Exploring departures from Schwarzschild black hole in f(R) gravity Vittorio De Falco, Francesco Bajardi, Rocco D’Agostino, Micol Benetti and Salvatore Capozziello Eur. Phys. J. C, 83 6 (2023) 456 Published online: 01 June 2023 DOI: 10.1140/epjc/s10052-023-11601-z