Observation of the doubly charmed baryon decay ${\Xi }_{cc}^{++}\to {\Xi }_c^{{}^{\prime }+}{\pi }^{+}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +995

The ${\Xi }_{cc}^{++}\to {\Xi }_c^{{}^{\prime }+}{\pi }^{+}$ decay is observed using proton-proton collisions collected by the LHCb experiment at a centre-of-mass energy of $13\mathrm{\,Te\kern -0.1e…