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Evidence for high-energy extraterrestrial neutrinos at the icecube detector

  • M. G. Aartsen
  • , R. Abbasi
  • , Y. Abdou
  • , M. Ackermann
  • , J. Adams
  • , J. A. Aguilar
  • , M. Ahlers
  • , D. Altmann
  • , J. Auffenberg
  • , X. Bai
  • , M. Baker
  • , S. W. Barwick
  • , V. Baum
  • , R. Bay
  • , J. J. Beatty
  • , S. Bechet
  • , J. Becker Tjus
  • , K. H. Becker
  • , M. L. Benabderrahmane
  • , S. BenZvi
  • P. Berghaus, D. Berley, E. Bernardini, A. Bernhard, D. Bertrand, D. Z. Besson, G. Binder, D. Bindig, M. Bissok, E. Blaufuss, J. Blumenthal, D. J. Boersma, S. Bohaichuk, C. Bohm, D. Bose, S. Böser, O. Botner, L. Brayeur, H. P. Bretz, A. M. Brown, R. Bruijn, J. Brunner, M. Carson, J. Casey, M. Casier, D. Chirkin, A. Christov, B. Christy, K. Clark, F. Clevermann, S. Coenders, S. Cohen, D. F. Cowen, A. H. Cruz Silva, M. Danninger, J. Daughhetee, J. C. Davis, M. Day, C. De Clercq, S. De Ridder, P. Desiati, K. D. De Vries, M. De With, T. DeYoung, J. C. Díaz-Vélez, M. Dunkman, R. Eagan, B. Eberhardt, B. Eichmann, J. Eisch, R. W. Ellsworth, S. Euler, P. A. Evenson, O. Fadiran, A. R. Fazely, A. Fedynitch, J. Feintzeig, T. Feusels, K. Filimonov, C. Finley, T. Fischer-Wasels, S. Flis, A. Franckowiak, K. Frantzen, T. Fuchs, T. K. Gaisser, J. Gallagher, L. Gerhardt, L. Gladstone, T. Glüsenkamp, A. Goldschmidt, G. Golup, J. G. Gonzalez, J. A. Goodman, D. Góra, D. T. Grandmont, D. Grant, A. Groß, C. Ha, A. Haj Ismail, P. Hallen, A. Hallgren, F. Halzen, K. Hanson, D. Heereman, D. Heinen, K. Helbing, R. Hellauer, S. Hickford, G. C. Hill, K. D. Hoffman, R. Hoffmann, A. Homeier, K. Hoshina, W. Huelsnitz, P. O. Hulth, K. Hultqvist, S. Hussain, A. Ishihara, E. Jacobi, J. Jacobsen, K. Jagielski, G. S. Japaridze, K. Jero, O. Jlelati, B. Kaminsky, A. Kappes, T. Karg, A. Karle, J. L. Kelley, J. Kiryluk, J. Kläs, S. R. Klein, J. H. Köhne, G. Kohnen, H. Kolanoski, L. Köpke, C. Kopper, S. Kopper, D. J. Koskinen, M. Kowalski, M. Krasberg, K. Krings, G. Kroll, J. Kunnen, N. Kurahashi, T. Kuwabara, M. Labare, H. Landsman, M. J. Larson, M. Lesiak-Bzdak, M. Leuermann, J. Leute, J. Lünemann, J. Madsen, G. Maggi, R. Maruyama, K. Mase, H. S. Matis, F. McNally, K. Meagher, M. Merck, T. Meures, S. Miarecki, E. Middell, N. Milke, J. Miller, L. Mohrmann, T. Montaruli, R. Morse, R. Nahnhauer, U. Naumann, H. Niederhausen, S. C. Nowicki, D. R. Nygren, A. Obertacke, S. Odrowski, A. Olivas, A. O'Murchadha, L. Paul, J. A. Pepper, C. De Pérez Los Heros, C. Pfendner, D. Pieloth, E. Pinat, J. Posselt, P. B. Price, G. T. Przybylski, L. Rädel, M. Rameez, K. Rawlins, P. Redl, R. Reimann, E. Resconi, W. Rhode, M. Ribordy, M. Richman, B. Riedel, J. P. Rodrigues, C. Rott, T. Ruhe, B. Ruzybayev, D. Ryckbosch, S. M. Saba, T. Salameh, H. G. Sander, M. Santander, S. Sarkar, K. Schatto, F. Scheriau, T. Schmidt, M. Schmitz, S. Schoenen, S. Schöneberg, A. Schönwald, A. Schukraft, L. Schulte, O. Schulz, D. Seckel, Y. Sestayo, S. Seunarine, R. Shanidze, C. Sheremata, M. W.E. Smith, D. Soldin, G. M. Spiczak, C. Spiering, M. Stamatikos, T. Stanev, A. Stasik, T. Stezelberger, R. G. Stokstad, A. Stößl, E. A. Strahler, R. Ström, G. W. Sullivan, H. Taavola, I. Taboada, A. Tamburro, A. Tepe, S. Ter-Antonyan, G. Tešić, S. Tilav, P. A. Toale, S. Toscano, E. Unger, M. Usner, N. Van Eijndhoven, A. Van Overloop, J. Van Santen, M. Vehring, M. Voge, M. Vraeghe, C. Walck, T. Waldenmaier, M. Wallraff, Ch Weaver, M. Wellons, C. Wendt, S. Westerhoff, N. Whitehorn, K. Wiebe, C. H. Wiebusch, D. R. Williams, H. Wissing, M. Wolf, T. R. Wood, K. Woschnagg, D. L. Xu, X. W. Xu, J. P. Yanez, G. Yodh, S. Yoshida, P. Zarzhitsky, J. Ziemann, S. Zierke, M. Zoll
  • University of Adelaide
  • University of Wisconsin
  • Ghent University
  • Deutsches Elektronen-Synchrotron (DESY)
  • University of Canterbury
  • University of Geneva
  • Humboldt-Universität zu Berlin
  • University of Delaware
  • University of California, Irvine
  • Johannes Gutenberg University
  • University of California at Berkeley
  • Ohio State University
  • Université Libre de Bruxelles
  • Max-Planck-lnstitut für Kohlenforschung
  • Bergische Universität Wuppertal
  • University of Maryland, College Park
  • Technical University of Munich
  • University of Kansas
  • Lawrence Berkeley National Laboratory
  • RWTH Aachen University
  • Uppsala University
  • University of Alberta
  • Oskar Klein Centre
  • VUB Neurology
  • University of Bonn
  • EPFL
  • Georgia Institute of Technology
  • The Pennsylvania State University
  • pro3dure medical GmbH
  • Southern University and A&M College
  • University of Wisconsin-Madison
  • Chiba-U
  • Clark-Atlanta University
  • SUNY
  • University of Mons
  • University of Alabama
  • University of Wisconsin-River Falls
  • University of Alaska Anchorage
  • Sungkyunkwan University
  • University of Oxford

Research output: Contribution to journalArticlepeer-review

1550 Scopus citations

Abstract

We report on results of an all-sky search for high-energy neutrino events interacting within the IceCube neutrino detector conducted between May 2010 and May 2012. The search follows up on the previous detection of two PeV neutrino events, with improved sensitivity and extended energy coverage down to about 30 TeV. Twenty-six additional events were observed, substantially more than expected from atmospheric backgrounds. Combined, both searches reject a purely atmospheric origin for the 28 events at the 4σ level. These 28 events, which include the highest energy neutrinos ever observed, have flavors, directions, and energies inconsistent with those expected from the atmospheric muon and neutrino backgrounds. These properties are, however, consistent with generic predictions for an additional component of extraterrestrial origin.

Original languageEnglish
Article number1242856
JournalScience
Volume342
Issue number6161
DOIs
StatePublished - 2013

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