First Measurement of Time-Dependent CP Violation in the Flavor-Changing Neutral-Current Decay B0 → KS0μ+μ-
R Aaij, A. Abdelmotteleb, C. Abellan Beteta, F Abudinén et autres
A flavor-tagged time-dependent analysis of B0→KS0μ+μ− decays is performed across the full dimuon mass range excluding the J/ψ and ψ(2S) resonance regions. The analysis uses proton-proton collision data collected by the LHCb experiment in 2011–2018 at center-of-mass energies of 7, 8, and …