EPJ Web of Conferences
Volume 81, 2014MESON 2014 – 13th International Workshop on Production, Properties and Interaction of Mesons
|Number of page(s)||4|
|Section||Symmetries - contributions|
|Published online||26 November 2014|
Mixing and CP violation in the Bs system with ATLAS
Department of nuclear physics and biophysics, Faculty of Mathematics, Physics and Informatics, Comenius University, Mlynská Dolina F1, 842 48 Bratislava, Slovakia
a e-mail: Pavol.Bartos@cern.ch
Published online: 26 November 2014
The different amplitudes contributing to the decay of Bs into J/ψϕ (µ+µ− K+ K−) can be studied with a combined analysis of the decay time and angular correlations. An analysis based on the LHC data collected by the ATLAS detector in 2011 and with initial B-meson flavour tagging is presented, improving the accuracy in the CP-violating phase ϕs compared to the untagged analysis.
© Owned by the authors, published by EDP Sciences, 2014
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