High-energy neutrinos from the vicinity of the supermassive black hole in NGC 1068

P Padovani, E Resconi, M Ajello, C Bellenghi… - Nature …, 2024 - nature.com
We present a comprehensive multi-messenger study of NGC 1068, the prototype Seyfert II
galaxy associated with high-energy neutrinos following a detection by the IceCube Neutrino …

High-energy extragalactic neutrino astrophysics

N Kurahashi, K Murase… - Annual Review of Nuclear …, 2022 - annualreviews.org
The detection of an astrophysical flux of neutrinos in the TeV–PeV energy range by the
IceCube Neutrino Observatory has opened new possibilities for the study of extreme cosmic …

High-energy and ultra-high-energy neutrinos: A Snowmass white paper

M Ackermann, M Bustamante, L Lu, N Otte… - Journal of high energy …, 2022 - Elsevier
Astrophysical neutrinos are excellent probes of astroparticle physics and high-energy
physics. With energies far beyond solar, supernovae, atmospheric, and accelerator …

Hidden hearts of neutrino active galaxies

K Murase - The Astrophysical Journal Letters, 2022 - iopscience.iop.org
Recent multimessenger studies have provided evidence for high-energy neutrino sources
that are opaque to GeV–TeV gamma rays. We present model-independent studies on the …

Solving the multimessenger puzzle of the AGN-starburst composite galaxy NGC 1068

B Eichmann, F Oikonomou, S Salvatore… - The Astrophysical …, 2022 - iopscience.iop.org
Multiwavelength observations indicate that some starburst galaxies show a dominant
nonthermal contribution from their central region. These active galactic nuclei (AGN) …

Disentangling the Hadronic Components in NGC 1068

M Ajello, K Murase, A McDaniel - The Astrophysical Journal …, 2023 - iopscience.iop.org
The recent detection of high-energy neutrinos by IceCube in the direction of the nearby
Seyfert/starburst galaxy NGC 1068 implies that radio-quiet active galactic nuclei can …

High-energy neutrinos from the Inner Circumnuclear Region of NGC 1068

K Fang, EL Rodriguez, F Halzen… - The Astrophysical …, 2023 - iopscience.iop.org
High-energy neutrinos are detected by the IceCube Observatory in the direction of NGC
1068, the archetypical type II Seyfert galaxy. The neutrino flux, surprisingly, is more than an …

The TeV diffuse cosmic neutrino spectrum and the nature of astrophysical neutrino sources

K Fang, JS Gallagher, F Halzen - The Astrophysical Journal, 2022 - iopscience.iop.org
The diffuse flux of cosmic neutrinos has been measured by the IceCube Observatory from
TeV to PeV energies. We show that an improved characterization of this flux at lower …

NGC 1068 constraints on neutrino-dark matter scattering

JM Cline, M Puel - Journal of Cosmology and Astroparticle …, 2023 - iopscience.iop.org
The IceCube collaboration has observed the first steady-state point source of high-energy
neutrinos, coming from the active galaxy NGC 1068. If neutrinos interacted strongly enough …

Search for neutrino emission from cores of active galactic nuclei

R Abbasi, M Ackermann, J Adams, JA Aguilar, M Ahlers… - Physical Review D, 2022 - APS
The sources of the majority of the high-energy astrophysical neutrinos observed with the
IceCube neutrino telescope at the South Pole are unknown. So far, only a flaring gamma-ray …