Volume 476 - 42nd International Conference on High Energy Physics (ICHEP2024) - Neutrino Physics
Measurement of atmospheric neutrino oscillations with KM3NeT/ORCA
A. Lazo* and  On behalf of the KM3NeT Collaboration
*: corresponding author
Full text: pdf
Pre-published on: December 17, 2024
Published on: April 29, 2025
Abstract
KM3NeT/ORCA is a water-Cherenkov neutrino telescope currently under construction in the Mediterranean sea, with the goal of measuring atmospheric neutrino oscillations and determining
the neutrino mass ordering. The detector is located 40 km off-shore Toulon, France, and consists of a three-dimensional grid of detection units equipped with 18 digital optical modules, hosting
31 photo-multiplier tubes each. By inspecting the arrival direction of GeV-neutrinos crossing the Earth, ORCA can effectively constrain the oscillation parameters $\Delta m^{2}_{31}$ and $\theta_{23}$, and can additionally be used to search for distortions of the oscillation pattern produced under Beyond the Standard Model (BSM) scenarios. This presentation covers the most up-to-date results from the ORCA detector on neutrino oscillations and BSM searches, which use respectively 715 and 433 kton-yr of ORCA exposure.
DOI: https://doi.org/10.22323/1.476.0134
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