Motion and collision of particles near DST black holes P. A. González, Marco Olivares, Ali Övgün, Joel Saavedra and Yerko Vásquez Eur. Phys. J. C, 79 6 (2019) 528 Published online: 20 June 2019 DOI: 10.1140/epjc/s10052-019-7043-6