World’s most precise measurements
and search for the X(5568) tetraquark candidate
[ γ=(70.9+7.1-8.5)° ; Δmd=(505.0±2.1±1.0)ns-1 ; X(5568) not confirmed ] The LHCb Collaboration has presented today at the Rencontres de Moriond EW new important results. (1) CKM γ angle measurements. The…