Observation of the doubly charmed baryon ${\Xi }_{cc}^{+}$ with the LHCb Run 3 detector

LHCb collaboration, R. Aaij, M. Abdelfatah +1106

The first observation of the doubly charmed baryon ${\Xi }_{cc}^{+}$ is reported through its decay to the ${\Lambda }_c^{+}{K}^{-}{\pi }^{+}$ final state, with a statistical significance exceeding seven…