Detection asymmetry in solar energetic particle events S. Dalla, A. Hutchinson, R. A. Hyndman, K. Kihara, N. V. Nitta, L. Rodríguez-García, T. Laitinen, C. O. G. Waterfall and D. S. Brown A&A, 696 (2025) A12 Published online: 28 March 2025 DOI: 10.1051/0004-6361/202453000