Volume 391 - 19th International Conference on B-Physics at Frontier Machines (BEAUTY2020) - Main session
ATLAS: Update on CP-Violation Measurements in Bs to J/psi phi Decay
S. Simsek*  on behalf of the ATLAS Collaboration
Full text: pdf
Published on: October 07, 2021
Abstract
Recent measurement of the time-dependent CP violating weak phase in $B_s^{0}\rightarrow J/\psi \phi$ decay using proton-proton collision data collected by the ATLAS detector at a center-of-mass energy of 13 TeV corresponding to integrated luminosity of 80.0 fb$^{-1}$ is presented. After combining the results with those from 19.2 fb$^{-1}$ of 7 TeV and 8 TeV data, the value of CP-violating phase is $\phi_{s}$ = -0.087 $\pm$ 0.036 (stat.) $\pm$ 0.021 (syst.) rad.
DOI: https://doi.org/10.22323/1.391.0013
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