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Observation of electron neutrino appearance in a muon neutrino beam

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Observation of electron neutrino appearance in a muon neutrino beam. / Abe, K.; Adam, J.; Aihara, H.; Akiri, T.; Andreopoulos, C.; Aoki, S.; Ariga, A.; Ariga, T.; Assylbekov, S.; Autiero, D.; Barbi, M.; Barker, G. J.; Barr, G.; Bass, M.; Batkiewicz, M.; Bay, F.; Bentham, S. W.; Berardi, V.; Berger, B. E.; Berkman, S.; Bertram, I.; Bhadra, S.; Blaszczyk, F. D. M.; Blondel, A.; Bojechko, C.; Bordoni, S.; Boyd, S. B.; Brailsford, Dominic; Bravar, A.; Bronner, C.; Buchanan, N.; Calland, R. G.; Caravaca Rodriguez, J.; Cartwright, S. L.; Castillo, R.; Catanesi, M. G.; Cervera, A.; Cherdack, D.; Christodoulou, G.; Clifton, A.; Coleman, J.; Dealtry, Thomas; Finch, A. J.; Grant, N.; Kormos, L. L.; Lamont, I.; O'Keeffe, H. M.; Ratoff, P. N.; Reeves, M.; Southwell, L.; T2K Collaboration.

In: Physical review letters, Vol. 112, No. 6, 061802, 10.02.2014.

Research output: Contribution to journalJournal article

Harvard

Abe, K, Adam, J, Aihara, H, Akiri, T, Andreopoulos, C, Aoki, S, Ariga, A, Ariga, T, Assylbekov, S, Autiero, D, Barbi, M, Barker, GJ, Barr, G, Bass, M, Batkiewicz, M, Bay, F, Bentham, SW, Berardi, V, Berger, BE, Berkman, S, Bertram, I, Bhadra, S, Blaszczyk, FDM, Blondel, A, Bojechko, C, Bordoni, S, Boyd, SB, Brailsford, D, Bravar, A, Bronner, C, Buchanan, N, Calland, RG, Caravaca Rodriguez, J, Cartwright, SL, Castillo, R, Catanesi, MG, Cervera, A, Cherdack, D, Christodoulou, G, Clifton, A, Coleman, J, Dealtry, T, Finch, AJ, Grant, N, Kormos, LL, Lamont, I, O'Keeffe, HM, Ratoff, PN, Reeves, M, Southwell, L & T2K Collaboration 2014, 'Observation of electron neutrino appearance in a muon neutrino beam', Physical review letters, vol. 112, no. 6, 061802. https://doi.org/10.1103/PhysRevLett.112.061802

APA

Abe, K., Adam, J., Aihara, H., Akiri, T., Andreopoulos, C., Aoki, S., Ariga, A., Ariga, T., Assylbekov, S., Autiero, D., Barbi, M., Barker, G. J., Barr, G., Bass, M., Batkiewicz, M., Bay, F., Bentham, S. W., Berardi, V., Berger, B. E., ... T2K Collaboration (2014). Observation of electron neutrino appearance in a muon neutrino beam. Physical review letters, 112(6), [061802]. https://doi.org/10.1103/PhysRevLett.112.061802

Vancouver

Abe K, Adam J, Aihara H, Akiri T, Andreopoulos C, Aoki S et al. Observation of electron neutrino appearance in a muon neutrino beam. Physical review letters. 2014 Feb 10;112(6). 061802. https://doi.org/10.1103/PhysRevLett.112.061802

Author

Abe, K. ; Adam, J. ; Aihara, H. ; Akiri, T. ; Andreopoulos, C. ; Aoki, S. ; Ariga, A. ; Ariga, T. ; Assylbekov, S. ; Autiero, D. ; Barbi, M. ; Barker, G. J. ; Barr, G. ; Bass, M. ; Batkiewicz, M. ; Bay, F. ; Bentham, S. W. ; Berardi, V. ; Berger, B. E. ; Berkman, S. ; Bertram, I. ; Bhadra, S. ; Blaszczyk, F. D. M. ; Blondel, A. ; Bojechko, C. ; Bordoni, S. ; Boyd, S. B. ; Brailsford, Dominic ; Bravar, A. ; Bronner, C. ; Buchanan, N. ; Calland, R. G. ; Caravaca Rodriguez, J. ; Cartwright, S. L. ; Castillo, R. ; Catanesi, M. G. ; Cervera, A. ; Cherdack, D. ; Christodoulou, G. ; Clifton, A. ; Coleman, J. ; Dealtry, Thomas ; Finch, A. J. ; Grant, N. ; Kormos, L. L. ; Lamont, I. ; O'Keeffe, H. M. ; Ratoff, P. N. ; Reeves, M. ; Southwell, L. ; T2K Collaboration. / Observation of electron neutrino appearance in a muon neutrino beam. In: Physical review letters. 2014 ; Vol. 112, No. 6.

Bibtex

@article{18c47970f9104e089fe7909222bc594a,
title = "Observation of electron neutrino appearance in a muon neutrino beam",
abstract = "The T2K experiment has observed electron neutrino appearance in a muon neutrino beam produced 295 km from the Super-Kamiokande detector with a peak energy of 0.6 GeV. A total of 28 electron neutrino events were detected with an energy distribution consistent with an appearance signal, corresponding to a significance of 7.3 sigma when compared to 4.92 +/- 0.55 expected background events. In the Pontecorvo-Maki-Nakagawa-Sakata mixing model, the electron neutrino appearance signal depends on several parameters including three mixing angles theta(12), theta(23), theta(13), a mass difference vertical bar Delta m(32)(2)vertical bar and a CP violating phase delta(CP). In this neutrino oscillation scenario, assuming vertical bar Delta m(32)(2)vertical bar = 2.4 x 10(-3) eV(2), sin theta(2)(23) = 0.5, and vertical bar Delta m(32)(2)vertical bar > 0 (vertical bar Delta m(32)(2)vertical bar <0), a best- fit value of sin2 theta(2)(13) = 0.140(- 0.032)(+0.038) (0.170(-0.037)(+0.045)) is obtained at delta(CP) = 0. When combining the result with the current best knowledge of oscillation parameters including the world average value of theta(13) from reactor experiments, some values of delta(CP) are disfavored at the 90% C. L.",
author = "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 Dominic Brailsford and A. Bravar and C. Bronner and N. Buchanan and Calland, {R. G.} and {Caravaca Rodriguez}, 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 Thomas Dealtry and Finch, {A. J.} and N. Grant and Kormos, {L. L.} and I. Lamont and O'Keeffe, {H. M.} and Ratoff, {P. N.} and M. Reeves and L. Southwell and {T2K Collaboration}",
note = "{\textcopyright} 2014 American Physical Society",
year = "2014",
month = feb,
day = "10",
doi = "10.1103/PhysRevLett.112.061802",
language = "English",
volume = "112",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "6",

}

RIS

TY - JOUR

T1 - Observation of electron neutrino appearance in a muon neutrino beam

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, Dominic

AU - Bravar, A.

AU - Bronner, C.

AU - Buchanan, N.

AU - Calland, R. G.

AU - Caravaca Rodriguez, 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 - Dealtry, Thomas

AU - Finch, A. J.

AU - Grant, N.

AU - Kormos, L. L.

AU - Lamont, I.

AU - O'Keeffe, H. M.

AU - Ratoff, P. N.

AU - Reeves, M.

AU - Southwell, L.

AU - T2K Collaboration

N1 - © 2014 American Physical Society

PY - 2014/2/10

Y1 - 2014/2/10

N2 - The T2K experiment has observed electron neutrino appearance in a muon neutrino beam produced 295 km from the Super-Kamiokande detector with a peak energy of 0.6 GeV. A total of 28 electron neutrino events were detected with an energy distribution consistent with an appearance signal, corresponding to a significance of 7.3 sigma when compared to 4.92 +/- 0.55 expected background events. In the Pontecorvo-Maki-Nakagawa-Sakata mixing model, the electron neutrino appearance signal depends on several parameters including three mixing angles theta(12), theta(23), theta(13), a mass difference vertical bar Delta m(32)(2)vertical bar and a CP violating phase delta(CP). In this neutrino oscillation scenario, assuming vertical bar Delta m(32)(2)vertical bar = 2.4 x 10(-3) eV(2), sin theta(2)(23) = 0.5, and vertical bar Delta m(32)(2)vertical bar > 0 (vertical bar Delta m(32)(2)vertical bar <0), a best- fit value of sin2 theta(2)(13) = 0.140(- 0.032)(+0.038) (0.170(-0.037)(+0.045)) is obtained at delta(CP) = 0. When combining the result with the current best knowledge of oscillation parameters including the world average value of theta(13) from reactor experiments, some values of delta(CP) are disfavored at the 90% C. L.

AB - The T2K experiment has observed electron neutrino appearance in a muon neutrino beam produced 295 km from the Super-Kamiokande detector with a peak energy of 0.6 GeV. A total of 28 electron neutrino events were detected with an energy distribution consistent with an appearance signal, corresponding to a significance of 7.3 sigma when compared to 4.92 +/- 0.55 expected background events. In the Pontecorvo-Maki-Nakagawa-Sakata mixing model, the electron neutrino appearance signal depends on several parameters including three mixing angles theta(12), theta(23), theta(13), a mass difference vertical bar Delta m(32)(2)vertical bar and a CP violating phase delta(CP). In this neutrino oscillation scenario, assuming vertical bar Delta m(32)(2)vertical bar = 2.4 x 10(-3) eV(2), sin theta(2)(23) = 0.5, and vertical bar Delta m(32)(2)vertical bar > 0 (vertical bar Delta m(32)(2)vertical bar <0), a best- fit value of sin2 theta(2)(13) = 0.140(- 0.032)(+0.038) (0.170(-0.037)(+0.045)) is obtained at delta(CP) = 0. When combining the result with the current best knowledge of oscillation parameters including the world average value of theta(13) from reactor experiments, some values of delta(CP) are disfavored at the 90% C. L.

U2 - 10.1103/PhysRevLett.112.061802

DO - 10.1103/PhysRevLett.112.061802

M3 - Journal article

VL - 112

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 6

M1 - 061802

ER -