Abstract This White Paper presents an overview of the current status and future perspective
of QCD research, based on the community inputs and scientific conclusions from the 2022 …

In turbulent magnetized plasmas, charged particles can be accelerated to high energies
through their interactions with the turbulent motions. As they do so, they draw energy from …

Abstract Recently the Telescope Array collaboration reported an observation of cosmic ray
event with very high energy 244 EeV (2.44× 10 20 eV). Importantly, the event is hard to …

Soon, a new generation of neutrino telescopes, presently under planning, will target the
discovery of ultra-high-energy (UHE) neutrinos of cosmic origin, with energies higher than …

Over the last decade, observations have shown that the mean mass of ultra-high-energy
cosmic rays (UHECRs) increases progressively toward the highest energies. However, the …

Galaxy clusters are the largest objects in the Universe kept together by gravity. Most of their
baryonic content is made of a magnetized diffuse plasma. We investigate the impact of such …

The Pierre Auger Observatory is a unique facility designed to study ultra-high energy cosmic
rays, with energies up to 10$^{20} $ eV and beyond. The Observatory is located in Argentina …

The flux of ultra-high energy cosmic rays reaching Earth above the ankle energy (5 EeV) can
be described as a mixture of nuclei injected by extragalactic sources with very hard spectra …

Ultra-high energy cosmic rays (UHECRs) beyond the Greisen-Zatsepin-Kuzmin (GZK) cut-off
provide us with a unique opportunity to understand the universe at extreme energies …

Context. Jets of active galactic nuclei are potential accelerators of ultra high-energy cosmic
rays. Supernovae can occur inside these jets and contribute to cosmic ray acceleration …