Aachen 2019 – scientific programme

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T: Fachverband Teilchenphysik

T 40: Flavorphysik I

T 40.3: Talk

Tuesday, March 26, 2019, 16:30–16:45, S15

Studies for the measurement of B_s,d⁰→µ⁺µ⁻ using the full dataset of the LHCb experiment — Johannes Albrecht and •Titus Mombächer — Experimentelle Physik 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 5 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 first studies to measure the decays B_s,d⁰→µ⁺µ⁻ on the full Run 1 and Run 2 dataset recorded by the LHCb experiment corresponding to 9 fb⁻¹.