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First muon-neutrino disappearance study with an off-axis beam

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First muon-neutrino disappearance study with an off-axis beam. / T2K Collaboration.

In: Physical Review D, Vol. 85, No. 3, 031103, 22.02.2012.

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T2K Collaboration 2012, 'First muon-neutrino disappearance study with an off-axis beam' Physical Review D, vol. 85, no. 3, 031103. https://doi.org/10.1103/PhysRevD.85.031103

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T2K Collaboration. / First muon-neutrino disappearance study with an off-axis beam. In: Physical Review D. 2012 ; Vol. 85, No. 3.

Bibtex

@article{13bf5ef56f314192babc57a910d71f6a,
title = "First muon-neutrino disappearance study with an off-axis beam",
abstract = "We report a measurement of muon-neutrino disappearance in the T2K experiment. The 295-km muon-neutrino beam from Tokai to Kamioka is the first implementation of the off-axis technique in a long-baseline neutrino oscillation experiment. With data corresponding to 1.43 x 10(20) protons on target, we observe 31 fully-contained single mu-like ring events in Super-Kamiokande, compared with an expectation of 104 +/- 14 (syst) events without neutrino oscillations. The best-fit point for two-flavor nu(mu) -> nu(tau) oscillations is sin(2)(2 theta(23)) = 0.98 and vertical bar Delta m(32)(2)vertical bar = 2.65 x 10(-3) eV(2). The boundary of the 90{\%} confidence region includes the points sin(2)(2 theta(23)), vertical bar Delta m(32)(2)vertical bar = (1.0, 3.1 x 10(-3) eV(2)), (0.84, 2.65 x 10(-3) eV(2)) and (1.0, 2.2 x 10(-3) eV(2)).",
author = "K. Abe and N. Abgrall and Y. Ajima and H. Aihara and Albert, {J. B.} and C. Andreopoulos and B. Andrieu and Anerella, {M. D.} and S. Aoki and O. Araoka and J. Argyriades and A. Ariga and T. Ariga and S. Assylbekov and D. Autiero and A. Badertscher and M. Barbi and Barker, {G. J.} and G. Barr and M. Bass and M. Batkiewicz and F. Bay and S. Bentham and V. Berardi and Berger, {B. E.} and I. Bertram and M. Besnier and J. Beucher and D. Beznosko and S. Bhadra and Blaszczyk, {F. d. M.} and J. Blocki and A. Blondel and C. Bojechko and J. Bouchez and Boyd, {S. B.} and A. Bravar and C. Bronner and Brook-Roberge, {D. G.} and N. Buchanan and H. Budd and R. Calland and Davies, {G. S.} and Finch, {A. J.} and N. Grant and A. Hatzikoutelis and Kormos, {L. L.} and M. Lawe and Nowak, {J. A.} and Ratoff, {P. N.} and {T2K Collaboration}",
note = "{\circledC} 2012 American Physical Society",
year = "2012",
month = "2",
day = "22",
doi = "10.1103/PhysRevD.85.031103",
language = "English",
volume = "85",
journal = "Physical Review D",
issn = "1550-7998",
publisher = "American Physical Society",
number = "3",

}

RIS

TY - JOUR

T1 - First muon-neutrino disappearance study with an off-axis beam

AU - Abe, K.

AU - Abgrall, N.

AU - Ajima, Y.

AU - Aihara, H.

AU - Albert, J. B.

AU - Andreopoulos, C.

AU - Andrieu, B.

AU - Anerella, M. D.

AU - Aoki, S.

AU - Araoka, O.

AU - Argyriades, J.

AU - Ariga, A.

AU - Ariga, T.

AU - Assylbekov, S.

AU - Autiero, D.

AU - Badertscher, A.

AU - Barbi, M.

AU - Barker, G. J.

AU - Barr, G.

AU - Bass, M.

AU - Batkiewicz, M.

AU - Bay, F.

AU - Bentham, S.

AU - Berardi, V.

AU - Berger, B. E.

AU - Bertram, I.

AU - Besnier, M.

AU - Beucher, J.

AU - Beznosko, D.

AU - Bhadra, S.

AU - Blaszczyk, F. d. M.

AU - Blocki, J.

AU - Blondel, A.

AU - Bojechko, C.

AU - Bouchez, J.

AU - Boyd, S. B.

AU - Bravar, A.

AU - Bronner, C.

AU - Brook-Roberge, D. G.

AU - Buchanan, N.

AU - Budd, H.

AU - Calland, R.

AU - Davies, G. S.

AU - Finch, A. J.

AU - Grant, N.

AU - Hatzikoutelis, A.

AU - Kormos, L. L.

AU - Lawe, M.

AU - Nowak, J. A.

AU - Ratoff, P. N.

AU - T2K Collaboration

N1 - © 2012 American Physical Society

PY - 2012/2/22

Y1 - 2012/2/22

N2 - We report a measurement of muon-neutrino disappearance in the T2K experiment. The 295-km muon-neutrino beam from Tokai to Kamioka is the first implementation of the off-axis technique in a long-baseline neutrino oscillation experiment. With data corresponding to 1.43 x 10(20) protons on target, we observe 31 fully-contained single mu-like ring events in Super-Kamiokande, compared with an expectation of 104 +/- 14 (syst) events without neutrino oscillations. The best-fit point for two-flavor nu(mu) -> nu(tau) oscillations is sin(2)(2 theta(23)) = 0.98 and vertical bar Delta m(32)(2)vertical bar = 2.65 x 10(-3) eV(2). The boundary of the 90% confidence region includes the points sin(2)(2 theta(23)), vertical bar Delta m(32)(2)vertical bar = (1.0, 3.1 x 10(-3) eV(2)), (0.84, 2.65 x 10(-3) eV(2)) and (1.0, 2.2 x 10(-3) eV(2)).

AB - We report a measurement of muon-neutrino disappearance in the T2K experiment. The 295-km muon-neutrino beam from Tokai to Kamioka is the first implementation of the off-axis technique in a long-baseline neutrino oscillation experiment. With data corresponding to 1.43 x 10(20) protons on target, we observe 31 fully-contained single mu-like ring events in Super-Kamiokande, compared with an expectation of 104 +/- 14 (syst) events without neutrino oscillations. The best-fit point for two-flavor nu(mu) -> nu(tau) oscillations is sin(2)(2 theta(23)) = 0.98 and vertical bar Delta m(32)(2)vertical bar = 2.65 x 10(-3) eV(2). The boundary of the 90% confidence region includes the points sin(2)(2 theta(23)), vertical bar Delta m(32)(2)vertical bar = (1.0, 3.1 x 10(-3) eV(2)), (0.84, 2.65 x 10(-3) eV(2)) and (1.0, 2.2 x 10(-3) eV(2)).

UR - http://www.scopus.com/inward/record.url?scp=84861903697&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.85.031103

DO - 10.1103/PhysRevD.85.031103

M3 - Journal article

VL - 85

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 3

M1 - 031103

ER -