Abstract
Forbush effects caused by powerful X-class solar flares are studied using URAGAN muon hodoscope data for the period 2007–2019. The URAGAN muon hodoscope registers the cosmic ray muon flux on the Earth’s surface from different directions simultaneously. This allows study of the energy, angular, and space–time characteristics of variations in the cosmic ray muon flux during Forbush effects. The dependence of the measured Forbush effects on the parameters of heliospheric and geomagnetic disturbances is analyzed.
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ACKNOWLEDGMENTS
This work was performed with data from the Unique Scientific Facility NEVOD.
Funding
This work was supported by the Russian Science Foundation, project no. 17-17-01215.
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Translated by A. Nikol’skii
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Kovylyaeva, A.A., Barbashina, N.S., Getmanov, V.G. et al. Study of Forbush Effects during Powerful Solar Flares by the URAGAN Muon Hodoscope Data. Bull. Russ. Acad. Sci. Phys. 85, 464–467 (2021). https://doi.org/10.3103/S1062873821030126
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DOI: https://doi.org/10.3103/S1062873821030126