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High-Energy Neutrinos from Active Galactic Nuclei

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arxiv 2202.03381 v2 pith:3LBT3CPE submitted 2022-02-07 astro-ph.HE astro-ph.GAhep-ph

classification astro-ph.HEastro-ph.GAhep-ph
keywords high-energyneutrinoactivediscussgalacticjet-loudjet-quietneutrinos
verification ladder T0 review T1 audit T2 compute T3 formal
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Active Galactic Nuclei (AGN) are sources of high-energy gamma-rays and are considered to be promising candidates to be sources of high-energy cosmic rays and neutrinos as well. We present and discuss various models for ion acceleration and their interactions with matter and radiation leading to high-energy neutrino production. We consider neutrino production mechanisms in both jet-loud and jet-quiet AGN, focusing on disks and coronae in the vicinity of the central black hole, jet regions, and magnetized environments surrounding the AGN. The IceCube Collaboration has reported high-energy neutrino events that may come from both the jet-loud AGN TXS 0506+056 and the jet-quiet AGN NGC 1068. We discuss the implications of these observations themselves as well as the the origins of the all-sky neutrino intensity.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Probing Inelastic Dark Matter via Cosmic-Ray Upscattering in NGC 1068

    hep-ph 2026-06 unverdicted novelty 5.0 of 10

    Constraints on sub-GeV inelastic dark matter are derived from cosmic-ray cooling in NGC 1068 by including elastic and deep inelastic scattering in a vector-portal model.

  2. Super-Accreting Active Galactic Nuclei as Neutrino Sources

    astro-ph.HE 2025-08 conditional novelty 5.0 of 10

    Super-Eddington black-hole winds colliding with broad-line-region clouds could produce detectable neutrino fluxes with weak electromagnetic counterparts.

  3. Particle Astrophysics with High and Ultrahigh Energy Neutrinos

    astro-ph.HE 2025-11 unverdicted novelty 2.0 of 10

    Recent high and ultrahigh energy neutrino detections open a new observational window to the universe by revealing sources and processes inaccessible via photons.

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