29 November 2024 – In a new paper with the title ‘Search for non-standard neutrino interactions with the first six detection units of KM3NeT/ORCA‘ we search for Non-Standard Interactions (NSI) by investigating distortions of the standard oscillation pattern of neutrinos of all flavours.
For the study we used the first six detection units of ORCA and 433 kton-years of exposure. In a sample of 5828 events reconstructed in the 1 GeV−1 TeV energy range we did not find significant deviations from standard neutrino interactions, but were able to place constraints on the flavour structure of the NSI coupling at 90% confidence level.
The measured constraints on the parameters of the non-standard coupling are compatible with the current most stringent limits placed by other experiments.
The results constitute the first search for NSI conducted with KM3NeT.
The paper is submitted to the Journal of Cosmology and Astroparticle Physics.
A preprint is available at arXiv: 2411.19078
In the image:
90% CL constraints on the NSI-couplings inferred from this study in comparison with the results from other experiments.
