Sensitivity to light sterile neutrino mixing parameters with KM3NeT/ORCA

S. Aiello, A. Albert, M. Alshamsi, Garre Alves, Z. Aly, A. Ambrosone, F. Ameli, M. Andre, G. Androulakis, M. Anghinolfi, M. Anguita, G. Anton, M. Ardid, S. Ardid, J. Aublin, C. Bagatelas, B. Baret, du Basegmez, M. Bendahman, F. BenfenatiE. Berbee, A.M. van den Berg, V. Bertin, S. Biagi, M. Bissinger, M. Boettcher, Cabo Bou, J. Boumaaza, M. Bouta, M. Bouwhuis, C. Bozza, H. Brânzaş, F. Bretaudeau, R. Bruijn, J. Brunner, R. Bruno, E. Buis, R. Buompane, J. Busto, B. Caiffi, D. Calvo, S. Campion, A. Capone, V. Carretero, P. Castaldi, S. Celli, M. Chabab, N. Chau, A. Chen, S. Cherubini, V. Chiarella, M. Filipovic, et al

Research output: Contribution to journalArticlepeer-review

Abstract

KM3NeT/ORCA is a next-generation neutrino telescope optimised for atmospheric neutrino oscillations studies. In this paper, the sensitivity of ORCA to the presence of a light sterile neutrino in a 3+1 model is presented. After three years of data taking, ORCA will be able to probe the active-sterile mixing angles θ14, θ24, θ34 and the effective angle θμe, over a broad range of mass squared difference ∆m412 ∼ [10−5, 10] eV2, allowing to test the eV-mass sterile neutrino hypothesis as the origin of short baseline anomalies, as well as probing the hypothesis of a very light sterile neutrino, not yet constrained by cosmology. ORCA will be able to explore a relevant fraction of the parameter space not yet reached by present measurements.
Original languageEnglish
Article number180
Number of pages26
JournalThe Journal of High Energy Physics
Volume2021
Issue number10
DOIs
Publication statusPublished - 2021

Open Access - Access Right Statement

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) (https://creativecommons.org/licenses/by/4.0/), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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