Göttingen 2025 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 65: Invited Topical Talks IV

T 65.3: Invited Topical Talk

Donnerstag, 3. April 2025, 14:45–15:15, ZHG010

The Emerging Population of Seyfert Galaxies as Neutrino Sources in IceCube — •Chiara Bellenghi, Tomas Kontrimas, and Elena Manao for the IceCube collaboration — Technical University of Munich

The IceCube detection of neutrinos from the X-ray-bright Seyfert galaxy NGC 1068, combined with the lack of a gamma-ray counterpart, suggests that gamma-ray hidden cores of Active Galactic Nuclei (AGN) could be powerful cosmic-ray accelerators. The X-ray-bright corona, near the AGN supermassive black hole, provides a suitable environment for neutrino production and gamma-ray absorption at the same time. This talk will review recent IceCube results from searches for extragalactic neutrino sources, adding to the growing evidence that X-ray-bright, non-blazar AGN could be the first emerging population of neutrino sources.

Keywords: Neutrinos; IceCube; Seyfert; AGN; X-rays