Where are the Pevatrons that Form the Knee in the Spectrum of the Cosmic Ray Nucleon Component around 4 PeV?

Lagutin A.A.; Volkov N.V.

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База данных: Каталог библиотеки СФУ

Библиографическое описание: Where are the Pevatrons that Form the Knee in the Spectrum of the Cosmic Ray Nucleon Component around 4 PeV? : научное издание / A. A. Lagutin, N. V. Volkov. - Текст : непосредственный // Physics of Atomic Nuclei. - 2023. - Т. 86, № 6. - P. 1076-1082. - The work is supported by the Russian Science Foundation, grant no. 23-72-00057. - ISSN 1063-7788. - ISSN 1562-692X, DOI 10.1134/s1063778824010307.

Аннотация: The paper discusses an approach that made it possible to estimate the distance to the nearest pevatrons, which form a knee in the spectrum of the cosmic ray nucleon component of about \(4\) PeV. It is based on the spectra of nucleons and electrons obtained by the authors in the framework of the superdiffusion model of nonclassical cosmic ray diffusion, which have a knee, on the assumption that nucleons and electrons are accelerated by the same type sources and their propagation in an inhomogeneous turbulent galactic medium is characterized by the same diffusion coefficient, and also on the knee in the spectrum of the electronic component in the region of \(0.9\) TeV, established in the DAMPE experiment. It is shown that pevatrons, which form a knee in the spectrum of the cosmic ray nucleon component of about \(4\) PeV, are located at distances of the order of \(0.75\) kpc from the Earth.

Год издания: 2023

Авторы: Lagutin A.A. , Volkov N.V.

Издательство: Pleiades Publishing, Ltd., Moscow

Источник: Physics of Atomic Nuclei

Выпуск: Т. 86, № 6

Номера страниц: 1076-1082

Держатель оригинала документа: Altai State University

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Where are the Pevatrons that Form the Knee in the Spectrum of the Cosmic Ray Nucleon Component around 4 PeV?
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