Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top-quark pair production with the ATLAS detector at $$ \sqrt{s} $$ = 13 TeV

M. Capua;F. Curcio;I. Gnesi;D. Malito;A. Mastroberardino;E. Meoni;M. Schioppa;