Search for the doubly heavy baryon ${\Xi }_{bc}^{+}$ decaying to $J/\psi {\Xi }_c^{+}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +999

A first search for the ${\Xi }_{bc}^{+}\to J/\psi {\Xi }_c^{+}$ decay is performed by the LHCb experiment with a data sample of proton-proton collisions, corresponding to an integrate…