Observation of new baryons in the ${\Xi }_b^{-}{\pi }^{+}{\pi }^{-}$ and ${\Xi }_b^0{\pi }^{+}{\pi }^{-}$ systems

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1052

The first observation and study of two new baryonic structures in the final state ${\Xi }_b^0{\pi }^{+}{\pi }^{-}$ and the confirmation of the ${\Xi }_b(6100{)}^{-}$ state in the ${\Xi }_b^{-}{\pi }^{+}{\pi }^{-}$ decay mode are…