Probing invisible neutrino decay with KM3NeT/ORCA
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hdl:2117/387667
Tipus de documentArticle
Data publicació2023-04-19
EditorSpringer
Condicions d'accésAccés obert
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Abstract
In the era of precision measurements of the neutrino oscillation parameters, upcoming neutrino experiments will also be sensitive to physics beyond the Standard Model. KM3NeT/ORCA is a neutrino detector optimised for measuring atmospheric neutrinos from a few GeV to around 100 GeV. In this paper, the sensitivity of the KM3NeT/ORCA detector to neutrino decay has been explored. A three-flavour neutrino oscillation scenario, where the third neutrino mass state ¿3 decays into an invisible state, e.g. a sterile neutrino, is considered. We find that KM3NeT/ORCA would be sensitive to invisible neutrino decays with 1/a3 = t3/m3 < 180 ps/eV at 90% confidence level, assuming true normal ordering. Finally, the impact of neutrino decay on the precision of KM3NeT/ORCA measurements for ¿23, ¿m231 and mass ordering have been studied. No significant effect of neutrino decay on the sensitivity to these measurements has been found.
CitacióAiello, S. [et al.]. Probing invisible neutrino decay with KM3NeT/ORCA. "Journal of high energy physics", 19 Abril 2023, vol. 2023, núm. 4, article 90.
ISSN1029-8479
Versió de l'editorhttps://link.springer.com/article/10.1007/JHEP04(2023)090
Altres identificadorshttps://arxiv.org/abs/2302.02717
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