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Bonn 2020 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 51: Flavor physics: CKM I

T 51.2: Vortrag

Mittwoch, 1. April 2020, 16:45–17:00, H-HS XI

Vub analysis at Belle II — •Yaroslav Kulii and Thomas Kuhr for the Belle II collaboration — Ludwig-Maximilians-Universität München

The flavour mixing of quarks, generated by the CKM matrix, has been experimentally confirmed a long time ago and since then has been a subject of various studies.

While the complex phase generates CP-violation, the moduli of the CKM matrix elements define the overall transition rate of quarks between generations. Discrepancies between results coming from inclusive and exclusive determination of the Vub element (i.e. bu quark transition rate) have been a matter of dispute.

In this study the data from Belle and Belle II experiments as well as corresponding experimental and theoretical techniques are used for further analysis of bu quark transition rate. The studied processes are in particular B → π+ decays.

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