利用 62.8 fb⁻¹ Belle II 数据研究 B→D^{(*)}h 衰变
高能物理 - 实验
2021-04-10 v1
摘要
我们报告了与含粲介子末态的强子 B 衰变相关的测量结果。分析基于 Belle II 实验在对应 Υ(4S) 共振质量质心能量下收集的 62.8 fb⁻¹ 数据集进行。所报告的测量针对衰变模式 B⁻→D⁰h⁻、B⁻→D^{*0}h⁻、B̄⁰→D⁺h⁻ 和 B̄⁰→D^{*+}h⁻，其中 h=π 或 K。这些模式是在直接或间接 CP 破坏测量中，与幺正三角形角 γ 相关测量的信号道或控制道。所报告的观测量是 B→D^{(*)}K 与 B→D^{(*)}π 衰变率之比，发现其与先前测量结果一致。
引用
@article{arxiv.2104.03628,
title = {Study of $B\to D^{(*)}h$ decays using $62.8~\mathrm{fb}^{-1}$ of Belle II data},
author = {Belle II Collaboration and F. Abudinen and I. Adachi and R. Adak and K. Adamczyk and P. Ahlburg and J. K. Ahn and H. Aihara and N. Akopov and A. Aloisio and F. Ameli and L. Andricek and N. Anh Ky and D. M. Asner and H. Atmacan and V. Aulchenko and T. Aushev and V. Aushev and T. Aziz and V. Babu and S. Bacher and S. Baehr and S. Bahinipati and A. M. Bakich and P. Bambade and Sw. Banerjee and S. Bansal and M. Barrett and G. Batignani and J. Baudot and A. Beaulieu and J. Becker and P. K. Behera and M. Bender and J. V. Bennett and E. Bernieri and F. U. Bernlochner and M. Bertemes and E. Bertholet and M. Bessner and S. Bettarini and V. Bhardwaj and B. Bhuyan and F. Bianchi and T. Bilka and S. Bilokin and D. Biswas and A. Bobrov and A. Bondar and G. Bonvicini and A. Bozek and M. Bracko and P. Branchini and N. Braun and R. A. Briere and T. E. Browder and D. N. Brown and A. Budano and L. Burmistrov and S. Bussino and M. Campajola and L. Cao and G. Caria and G. Casarosa and C. 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journal= {arXiv preprint arXiv:2104.03628},
year = {2021}
}
备注
19 pages, 5 figures, Moriond QCD