The cosmologically integrated neutrino emission from supermassive black hole coronae in Seyfert galaxies can account for the sub-PeV diffuse extragalactic neutrino flux observed by IceCube.
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A hadronic model with two free parameters shows proton-photon interactions can supply enough pairs for observed coronal optical depths above a critical Eddington ratio, with neutrino luminosity scaling as L_X^2/L_Edd below and L_X above that threshold.
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Particle Acceleration, Coronal Neutrino Production, and the Diffuse Extragalactic Neutrino Background from Supermassive Black Holes
The cosmologically integrated neutrino emission from supermassive black hole coronae in Seyfert galaxies can account for the sub-PeV diffuse extragalactic neutrino flux observed by IceCube.
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Neutrino and pair creation in reconnection-powered coronae of accreting black holes
A hadronic model with two free parameters shows proton-photon interactions can supply enough pairs for observed coronal optical depths above a critical Eddington ratio, with neutrino luminosity scaling as L_X^2/L_Edd below and L_X above that threshold.