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Observation of a large-scale anisotropy in the arrival directions of cosmic rays above 8 x 10(18) eV

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F17%3A73583618" target="_blank" >RIV/61989592:15310/17:73583618 - isvavai.cz</a>

  • Alternative codes found

    RIV/68378271:_____/17:00483242 RIV/00216208:11320/17:10368793

  • Result on the web

    <a href="http://science.sciencemag.org/content/sci/357/6357/1266.full.pdf" target="_blank" >http://science.sciencemag.org/content/sci/357/6357/1266.full.pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1126/science.aan4338" target="_blank" >10.1126/science.aan4338</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Observation of a large-scale anisotropy in the arrival directions of cosmic rays above 8 x 10(18) eV

  • Original language description

    Cosmic rays are atomic nuclei arriving from outer space that reach the highest energies observed in nature. Clues to their origin come from studying the distribution of their arrival directions. Using 3 x 10(4) cosmic rays with energies above 8 x 10(18) electron volts, recorded with the Pierre Auger Observatory from a total exposure of 76,800 km(2) sr year, we determined the existence of anisotropy in arrival directions. The anisotropy, detected at more than a 5.2s level of significance, can be described by a dipole with an amplitude of 6:5(-0.9)(+1.3) percent toward right ascension alpha(d) = 100 +/- 10 degrees and declination delta(d) = -24(-13)(+12) degrees. That direction indicates an extragalactic origin for these ultrahighenergy particles.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10303 - Particles and field physics

Result continuities

  • Project

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

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Science

  • ISSN

    0036-8075

  • e-ISSN

  • Volume of the periodical

    357

  • Issue of the periodical within the volume

    6357

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    6

  • Pages from-to

    1266-1270

  • UT code for WoS article

    000411337700039

  • EID of the result in the Scopus database

    2-s2.0-85029867353