利用 CMD-3 探测器在 1.5--2.0 GeV 质心能量范围内研究 $e^+e^-\to 3(\pi^+\pi^-)$ 过程
高能物理 - 实验
2013-02-04 v1
摘要
利用 CMD-3 探测器在 VEPP-2000 对撞机上收集的 22 pb 积分亮度，测量了质心能量范围 1.5 -- 2.0 GeV 内 过程的截面。测量到的截面在 阈值附近表现出急剧下降。本文首次对六π介子产生的动力学进行了研究。
引用
@article{arxiv.1302.0053,
title = {Study of the process $e^+e^-\to 3(\pi^+\pi^-)$ in the c.m.energy range 1.5--2.0 gev with the cmd-3 detector},
author = {3 Collaboration and R. R. Akhmetshin and A. V. Anisenkov and S. A. Anokhin and V. M. Aulchenko and V. S. Banzarov and L. M. Barkov 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 G. V. Fedotovich and S. E. Gayazov and A. A. Grebenuk and D. N. Grigoriev and E. N. Gromov and F. V. Ignatov and S. V. Karpov and V. F. Kazanin and B. I. Khazin and I. A. Koop and A. N. Kozyrev and P. P. Krokovny and A. E. Kuzmenko and A. S. Kuzmin and I. B. Logashenko and A. P. Lysenko and P. A. Lukin and K. Yu. Mikhailov and Yu. N. Pestov and E. A. Perevedentsev and S. A. Pirogov and S. G. Pivovarov and A. S. Popov and Yu. S. Popov and S. I. Redin and Yu. A. Rogovsky and A. L. Romanov and A. A. Ruban and N. M. Ryskulov and A. E. Ryzhenenkov and V. E. Shebalin and D. N. Shemyakin and B. A. Shwartz and D. B. Shwartz and A. L. Sibidanov and P. Yu. Shatunov and Yu. M. Shatunov and I. G. Snopkov and E. P. Solodov and V. M. Titov and A. A. Talyshev and A. I. Vorobiov and Yu. V. Yudin and A. S. Zaytsev},
journal= {arXiv preprint arXiv:1302.0053},
year = {2013}
}