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Measurement of Atmospheric Neutrino Oscillations at 6-56 GeV with IceCube DeepCore.
Aartsen, M G; Ackermann, M; Adams, J; Aguilar, J A; Ahlers, M; Ahrens, M; Al Samarai, I; Altmann, D; Andeen, K; Anderson, T; Ansseau, I; Anton, G; Argüelles, C; Auffenberg, J; Axani, S; Bagherpour, H; Bai, X; Barron, J P; Barwick, S W; Baum, V; Bay, R; Beatty, J J; Becker Tjus, J; Becker, K-H; BenZvi, S; Berley, D; Bernardini, E; Besson, D Z; Binder, G; Bindig, D; Blaufuss, E; Blot, S; Bohm, C; Börner, M; Bos, F; Bose, D; Böser, S; Botner, O; Bourbeau, J; Bradascio, F; Braun, J; Brayeur, L; Brenzke, M; Bretz, H-P; Bron, S; Brostean-Kaiser, J; Burgman, A; Carver, T; Casey, J; Casier, M.
Afiliação
  • Aartsen MG; Department of Physics, University of Adelaide, Adelaide 5005, Australia.
  • Ackermann M; DESY, D-15738 Zeuthen, Germany.
  • Adams J; Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.
  • Aguilar JA; Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium.
  • Ahlers M; Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark.
  • Ahrens M; Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden.
  • Al Samarai I; Département de physique nucléaire et corpusculaire, Université de Genève, CH-1211 Genève, Switzerland.
  • Altmann D; Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany.
  • Andeen K; Department of Physics, Marquette University, Milwaukee, Wisconsin 53201, USA.
  • Anderson T; Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA.
  • Ansseau I; Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium.
  • Anton G; Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany.
  • Argüelles C; Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Auffenberg J; III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany.
  • Axani S; Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Bagherpour H; Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.
  • Bai X; Physics Department, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA.
  • Barron JP; Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1.
  • Barwick SW; Department of Physics and Astronomy, University of California, Irvine, California 92697, USA.
  • Baum V; Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany.
  • Bay R; Department of Physics, University of California, Berkeley, California 94720, USA.
  • Beatty JJ; Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, Ohio 43210, USA.
  • Becker Tjus J; Department of Astronomy, Ohio State University, Columbus, Ohio 43210, USA.
  • Becker KH; Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany.
  • BenZvi S; Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany.
  • Berley D; Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, USA.
  • Bernardini E; Department of Physics, University of Maryland, College Park, Maryland 20742, USA.
  • Besson DZ; DESY, D-15738 Zeuthen, Germany.
  • Binder G; Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA.
  • Bindig D; Department of Physics, University of California, Berkeley, California 94720, USA.
  • Blaufuss E; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Blot S; Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany.
  • Bohm C; Department of Physics, University of Maryland, College Park, Maryland 20742, USA.
  • Börner M; DESY, D-15738 Zeuthen, Germany.
  • Bos F; Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden.
  • Bose D; Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany.
  • Böser S; Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany.
  • Botner O; Department of Physics, Sungkyunkwan University, Suwon 440-746, Korea.
  • Bourbeau J; Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany.
  • Bradascio F; Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden.
  • Braun J; Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA.
  • Brayeur L; DESY, D-15738 Zeuthen, Germany.
  • Brenzke M; Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA.
  • Bretz HP; Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium.
  • Bron S; III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany.
  • Brostean-Kaiser J; DESY, D-15738 Zeuthen, Germany.
  • Burgman A; Département de physique nucléaire et corpusculaire, Université de Genève, CH-1211 Genève, Switzerland.
  • Carver T; DESY, D-15738 Zeuthen, Germany.
  • Casey J; Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden.
  • Casier M; Département de physique nucléaire et corpusculaire, Université de Genève, CH-1211 Genève, Switzerland.
Phys Rev Lett ; 120(7): 071801, 2018 Feb 16.
Article em En | MEDLINE | ID: mdl-29542976
ABSTRACT
We present a measurement of the atmospheric neutrino oscillation parameters using three years of data from the IceCube Neutrino Observatory. The DeepCore infill array in the center of IceCube enables the detection and reconstruction of neutrinos produced by the interaction of cosmic rays in Earth's atmosphere at energies as low as ∼5 GeV. That energy threshold permits measurements of muon neutrino disappearance, over a range of baselines up to the diameter of the Earth, probing the same range of L/E_{ν} as long-baseline experiments but with substantially higher-energy neutrinos. This analysis uses neutrinos from the full sky with reconstructed energies from 5.6 to 56 GeV. We measure Δm_{32}^{2}=2.31_{-0.13}^{+0.11}×10^{-3} eV^{2} and sin^{2}θ_{23}=0.51_{-0.09}^{+0.07}, assuming normal neutrino mass ordering. These results are consistent with, and of similar precision to, those from accelerator- and reactor-based experiments.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2018 Tipo de documento: Article
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2018 Tipo de documento: Article