Ultrahigh-energy cosmic rays dipole and beyond

RG Lang, AM Taylor, V de Souza - Physical Review D, 2021 - APS
Recent data from the Pierre Auger Observatory has revealed the presence of a large-scale
dipole in the arrival direction distribution of ultrahigh-energy cosmic rays (UHECR). In this …

Cosmic ray anisotropies from transient extragalactic sources

D Harari, S Mollerach, E Roulet - Physical Review D, 2021 - APS
We study the spectrum and anisotropies of ultrahigh energy cosmic ray transient sources,
accounting for the effects of their propagation through the turbulent extragalactic magnetic …

Large-scale anisotropies of extragalactic cosmic rays below the ankle

S Mollerach, E Roulet, O Taborda - Journal of Cosmology and …, 2022 - iopscience.iop.org
We study the anisotropies on large angular scales which can be present in the flux of cosmic
rays reaching the Earth from a population of extragalactic sources, focusing on the energy …

Mini-EUSO on Board the International Space Station: Mission Status and Results

L Marcelli - Instruments, 2024 - mdpi.com
The telescope Mini-EUSO has been observing, since 2019, the Earth in the ultraviolet band
(290–430 nm) through a nadir-facing UV-transparent window in the Russian Zvezda module …

Ultra-high-energy Cosmic-Ray Sources Can Be Gamma-Ray Dim

A Partenheimer, K Fang, RA Batista… - The Astrophysical …, 2024 - iopscience.iop.org
Ultra-high-energy cosmic rays (UHECRs), accelerated hadrons that can exceed energies of
10 20 eV, are the highest-energy particles ever observed. While the sources producing …

Using deep learning to enhance event geometry reconstruction for the telescope array surface detector

D Ivanov, OE Kalashev, MY Kuznetsov… - Machine Learning …, 2020 - iopscience.iop.org
The extremely low flux of ultra-high energy cosmic rays (UHECR) makes their direct
observation by orbital experiments practically impossible. For this reason all current and …

The science of ultra-high energy cosmic rays after more than 15 years of operation of the Pierre Auger Observatory

O Deligny… - Journal of Physics …, 2023 - iopscience.iop.org
Abstract The Pierre Auger Observatory has been detecting ultra-high energy cosmic rays
(UHECRs) for more than fifteen years. An essential feature of the Observatory is its hybrid …

Revisiting the implications of Liouville's theorem to the anisotropy of cosmic rays

C de Oliveira, LP Maia, V de Souza - Journal of Cosmology and …, 2024 - iopscience.iop.org
We present a solution to Liouville's equation for an ensemble of charged particles
propagating in magnetic fields. The solution is presented using an expansion in spherical …

UHECR echoes from the Council of Giants

AM Taylor, JH Matthews, AR Bell - Monthly Notices of the Royal …, 2023 - academic.oup.com
Recent anisotropy studies of UHECR data at energies≳ 40 EeV have disclosed a correlation
of their angular distribution with the extragalactic local structure, specifically with either local …

[HTML][HTML] Evaluations of uncertainties in simulations of propagation of ultrahigh-energy cosmic-ray nuclei derived from microscopic nuclear models

E Kido, T Inakura, M Kimura, N Kobayashi… - Astroparticle …, 2023 - Elsevier
Photodisintegration is a main energy loss process for ultrahigh-energy cosmic-ray (UHECR)
nuclei in intergalactic space. Therefore, it is crucial to understand systematic uncertainty in …