Measurement of $C\!P$ asymmetries and branching-fraction ratios for $B^\pm \to DK^\pm$ and $Dπ^\pm$ with $D\to K^0_{\rm S} K^\pmπ^\mp$ using Belle and Belle II data
Creators: name: Belle
name: Collaboration, Belle II
name: :
name: Adachi, I.
name: Aggarwal, L.
name: Aihara, H.
name: Akopov, N.
name: Aloisio, A.
name: Ky, N. Anh
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name: de la Cruz, I. Heredia
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name: Xu, X. P.
name: Yabsley, B. D.
name: Yamada, S.
name: Yan, W.
name: Yang, S. B.
name: Yin, J. H.
name: Yoshihara, K.
name: Yuan, C. Z.
name: Yusa, Y.
name: Zani, L.
name: Zhang, Y.
name: Zhilich, V.
name: Zhou, J. S.
name: Zhou, Q. D.
name: Zhukova, V. I.
name: Žlebčík, R.
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: We measure $C\!P$ asymmetries and branching-fraction ratios for $B^\pm \to DK^\pm$ and $Dπ^\pm$ decays with $D\to K^0_{\rm S} K^\pmπ^\mp$, where $D$ is a superposition of $D^0$ and $\bar{D}^0$. We use the full data set of the Belle experiment, containing $772\times 10^6~B\bar{B}$ pairs, and data from the Belle~II experiment, containing $387\times 10^6~B\bar{B}$ pairs, both collected in electron-positron collisions at the $Υ(4S)$ resonance. Our results provide model-independent information on the unitarity triangle angle $ϕ_3$.
description: 26 pages, 8 figures