利用 CLEO 实验中 e+e- --> D0 D0bar 的量子关联更新 D0 --> K+pi- 衰变强相位的测量
高能物理 - 实验
2015-06-11 v2
摘要
我们分析了来自 CLEO-c 探测器在 GeV 处收集的 818 pb 碰撞数据中的 300 万个量子关联 对样本，以更新 的测量值并首次确定 ，其中 是双 Cabibbo 压低衰变 与 Cabibbo 允许衰变 振幅之间的相对强相位。在不引入其他实验输入的情况下，我们发现 ，，且 度。通过包含混合参数的外部测量值，我们发现了替代值：，，以及 度。我们的结果可用于将混合参数 的世界平均不确定度提高约 10%。
引用
@article{arxiv.1210.0939,
title = {Updated Measurement of the Strong Phase in D0 --> K+pi- Decay Using Quantum Correlations in e+e- --> D0 D0bar at CLEO},
author = {CLEO Collaboration and D. M. Asner and G. Tatishvili and J. Y. Ge and D. H. Miller and I. P. J. Shipsey and B. Xin and G. S. Adams and J. Napolitano and K. M. Ecklund and Q. He and J. Insler and H. Muramatsu and L. J. Pearson and E. H. Thorndike and M. Artuso and S. Blusk and N. Horwitz and R. Mountain and T. Skwarnicki and S. Stone and J. C. Wang and L. M. Zhang and P. U. E. Onyisi and G. Bonvicini and D. Cinabro and A. Lincoln and M. J. Smith and P. Zhou and P. Naik and J. Rademacker and K. W. Edwards and E. J. White and R. A. Briere and H. Vogel and P. U. E. Onyisi and J. L. Rosner and J. P. Alexander and D. G. Cassel and S. Das and R. Ehrlich and L. Gibbons and S. W. Gray and D. L. Hartill and D. L. Kreinick and V. E. Kuznetsov and J. R. Patterson and D. Peterson and D. Riley and A. Ryd and A. J. Sadoff and X. Shi and S. Stroiney and W. M. Sun and J. Yelton and P. Rubin and N. Lowrey and S. Mehrabyan and M. Selen and J. Wiss and J. Libby and M. Kornicer and R. E. Mitchell and D. Besson and T. K. Pedlar and D. Cronin-Hennessy and J. Hietala and S. Dobbs and Z. Metreveli and K. K. Seth and A. Tomaradze and T. Xiao and A. Powell and C. Thomas and G. Wilkinson},
journal= {arXiv preprint arXiv:1210.0939},
year = {2015}
}
备注
Minor revisions, version accepted by PRD