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External Inverse-Compton Emission from Low-Luminosity Gamma-Ray Bursts: Application to GRB 190829A
B. Theodore Zhang, Kohta Murase, Péter Veres +1
The detection of TeV gamma-ray bursts (GRBs) brought new opportunities for studying the physics of particle acceleration at relativistic shocks. The \hess telescopes recently obser…
High-energy neutrino emission subsequent to gravitational wave radiation from supermassive black hole mergers
Chengchao Yuan, Kohta Murase, Shigeo S. Kimura +1
Supermassive black hole (SMBH) coalescences are ubiquitous in the history of the Universe and often exhibit strong accretion activities and powerful jets. These SMBH mergers are al…
Neutron conversion-diffusion: a new model for structured short gamma-ray burst jets compatible with GRB 170817
Edwan Préau, Kunihito Ioka, Peter Mészáros
We present a generic theoretical model for the structuring of a relativistic jet propagating through the ejecta of a binary neutron star merger event, introducing the effects of th…
Deciphering the Origin of the GeV--TeV Gamma-ray Emission from SS 433
Shigeo S. Kimura, Kohta Murase, Peter Mészáros
We investigate hadronic and leptonic scenarios for the GeV--TeV gamma-ray emission from jets of the microquasar SS 433. The emission region of the TeV photons coincides with the X-…
Multimessenger observations of counterparts to IceCube-190331A
Felicia Krauß, Emily Calamari, Azadeh Keivani +9
High-energy neutrinos are a promising tool for identifying astrophysical sources of high and ultra-high energy cosmic rays (UHECR). Prospects of detecting neutrinos at high energie…
Linking extended and plateau emissions of short gamma-ray bursts
Tatsuya Matsumoto, Shigeo S. Kimura, Kohta Murase +1
Some short gamma-ray bursts (SGRBs) show a longer lasting emission phase, called extended emission (EE) lasting , as well as a plateau emission (PE) lasting $…