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A search for neutrino point-source populations in 7 yr of icecube data with neutrino-count statistics

  • 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. Argüelles
  • , J. Auffenberg
  • , S. Axani
  • , P. Backes
  • , H. Bagherpour
  • , X. Bai
  • , A. Balagopal V.
  • , 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. Díaz-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, 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, 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, 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, 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, N. L. Rodd, M. Rongen, C. Rott, T. Ruhe, D. Ryckbosch, D. Rysewyk, I. Safa, B. R. Safdi, 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
  • Deutsches Elektronen-Synchrotron (DESY)
  • Université Libre de Bruxelles
  • Niels Bohr Institutet
  • Oskar Klein Centre
  • University of Geneva
  • Marquette University
  • Eberly College of Science
  • Friedrich Alexander Universität Erlangen-Nürnberg
  • Massachusetts Institute of Technology
  • RWTH Aachen University
  • South Dakota School of Mines and Technology
  • Humanoid Technologies Lab (H2T)
  • University of California, Irvine
  • Johannes Gutenberg University
  • University of California at Berkeley
  • Ohio State University
  • Bergische Universität Wuppertal
  • Max-Planck-lnstitut für Kohlenforschung
  • University of Rochester
  • University of Maryland University College
  • University of Kansas
  • Lawrence Berkeley National Laboratory
  • pro3dure medical GmbH
  • Uppsala University
  • University of Wisconsin
  • University of Münster
  • Georgia Institute of Technology
  • Sungkyunkwan University
  • SNOLAB
  • University of Delaware
  • VUB Neurology
  • The Pennsylvania State University
  • Ghent University
  • Humboldt-Universität zu Berlin
  • Michigan State University
  • Southern University and A&M College
  • University of Wisconsin-Madison
  • Technical University of Munich
  • University of Alberta
  • University of Adelaide
  • Chiba-U
  • Clark-Atlanta University
  • University of Texas at Arlington
  • SUNY
  • University of Alabama
  • Drexel University
  • University of Wisconsin-River Falls
  • Yale University
  • Mercer University at Macon
  • University of Alaska Anchorage
  • University of Oxford
  • University of California at Los Angeles

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

The presence of a population of point sources in a data set modifies the underlying neutrino-count statistics from the Poisson distribution. This deviation can be exactly quantified using the non-Poissonian template fitting technique, and in this work we present the first application of this approach to the IceCube high-energy neutrino data set. Using this method, we search in 7 yr of IceCube data for point-source populations correlated with the disk of the Milky Way, the Fermi bubbles, the Schlegel, Finkbeiner, and Davis dust map, or with the isotropic extragalactic sky. No evidence for such a population is found in the data using this technique, and in the absence of a signal, we establish constraints on population models with source-count distribution functions that can be described by a power law with a single break. The derived limits can be interpreted in the context of many possible source classes. In order to enhance the flexibility of the results, we publish the full posterior from our analysis, which can be used to establish limits on specific population models that would contribute to the observed IceCube neutrino flux.

Original languageEnglish
Article number102
JournalAstrophysical Journal
Volume893
Issue number2
DOIs
StatePublished - 20 Apr 2020

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