SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 2: Flavor I

T 2.4: Vortrag

Montag, 20. März 2023, 17:15–17:30, HSZ/0004

CP violation measurement in B⁰ → D⁺ D⁻ and B_s⁰ → D_s⁺ D_s⁻ decays at the LHCb experiment — Johannes Albrecht, •Louis Gerken, Philipp Ibis, and Antje Mödden — TU Dortmund University, Dortmund, Germany

Time dependent measurements of CP violation are a major part of the research at the LHCb experiment. They provide access to important Standard Model parameters such as the CP-violating mixing phases sin2β and φ_s. These can be measured in B⁰ → D⁺ D⁻ and B_s⁰ → D_s⁺ D_s⁻ decays, respectively. The CP violation in these decays arises in the interference between the direct decay and the decay after mixing. Due to the similarities of these decays, the two measurements are performed in parallel.

In this talk, the current status of the analysis is 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.