Muons as a tool for background rejection in imaging atmospheric Cherenkov telescope arrays L. Olivera-Nieto, A. M. W. Mitchell, K. Bernlöhr and J. A. Hinton Eur. Phys. J. C, 81 12 (2021) 1101 Published online: 14 December 2021 DOI: 10.1140/epjc/s10052-021-09869-0