Propagation of ultrahigh energy cosmic rays in extragalactic magnetic fields: a view from cosmological simulations

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F16%3A00547917" target="_blank" >RIV/68378271:_____/16:00547917 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1093/mnras/stw1903" target="_blank" >https://doi.org/10.1093/mnras/stw1903</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1093/mnras/stw1903" target="_blank" >10.1093/mnras/stw1903</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Propagation of ultrahigh energy cosmic rays in extragalactic magnetic fields: a view from cosmological simulations

Popis výsledku v původním jazyce

We use the CRPROPA code to simulate the propagation of ultrahigh energy cosmic rays (with energy >= 10(18) eV and pure proton composition) through extragalactic magnetic fields that have been simulated with the cosmological ENZO code. We test both primordial and astrophysical magnetogenesis scenarios in order to investigate the impact of different magnetic field strengths in clusters, filaments and voids on the deflection of cosmic rays propagating across cosmological distances. We also study the effect of different source distributions of cosmic rays around simulated Milky Way-like observers. Our analysis shows that the arrival spectra and anisotropy of events are rather insensitive to the distribution of extragalactic magnetic fields, while they are more affected by the clustering of sources within an similar to 50 Mpc distance to observers.

Název v anglickém jazyce

Propagation of ultrahigh energy cosmic rays in extragalactic magnetic fields: a view from cosmological simulations

Popis výsledku anglicky

We use the CRPROPA code to simulate the propagation of ultrahigh energy cosmic rays (with energy >= 10(18) eV and pure proton composition) through extragalactic magnetic fields that have been simulated with the cosmological ENZO code. We test both primordial and astrophysical magnetogenesis scenarios in order to investigate the impact of different magnetic field strengths in clusters, filaments and voids on the deflection of cosmic rays propagating across cosmological distances. We also study the effect of different source distributions of cosmic rays around simulated Milky Way-like observers. Our analysis shows that the arrival spectra and anisotropy of events are rather insensitive to the distribution of extragalactic magnetic fields, while they are more affected by the clustering of sources within an similar to 50 Mpc distance to observers.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10303 - Particles and field physics

Projekt

—

Návaznosti

—

Rok uplatnění

2016

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Monthly Notices of the Royal Astronomical Society

ISSN

0035-8711

e-ISSN

1365-2966

Svazek periodika

462

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

12

Strana od-do

3660-3671

Kód UT WoS článku

000385231600017

EID výsledku v databázi Scopus

2-s2.0-84994512348