Constraints on the energy spectrum of the diffuse cosmic neutrino flux from the ANTARES neutrino telescope

Abstract High-significance evidences of the existence of a high-energy diffuse flux of cosmic neutrinos have emerged in the last decade from several observations by the IceCube Collaboration. The ANTARES neutrino telescope took data for 15 years in the Mediterranean Sea, from 2007 to 2022, and collected a high-purity all-flavour neutrino sample. The search for a diffuse cosmic neutrino signal using this dataset is presented in this article. This final analysis did not provide a statistically significant observation of the cosmic diffuse flux. However, this is converted into limits on the properties of the cosmic neutrino spectrum. In particular, given the sensitivity of the ANTARES neutrino telescope between 1 and 50 TeV, constraints on single-power-law hypotheses are derived for the cosmic diffuse flux below 20 TeV, especially for power-law fits of the IceCube data with spectral index softer than 2.8.

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Journal
Journal of Cosmology and Astroparticle Physics
Published
2024-08-01
DOI
https://doi.org/10.1088/1475-7516/2024/08/038
Citations
17
Primary Topic
Astrophysics and Cosmic Phenomena
Type
article
Field-Weighted Citation Impact
11.21

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article

Constraints on the energy spectrum of the diffuse cosmic neutrino flux from the ANTARES neutrino telescope

J. Boumaaza, S. Navas, M. Lamoureux, F. Schüßler et al.
17 citations
Journal of Cosmology and Astroparticle Physics
Astrophysics and Cosmic Phenomena
11.21
article

Constraints on the energy spectrum of the diffuse cosmic neutrino flux from the ANTARES neutrino telescope

J. Boumaaza, S. Navas, M. Lamoureux, F. Schüßler, M. Spurio, M. Chabab, M. Bendahman, S. Le Stum, A. Margiotta, F. Huang, J. Wilms, F. Carenini, L. Haegel, A. Moussa, A. Capone, B. Ó Fearraigh, C. Distefano, S. El Hedri, G. Vannoye, J. Carr, N. Randazzo, N. El Khayati, J. Seneca, D. Real, C. Guidi, D. Calvo, J. Brünner, D. Vivolo, P. Migliozzi, O. Kalekin, S. Alves, B. Caiffi, S. Zavatarelli, G. Ferrara, M. Sanguineti, A. Romanov, M. Ardid, M. Circella, N. Geißelbrecht, T. van Eeden, Y. Becherini, P. Piattelli, M.C. Bouwhuis, I. Kreykenbohm, T. Pradier, J. A. Martínez-Mora, D. Drouhin, T. Chiarusi, A. Coleiro, Angela Zegarelli, A. Marinelli, M. Kadler, M. Taiuti, L. Cerisy, E. Leonora, F. Salesa Greus, M. André, J. A. B. Coelho, F. Filippini, Y. Tayalati, A. M. Păun, Lars Hennig, B. De Martino, R. Lahmann, S. Gagliardini, S. Campion, I. Di Palma, F. Benfenati, A. Lazo, J. Zúñiga, S. Biagi, A. Enzenhöfer, S. Viola, A. Šaina, B. Vallage, M. Bouta, S. Peña-Martínez, T. Cartraud, A. Eddymaoui, A. F. Díaz, J. Busto, R. Müller, T. Eberl, Veronique Van Elewyck, Pascal Gay, V. Carretero, Th. Stolarczyk, A.J. Heijboer, J. Mańczak, D. Dornic, M. Marcelin, P. Coyle, D. van Eijk, R. Gozzini, J. García, S. Loucatos, G. Levi, P. Sapienza, H. Brânzaş, V. Popa, J. Hößl, M. de Jong, E. Oukacha, A. Sánchez Losa, V. Bertin, L. Fusco, A. Kouchner, J.D. Zornoza, B. Jisse‐Jung, Y. Hello, C. Donzaud, U. Katz, Hervé Glotin, R. Bruijn, A. Creusot, E. Nezri, V. Kulikovskiy, M. Perrin-Terrin, C. Gatius Oliver, S. Celli, C. Poirè, P. Fermani, R. Cherkaoui El Moursli, A. Albert, R. Coniglione, S. Ardid, J. Aublin, S. Basa, G.E. Păvălaş, G. Illuminati, H. van Haren, G. Riccobene, R. Gracia Ruiz, J.-J. Aubert, P. de Jong, D.F.E Samtleben, D. Lefèvre, K. Graf, B. Baret, J.J. Hernandez, B. Belhorma
article en
17 citations

Abstract

Abstract High-significance evidences of the existence of a high-energy diffuse flux of cosmic neutrinos have emerged in the last decade from several observations by the IceCube Collaboration. The ANTARES neutrino telescope took data for 15 years in the Mediterranean Sea, from 2007 to 2022, and collected a high-purity all-flavour neutrino sample. The search for a diffuse cosmic neutrino signal using this dataset is presented in this article. This final analysis did not provide a statistically significant observation of the cosmic diffuse flux. However, this is converted into limits on the properties of the cosmic neutrino spectrum. In particular, given the sensitivity of the ANTARES neutrino telescope between 1 and 50 TeV, constraints on single-power-law hypotheses are derived for the cosmic diffuse flux below 20 TeV, especially for power-law fits of the IceCube data with spectral index softer than 2.8.

Journal of Cosmology and Astroparticle PhysicsVol. 2024(08)
Université Paris-Sud (FR), Cadi Ayyad University (MA), Leiden University (NL), Mohammed V University (MA), Centre National de la Recherche Scientifique (FR), University of Salerno (IT), Université de Toulon (FR), Universitat de València (ES), Universidad de Granada (ES), Friedrich-Alexander-Universität Erlangen-Nürnberg (DE), Institut Universitaire de France (FR), Université Clermont Auvergne (FR), Université Paris Cité (FR), Aix-Marseille Université (FR), University of Würzburg (DE), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), Université Paris-Saclay (FR), Université de Haute-Alsace (FR), Huygens Institute for History and Culture of the Netherlands (NL), Laboratoire AstroParticule et Cosmologie (FR), Institut Pluridisciplinaire Hubert Curien (FR), National Institute for Subatomic Physics (NL), National Centre for Nuclear Energy, Science and Technology (MA), Instituto de Física Corpuscular (ES), Laboratoire de Physique de Clermont Auvergne (FR), Royal Netherlands Institute for Sea Research (NL), Mohamed I University (MA), Istituto Nazionale di Fisica Nucleare, Sezione di Napoli (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Bari (IT), Laboratoire d’Informatique et Systèmes (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Catania (IT), Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Sud (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Genova (IT), University of Campania "Luigi Vanvitelli" (IT), Observatoire de la Côte d’Azur (FR), CEA Paris-Saclay (FR), Institute of Space Science - INFLPR Subsidiary (RO), Clermont Université (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Bologna (IT), Institut Méditerranéen d’Océanologie (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Roma I (IT), Institut de Recherche sur les Lois Fondamentales de l'Univers (FR), Institut de Recherche pour le Développement (FR), Istituto Nazionale di Fisica Nucleare, Gruppo Collegato di Salerno, Universitat Politècnica de València (ES), Université de Strasbourg (FR), University of Naples Federico II (IT), University of Genoa (IT), Sapienza University of Rome (IT), University of Amsterdam (NL), University of Bologna (IT)
Arab Fund for Economic and Social Development, Ministerul Cercetării, Inovării şi Digitalizării, European Commission, Agence Nationale de la Recherche, Bundesministerium für Bildung und Forschung, Nederlandse Organisatie voor Wetenschappelijk Onderzoek, Generalitat Valenciana, Centre National de la Recherche Scientifique, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Conseil Régional Provence-Alpes-Côte d'Azur, Istituto Nazionale di Fisica Nucleare, Conseil Régional d'Alsace, European Regional Development Fund, Agencia Estatal de Investigación, Labex UnivEarthS, Institut National de Physique Nucléaire et de Physique des Particules
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