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T: Fachverband Teilchenphysik

T 98: Topics in flavor physics

T 98.5: Vortrag

Freitag, 3. April 2020, 12:00–12:15, H-HS XII

Measurement of time-dependent Charge-Parity asymmetries in neutral charm meson decays — •Daniel Unverzagt¹, Dominik Mitzel², Angelo Di Canto³, and Sascha Stahl² — ¹PI Heidelberg — ²CERN — ³Brookhaven National Laboratory

The measurement of the decay-time-dependent charge-parity (CP) asymmetry in D⁰ → π⁺π⁻ and D⁰ → K⁺K⁻ is presented using proton-proton collisions. The data was recorded between 2016 and 2018 at a center-of-mass energy of 13TeV with the LHCb detector at the LHC. Neutral D-mesons which arise from semi-leptonic decays of b-flavoured hadrons are used. The charge of the accompanying muon identifies the flavour of the D-meson at the time of production. The analysis strategy is discussed and final results are shown.