SMuK 2023 – scientific programme

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T: Fachverband Teilchenphysik

T 2: Flavor I

T 2.5: Talk

Monday, March 20, 2023, 17:30–17:45, HSZ/0004

CP violation in τ→ K_S π ν_τ decays at Belle* — •Katarina Dugic, Daniel Greenwald, and Stephan Paul for the Belle II collaboration — Technical University Munich

In 2012, BaBar measured a CP-violating decay-rate asymmetry in τ→π K_S⁰(≥0π⁰)ν_τ that deviates from the standard-model prediction by 2.8σ. We present initial studies for measuring the same asymmetry using data from the Belle experiment, which is twice as large.

*Funded by the DFG under Germany’s Excellence Strategy - EXC2094 - 390783311 and BMBF Verbundforschung (05H21WOKBA BELLE2).