Arrival directions of cosmic rays above 32 EeV from phase one of the Pierre Auger Observatory

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F22%3A00562633" target="_blank" >RIV/68378271:_____/22:00562633 - isvavai.cz</a>

Alternative codes found

RIV/00216208:11320/22:10455179 RIV/61989592:15310/22:73614341

Result on the web

<a href="https://hdl.handle.net/11104/0335826" target="_blank" >https://hdl.handle.net/11104/0335826</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3847/1538-4357/ac7d4e" target="_blank" >10.3847/1538-4357/ac7d4e</a>

Result language

angličtina

Original language name

Arrival directions of cosmic rays above 32 EeV from phase one of the Pierre Auger Observatory

Original language description

A promising energy range to look for angular correlations between cosmic rays of extragalactic origin and their sources is at the highest energies, above a few tens of EeV (1 EeV equivalent to 10(18) eV). Despite the flux of these particles being extremely low, the area of similar to 3000 km(2) covered at the Pierre Auger Observatory, and the 17 yr data-taking period of the Phase 1 of its operations, have enabled us to measure the arrival directions of more than 2600 ultra-high-energy cosmic rays above 32 EeV. We publish this data set, the largest available at such energies from an integrated exposure of 122,000 km(2) sr yr, and search it for anisotropies over the 3.4 pi steradians covered with the Observatory. Evidence for a deviation in excess of isotropy at intermediate angular scales, with similar to 15 degrees Gaussian spread or similar to 25 degrees top-hat radius, is obtained at the 4 sigma significance level for cosmic-ray energies above similar to 40 EeV.

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10303 - Particles and field physics

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2022

Confidentiality

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

Name of the periodical

Astrophysical Journal

ISSN

0004-637X

e-ISSN

1538-4357

Volume of the periodical

935

Issue of the periodical within the volume

2

Country of publishing house

GB - UNITED KINGDOM

Number of pages

24

Pages from-to

170

UT code for WoS article

000849100400001

EID of the result in the Scopus database

2-s2.0-85138202833