New precise measurements of muonium hyperfine structure at J-PARC MUSE P. Strasser, M. Abe, M. Aoki, S. Choi, Y. Fukao, Y. Higashi, T. Higuchi, H. Iinuma, Y. Ikedo, K. Ishida et al. (46 more) EPJ Web Conf., 198 (2019) 00003 Published online: 15 January 2019 DOI: 10.1051/epjconf/201919800003