Investigation of Kaonic Atom Optical Potential by the High-Precision Data of Kaonic 3He and 4He Atoms. - Yamagata-Sekihara, J; Iizawa, Y; Jido, D; Ikeno, N; Hashimoto, T; Okada, S; Hirenzaki, S (Progress of Theoretical & Experimental Physics: PTEP, 2025)