205 citations · 293 across the 4 of their papers we have counts for
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astro-ph.SR2026
The First Four Ground-Level Enhancements in the 1940s: Investigation, Digitisation, and Analysis of Forgotten Data
Hisashi Hayakawa, Stepan Poluianov, Sergey Koldobskiy +4
Intense solar eruptions occasionally accelerate solar energetic particles (SEPs) and can trigger ground-level enhancements (GLEs). Among the 77 known GLEs, the first four GLEs, #1…
astro-ph.SR2025
The high-energy protons of the ground level enhancement (GLE74) event on 11 May 2024
A. Papaioannou, A. Mishev, I. Usoskin +19
High energy solar protons were observed by particle detectors aboard spacecraft in near-Earth orbit on May 11, 2024 and produced the 74th ground level enhancement (GLE74) event reg…