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First Measurement of Electron Neutrino Appearance in NOvA.
Adamson, P; Ader, C; Andrews, M; Anfimov, N; Anghel, I; Arms, K; Arrieta-Diaz, E; Aurisano, A; Ayres, D S; Backhouse, C; Baird, M; Bambah, B A; Bays, K; Bernstein, R; Betancourt, M; Bhatnagar, V; Bhuyan, B; Bian, J; Biery, K; Blackburn, T; Bocean, V; Bogert, D; Bolshakova, A; Bowden, M; Bower, C; Broemmelsiek, D; Bromberg, C; Brunetti, G; Bu, X; Butkevich, A; Capista, D; Catano-Mur, E; Chase, T R; Childress, S; Choudhary, B C; Chowdhury, B; Coan, T E; Coelho, J A B; Colo, M; Cooper, J; Corwin, L; Cronin-Hennessy, D; Cunningham, A; Davies, G S; Davies, J P; Del Tutto, M; Derwent, P F; Deepthi, K N; Demuth, D; Desai, S.
Afiliación
  • Adamson P; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Ader C; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Andrews M; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Anfimov N; Joint Institute for Nuclear Research Joliot-Curie, 6 Dubna, Moscow Region 141980, Russia.
  • Anghel I; Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Arms K; Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA.
  • Arrieta-Diaz E; School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA.
  • Aurisano A; Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA.
  • Ayres DS; Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221, USA.
  • Backhouse C; Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Baird M; California Institute of Technology, Pasadena, California 91125, USA.
  • Bambah BA; Indiana University, Bloomington, Indiana 47405, USA.
  • Bays K; School of Physics, University of Hyderabad, Hyderabad 500 046, India.
  • Bernstein R; California Institute of Technology, Pasadena, California 91125, USA.
  • Betancourt M; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Bhatnagar V; School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA.
  • Bhuyan B; Department of Physics, Panjab University, Chandigarh 106 014, India.
  • Bian J; Department of Physics, IIT Guwahati, Guwahati 781 039, India.
  • Biery K; School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA.
  • Blackburn T; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Bocean V; Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom.
  • Bogert D; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Bolshakova A; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Bowden M; Joint Institute for Nuclear Research Joliot-Curie, 6 Dubna, Moscow Region 141980, Russia.
  • Bower C; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Broemmelsiek D; Indiana University, Bloomington, Indiana 47405, USA.
  • Bromberg C; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Brunetti G; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Bu X; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Butkevich A; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Capista D; Institute for Nuclear Research of Russian Academy of Sciences, 7a 60th October Anniversary Prospect, Moscow 117312, Russia.
  • Catano-Mur E; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Chase TR; Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA.
  • Childress S; School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA.
  • Choudhary BC; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Chowdhury B; Department of Physics & Astrophysics, University of Delhi, Delhi 110007, India.
  • Coan TE; Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA.
  • Coelho JA; Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA.
  • Colo M; Department of Physics and Astonomy, Tufts University, Medford, Massachusetts 02155, USA.
  • Cooper J; Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA.
  • Corwin L; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Cronin-Hennessy D; South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA.
  • Cunningham A; School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA.
  • Davies GS; Physics Department, University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75083-0688, USA.
  • Davies JP; Indiana University, Bloomington, Indiana 47405, USA.
  • Del Tutto M; Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom.
  • Derwent PF; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Deepthi KN; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Demuth D; School of Physics, University of Hyderabad, Hyderabad 500 046, India.
  • Desai S; Math, Science and Technology Department, University of Minnesota-Crookston, Crookston, Minnesota 56716, USA.
Phys Rev Lett ; 116(15): 151806, 2016 04 15.
Article en En | MEDLINE | ID: mdl-27127961
ABSTRACT
We report results from the first search for ν_{µ}→ν_{e} transitions by the NOvA experiment. In an exposure equivalent to 2.74×10^{20} protons on target in the upgraded NuMI beam at Fermilab, we observe 6 events in the Far Detector, compared to a background expectation of 0.99±0.11(syst) events based on the Near Detector measurement. A secondary analysis observes 11 events with a background of 1.07±0.14(syst). The 3.3σ excess of events observed in the primary analysis disfavors 0.1π<δ_{CP}<0.5π in the inverted mass hierarchy at the 90% C.L.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2016 Tipo del documento: Article País de afiliación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2016 Tipo del documento: Article País de afiliación: Estados Unidos