First observation of a baryonic $B_c^{+}$ decay

LHCb collaboration, R. Aaij, B. Adeva +699

A baryonic decay of the $B_c^{+}$ meson, $B_c^{+}\to J/\psi p\overline{p}{\pi }^{+}$, is observed for the first time, with a significance of $7.3$ standard deviations, in $pp$ collision data coll…