CTEQ-TEA parton distribution functions with intrinsic charm Marco Guzzi, Tie-Jiun Hou, Sayipjamal Dulat, Jun Gao, Joey Huston, Pavel Nadolsky, Carl Schmidt, Jan Winter, Keping Xie and C.-P. Yuan EPJ Web Conf., 192 (2018) 00003 Published online: 14 November 2018 DOI: 10.1051/epjconf/201819200003