衰变 $D^+\rightarrow K^0_S\pi^+$ 中 CP 破坏的证据
高能物理 - 实验
2019-08-14 v4
摘要
我们利用 Belle 探测器在 KEKB 非对称能量对撞机上采集的积分亮度为 977 fb 的数据样本，观测到衰变 中存在 CP 破坏的证据。测得该衰变的 CP 不对称度为 ，偏离零值 3.2 个标准差，且与由末态中性 kaon 引起的预期 CP 破坏一致。
引用
@article{arxiv.1203.6409,
title = {Evidence for CP Violation in the Decay $D^+\rightarrow K^0_S\pi^+$},
author = {B. R. Ko and E. Won and I. Adachi and H. Aihara and D. M. Asner and V. Aulchenko and T. Aushev and T. Aziz and A. M. Bakich and K. Belous and V. Bhardwaj and B. Bhuyan and M. Bischofberger and A. Bondar and G. Bonvicini and A. Bozek and M. Bra\v and T. E. Browder and M. -C. Chang and A. Chen and P. Chen and B. G. Cheon and K. Chilikin and I. -S. Cho and K. Cho and Y. Choi and Z. Dole\v and Z. Drásal and S. Eidelman and J. E. Fast and V. Gaur and N. Gabyshev and Y. M. Goh and B. Golob and J. Haba and K. Hayasaka and H. Hayashii and Y. Horii and Y. Hoshi and W. -S. Hou and H. J. Hyun and T. Iijima and A. Ishikawa and R. Itoh and M. Iwabuchi and Y. Iwasaki and T. Iwashita and T. Julius and J. H. Kang and T. Kawasaki and C. Kiesling and H. O. Kim and J. B. Kim and K. T. Kim and M. J. Kim and Y. J. Kim and K. Kinoshita and S. Koblitz and P. Kody\v and S. Korpar and P. Kri\v and P. Krokovny and T. Kuhr and A. Kuzmin and Y. -J. Kwon and J. S. Lange and S. -H. Lee and J. Li and Y. Li and J. Libby and C. -L. Lim and C. Liu and Y. Liu and Z. Q. Liu and D. Liventsev and R. Louvot and Y. Miyazaki and R. Mizuk and G. B. Mohanty and A. Moll and T. Mori and N. Muramatsu and Y. Nagasaka and E. Nakano and M. Nakao and H. Nakazawa and Z. Natkaniec and S. Nishida and K. Nishimura and O. Nitoh and S. Ogawa and T. Ohshima and S. Okuno and S. L. Olsen and Y. Onuki and W. Ostrowicz and P. Pakhlov and G. Pakhlova and C. W. Park and H. K. Park and K. S. Park and T. K. Pedlar and R. Pestotnik and M. Petri\v and L. E. Piilonen and A. Poluektov and M. Ritter and M. Röhrken and S. Ryu and H. Sahoo and K. Sakai and Y. Sakai and T. Sanuki and Y. Sato and O. Schneider and C. Schwanda and A. J. Schwartz and R. Seidl and K. Senyo and M. E. Sevior and M. Shapkin and C. P. Shen and T. -A. Shibata and J. -G. Shiu and B. Shwartz and A. Sibidanov and F. Simon and P. Smerkol and Y. -S. Sohn and A. Sokolov and E. Solovieva and S. Stani\v and M. Stari\v and T. Sumiyoshi and S. Tanaka and G. Tatishvili and Y. Teramoto and K. Trabelsi and T. Tsuboyama and M. Uchida and S. Uehara and Y. Unno and S. Uno and G. Varner and K. E. Varvell and A. Vinokurova and V. Vorobyev and C. H. Wang and P. Wang and X. L. Wang and M. Watanabe and Y. Watanabe and H. Yamamoto and Y. Yamashita and C. Z. Yuan and C. C. Zhang and Z. P. Zhang and V. Zhulanov and A. Zupanc},
journal= {arXiv preprint arXiv:1203.6409},
year = {2019}
}
备注
6 pages, 3 figures