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Contribution from Nearby Sources to the Observed Spectra and Anisotropy of Ultrahigh-Energy Cosmic Rays

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The propagation of ultrahigh-energy cosmic rays from nearby sources is studied. It is shown that the spectrum, chemical composition, and anisotropy observed at energies above 5 × 1018 eV can be explained within the model of one nearby galaxy (M87) if the source is strongly enriched with heavy nuclei.

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ACKNOWLEDGMENTS

Part of this work was performed using the equipment of the MSU–ISU Astrophysical Complex, agreement no. 13.USC.21.0007.

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Authors and Affiliations

  1. Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation, Russian Academy of Sciences, 108840, Moscow, Russia

    V. N. Zirakashvili, V. S. Ptuskin & S. I. Rogovaya

Authors
  1. V. N. Zirakashvili
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  2. V. S. Ptuskin
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  3. S. I. Rogovaya
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Corresponding author

Correspondence to V. N. Zirakashvili.

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The authors declare that they have no conflicts of interest.

Additional information

Translated by N. Podymova

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Zirakashvili, V.N., Ptuskin, V.S. & Rogovaya, S.I. Contribution from Nearby Sources to the Observed Spectra and Anisotropy of Ultrahigh-Energy Cosmic Rays. Bull. Russ. Acad. Sci. Phys. 87, 890–892 (2023). https://doi.org/10.3103/S1062873823702660

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  • DOI: https://doi.org/10.3103/S1062873823702660

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