News & Views on a new search for the doubly charmed baryon $Xi_{cc}^+$ at the LHC

Invited News & Views for the journal, SCIENCE CHINA: Physics, Mechanics & Astronomy, on a recently new search for the doubly charmed baryon $Xi_{cc}^+$ at the LHC, which is done by the LHCb Collaboration, arXiv:1909.12273.