$\psi(3770)$ 附近 $e^+e^- \rightarrow p\bar{p}$ 的研究
高能物理 - 实验
2015-06-19 v2
摘要
利用 BESIII 探测器在 3.773~ 处积累的 2917 数据、在 3.65~ 处积累的 44.5~ 数据以及在 线形扫描期间积累的数据，研究了反应 ，并考虑了共振态振幅与连续谱振幅之间可能存在的干涉。发现 的截面 存在两个解：一个是 () pb，相角 （90% 置信水平下 0.11 pb）；另一个是 ) pb，，两者均符合相消干涉。利用获得的 截面，估算了 的截面，该信息对未来 PANDA 实验有用，其值估计为 () nb（90% C.L. 下 nb）或 nb。
引用
@article{arxiv.1403.6011,
title = {Study of $e^+e^- \rightarrow p\bar{p}$ in the vicinity of $\psi(3770)$},
author = {BESIII Collaboration and M. Ablikim and M. N. Achasov and X. C. Ai and O. Albayrak and M. Albrecht and D. J. Ambrose and F. F. An and Q. An and J. Z. Bai and R. Baldini Ferroli and Y. Ban and J. V. Bennett and M. Bertani and J. M. Bian and E. Boger and O. Bondarenko and I. Boyko and S. Braun and R. A. Briere and H. Cai and X. Cai and O. Cakir and A. Calcaterra and G. F. Cao and S. A. Cetin and J. F. Chang and G. Chelkov and G. Chen and H. S. Chen and J. C. Chen and M. L. Chen and S. J. Chen and X. Chen and X. R. Chen and Y. B. Chen and H. P. Cheng and X. K. Chu and Y. P. Chu and D. Cronin-Hennessy and H. L. Dai and J. P. Dai and D. Dedovich and Z. Y. Deng and A. Denig and I. Denysenko and M. Destefanis and W. M. Ding and Y. Ding and C. Dong and J. Dong and L. Y. Dong and M. Y. Dong and S. X. Du and J. Z. Fan and J. Fang and S. S. Fang and Y. Fang and L. Fava and C. Q. Feng and C. D. Fu and O. Fuks and Q. Gao and Y. Gao and C. Geng and K. Goetzen and W. X. Gong and W. Gradl and M. Greco and M. H. Gu and Y. T. Gu and Y. H. Guan and L. B. Guo and T. Guo and Y. P. Guo and Y. L. Han and F. A. Harris and K. L. He and M. He and Z. Y. He and T. Held and Y. K. Heng and Z. L. Hou and C. Hu and H. M. Hu and J. F. Hu and T. Hu and G. M. Huang and G. S. Huang and H. P. Huang and J. S. Huang and L. Huang and X. T. Huang and Y. Huang and T. Hussain and C. S. Ji and Q. Ji and Q. P. Ji and X. B. Ji and X. L. Ji and L. L. Jiang and L. W. Jiang and X. S. Jiang and J. B. Jiao and Z. Jiao and D. P. Jin and S. Jin and T. Johansson and N. Kalantar-Nayestanaki and X. L. Kang and X. S. Kang and M. Kavatsyuk and B. Kloss and B. Kopf and M. Kornicer and W. Kuehn and A. Kupsc and W. Lai and J. S. Lange and M. Lara and P. Larin and M. Leyhe and C. H. Li and Cheng Li and Cui Li and D. Li and D. M. Li and F. Li and G. Li and H. B. Li and J. C. Li and K. Li and K. Li and Lei Li and P. R. Li and Q. J. Li and T. Li and W. D. Li and W. G. Li and X. L. Li and X. N. Li and X. Q. 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Pacetti and M. Pelizaeus and H. P. Peng and K. Peters and J. L. Ping and R. G. Ping and R. Poling and M. Qi and S. Qian and C. F. Qiao and L. Q. Qin and N. Qin and X. S. Qin and Y. Qin and Z. H. Qin and J. F. Qiu and K. H. Rashid and C. F. Redmer and M. Ripka and G. Rong and X. D. Ruan and A. Sarantsev and K. Schoenning and S. Schumann and W. Shan and M. Shao and C. P. Shen and X. Y. Shen and H. Y. Sheng and M. R. Shepherd and W. M. Song and X. Y. Song and S. Spataro and B. Spruck and G. X. Sun and J. F. Sun and S. S. Sun and Y. J. Sun and Y. Z. Sun and Z. J. Sun and Z. T. Sun and C. J. Tang and X. Tang and I. Tapan and E. H. Thorndike and D. Toth and M. Ullrich and I. Uman and G. S. Varner and B. Wang and D. Wang and D. Y. Wang and K. Wang and L. L. Wang and L. S. Wang and M. Wang and P. Wang and P. L. Wang and Q. J. Wang and S. G. Wang and W. Wang and X. F. Wang and Y. D. Wang and Y. F. Wang and Y. Q. Wang and Z. Wang and Z. G. Wang and Z. H. Wang and Z. Y. Wang and D. H. Wei and J. 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Zhao and Q. W. Zhao and S. J. Zhao and T. C. Zhao and X. H. Zhao and Y. B. Zhao and Z. G. Zhao and A. Zhemchugov and B. Zheng and J. P. Zheng and Y. H. Zheng and B. Zhong and L. Zhou and Li Zhou and X. Zhou and X. K. Zhou and X. R. Zhou and X. Y. Zhou and K. Zhu and K. J. Zhu and X. L. Zhu and Y. C. Zhu and Y. S. Zhu and Z. A. Zhu and J. Zhuang and B. S. Zou and J. H. Zou},
journal= {arXiv preprint arXiv:1403.6011},
year = {2015}
}