Multi-Messenger Predictions from Active Galaxies: from IceCube to Auger

by Xavier Rodrigues (European Southern Observatory, Germany)

Thursday 1 Jun 2023, 11:30 → 13:00 Europe/Lisbon

Seminar Room (LIP)

A new era of multi-messenger astronomy unfolds led by cosmic ray experiments, like the Pierre Auger Observatory in Argentina, and high-energy neutrino experiments like the IceCube Observatory in the South Pole. The origin of these extreme messengers is a matter of hot debate. Active galaxies, which host a supermassive black hole that can launch a powerful relativistic jet, are ideal cosmic ray and neutrino factories and recent evidence seems to increasingly support these objects as neutrino emitters. In this talk I summarize our current theoretical understanding of cosmic-ray interactions in active galaxies through numerical modeling. I will show state-of-the-art predictions for the most promising neutrino candidate sources, the possible contribution of active galaxies to the Auger flux, and what signals across the multi-wavelength spectrum to look for when searching for multi-messenger sources.

 

ZOOM: https://cern.zoom.us/j/67461664606?pwd=ekNaaytYb20yMTZhdTdjb3BvZUZ6Zz09

LIP_Rodrigues.pdf