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T: Fachverband Teilchenphysik

T 7: Neutrino physics 1

T 7.8: Vortrag

Montag, 4. März 2024, 17:45–18:00, Geb. 30.21: Gerthsen-HS

Lorentz invariance violation searches with the ANTARES and KM3NeT/ORCA neutrino telescopes — •Lukas Hennig for the ANTARES-KM3NET-ERLANGEN collaboration — Erlangen Centre for Astroparticle Physics (ECAP), Friedrich-Alexander-Universität Erlangen-Nürnberg

Lorentz invariance is a fundamental symmetry in physics that ensures that the same equations can be used to describe experiments in any inertial laboratory. Many proposed quantum gravity theories predict Lorentz invariance violation (LIV). The "Standard-Model extension" parametrizes physically valid ways of including LIV into the Standard Model of particle physics by introducing a set of operators coupled with coefficients that can be experimentally constrained with neutrino telescopes. The "Quantum GRavity seArches with Neutrino Telescopes" (QGRANT) project aims at performing the first combined fit of these coefficients using data from the three neutrino telescopes ANTARES, IceCube, and KM3NeT, which is expected to give an unprecedented sensitivity for constraining the LIV coefficients. This contribution discusses the current progress in the analysis of the ANTARES and KM3NeT/ORCA data and outlines the next steps that will be taken in the QGRANT analysis.

Keywords: Neutrino; Quantum gravity; Neutrino telescope; KM3NeT; ANTARES