First Determination of the Spin-Parity of ${\mathrm{Ξ}}_{c}(3055{)}^{+,0}$ Baryons

Author(s): R. Aaij et al. (LHCb Collaboration) Researchers at the Large Hadron Collider have measured the spin parity of a charm-quark-hosting particle, offering a new test of theoretical models. [Phys. Rev. Lett. 134, 081901] Published Fri Feb 28, 2025