利用 VEPP-2000 对撞机上的 CMD-3 探测器研究过程 $e^+e^-{\to}K^+K^-\eta$
高能物理 - 实验
2019-10-23 v2
摘要
利用 2011、2012 和 2017 年用 VEPP-2000 对撞机上的 CMD-3 探测器收集的 59.5 pb 数据样本，在 1.59 至 2.007\,GeV 的质心能量范围内研究了过程 。发现 末态主要由 中间态的贡献主导。在选定的 3009 67 个事件基础上，以 5.1 的系统不确定性测量了过程 的截面。所得截面被用于计算对 muon 反常磁矩的贡献：，。由截面近似确定的 介子参数比以往研究具有更好的统计精度。
引用
@article{arxiv.1906.08006,
title = {Study of the process $e^+e^-{\to}K^+K^-\eta$ with the CMD-3 detector at the VEPP-2000 collider},
author = {V. L. Ivanov and G. V. Fedotovich and R. R. Akhmetshin and A. N. Amirkhanov and A. V. Anisenkov and V. M. Aulchenko and V. Sh. Banzarov and N. S. Bashtovoy and D. E. Berkaev and A. E. Bondar and A. V. Bragin and S. I. Eidelman and D. A. Epifanov and L. B. Epshteyn and A. L. Erofeev and S. E. Gayazov and A. A. Grebenuk and S. S. Gribanov and D. N. Grigoriev and F. V. Ignatov and S. V. Karpov and A. S. Kasaev and V. F. Kazanin and I. A. Koop and A. A. Korobov and A. N. Kozyrev and E. A. Kozyrev and P. P. Krokovny and A. E. Kuzmenko and A. S. Kuzmin and I. B. Logashenko and P. A. Lukin and A. P. Lysenko and K. Yu. Mikhailov and V. S. Okhapkin and E. A. Perevedentsev and Yu. N. Pestov and A. S. Popov and G. P. Razuvaev and A. A. Ruban and N. M. Ryskulov and A. E. Ryzhenenkov and A. V. Semenov and Yu. M. Shatunov and V. E. Shebalin and D. N. Shemyakin and B. A. Shwartz and D. B. Shwartz and A. L. Sibidanov and E. P. Solodov and M. V. Timoshenko and V. M. Titov and A. A. Talyshev and S. S. Tolmachev and A. I. Vorobiov and Yu. V. Yudin},
journal= {arXiv preprint arXiv:1906.08006},
year = {2019}
}