Spectra and Mass Composition of Ultrahigh-Energy Cosmic Rays from Point Sources

We present spectra and mass composition of cosmic rays incoming to the Earth in the energy range (0.5-2)10^20 eV. As their sources we consider Seyfert galaxies located at distances < 40 Mpc, following an acceleration model for such moderate-power objects. Mass composition of the particles at sour...

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Bibliographic Details
Published inarXiv.org
Main Authors Kalmykov, Nikolai N, Shustova, Olga P, Uryson, Anna V
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 25.04.2012
Subjects
Acceleration
Augers
Composition
Cosmic rays
Physics - High Energy Astrophysical Phenomena
Point sources
Seyfert galaxies
Spectra
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Summary:We present spectra and mass composition of cosmic rays incoming to the Earth in the energy range (0.5-2)10^20 eV. As their sources we consider Seyfert galaxies located at distances < 40 Mpc, following an acceleration model for such moderate-power objects. Mass composition of the particles at sources is assumed to be mixed. Generation spectra are described by a function E^(-g0), where g0 is an arbitrary parameter. It is shown that the assumptions adopted make it possible to describe experimental data provided by HiRes and Pierre Auger Observatory, using different values of g0.
ISSN:2331-8422
DOI:10.48550/arxiv.1112.5523