Impact of Galaxy Clusters on the Propagation of Ultrahigh-energy Cosmic Rays

A Condorelli, J Biteau, R Adam - The Astrophysical Journal, 2023 - iopscience.iop.org
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 …

Constraints on the Hosts of UHECR Accelerators

MS Muzio, GR Farrar - The Astrophysical Journal Letters, 2023 - iopscience.iop.org
Interactions of ultra-high-energy cosmic rays (UHECRs) in the surroundings of their
accelerators can naturally explain the observed spectrum and composition of UHECRs …

Arrival Distribution of Ultra-High-Energy Cosmic Rays: Prospects for the Future

H Yoshiguchi, S Nagataki, K Sato - The Astrophysical Journal, 2003 - iopscience.iop.org
We predict the arrival distribution of ultra–high-energy cosmic rays (UHECRs) above 4× 10
19 eV with the event number expected by future experiments in the next few years. We …

Filaments of galaxies as a clue to the origin of ultrahigh-energy cosmic rays

J Kim, D Ryu, H Kang, S Kim, SC Rey - Science advances, 2019 - science.org
Ultrahigh-energy cosmic rays (UHECRs) are known to come from outside of our Galaxy, but
their origin still remains unknown. The Telescope Array (TA) experiment recently identified a …

Numerical study on the propagation of ultra-high-energy cosmic rays in the galactic magnetic field

H Yoshiguchi, S Nagataki, K Sato - The Astrophysical Journal, 2004 - iopscience.iop.org
We study the propagation of ultra-high-energy cosmic rays (UHECRs) with E> 10 18 eV in
the Galactic magnetic field (GMF). We present numerical simulations for the propagation of …

Evidence for UHECR origin in starburst galaxies

LA Anchordoqui, JF Soriano - arXiv preprint arXiv:1905.13243, 2019 - arxiv.org
The quest for the origin (s) of ultra-high-energy cosmic rays (UHECRs) continues to be a far-
reaching pillar of high energy astrophysics. The source scrutiny is mostly based on three …

A new method for calculating arrival distribution of ultra-high-energy cosmic rays above 1019 eV with modifications by the galactic magnetic field

H Yoshiguchi, S Nagataki, K Sato - The Astrophysical Journal, 2003 - iopscience.iop.org
We present a new method for calculating arrival distribution of ultra–high-energy cosmic
rays (UHECRs), including modifications by the Galactic magnetic field. We perform …

The role of structured magnetic fields on constraining properties of transient sources of ultra-high-energy cosmic rays

H Takami, K Murase - The Astrophysical Journal, 2012 - iopscience.iop.org
We study how the properties of transient sources of ultra-high-energy cosmic rays
(UHECRs) can be accessed by exploiting UHECR experiments, taking into account the …

Implications to sources of ultra-high-energy cosmic rays from their arrival distribution

H Takami, K Sato - Astroparticle Physics, 2009 - Elsevier
We estimate the local number density of sources of ultra-high-energy cosmic rays (UHECRs)
based on the statistical features of their arrival direction distribution. We calculate the arrival …

Toward unravelling the structural distribution of ultra-high-energy cosmic ray sources

H Takami, K Sato - The Astrophysical Journal, 2008 - iopscience.iop.org
We investigate the possibility that observations of ultra-high-energy cosmic rays (UHECRs)
in the near future may be able to unveil their local source distribution, which will reflect …