Hot-Coronae Stacking Analysis with the KM3NeT and ANTARES telescopes

ANTARES and KM3NeT are two Cherenkov neutrino telescopes deployed in the Mediterranean Sea. ANTARES accumulated a data sample spanning 15 years until its shutdown in 2022. KM3NeT/ARCA is currently in construction off the shore of Sicily, but already taking data in evolving detector configurations. A binned likelihood stacking framework is presented combining the 15 years of ANTARES and the different KM3NeT/ARCA configuration (6, 8, 19 and 21 lines) data. It is applied to Seyfert hot-coronae neutrino emission, both in a model-dependent and model-independent approach. For the former, state-of-the-art hot corona models for 9 local Seyfert Galaxies are tested. For the latter, a sample of 30 Seyfert Galaxies using the BASS AGN catalogue has been constructed. The results of this analysis are useful to constrain the contribution of these sources to the diffuse neutrino flux.

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Publication Details

Published
2025-09-24
DOI
https://doi.org/10.22323/1.501.1065
Primary Topic
Astronomy and Astrophysical Research
Type
article
Field-Weighted Citation Impact
0.00

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article

Hot-Coronae Stacking Analysis with the KM3NeT and ANTARES telescopes

A. Marinelli, W. Idrissi Ibnsalih, Antonio Ambrosone, Pasquale Migliozzi
Astronomy and Astrophysical Research
article

Hot-Coronae Stacking Analysis with the KM3NeT and ANTARES telescopes

A. Marinelli, W. Idrissi Ibnsalih, Antonio Ambrosone, Pasquale Migliozzi
article en

Abstract

ANTARES and KM3NeT are two Cherenkov neutrino telescopes deployed in the Mediterranean Sea. ANTARES accumulated a data sample spanning 15 years until its shutdown in 2022. KM3NeT/ARCA is currently in construction off the shore of Sicily, but already taking data in evolving detector configurations. A binned likelihood stacking framework is presented combining the 15 years of ANTARES and the different KM3NeT/ARCA configuration (6, 8, 19 and 21 lines) data. It is applied to Seyfert hot-coronae neutrino emission, both in a model-dependent and model-independent approach. For the former, state-of-the-art hot corona models for 9 local Seyfert Galaxies are tested. For the latter, a sample of 30 Seyfert Galaxies using the BASS AGN catalogue has been constructed. The results of this analysis are useful to constrain the contribution of these sources to the diffuse neutrino flux.

Belgian American Educational Foundation, Arab Fund for Economic and Social Development, European Commission, Agence Nationale de la Recherche, Grantová Agentura České Republiky, Bundesministerium für Bildung und Forschung, Fonds De La Recherche Scientifique - FNRS, 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, Région Normandie, HORIZON EUROPE Framework Programme, European Regional Development Fund, Agencia Estatal de Investigación, Labex UnivEarthS, Institut National de Physique Nucléaire et de Physique des Particules
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Hot-Coronae Stacking Analysis with the KM3NeT and ANTARES telescopes — A. Marinelli, W. Idrissi Ibnsalih, et al. · (2025) | TGRS Research Map | TGRS