AU - Collazuol, G.

AU - Connolly, K.

AU - Cremonesi, L.

AU - Curioni, A.

AU - Dabrowska, A.

AU - Drapier, O.

AU - Gonin, M.

AU - Quilain, B.

PY - 2013/11/19

Y1 - 2013/11/19

N2 - The T2K Collaboration reports a precision measurement of muon neutrino disappearance with an off-axis neutrino beam with a peak energy of 0.6 GeV. Near detector measurements are used to constrain the neutrino flux and cross section parameters. The Super-Kamiokande far detector, which is 295 km downstream of the neutrino production target, collected data corresponding to 3.01 × 1020 protons on target. In the absence of neutrino oscillations, 205 ± 17 (syst) events are expected to be detected while only 58 muon neutrino event candidates are observed. A fit to the neutrino rate and energy spectrum, assuming three neutrino flavors and normal mass hierarchy yields a best-fit mixing angle sin2(Θ23) = 0.514 ± 0.082 and mass splitting |Δm232| = 2.44+0.17-0.15 × 10-3 eV2/c4. Our result corresponds to the maximal oscillation disappearance probability.

AB - The T2K Collaboration reports a precision measurement of muon neutrino disappearance with an off-axis neutrino beam with a peak energy of 0.6 GeV. Near detector measurements are used to constrain the neutrino flux and cross section parameters. The Super-Kamiokande far detector, which is 295 km downstream of the neutrino production target, collected data corresponding to 3.01 × 1020 protons on target. In the absence of neutrino oscillations, 205 ± 17 (syst) events are expected to be detected while only 58 muon neutrino event candidates are observed. A fit to the neutrino rate and energy spectrum, assuming three neutrino flavors and normal mass hierarchy yields a best-fit mixing angle sin2(Θ23) = 0.514 ± 0.082 and mass splitting |Δm232| = 2.44+0.17-0.15 × 10-3 eV2/c4. Our result corresponds to the maximal oscillation disappearance probability.

UR - https://www.scopus.com/pages/publications/84961058849

U2 - 10.1103/PhysRevLett.111.211803

DO - 10.1103/PhysRevLett.111.211803

M3 - Article

AN - SCOPUS:84961058849

SN - 0031-9007

VL - 111

JO - Physical Review Letters

JF - Physical Review Letters

IS - 21

M1 - 211803

ER -

Measurement of neutrino oscillation parameters from muon neutrino disappearance with an off-axis beam

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