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Time-Integrated Neutrino Source Searches with 10 Years of IceCube Data

  • M. G. Aartsen
  • , M. Ackermann
  • , J. Adams
  • , J. A. Aguilar
  • , M. Ahlers
  • , M. Ahrens
  • , C. Alispach
  • , K. Andeen
  • , T. Anderson
  • , I. Ansseau
  • , G. Anton
  • , C. Arguëlles
  • , J. Auffenberg
  • , S. Axani
  • , P. Backes
  • , H. Bagherpour
  • , X. Bai
  • , A. Balagopal
  • , A. Barbano
  • , S. W. Barwick
  • B. Bastian, V. Baum, S. Baur, R. Bay, J. J. Beatty, K. H. Becker, J. Becker Tjus, S. Benzvi, D. Berley, E. Bernardini, D. Z. Besson, G. Binder, D. Bindig, E. Blaufuss, S. Blot, C. Bohm, M. Börner, S. Böser, O. Botner, J. Böttcher, E. Bourbeau, J. Bourbeau, F. Bradascio, J. Braun, S. Bron, J. Brostean-Kaiser, A. Burgman, J. Buscher, R. S. Busse, T. Carver, C. Chen, E. Cheung, D. Chirkin, S. Choi, K. Clark, L. Classen, A. Coleman, G. H. Collin, J. M. Conrad, P. Coppin, P. Correa, D. F. Cowen, R. Cross, P. Dave, C. De Clercq, J. J. Delaunay, H. Dembinski, K. Deoskar, S. De Ridder, P. Desiati, K. D. De Vries, G. De Wasseige, M. De With, T. Deyoung, A. Diaz, J. C. Diáz-Vélez, H. Dujmovic, M. Dunkman, E. Dvorak, B. Eberhardt, T. Ehrhardt, P. Eller, R. Engel, P. A. Evenson, S. Fahey, A. R. Fazely, J. Felde, K. Filimonov, C. Finley, D. Fox, A. Franckowiak, E. Friedman, A. Fritz, T. K. Gaisser, J. Gallagher, E. Ganster, S. Garrappa, L. Gerhardt, K. Ghorbani, T. Glauch, T. Glüsenkamp, A. Goldschmidt, J. G. Gonzalez, D. Grant, Z. Griffith, S. Griswold, M. Günder, M. Gündüz, C. Haack, A. Hallgren, R. Halliday, L. Halve, F. Halzen, K. Hanson, A. Haungs, D. Hebecker, D. Heereman, P. Heix, K. Helbing, R. Hellauer, F. Henningsen, S. Hickford, J. Hignight, G. C. Hill, K. D. Hoffman, R. Hoffmann, T. Hoinka, B. Hokanson-Fasig, K. Hoshina, F. Huang, M. Huber, T. Huber, K. Hultqvist, M. Hünnefeld, R. Hussain, S. In, N. Iovine, A. Ishihara, G. S. Japaridze, M. Jeong, K. Jero, B. J.P. Jones, F. Jonske, R. Joppe, D. Kang, W. Kang, A. Kappes, D. Kappesser, T. Karg, M. Karl, A. Karle, U. Katz, M. Kauer, J. L. Kelley, A. Kheirandish, J. Kim, T. Kintscher, J. Kiryluk, T. Kittler, S. R. Klein, R. Koirala, H. Kolanoski, L. Köpke, C. Kopper, S. Kopper, D. J. Koskinen, M. Kowalski, K. Krings, G. Krückl, N. Kulacz, N. Kurahashi, A. Kyriacou, M. Labare, J. L. Lanfranchi, M. J. Larson, F. Lauber, J. P. Lazar, K. Leonard, A. Leszczyńska, M. Leuermann, Q. R. Liu, E. Lohfink, C. J. Lozano Mariscal, L. Lu, F. Lucarelli, J. Lünemann, W. Luszczak, Y. Lyu, W. Y. Ma, J. Madsen, G. Maggi, K. B.M. Mahn, Y. Makino, P. Mallik, K. Mallot, S. Mancina, I. C. Mariş, R. Maruyama, K. Mase, H. S. Matis, R. Maunu, F. McNally, K. Meagher, M. Medici, A. Medina, M. Meier, S. Meighen-Berger, T. Menne, G. Merino, T. Meures, J. Micallef, D. Mockler, G. Momenté, T. Montaruli, R. W. Moore, R. Morse, M. Moulai, P. Muth, R. Nagai, U. Naumann, G. Neer, H. Niederhausen, M. U. Nisa, S. C. Nowicki, D. R. Nygren, A. Obertacke Pollmann, M. Oehler, A. Olivas, A. O'Murchadha, E. O'Sullivan, T. Palczewski, H. Pandya, D. V. Pankova, N. Park, P. Peiffer, C. Pérez De Los Heros, S. Philippen, D. Pieloth, E. Pinat, A. Pizzuto, M. Plum, A. Porcelli, P. B. Price, G. T. Przybylski, C. Raab, A. Raissi, M. Rameez, L. Rauch, K. Rawlins, I. C. Rea, R. Reimann, B. Relethford, M. Renschler, G. Renzi, E. Resconi, W. Rhode, M. Richman, S. Robertson, M. Rongen, C. Rott, T. Ruhe, D. Ryckbosch, D. Rysewyk, I. Safa, S. E. Sanchez Herrera, A. Sandrock, J. Sandroos, M. Santander, S. Sarkar, K. Satalecka, M. Schaufel, H. Schieler, P. Schlunder, T. Schmidt, A. Schneider, J. Schneider, F. G. Schröder, L. Schumacher, S. Sclafani, D. Seckel, S. Seunarine, S. Shefali, M. Silva, R. Snihur, J. Soedingrekso, D. Soldin, M. Song, G. M. Spiczak, C. Spiering, J. Stachurska, M. Stamatikos, T. Stanev, R. Stein, P. Steinmüller, J. Stettner, A. Steuer, T. Stezelberger, R. G. Stokstad, A. Stößl, N. L. Strotjohann, T. Stürwald, T. Stuttard, G. W. Sullivan, I. Taboada, F. Tenholt, S. Ter-Antonyan, A. Terliuk, S. Tilav, K. Tollefson, L. Tomankova, C. Tönnis, S. Toscano, D. Tosi, A. Trettin, M. Tselengidou, C. F. Tung, A. Turcati, R. Turcotte, C. F. Turley, B. Ty, E. Unger, M. A. Unland Elorrieta, M. Usner, J. Vandenbroucke, W. Van Driessche, D. Van Eijk, N. Van Eijndhoven, S. Vanheule, J. Van Santen, M. Vraeghe, C. Walck, A. Wallace, M. Wallraff, N. Wandkowsky, T. B. Watson, C. Weaver, A. Weindl, M. J. Weiss, J. Weldert, C. Wendt, J. Werthebach, B. J. Whelan, N. Whitehorn, K. Wiebe, C. H. Wiebusch, L. Wille, D. R. Williams, L. Wills, M. Wolf, J. Wood, T. R. Wood, K. Woschnagg, G. Wrede, D. L. Xu, X. W. Xu, Y. Xu, J. P. Yanez, G. Yodh, S. Yoshida, T. Yuan, M. Zöcklein
  • University of Canterbury
  • German Electron Synchrotron
  • Université libre de Bruxelles
  • University of Copenhagen
  • Oskar Klein Centre
  • University of Geneva
  • Marquette University
  • Pennsylvania State University
  • Friedrich-Alexander University Erlangen-Nürnberg
  • Massachusetts Institute of Technology
  • RWTH Aachen University
  • South Dakota School of Mines & Technology
  • Karlsruhe Institute of Technology
  • University of California at Irvine
  • Johannes Gutenberg University Mainz
  • University of California at Berkeley
  • Ohio State University
  • University of Wuppertal
  • Ruhr University Bochum
  • University of Rochester
  • University of Maryland, College Park
  • University of Kansas
  • Lawrence Berkeley National Laboratory
  • TU Dortmund University
  • Uppsala University
  • University of Wisconsin-Madison
  • University of Münster
  • Georgia Institute of Technology
  • Sungkyunkwan University
  • SNOLAB
  • University of Delaware
  • Vrije Universiteit Brussel
  • Ghent University
  • Humboldt University of Berlin
  • Michigan State University
  • Southern University and A&M College
  • Technical University of Munich
  • University of Alberta
  • Adelaide University
  • Chiba University
  • Clark Atlanta University
  • University of Texas at Arlington
  • University of Alabama
  • Drexel University
  • University of Wisconsin-River Falls
  • Yale University
  • Mercer University
  • University of Alaska Anchorage
  • University of Oxford
  • University of California at Los Angeles
  • Stony Brook University

Research output: Contribution to journalArticlepeer-review

409 Scopus citations

Abstract

This Letter presents the results from pointlike neutrino source searches using ten years of IceCube data collected between April 6, 2008 and July 10, 2018. We evaluate the significance of an astrophysical signal from a pointlike source looking for an excess of clustered neutrino events with energies typically above ∼1 TeV among the background of atmospheric muons and neutrinos. We perform a full-sky scan, a search within a selected source catalog, a catalog population study, and three stacked Galactic catalog searches. The most significant point in the northern hemisphere from scanning the sky is coincident with the Seyfert II galaxy NGC 1068, which was included in the source catalog search. The excess at the coordinates of NGC 1068 is inconsistent with background expectations at the level of 2.9σ after accounting for statistical trials from the entire catalog. The combination of this result along with excesses observed at the coordinates of three other sources, including TXS 0506+056, suggests that, collectively, correlations with sources in the northern catalog are inconsistent with background at 3.3σ significance. The southern catalog is consistent with background. These results, all based on searches for a cumulative neutrino signal integrated over the 10 years of available data, motivate further study of these and similar sources, including time-dependent analyses, multimessenger correlations, and the possibility of stronger evidence with coming upgrades to the detector.

Original languageEnglish
Article number051103
JournalPhysical Review Letters
Volume124
Issue number5
DOIs
StatePublished - Feb 6 2020

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