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Related papers: Propagation of UHE Protons through Magnetized Cosm…

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Ultrahigh energy cosmic rays (UHECRs) are believed to originate from astrophysical sources, which should trace the large scale structure (LSS) of the universe. On the other hand, the magnetic field in the intergalactic space (IGMF), which…

High Energy Astrophysical Phenomena · Physics 2009-06-29 Dongsu Ryu , Hyesung Kang , Santabrata Das

The propagation of UHECRs is affected by the intergalactic magnetic fields that were produced during the course of the large scale structure formation of the universe. We adopt a novel model where the large scale extragalactic magnetic…

Astrophysics · Physics 2008-11-26 Hyesung Kang , Santabrata Das , Dongsu Ryu , Jungyeon Cho

We studied how the intergalactic magnetic field (IGMF) affects the propagation of super-GZK protons that originate from extragalactic sources within the local GZK sphere. Toward this end, we set up hypothetical sources of ultra-high-energy…

High Energy Astrophysical Phenomena · Physics 2014-11-20 Dongsu Ryu , Santabrata Das , Hyesung Kang

We simulate the arrival distribution of ultra-high-energy (UHE) protons by following their propagation processes in several strengths of a structured extragalactic magnetic field (EGMF). Comparing our result to observational one by Akeno…

Astrophysics · Physics 2007-06-26 Hajime Takami , Katsuhiko Sato , ;

We investigate the possibility that near future observations of ultra-high-energy cosmic rays (UHECRs) can unveil their local source distribution, which reflects the observed local structures if their origins are astrophysical objects. In…

Astrophysics · Physics 2008-12-18 Hajime Takami , Katsuhiko Sato

The origin of ultra-high-energy cosmic rays (UHECRs) remains an open question. Extragalactic magnetic fields can modify their propagation and, at sufficiently low energies, suppress the observed flux through the magnetic horizon (MH)…

High Energy Astrophysical Phenomena · Physics 2026-05-05 Allegra Firinu , Franco Vazza , Carmelo Evoli

We present numerical simulations on propagation of Ultra-High Energy Cosmic Rays (UHECRs) above $10^{19}$ eV in a structured extragalactic magnetic field (EGMF) and simulate their arrival distributions at the earth. We use the IRAS PSCz…

Astrophysics · Physics 2008-11-26 Hajime Takami , Hiroyuki Yoshiguchi , Katsuhiko Sato

In this work we simulate the propagation of Ultra High Energy (UHE) protons in the magnetised intergalactic medium of Galaxy Clusters (GCs). Differently from previous works on the subject, we trace proton trajectories in configurations of…

Astrophysics · Physics 2009-11-10 C. Rordorf , D. Grasso , K. Dolag

We study the proton flux expected from sources of ultra high energy cosmic rays (UHECR) in the presence of regular extragalactic magnetic fields. It is assumed that a local source of ultra-high energy protons and the magnetic field are all…

Astrophysics · Physics 2011-05-12 Todor Stanev , David Seckel , Ralph Engel

In this work, we present detailed simulations for propagation of ultra-high energy (UHE) heavy nuclei, with E > 60 EeV, within recent Galactic Magnetic Field (GMF) models. We investigate the impacts of the regular and turbulent components…

High Energy Astrophysical Phenomena · Physics 2015-05-30 G. Giacinti , M. Kachelriess , D. V. Semikoz , G. Sigl

While the origins of ultra-high energy (UHE) cosmic rays (CRs) remain shrouded in uncertainty, several important milestones have been reached in recent years in the experimental study of CRs with energy above 1018 eV. Within the vast…

High Energy Astrophysical Phenomena · Physics 2025-04-29 Swaraj Pratim Sarmah

We present an investigation of the propagation of Ultra High Energy Cosmic Rays (UHECRs) in extragalactic magnetic field (EGMF). We use the IRAS PSCz catalogue in order to reconstruct EGMF taking into account power-law dependence between…

Astrophysics · Physics 2007-05-23 Andrii Elyiv

We report the results of 3-D simulations of non-diffusive propagation of Ultra-High Energy Cosmic Rays (UHECR) (E > 10^{20} eV) through the intergalactic and extended halo media. We quantify the expected angular and temporal correlations…

With the publicly available astrophysical simulation framework for propagating extraterrestrial UHE particles, CRPropa 3, it is now possible to study realistic UHECR source scenarios including deflections in Galactic and extragalactic…

High Energy Astrophysical Phenomena · Physics 2018-02-14 Arjen van Vliet , Rafael Alves Batista , Günter Sigl

The surprising isotropy of the ultra-high-energy cosmic ray (UHECR) sky makes it difficult to identify their sources. Observables such as energy spectrum, mass composition and arrival directions are affected by interactions with background…

High Energy Astrophysical Phenomena · Physics 2025-06-12 Simone Rossoni , Günter Sigl

Ultra high-energy (UHE) cosmic rays (CRs) from distant sources interact with intergalactic radiation fields, leading to their spallation and attenuation. They are also deflected in intergalactic magnetic fields (IGMFs), particularly those…

High Energy Astrophysical Phenomena · Physics 2023-05-24 Ellis R. Owen , Qin Han , Kinwah Wu

We report the results of 3D simulations of the trajectories of ultra-high energy protons and Fe nuclei (with energies $E = 4 \times 10^{19}$ and $2.5 \times 10^{20} eV$) propagating through the galactic magnetic field from the sources to…

The existence of cosmic ray particles up to the ultra-high energy limit (> 10^20 eV) is now beyond any doubt. The detection of cosmic particles with such energies imposes a challenge for the comprehension of their sources and nature. On one…

We study the propagation of ultra-high-energy cosmic rays in the magnetised cosmic web. We focus on the particular case of highly magnetised voids ($B \sim \text{nG}$), using the upper bounds from the Planck satellite. The cosmic web was…

High Energy Astrophysical Phenomena · Physics 2017-08-02 Rafael Alves Batista , Min-Su Shin , Julien Devriendt , Dmitri Semikoz , Guenter Sigl

The origin and composition of ultra-high energy cosmic rays (UHECRs) remain a mystery. The common lore is that UHECRs are deflected from their primary directions by the Galactic and extragalactic magnetic fields. Here we describe an…

High Energy Astrophysical Phenomena · Physics 2021-10-20 Andres Aramburo Garcia , Kyrylo Bondarenko , Alexey Boyarsky , Dylan Nelson , Annalisa Pillepich , Anastasia Sokolenko
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