Study of secondary muons detected within the tunnels of the Cholula pyramid Journal title: Journal of Nuclear Physics, Material Sciences, Radiation and Applications Authors: E. Moreno-Barbosa, J.E. Espinosa-Rosales, J. Cotzomi-Paleta, B De Celis-Alonso, M. Cruz-Sanchez, P.... Subject(s): Materials Science, Nuclear Physics, Radiation