Belle II Document Server 4 records found  Search took 0.01 seconds. 
1. Measurement of time-dependent CP asymmetry in B0 -> KS0 π0 γ decays at the Belle II experiment / Yuma Uematsu ; Yutaka Ushiroda [BELLE2-PTHESIS-2024-007] Presented on 26 07 2023 PhD
The University of Tokyo / Tokyo
We measure the time-dependent CP asymmetries in B0 -> KS0 π0 γ decay using (387.5 ± 5.8) × 10^6 BBbar pairs collected near the Υ(4S) resonance with SuperKEKB and Belle II from 2019 to 2022. [...]
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2. WG4: Measurement of sin2phi and sin2phieff at Belle/Belle II (including lifetime and oscillation frequency) / Yuma Uematsu [BELLE2-TALK-DRAFT-2023-136] [BELLE2-TALK-CONF-2023-141]
18 September 2023
/ 12th International Workshop on the CKM Unitarity Triangle
Belle II has started to produce time-dependent CP violation results. [...]
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3. The Silicon Vertex Detector of the Belle II Experiment / Yuma Uematsu [BELLE2-TALK-CONF-2021-091]
10 September 2021
/ Vertex 2021
Since the start of data taking in spring 2019 at the Super-KEKB collider (KEK, Japan) the Silicon Vertex Detector (SVD) has been operated reliably and with high efficiency, providing high-quality data: high signal-to-noise ratio and hit efficiency, as well precise spatial resolution and stability over time allowed to achieve good tracking efficiency. [...]
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4. A Study for Improvements in Signal Readout and Background Rejection of Belle II Silicon Vertex Detector / Yuma Uematsu ; Yutaka Ushiroda [BELLE2-MTHESIS-2021-017] Presented on 21 01 2020 MSc
The University of Tokyo / Tokyo
The Belle II experiment at KEK, Tsukuba, Japan, is conducted to search for new physics beyond the Standard Model (SM) through the precise measurement of the SM parameter in the flavor physics. [...]
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