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T: Fachverband Teilchenphysik

T 60: Top Quarks: Decay and CP Violation and Mixing Angles

T 60.6: Talk

Wednesday, March 23, 2022, 17:30–17:45, T-H19

Measurement of CP violation in Bs0Ds+ Ds and B0D+ D decays with the LHCb experiment — •Louis Gerken, Philipp Ibis, and Antje Mödden — Experimentelle Physik 5, TU Dortmund

At the LHCb experiment, time-dependent measurements of CP violation are performed to test the Standard Model of particle physics. The decays Bs0Ds+ Ds and B0D+ D give access to the CP violation parameters φs and sin(2β). In these decays of neutral mesons, CP violation arises in the interference of the direct decay and the decay after mixing. Due to the similarities of the decays, a time-dependent CP violation measurement is performed in parallel for both decays.

In this talk, the current status of these measurements will be presented. The analysis uses data collected by the LHCb detector during 2015 to 2018 at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 6 fb−1.

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