Response of Galactic Cosmic Rays to Solar Disturbances: A Study of the May 2024 Forbush Decrease with GRAPES-3 Muon Telescope

Utilizing data from the GRAPES-3 muon telescope, we have investigated the response of galactic cosmic ray (GCR) intensity variations to solar activity. In this study, we apply the East-West (E-W) method to separate the isotropic and anisotropic components of GCR variations for the large-scale Forbush decrease event in May 2024, thereby helping to investigate the causes of these variations.

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Publication Details

Published
2025-10-14
DOI
https://doi.org/10.22323/1.501.1310
Primary Topic
Solar and Space Plasma Dynamics
Type
article
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article

Response of Galactic Cosmic Rays to Solar Disturbances: A Study of the May 2024 Forbush Decrease with GRAPES-3 Muon Telescope

Hiroshi Kojima
Solar and Space Plasma Dynamics
article

Response of Galactic Cosmic Rays to Solar Disturbances: A Study of the May 2024 Forbush Decrease with GRAPES-3 Muon Telescope

Hiroshi Kojima
article en

Abstract

Utilizing data from the GRAPES-3 muon telescope, we have investigated the response of galactic cosmic ray (GCR) intensity variations to solar activity. In this study, we apply the East-West (E-W) method to separate the isotropic and anisotropic components of GCR variations for the large-scale Forbush decrease event in May 2024, thereby helping to investigate the causes of these variations.

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Response of Galactic Cosmic Rays to Solar Disturbances: A Study of the May 2024 Forbush Decrease with GRAPES-3 Muon Telescope — Hiroshi Kojima · (2025) | TGRS Research Map | TGRS