Statistics of clustering of ultrahigh energy cosmic rays and the number of their sources

S. L. Dubovsky, P. G. Tinyakov, I. I. Tkachev

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Previous analysis of arrival directions of ultrahigh energy cosmic rays (UHECR) confirmed the presence of clusters with arrival directions lying approx. 3°. The present work demonstrates that the observed clustering favors larger density of sources, provided the propagation of UHECR with energy E>1020 eV is not strongly affected by extragalactic magnetic fields.

    Original languageEnglish (US)
    Pages (from-to)1154-1157
    Number of pages4
    JournalPhysical Review Letters
    Volume85
    Issue number6
    DOIs
    StatePublished - Aug 7 2000

    ASJC Scopus subject areas

    • General Physics and Astronomy

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