利用CMD-3探测器在质心能量阈值至2 GeV范围内对过程$e^+e^- \to p\bar{p}$的研究
高能物理 - 实验
2016-07-20 v2
摘要
利用在VEPP-2000 对撞机上以CMD-3探测器收集的6.8 pb数据样本，我们筛选出约2700个过程事例，并在12个能量点测量其截面，系统不确定性约为6\%。根据产生核子的角分布，我们得到比值。
引用
@article{arxiv.1507.08013,
title = {Study of the process $e^+e^-\to p\bar{p}$ in the c.m. energy range from threshold to 2 GeV with the CMD-3 detector},
author = {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 G. V. Fedotovich and S. E. Gayazov and A. A. Grebenuk and S. S. Gribanov and D. N. Grigoriev and E. M. Gromov and F. V. Ignatov and V. L. Ivanov and S. V. Karpov and A. S. Kasaev and V. F. Kazanin and B. I. Khazin and A. N. Kirpotin and I. A. Koop and O. A. Kovalenko 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 K. Yu. Mikhailov and V. S. Okhapkin and A. V. Otboev and Yu. N. Pestov and S. G. Pivovarov and A. S. Popov and G. P. Razuvaev 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 E. P. Solodov and V. M. Titov and A. A. Talyshev and A. I. Vorobiov and Yu. V. Yudin and Yu. M. Zharinov},
journal= {arXiv preprint arXiv:1507.08013},
year = {2016}
}