Leading two-loop corrections to the Higgs di-photon decay in the inert doublet model Masashi Aiko, Johannes Braathen and Shinya Kanemura Eur. Phys. J. C, 85 5 (2025) 489 Published online: 05 May 2025 DOI: 10.1140/epjc/s10052-025-14184-z