A measurement of $\hat{I}”\hat{I}{“}_s$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1081

Using a dataset corresponding to $9{\mathrm{fb}}^{-1}$ of integrated luminosity collected with the LHCb detector between 2011 and 2018 in proton-proton collisions, the decay-time di…