Charm and beauty quark masses in the MMHT2014 global PDF analysis L. A. Harland-Lang, A. D. Martin, P. Motylinski and R. S. Thorne Eur. Phys. J. C, 76 1 (2016) 10 Published online: 06 January 2016 DOI: 10.1140/epjc/s10052-015-3843-5