We review the most precise tests of the CKM model of flavour physics performed by the LHCb collaboration during 2021.
These include world best measurements of both time-dependent and time-independent $CP$ violation in charm decays, the first observation of a nonzero mass difference of the neutral charm-meson eigenstates, and the most precise determination to date of the mass difference between the $B^0_s$ eigenstates.
A new simultaneous combination of measurements of the CKM angle $\gamma$ and of charm decays allows to improve the precision on the decay-width difference of the neutral charm-meson eigenstates by a factor of 2 with respect to the combination of charm results only.
Volume 380 -
Particles and Nuclei International Conference 2021 (PANIC2021) -
Flavour physics - CKM and beyond
CKM, mixing and $CP$ violation results at LHCb
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Pre-published on:
March 01, 2022
Published on:
May 24, 2022
Abstract
DOI: https://doi.org/10.22323/1.380.0165
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.