An analytical derivation of maximum neutrino flux in the one-zone leptohadronic model shows predicted fluxes remain below IceCube levels for neutrino-candidate blazars.
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A population of AGN coronae with magnetization parameters spanning up to σ ~ 10 can reproduce the entire observed diffuse neutrino flux from TeV to PeV energies.
Reconnection in transrelativistic AGN coronae can energize protons to tens of PeV, producing a neutrino spectrum consistent with NGC 1068 observations without tuning the proton spectral slope.
Calibrated AGN disk-wind models contribute ≲5% to the CGB above 10 GeV and ≲10% to the CNB at 100 TeV and are unlikely to dominate either background.
Seven blazars are posterior-predictively consistent with the L_hX-L_ν relation calibrated on six AGN, with redshift-partial and flux-permutation tests indicating residual correlation beyond distance bias.
AGN (jetted and non-jetted) are viable high-energy neutrino sources, with TXS 0506+056 and NGC 1068 as the only statistically significant associations so far, while gamma-ray blazars contribute only a small fraction of the diffuse flux.
Recent high and ultrahigh energy neutrino detections open a new observational window to the universe by revealing sources and processes inaccessible via photons.
citing papers explorer
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On the maximum neutrino flux of blazars in the one-zone leptohadronic model
An analytical derivation of maximum neutrino flux in the one-zone leptohadronic model shows predicted fluxes remain below IceCube levels for neutrino-candidate blazars.
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Turbulent AGN coronae as the origin of diffuse neutrinos up to PeV energies
A population of AGN coronae with magnetization parameters spanning up to σ ~ 10 can reproduce the entire observed diffuse neutrino flux from TeV to PeV energies.
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Can magnetic reconnection power neutrino emission from AGN coronae?
Reconnection in transrelativistic AGN coronae can energize protons to tens of PeV, producing a neutrino spectrum consistent with NGC 1068 observations without tuning the proton spectral slope.
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Revisiting Disk Winds in Active Galactic Nuclei as an Origin of Cosmic Gamma-ray and Neutrino Backgrounds
Calibrated AGN disk-wind models contribute ≲5% to the CGB above 10 GeV and ≲10% to the CNB at 100 TeV and are unlikely to dominate either background.
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Correlation Between Hard X-Ray and Cosmic Neutrino Sources: From Obscured AGN to Blazars
Seven blazars are posterior-predictively consistent with the L_hX-L_ν relation calibrated on six AGN, with redshift-partial and flux-permutation tests indicating residual correlation beyond distance bias.
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Active Galactic Nuclei as high-energy neutrino sources
AGN (jetted and non-jetted) are viable high-energy neutrino sources, with TXS 0506+056 and NGC 1068 as the only statistically significant associations so far, while gamma-ray blazars contribute only a small fraction of the diffuse flux.
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Particle Astrophysics with High and Ultrahigh Energy Neutrinos
Recent high and ultrahigh energy neutrino detections open a new observational window to the universe by revealing sources and processes inaccessible via photons.