On the origin of cosmic rays: Some problems in highenergy astrophysics

V.L. Ginzburg^a, V.S. Ptuskin^b
^aLebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation
^bPushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences, Kaluzhskoe shosse 4, Troitsk, Москва, 108840, Russian Federation

This paper reviews the present state of the problem of the origin of cosmic rays. Primary attention is paid to galactic diffusion models with a halo, and questions of cosmic-ray chemical composition, electron component, and synchrotron galactic radioemission. The author's conclusion is that models with a large halo with a characteristic cosmic-ray age $T_{cr}\sim10^8$ years are confirmed by radio data, and at least do not contradict the information on cosmic-ray chemical composition. The paper also deals with the problems of anisotropy, plasma phenomena in cosmic rays, and the prospects of gamma-ray astronomy.

PACS: 92.10.+d, 95.20.+g
DOI: 10.1070/PU1975v018n12ABEH005243
URL: https://ufn.ru/en/articles/1975/12/a/
Citation: Ginzburg V L, Ptuskin V S "On the origin of cosmic rays: Some problems in highenergy astrophysics" Sov. Phys. Usp. 18 931–959 (1975)

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Оригинал: Гинзбург В Л, Птускин В С «О происхождении космических лучей (Некоторые вопросы астрофизики высоких энергий)» УФН 117 585–636 (1975); DOI: 10.3367/UFNr.0117.197512a.0585

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