利用 KEDR 探测器测量 $\Gamma_{ee}(J/\psi)$
高能物理 - 实验
2018-06-13 v1
摘要
利用 VEPP-4M 对撞机上的 KEDR 探测器，测量了 介子的电子宽度与其强子衰变和电子衰变分支比的乘积。所得值为： 所示不确定度分别为统计与系统误差。利用所呈结果及电子分支比的世界平均值，可得 介子的总宽度： 这些结果与先前实验一致。
引用
@article{arxiv.1801.01958,
title = {Measurement of $\Gamma_{ee}(J/\psi)$ with KEDR detector},
author = {V. V. Anashin and V. M. Aulchenko and E. M. Baldin and A. K. Barladyan and A. Yu. Barnyakov and M. Yu. Barnyakov and S. E. Baru and I. V. Bedny and A. E. Blinov and V. E. Blinov and A. V. Bobrov and V. S. Bobrovnikov and A. V. Bogomyagkov and A. E. Bondar and D. V. Bondarev and A. R. Buzykaev and S. I. Eidelman and Yu. M. Glukhovchenko and V. V. Gulevich and D. V. Gusev and S. E. Karnaev and G. V. Karpov and S. V. Karpov and T. A. Kharlamova and V. A. Kiselev and S. A. Kononov and K. Yu. Kotov and E. A. Kravchenko and V. F. Kulikov and G. Ya. Kurkin and E. A. Kuper and E. B. Levichev and D. A. Maksimov and V. M. Malyshev and A. L. Maslennikov and A. S. Medvedko and O. I. Meshkov and S. I. Mishnev and I. I. Morozov and N. Yu. Muchnoi and V. V. Neufeld and S. A. Nikitin and I. B. Nikolaev and I. N. Okunev and A. P. Onuchin and S. B. Oreshkin and I. O. Orlov and A. A. Osipov and S. V. Peleganchuk and S. G. Pivovarov and P. A. Piminov and V. V. Petrov and A. O. Poluektov and I. N. Popkov and V. G. Prisekin and O. L. Rezanova and A. A. Ruban and V. K. Sandyrev and G. A. Savinov and A. G. Shamov and D. N. Shatilov and B. A. Shwartz and E. A. Simonov and S. V. Sinyatkin and Yu. I. Skovpen and A. N. Skrinsky and V. V. Smaluk and A. V. Sokolov and A. M. Sukharev and E. V. Starostina and A. A. Talyshev and V. A. Tayursky and V. I. Telnov and Yu. A. Tikhonov and K. Yu. Todyshev and G. M. Tumaikin and Yu. V. Usov and A. I. Vorobiov and A. N. Yushkov and V. N. Zhilich and V. V. Zhulanov and A. N. Zhuravlev},
journal= {arXiv preprint arXiv:1801.01958},
year = {2018}
}
备注
19 pages, 13 figures