ANTARES and IceCube Combined Search for Neutrino Point-like and Extended Sources in the Southern Sky

• Published in: The Astrophysical Journal
• Main Authors: Albert, A., Andre, M., Anghinolfi, M., Anton, G., Ardid Ramírez, Miguel, Aubert, J-J, Aublin, J., Baret, B., Basa, S., Belhorma, B., Bertin, V., Biagi, S., Bissinger, M., Boumaaza, J., Bourret, S., Martínez Mora, Juan Antonio, Poirè, Chiara
• Other Authors: Universitat Politècnica de València. Instituto de Investigación para la Gestión Integral de Zonas Costeras - Institut d'Investigació per a la Gestió Integral de Zones Costaneres, Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada, A*Midex Foundation, Junta de Andalucía, Region Ile-de-France, GENERALITAT VALENCIANA, Conseil régional du Grand Est, AGENCIA ESTATAL DE INVESTIGACION, Institut Universitaire de France, Université Sorbonne Paris Cité, Agencia Estatal de Investigación, European Regional Development Fund, Instituto Nazionale di Fisica Nucleare, Agence Nationale de la Recherche, Francia, Conseil Régional Provence-Alpes-Côte d'Azur, Netherlands Organization for Scientific Research, Centre National de la Recherche Scientifique, Francia, Bundesministerium für Bildung und Forschung, Alemania, Council on grants of the President of the Russian Federation, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Francia, Laboratoire d'Excellence OCEVU (Origines, Constituants & ÉVolution de l'Univers), Ministère de l'Enseignement Supérieur, de la Recherche Scientifique et de la Formation des Cadres, Executive Agency for Higher Education, Scientific Research, Development and Innovation Funding, Rumanía
• Format: Article in Journal/Newspaper
• Language: English
• Published: American Astronomical Society 2020
• Subjects: Antares neutrino telescope; IceCube neutrino telescope; Point like and extended sources; FISICA APLICADA; National Science Foundation Office of Polar Programs
• Online Access: http://hdl.handle.net/10251/177025; https://doi.org/10.3847/1538-4357/ab7afb

[EN] A search for point-like and extended sources of cosmic neutrinos using data collected by the ANTARES and IceCube neutrino telescopes is presented. The data set consists of all the track-like and shower-like events pointing in the direction of the Southern Sky included in the nine-year ANTARES point-source analysis, combined with the throughgoing track-like events used in the seven-year IceCube point-source search. The advantageous ¿eld of view of ANTARES and the large size of IceCube are exploited to improve the sensitivity in the Southern Sky by a factor of ~2 compared to both individual analyses. In this work, the Southern Sky is scanned for possible excesses of spatial clustering, and the positions of preselected candidate sources are investigated. In addition, special focus is given to the region around the Galactic Center, whereby a dedicated search at the location of SgrA* is performed, and to the location of the supernova remnant RXJ 1713.7-3946. No signi¿cant evidence for cosmic neutrino sources is found, and upper limits on the ¿ux from the various searches are presented. The authors of the IceCube Collaboration acknowledge the support from the following agencies and institutions: USA-U.S. National Science Foundation-Office of Polar Programs, U.S. National Science Foundation-Physics Division, Wisconsin Alumni Research Foundation, Center for High Throughput Computing (CHTC) at the University of Wisconsin-Madison, Open Science Grid (OSG), Extreme Science and Engineering Discovery Environment (XSEDE), U.S. Department of Energy-National Energy Research Scientific Computing Center, Particle astrophysics research computing center at the University of Maryland, Institute for Cyber-Enabled Research at Michigan State University, and Astroparticle physics computational facility at Marquette University; Belgium-Funds for Scientific Research (FRS-FNRS and FWO), FWO Odysseus and Big Science programmes, and Belgian Federal Science Policy Office (Belspo); Germany-Bundesministerium fur Bildung und Forschung ...