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Adamson P, Aliaga L, Ambrose D, Anfimov N, Antoshkin A, Arrieta-Diaz E, Augsten K, Aurisano A, Backhouse C, Baird M, Bambah BA, Bays K, Behera B, Bending S, Bernstein R, Bhatnagar V, Bhuyan B, Bian J, Blackburn T, Bolshakova A, Bromberg C, Brown J, Brunetti G, Buchanan N, Butkevich A, Bychkov V, Campbell M, Catano-Mur E, Childress S, Choudhary BC, Chowdhury B, Coan TE, Coelho JAB, Colo M, Cooper J, Corwin L, Cremonesi L, Cronin-Hennessy D, Davies GS, Davies JP, Derwent PF, Desai S, Dharmapalan R, Ding P, Djurcic Z, Dukes EC, Duyang H, Edayath S, Ehrlich R, Feldman GJ, Frank MJ, Gabrielyan M, Gallagher HR, Germani S, Ghosh T, Giri A, Gomes RA, Goodman MC, Grichine V, Group R, Grover D, Guo B, Habig A, Hartnell J, Hatcher R, Hatzikoutelis A, Heller K, Himmel A, Holin A, Hylen J, Jediny F, Judah M, Kafka GK, Kalra D, Kasahara SMS, Kasetti S, Keloth R, Kolupaeva L, Kotelnikov S, Kourbanis I, Kreymer A, Kumar A, Kurbanov S, Lang K, Lee WM, Lin S, Liu J, Lokajicek M, Lozier J, Luchuk S, Maan K, Magill S, Mann WA, Marshak ML, Matera K, Matveev V, Méndez DP, Messier MD, Meyer H, Miao T, Miller WH, Mishra SR, Mohanta R, Moren A, Mualem L, Muether M, Mufson S, Murphy R, Musser J, Nelson JK, Nichol R, Niner E, Norman A, Nosek T, Oksuzian Y, Olshevskiy A, Olson T, Paley J, Pandey P, Patterson RB, Pawloski G, Pershey D, Petrova O, Petti R, Phan-Budd S, Plunkett RK, Poling R, Potukuchi B, Principato C, Psihas F, Radovic A, Rameika RA, Rebel B, Reed B, Rocco D, Rojas P, Ryabov V, Sachdev K, Sail P, Samoylov O, Sanchez MC, Schroeter R, Sepulveda-Quiroz J, Shanahan P, Sheshukov A, Singh J, Singh J, Singh P, Singh V, Smolik J, Solomey N, Song E, Sousa A, Soustruznik K, Strait M, Suter L, Talaga RL, Tamsett MC, Tas P, Thayyullathil RB, Thomas J, Tian X, Tognini SC, Tripathi J, Tsaris A, Urheim J, Vahle P, Vasel J, Vinton L, Vold A, Vrba T, Wang B, Wetstein M, Whittington D, Wojcicki SG, Wolcott J, Yadav N, Yang S, Zalesak J, Zamorano B, Zwaska R. Measurement of the Neutrino Mixing Angle θ_{23} in NOvA. Phys Rev Lett 2017; 118:151802. [PMID: 28452513 DOI: 10.1103/physrevlett.118.151802] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Indexed: 06/07/2023]
Abstract
This Letter reports new results on muon neutrino disappearance from NOvA, using a 14 kton detector equivalent exposure of 6.05×10^{20} protons on target from the NuMI beam at the Fermi National Accelerator Laboratory. The measurement probes the muon-tau symmetry hypothesis that requires maximal θ_{23} mixing (θ_{23}=π/4). Assuming the normal mass hierarchy, we find Δm_{32}^{2}=(2.67±0.11)×10^{-3} eV^{2} and sin^{2}θ_{23} at the two statistically degenerate values 0.404_{-0.022}^{+0.030} and 0.624_{-0.030}^{+0.022}, both at the 68% confidence level. Our data disfavor the maximal mixing scenario with 2.6σ significance.
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Affiliation(s)
- P Adamson
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - L Aliaga
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D Ambrose
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - N Anfimov
- Joint Institute for Nuclear Research, Dubna, Moscow Region 141980, Russia
| | - A Antoshkin
- Joint Institute for Nuclear Research, Dubna, Moscow Region 141980, Russia
| | - E Arrieta-Diaz
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - K Augsten
- Czech Technical University in Prague, Brehova 7, 115 19 Prague 1, Czech Republic
| | - A Aurisano
- Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - C Backhouse
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Baird
- Indiana University, Bloomington, Indiana 47405, USA
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - B A Bambah
- School of Physics, University of Hyderabad, Hyderabad 500 046, India
| | - K Bays
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Behera
- Department of Physics, IIT Hyderabad, Hyderabad 502 205, India
| | - S Bending
- Physics and Astronomy Department, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - R Bernstein
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - V Bhatnagar
- Department of Physics, Panjab University, Chandigarh, 106 014, India
| | - B Bhuyan
- Department of Physics, IIT Guwahati, Guwahati 781 039, India
| | - J Bian
- Department of Physics and Astronomy, University of California at Irvine, Irvine, California 92697, USA
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - T Blackburn
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - A Bolshakova
- Joint Institute for Nuclear Research, Dubna, Moscow Region 141980, Russia
| | - C Bromberg
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - J Brown
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - G Brunetti
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - N Buchanan
- Department of Physics, Colorado State University, Fort Collins, Colorado 80523-1875, USA
| | - A Butkevich
- Institute for Nuclear Research of Russia, Academy of Sciences 7a, 60th October Anniversary Prospect, Moscow 117312, Russia
| | - V Bychkov
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - M Campbell
- Physics and Astronomy Department, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - E Catano-Mur
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
| | - S Childress
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - B C Choudhary
- Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
| | - B Chowdhury
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - T E Coan
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - J A B Coelho
- Department of Physics and Astronomy, Tufts University, Medford, Massachusetts 02155, USA
| | - M Colo
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - J Cooper
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - L Corwin
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - L Cremonesi
- Physics and Astronomy Department, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - D Cronin-Hennessy
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - G S Davies
- Indiana University, Bloomington, Indiana 47405, USA
| | - J P Davies
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - P F Derwent
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - S Desai
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - R Dharmapalan
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - P Ding
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - Z Djurcic
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - E C Dukes
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - H Duyang
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - S Edayath
- Department of Physics, Cochin University of Science and Technology, Kochi 682 022, India
| | - R Ehrlich
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - G J Feldman
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
| | - M J Frank
- Department of Physics, University of South Alabama, Mobile, Alabama 36688, USA
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - M Gabrielyan
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - H R Gallagher
- Department of Physics and Astronomy, Tufts University, Medford, Massachusetts 02155, USA
| | - S Germani
- Physics and Astronomy Department, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - T Ghosh
- Instituto de Física, Universidade Federal de Goiás, Goiánia, Goiás 74690-900, Brazil
| | - A Giri
- Department of Physics, IIT Hyderabad, Hyderabad 502 205, India
| | - R A Gomes
- Instituto de Física, Universidade Federal de Goiás, Goiánia, Goiás 74690-900, Brazil
| | - M C Goodman
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - V Grichine
- Nuclear Physics Department, Lebedev Physical Institute, Leninsky Prospect 53, 119991 Moscow, Russia
| | - R Group
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - D Grover
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi 221 005, India
| | - B Guo
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - A Habig
- Department of Physics and Astronomy, University of Minnesota Duluth, Duluth, Minnesota 55812, USA
| | - J Hartnell
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - R Hatcher
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Hatzikoutelis
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - K Heller
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - A Himmel
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Holin
- Physics and Astronomy Department, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - J Hylen
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - F Jediny
- Czech Technical University in Prague, Brehova 7, 115 19 Prague 1, Czech Republic
| | - M Judah
- Department of Physics, Colorado State University, Fort Collins, Colorado 80523-1875, USA
| | - G K Kafka
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
| | - D Kalra
- Department of Physics, Panjab University, Chandigarh, 106 014, India
| | - S M S Kasahara
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - S Kasetti
- School of Physics, University of Hyderabad, Hyderabad 500 046, India
| | - R Keloth
- Department of Physics, Cochin University of Science and Technology, Kochi 682 022, India
| | - L Kolupaeva
- Joint Institute for Nuclear Research, Dubna, Moscow Region 141980, Russia
| | - S Kotelnikov
- Nuclear Physics Department, Lebedev Physical Institute, Leninsky Prospect 53, 119991 Moscow, Russia
| | - I Kourbanis
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Kreymer
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Kumar
- Department of Physics, Panjab University, Chandigarh, 106 014, India
| | - S Kurbanov
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - K Lang
- Department of Physics, University of Texas at Austin, Austin, Texas 78712, USA
| | - W M Lee
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - S Lin
- Department of Physics, Colorado State University, Fort Collins, Colorado 80523-1875, USA
| | - J Liu
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - M Lokajicek
- Institute of Physics, The Czech Academy of Sciences, 182 21 Prague, Czech Republic
| | - J Lozier
- California Institute of Technology, Pasadena, California 91125, USA
| | - S Luchuk
- Institute for Nuclear Research of Russia, Academy of Sciences 7a, 60th October Anniversary Prospect, Moscow 117312, Russia
| | - K Maan
- Department of Physics, Panjab University, Chandigarh, 106 014, India
| | - S Magill
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - W A Mann
- Department of Physics and Astronomy, Tufts University, Medford, Massachusetts 02155, USA
| | - M L Marshak
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - K Matera
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - V Matveev
- Institute for Nuclear Research of Russia, Academy of Sciences 7a, 60th October Anniversary Prospect, Moscow 117312, Russia
| | - D P Méndez
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - M D Messier
- Indiana University, Bloomington, Indiana 47405, USA
| | - H Meyer
- Department of Mathematics, Statistics, and Physics, Wichita State University, Wichita, Kansas 67206, USA
| | - T Miao
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - W H Miller
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - S R Mishra
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - R Mohanta
- School of Physics, University of Hyderabad, Hyderabad 500 046, India
| | - A Moren
- Department of Physics and Astronomy, University of Minnesota Duluth, Duluth, Minnesota 55812, USA
| | - L Mualem
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Muether
- Department of Mathematics, Statistics, and Physics, Wichita State University, Wichita, Kansas 67206, USA
| | - S Mufson
- Indiana University, Bloomington, Indiana 47405, USA
| | - R Murphy
- Indiana University, Bloomington, Indiana 47405, USA
| | - J Musser
- Indiana University, Bloomington, Indiana 47405, USA
| | - J K Nelson
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - R Nichol
- Physics and Astronomy Department, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - E Niner
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
- Indiana University, Bloomington, Indiana 47405, USA
| | - A Norman
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - T Nosek
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague 116 36, Czech Republic
| | - Y Oksuzian
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - A Olshevskiy
- Joint Institute for Nuclear Research, Dubna, Moscow Region 141980, Russia
| | - T Olson
- Department of Physics and Astronomy, Tufts University, Medford, Massachusetts 02155, USA
| | - J Paley
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - P Pandey
- Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
| | - R B Patterson
- California Institute of Technology, Pasadena, California 91125, USA
| | - G Pawloski
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - D Pershey
- California Institute of Technology, Pasadena, California 91125, USA
| | - O Petrova
- Joint Institute for Nuclear Research, Dubna, Moscow Region 141980, Russia
| | - R Petti
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - S Phan-Budd
- Department of Physics, Winona State University, P.O. Box 5838, Winona, Minnesota 55987, USA
| | - R K Plunkett
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R Poling
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - B Potukuchi
- Department of Physics and Electronics, University of Jammu, Jammu Tawi, 180 006 Jammu and Kashmir, India
| | - C Principato
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - F Psihas
- Indiana University, Bloomington, Indiana 47405, USA
| | - A Radovic
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - R A Rameika
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - B Rebel
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - B Reed
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - D Rocco
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - P Rojas
- Department of Physics, Colorado State University, Fort Collins, Colorado 80523-1875, USA
| | - V Ryabov
- Nuclear Physics Department, Lebedev Physical Institute, Leninsky Prospect 53, 119991 Moscow, Russia
| | - K Sachdev
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - P Sail
- Department of Physics, University of Texas at Austin, Austin, Texas 78712, USA
| | - O Samoylov
- Joint Institute for Nuclear Research, Dubna, Moscow Region 141980, Russia
| | - M C Sanchez
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
| | - R Schroeter
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
| | - J Sepulveda-Quiroz
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
| | - P Shanahan
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Sheshukov
- Joint Institute for Nuclear Research, Dubna, Moscow Region 141980, Russia
| | - J Singh
- Department of Physics, Panjab University, Chandigarh, 106 014, India
| | - J Singh
- Department of Physics and Electronics, University of Jammu, Jammu Tawi, 180 006 Jammu and Kashmir, India
| | - P Singh
- Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
| | - V Singh
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi 221 005, India
| | - J Smolik
- Czech Technical University in Prague, Brehova 7, 115 19 Prague 1, Czech Republic
| | - N Solomey
- Department of Mathematics, Statistics, and Physics, Wichita State University, Wichita, Kansas 67206, USA
| | - E Song
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - A Sousa
- Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - K Soustruznik
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague 116 36, Czech Republic
| | - M Strait
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - L Suter
- Argonne National Laboratory, Argonne, Illinois 60439, USA
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R L Talaga
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - M C Tamsett
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - P Tas
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague 116 36, Czech Republic
| | - R B Thayyullathil
- Department of Physics, Cochin University of Science and Technology, Kochi 682 022, India
| | - J Thomas
- Physics and Astronomy Department, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - X Tian
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - S C Tognini
- Instituto de Física, Universidade Federal de Goiás, Goiánia, Goiás 74690-900, Brazil
| | - J Tripathi
- Department of Physics, Panjab University, Chandigarh, 106 014, India
| | - A Tsaris
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - J Urheim
- Indiana University, Bloomington, Indiana 47405, USA
| | - P Vahle
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - J Vasel
- Indiana University, Bloomington, Indiana 47405, USA
| | - L Vinton
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - A Vold
- School of Physics and Astronomy, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, USA
| | - T Vrba
- Czech Technical University in Prague, Brehova 7, 115 19 Prague 1, Czech Republic
| | - B Wang
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - M Wetstein
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
| | | | - S G Wojcicki
- Department of Physics, Stanford University, Stanford, California 94305, USA
| | - J Wolcott
- Department of Physics and Astronomy, Tufts University, Medford, Massachusetts 02155, USA
| | - N Yadav
- Department of Physics, IIT Guwahati, Guwahati 781 039, India
| | - S Yang
- Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J Zalesak
- Institute of Physics, The Czech Academy of Sciences, 182 21 Prague, Czech Republic
| | - B Zamorano
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - R Zwaska
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
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