Abstract
The origin of cosmic rays (CR) stays an open-ended question for over a hundred years. However, during the past decade, a wide range of new experimental data and theoretical models was brought into the light. In this work we briefly review basic mechanisms of generation of high energy cosmic rays, including exotic ones.
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Notes
That is the type of models where particles are born with already high energy, as opposed to ‘‘bottom-up’’ models, in which particles obtain energy due to some acceleration mechanism.
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ACKNOWLEDGMENTS
The work of Belotsky K.M. and Solovyov M.L. was supported by the Ministry of Science and Higher Education of the Russian Federation by project no. 0723-2020-0040 ‘‘Fundamental problems of cosmic rays and dark matter’’. We also would like to thank M.Yu. Khlopov and S.G. Rubin for useful discussions and interest to our work.
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Belotsky, K.M., Solovyov, M.L. & Rakhimova, M.A. Mechanisms of Cosmic Ray Generation. Phys. Atom. Nuclei 85, 92–96 (2022). https://doi.org/10.1134/S1063778822010069
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DOI: https://doi.org/10.1134/S1063778822010069