Bonn 2020 – scientific programme

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T: Fachverband Teilchenphysik

T 30: Flavor physics: Lepton universality tests II

T 30.4: Talk

Tuesday, March 31, 2020, 17:45–18:00, H-HS XIII

Sensitivity of the analysis of the decays B_(s)⁰→µ⁺µ⁻ with the full dataset of the LHCb experiment — Johannes Albrecht, Maik Becker, and •Titus Mombächer — Experimentelle Phyik 5, TU Dortmund

The successful observation of the decay B_s⁰→µ⁺µ⁻ by a single experiment was achieved by the LHCb collaboration using a dataset corresponding to 4.4 fb⁻¹. It confirmed once more the predictions of the Standard Model and strongly constrained models for mechanisms beyond the Standard Model. However, the measurement is still statistically limited with a precision of 22 %. Also the decay B_d⁰→µ⁺µ⁻ could not be measured yet.

This talk presents studies for the sensitivity to measure the decays B_s⁰→µ⁺µ⁻ and B_d⁰→µ⁺µ⁻ on the full Run 1 and Run 2 dataset recorded by the LHCb experiment corresponding to 9 fb⁻¹.