Amplitude analysis of the ${\Xi }_c^{+}\to p{K}^{-}{\pi }^{+}$ decay and ${\Xi }_c^{+}$ baryon polarization measurement in semileptonic beauty-hadron decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

An amplitude analysis of the ${\Xi }_c^{+}\to p{K}^{-}{\pi }^{+}$ decay together with a measurement of the ${\Xi }_c^{+}$ polarization vector in semileptonic beauty-hadron decays is presented. The analysis…