Charmonium resonances on the lattice Gunnar Bali, Sara Collins, Daniel Mohler, M. Padmanath, Stefano Piemonte, Sasa Prelovsek and Simon Weishäupl EPJ Web Conf., 175 (2018) 05020 Published online: 26 March 2018 DOI: 10.1051/epjconf/201817505020