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On the composition of cosmic rays with E 0 ≥ 1017 eV according to the Yakutsk EAS array data

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Abstract

The energy spectrum and anisotropy of primary cosmic rays, as well as the lateral distribution functions of electrons and muons in extensive air showers (EASs) with E 0 ≥ 1017 eV, are presented according to the Yakutsk EAS array data. It has been shown that the spectrum and lateral distribution functions in some energy ranges have different shapes for the particles that arrive from the disc of the Supergalaxy (Local Supercluster of galaxies) and from the other part of the celestial sphere. This is interpreted as the manifestation of the interaction of extragalactic primary cosmic rays with the gas of the Supergalaxy that possibly leads to the production of new ultra-high-energy particles.

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Authors and Affiliations

  1. Shafer Institute of Cosmophysical Research and Aeronomy, Yakut Science Center, Siberian Division, Russian Academy of Sciences, pr. Lenina 31, Yakutsk, 677891, Russia

    A. V. Glushkov & M. I. Pravdin

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  1. A. V. Glushkov
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  2. M. I. Pravdin
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Original Russian Text © A.V. Glushkov, M.I. Pravdin, 2006, published in Pis’ma v Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2006, Vol. 84, No. 2, pp. 54–60.

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Glushkov, A.V., Pravdin, M.I. On the composition of cosmic rays with E 0 ≥ 1017 eV according to the Yakutsk EAS array data. Jetp Lett. 84, 50–56 (2006). https://doi.org/10.1134/S0021364006140025

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  • DOI: https://doi.org/10.1134/S0021364006140025

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