Speaker
Description
Neutrino astronomy has achieved notable success in the last decade, thanks to the observation of the first
probable cosmic neutrino sources. However, a clear identification remains elusive. Active galactic nuclei have
been proposed as potential extra-galactic sources for neutrinos and high-energy cosmic rays. In this
contribution, we present an analysis that focuses on the detection of cosmic neutrino sources correlated with
gamma-ray flares from extra-galactic sources, in particular blazars. Constraining the neutrino emission to a
given time period drastically reduces the expected background lowering the threshold for a significant
detection compared to time-integrated searches. We present a search based on the hypothesis that neutrino
emission happens simultaneously with gamma-ray emission in blazar flares. In particular, we target sources
detected by Fermi-LAT, and use 15 years of data from ANTARES and 2 years from the KM3NeT/ARCA
neutrino telescopes on its partial configurations.
