Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 27: Invited Talks 2

T 27.1: Hauptvortrag

Dienstag, 22. März 2022, 11:00–11:30, T-H15

First Results From the Next Generation B-Factory Experiment Belle II — •Thomas Kuhr — Ludwig-Maximilians-Universität München

The first generation B-factory experiments BaBar and Belle had successfully confirmed the theory of CP violation in the Standard Model, but it is known to be insufficient to explain the observed matter anti-matter asymmetry in the universe. To address this and further open questions more precise measurements are needed to find evidence for a more general theory.

The Belle II experiment at the SuperKEKB accelerator in Tsukuba, Japan is designed to collect 50 times more data than its predecessor. The increase in luminosity and backgrounds is a challenge for the detector and the data processing and analysis. The physics data run started in 2019.

The status of the experiment, with focus on the Pixel Vertex Detector, and first physics results, highlighting the complementarity to the flavor physics program at the LHC, will be presented.