Abstract
Long-termobservations of the muon intensity of galactic cosmic rays at the Nagoya (35°10′ N, 136°58′ E) and Yakutsk (62°01′ N, 129°43′ E) stations have revealed amplitude-phase annual and semiannual oscillations of the semidiurnal variation. These oscillations are attributable to the properties of the cosmic-ray anisotropy tensor that result from shielding by the interplanetary magnetic field and solar-wind shear flow. The mentioned tensor is also shown to have a north-south asymmetry.
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Original Russian Text © G.F. Krymsky, P.A. Krivoshapkin, S.K. Gerasimova, P.Yu. Gololobov, 2014, published in Pis’ma v Astronomicheskiı Zhurnal, 2014, Vol. 40, No. 4, pp. 260–263.
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Krymsky, G.F., Krivoshapkin, P.A., Gerasimova, S.K. et al. Tensor anisotropy of cosmic rays. Astron. Lett. 40, 230–233 (2014). https://doi.org/10.1134/S1063773714040045
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DOI: https://doi.org/10.1134/S1063773714040045