Cosmic ray variations during extreme geomagnetic disturbances on May 9–15, 2024

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Abstract

We presented the results of the analysis of solar and geomagnetic activity, variations in cosmic ray fluxes in the period May 9–15, 2024. Data from a network of ground-based neutron monitors, data from measurements of cosmic rays by CARPET instruments and neutron detectors located at the Dolgoprudnenskaya Scientific Station of the LP1 RAS, at the Eurasian National University (Astana, Republic of Kazakhstan) and at the astronomical complex KASLEO are used (The Argentine Andes). We studied the characteristics of the Forbush decrease in cosmic ray fluxes on May 10, 2024, and the subsequent increase in cosmic rays on May 11. The results obtained indicate the different nature of these effects.

About the authors

V. S Makhmutov

P.N. Lebedev Physical Institute of the Russian Academy of Sciences; Moscow Institute of Physics and Technology (National Research University)

Email: mahmutovvs@lebedev.ru
Moscow, Russia; Dolgoprudny, Russia

G. A Bazilevskaya

P.N. Lebedev Physical Institute of the Russian Academy of Sciences

Moscow, Russia

M. V Philippov

P.N. Lebedev Physical Institute of the Russian Academy of Sciences

Moscow, Russia

Y. I Stozhkov

P.N. Lebedev Physical Institute of the Russian Academy of Sciences

Moscow, Russia

V. I Erkhov

L.N. Gumilyov Eurasian National University

Astana, Republic of Kazakhstan

A. K Morzabaev

L.N. Gumilyov Eurasian National University

Astana, Republic of Kazakhstan

Ye. A Tulekov

L.N. Gumilyov Eurasian National University

Astana, Republic of Kazakhstan

J. -P Raulin

Mackenzie University

Sao Paulo, Brazil

J. Tacza

Mackenzie University

Sao Paulo, Brazil

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