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Observation of high-energy astrophysical neutrinos in three years of IceCube data.
Aartsen, M G; Ackermann, M; Adams, J; Aguilar, J A; Ahlers, M; Ahrens, M; Altmann, D; Anderson, T; Arguelles, C; Arlen, T C; Auffenberg, J; Bai, X; Barwick, S W; Baum, V; Beatty, J J; Becker Tjus, J; Becker, K-H; BenZvi, S; Berghaus, P; Berley, D; Bernardini, E; Bernhard, A; Besson, D Z; Binder, G; Bindig, D; Bissok, M; Blaufuss, E; Blumenthal, J; Boersma, D J; Bohm, C; Bose, D; Böser, S; Botner, O; Brayeur, L; Bretz, H-P; Brown, A M; Casey, J; Casier, M; Chirkin, D; Christov, A; Christy, B; Clark, K; Classen, L; Clevermann, F; Coenders, S; Cowen, D F; Cruz Silva, A H; Danninger, M; Daughhetee, J; Davis, J C.
Afiliación
  • Aartsen MG; School of Chemistry & Physics, University of Adelaide, Adelaide, South Australia 5005 Australia.
  • Ackermann M; DESY, D-15735 Zeuthen, Germany.
  • Adams J; Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.
  • Aguilar JA; Département de physique nucléaire et corpusculaire, Université de Genève, CH-1211 Genève, Switzerland.
  • Ahlers M; Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA.
  • Ahrens M; Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden.
  • Altmann D; Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany.
  • Anderson T; Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA.
  • Arguelles C; Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA.
  • Arlen TC; Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA.
  • Auffenberg J; III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany.
  • Bai X; Department of Physics, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA.
  • 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.
  • Beatty JJ; Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, Ohio 43210, USA and Department of Astronomy, Ohio State University, Columbus, Ohio 43210, USA.
  • Becker Tjus J; Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany.
  • Becker KH; Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany.
  • BenZvi S; Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA.
  • Berghaus P; DESY, D-15735 Zeuthen, Germany.
  • Berley D; Department of Physics, University of Maryland, College Park, Maryland 20742, USA.
  • Bernardini E; DESY, D-15735 Zeuthen, Germany.
  • Bernhard A; T.U. Munich, D-85748 Garching, Germany.
  • Besson DZ; Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA.
  • Binder G; Department of Physics, University of California, Berkeley, California 94720, USA and Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Bindig D; Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany.
  • Bissok M; III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany.
  • Blaufuss E; Department of Physics, University of Maryland, College Park, Maryland 20742, USA.
  • Blumenthal J; III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany.
  • Boersma DJ; Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden.
  • Bohm C; Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden.
  • Bose D; Department of Physics, Sungkyunkwan University, Suwon 440-746, Korea.
  • Böser S; Physikalisches Institut, Universität Bonn, Nussallee 12, D-53115 Bonn, Germany.
  • Botner O; Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden.
  • Brayeur L; Vrije Universiteit Brussel, Dienst ELEM, B-1050 Brussels, Belgium.
  • Bretz HP; DESY, D-15735 Zeuthen, Germany.
  • Brown AM; Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.
  • Casey J; School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA.
  • Casier M; Vrije Universiteit Brussel, Dienst ELEM, B-1050 Brussels, Belgium.
  • Chirkin D; Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA.
  • Christov A; Département de physique nucléaire et corpusculaire, Université de Genève, CH-1211 Genève, Switzerland.
  • Christy B; Department of Physics, University of Maryland, College Park, Maryland 20742, USA.
  • Clark K; Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada.
  • Classen L; Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany.
  • Clevermann F; Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany.
  • Coenders S; T.U. Munich, D-85748 Garching, Germany.
  • Cowen DF; Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, Pennsylvania 16802, USA and Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA.
  • Cruz Silva AH; DESY, D-15735 Zeuthen, Germany.
  • Danninger M; Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden.
  • Daughhetee J; School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA.
  • Davis JC; Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, Ohio 43210, USA.
Phys Rev Lett ; 113(10): 101101, 2014 Sep 05.
Article en En | MEDLINE | ID: mdl-25238345
ABSTRACT
A search for high-energy neutrinos interacting within the IceCube detector between 2010 and 2012 provided the first evidence for a high-energy neutrino flux of extraterrestrial origin. Results from an analysis using the same methods with a third year (2012-2013) of data from the complete IceCube detector are consistent with the previously reported astrophysical flux in the 100 TeV-PeV range at the level of 10(-8) GeV cm-2 s-1 sr-1 per flavor and reject a purely atmospheric explanation for the combined three-year data at 5.7σ. The data are consistent with expectations for equal fluxes of all three neutrino flavors and with isotropic arrival directions, suggesting either numerous or spatially extended sources. The three-year data set, with a live time of 988 days, contains a total of 37 neutrino candidate events with deposited energies ranging from 30 to 2000 TeV. The 2000-TeV event is the highest-energy neutrino interaction ever observed.
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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2014 Tipo del documento: Article
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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2014 Tipo del documento: Article