000003559 001__ 3559
000003559 005__ 20230513022614.0
000003559 037__ $$aBELLE2-CONF-PROC-2023-012
000003559 041__ $$aeng
000003559 100__ $$aVeronesi Michele
000003559 245__ $$aTime-dependent CP violation results at Belle II
000003559 260__ $$a$$c2023-05-08
000003559 300__ $$a5
000003559 520__ $$aWe report updates on time-dependent CP-violation observables at Belle II. The benchmark measurements of the B0 lifetime τB0 and mixing frequency ∆md using flavor specific hadronic decays and the determination of the CP-violating phase sin2φ1 in b → ccs transitions have been performed using data collected between 2019–2021. These analyses use only half of the current available dataset and are still statistically limited, showing the excellent performance of the detector and readiness of the analysis tools. We present three new results on the effective value of sin2φ1 in b → qqs transitions, which are highly sensitive to generic non-Standard Model (SM) physics amplitudes, using the full dataset collected between 2019–2022.
000003559 6531_ $$aTDCPV Penguin Moriond 2023
000003559 8560_ $$fveronesi@iastate.edu
000003559 8564_ $$uhttps://docs.belle2.org/record/3559/files/BELLE2-CONF-PROC-2023-012.pdf