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Diagnosing the AGN population origin of TeV neutrinos with their spatial correlation
Xiao-Bin Chen, Ruo-Yu Liu, Xiang-Yu Wang
The recent detection of TeV neutrinos from nearby Seyfert galaxies (e.g., NGC 1068) by IceCube suggests that active galactic nuclei (AGNs) could make a significant contribution to…
On the origin of ~ 100 TeV neutrinos from the Seyfert galaxy NGC 7469
Qi-Rui Yang, Xiao-Bin Chen, Ruo-Yu Liu +2
The origin of TeV-PeV neutrinos detected by IceCube remains largely unknown. The most significant individual neutrino source is the close-by Seyfert galaxy NGC 1068 at 4.2 level…
The Stochastic Dissipation Model for the Steady State Neutrino and Multi-Wavelength Emission of TXS 0506+056
Zhen-Jie Wang, Ruo-Yu Liu, Xiang-Yu Wang
The blazar TXS 0506+056 has been suggested to be a potential high-energy neutrino source thanks to the observations of IceCube, which found outburst-like neutrino emissions during…
Constraints on Cosmic Rays Acceleration in Bright Gamma-ray Bursts with Observations of Fermi
Xing-Fu Zhang, Ruo-Yu Liu, Hai-Ming Zhang +3
Gamma-ray bursts (GRBs) are widely suggested as potential sources of ultrahigh-energy cosmic rays (UHECRs). The kinetic energy of the jets dissipates, leading to the production of…
Potential Contribution of Young Pulsar Wind Nebulae to Galactic High-Energy Neutrino Emission
Xuan-Han Liang, Xiao-Bin Chen, Ben Li +2
Pulsar wind nebulae (PWNe), especially the young ones, are among the most energetic astrophysical sources in the Galaxy. It is usually believed that the spin-down energy injected f…
Detection of a new GeV source in the outer region of the Coma cluster: a signature of external accretion shock ?
Xiao-Bin Chen, Kai Wang, Yi-Yun Huang +4
The supersonic flow motions associated with infall of baryonic gas toward sheets and filaments, as well as cluster mergers, produces large-scale shock waves. The shocks associated…
A two-hump spectrum in the prompt emission of GRB 240825A
Hai-Ming Zhang, Zi-Qi Wang, Cui-Yuan Dai +4
An extra hard spectral component that extends to GeV energies, in additional to the typical sub- MeV Band component, appears in several gamma-ray burst (GRBs) detected by Fermi Lar…