The FAMU experiment: muonic hydrogen high precision spectroscopy studies C. Pizzolotto, A. Adamczak, D. Bakalov, G. Baldazzi, M. Baruzzo, R. Benocci, R. Bertoni, M. Bonesini, V. Bonvicini, H. Cabrera et al. (46 more) Eur. Phys. J. A, 56 7 (2020) 185 Published online: 20 July 2020 DOI: 10.1140/epja/s10050-020-00195-9