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Multi-Messenger Connections among High-Energy Cosmic Particles
Kohta Murase
The origin of high-energy cosmic neutrinos is one of the biggest mysteries in astroparticle physics. The fact that diffuse intensities of high-energy neutrinos, ultrahigh-energy co…
Upscattered Cocoon Emission in Short Gamma-ray Bursts as High-energy Gamma-ray Counterparts to Gravitational Waves
Shigeo S. Kimura, Kohta Murase, Kunihito Ioka +3
We investigate prolonged engine activities of short gamma-ray bursts (SGRBs), such as extended and/or plateau emissions, as high-energy gamma-ray counterparts to gravitational wave…
Multi-Epoch Modeling of TXS 0506+056 and Implications for Long-Term High-Energy Neutrino Emission
Maria Petropoulou, Kohta Murase, Marcos Santander +11
The IceCube report of a excess of neutrino events in the direction of the blazar TXS 05056+056 in 2014-2015 and the 2017 detection of a high-energy neutrino, I…
A Search for Late-Time Radio Emission and Fast Radio Bursts from Superluminous Supernovae
C. J. Law, C. M. B. Omand, K. Kashiyama +10
We present results of a search for late-time radio emission and Fast Radio Bursts (FRBs) from a sample of type-I superluminous supernovae (SLSNe-I). We used the Karl G. Jansky Very…
A Neutral Beam Model for High-Energy Neutrino Emission from the Blazar TXS 0506+056
B. Theodore Zhang, Maria Petropoulou, Kohta Murase +1
The IceCube collaboration reported a excess of neutrino events in the direction of the blazar TXS 0506+56 during a 6 month period in 2014-2015, as well a…
Multi-messenger tests of cosmic-ray acceleration in radiatively inefficient accretion flows
Shigeo S. Kimura, Kohta Murase, Peter Mészáros
The cores of active galactic nuclei (AGNs) have been suggested as the sources of IceCube neutrinos, and recent numerical simulations have indicated that hot AGN coronae of Seyfert…