Chaotic motion of charged test particles in a Kerr-MOG black hole with explicit symplectic algorithms Zhenmeng Xu, Dazhu Ma, Wenfu Cao and Kai Li Eur. Phys. J. C, 85 7 (2025) 770 Published online: 15 July 2025 DOI: 10.1140/epjc/s10052-025-14425-1