GRB 221009A has posed a significant challenge to our current understanding of the
mechanisms that produce TeV photons in gamma-ray bursts (GRBs). On one hand, the Klein …

Although Cherenkov detectors of high-energy neutrinos in ice and water are often optimized
to detect TeV-PeV neutrinos, they may also be sensitive to transient neutrino sources in the …

The exact sources of high-energy neutrinos detected by the IceCube neutrino observatory
still remain a mystery. For the first time, this work explores the hypothesis that galaxy …

In the framework of quantum field theory, we analyze the neutrino oscillations in the
presence of a torsion background. We consider the Einstein–Cartan theory and we study the …

The prompt emission mechanism of gamma-ray bursts (GRBs) is a long-standing open
question, and GRBs have been considered as potential sources of high-energy neutrinos …

Compact objects across the mass spectrum–from neutron stars to supermassive black holes–
are progenitors and/or central engines for some of the most cataclysmic phenomena in the …

With the advent of time-domain astronomy and the game-changing next generation of
telescopes, we have unprecedented opportunities to explore the most energetic events in …

Gamma-ray bursts are known to display various features on top of their canonical behavior.
In this short review, we will describe and discuss two of them: the ultra-long gamma-ray …

It has long been debated whether gamma-ray bursts (GRBs) could serve as potential
sources of ultra-high-energy cosmic rays (UHECRs). In this study, we consider GRBs as …

Time-of-flight measurements of high-energy astrophysical neutrinos can be used to probe
Lorentz invariance, a pillar of modern physics. If Lorentz-invariance violation (LIV) occurs, it …