Quasinormal modes, thermodynamics and shadow of black holes in Hu–Sawicki gravity theory Ronit Karmakar and Umananda Dev Goswami Eur. Phys. J. C, 84 9 (2024) 969 Published online: 27 September 2024 DOI: 10.1140/epjc/s10052-024-13359-4