Flavor-singlet spectrum in multi-flavor QCD Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett, Masafumi Kurachi, Toshihide Maskawa, Kohtaroh Miura, Kei-ichi Nagai, Hiroshi Ohki, Enrico Rinaldi, Akihiro Shibata et al. (2 more) EPJ Web Conf., 175 (2018) 08023 Published online: 26 March 2018 DOI: 10.1051/epjconf/201817508023