Volume 501 - 39th International Cosmic Ray Conference (ICRC2025) - Neutrino Astronomy & Physics
Neutrino and electromagnetic signals from tidal disruption events: bridging the theory with observations
C. Yuan*, W. Winter, C. Lunardini, B.T. Zhang, K. Murase and Z. Bing
*: corresponding author
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Pre-published on: September 24, 2025
Published on:
Abstract
This proceeding presents recent results from a joint analysis of time-dependent neutrino and electromagnetic emissions from tidal disruption events (TDEs), using both isotropic wind models and relativistic jets. We discuss constraints from \textit{Fermi} Large Area Telescope (LAT) $\gamma$-ray upper limits on the size of the radiation zone and the maximum energies of accelerated cosmic rays, as well as the resulting neutrino emissions from neutrino-emitting TDEs, including AT 2019dsg, AT 2019fdr, AT 2019aalc, and AT 2021lwx. Additionally, we explore multi-wavelength modeling of jetted TDEs with luminous X-ray afterglows — another TDE subclass — by incorporating the dynamics of structured jets with time-dependent energy injection. We also examine the connection between neutrinos and their multi-wavelength counterparts, highlighting implications for future multi-messenger discoveries with IceCube, IceCube-Gen2, KM3NeT, and \textit{Fermi}-LAT.
DOI: https://doi.org/10.22323/1.501.1220
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