Volume 398 - The European Physical Society Conference on High Energy Physics (EPS-HEP2021) - T08: Flavour Physics and CP Violation
ATLAS measurements of CP violation with beauty mesons
R. Novotny
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Abstract
The ATLAS experiment has performed measurements of the $CP$-violation phase $\phi_s$ and other physics parameters describing $B_s$ mixing in the $B_s^0\rightarrow J/\psi(\mu^+\mu^-)\phi(K^+ K^-)$ channel using data collected by the ATLAS detector from 13 TeV $pp$ collisions at the LHC with integrated luminosity of 80.5 $\mathrm{fb^{-1}}$. The values measured from 13 TeV $pp$ collisions are then combined with those from 19.2 $\mathrm{fb^{-1}}$ of 7 TeV and 8 TeV data. All measurements are in agreement with the Standard Model predictions as well as with other LHC measurements.
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