在 $\psi\text{(3770)}$ 附近研究 $e^+$e$^-$ $\rightarrow \text{p} \overline{\text{p}}\pi^0$ 过程
高能物理 - 实验
2014-08-27 v2
摘要
利用 BEPCII 对撞机上的 BESIII 探测器收集的数据，在 GeV、 GeV 以及 线形扫描期间，研究了 过程。测量了 附近的 的 Born 截面，并考虑到共振态与连续谱产生振幅之间的干涉，提取了 的 Born 截面。发现了两个概率相同且显著性为 1.5 的解， 的 Born 截面分别确定为小于 0.22 pb（90% 置信水平）和 pb。利用估算的截面和常数衰变振幅近似，计算了计划中的 实验运动学情况下的截面 。对应于这两个解的最大截面预期在 90% 置信水平下小于 nb，在 5.26 GeV 的质心能量下为 nb。
引用
@article{arxiv.1406.2486,
title = {Study of e$^+$e$^-$ $\rightarrow \text{p} \overline{\text{p}}\pi^0$ in the Vicinity of the $\psi\text{(3770)}$},
author = {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 A. Q. Guo 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. Kühn 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. Li and Z. B. Li and H. Liang and Y. F. Liang and Y. T. Liang and D. X. Lin and B. J. Liu and C. L. Liu and C. X. Liu and F. H. Liu and Fang Liu and Feng Liu and H. B. Liu and H. H. Liu and H. M. Liu and J. Liu and J. P. Liu and K. Liu and K. Y. Liu and P. L. Liu and Q. Liu and S. B. Liu and X. Liu and Y. B. Liu and Z. A. Liu and Zhiqiang Liu and Zhiqing Liu and H. Loehner and X. C. Lou and G. R. Lu and H. J. Lu and H. L. Lu and J. G. Lu and X. R. Lu and Y. Lu and Y. P. Lu and C. L. Luo and M. X. Luo and T. Luo and X. L. Luo and M. Lv and F. C. Ma and H. L. Ma and Q. M. Ma and S. Ma and T. Ma and X. Y. Ma and F. E. Maas and M. Maggiora and Q. A. Malik and Y. J. Mao and Z. P. Mao and J. G. Messchendorp and J. Min and T. J. Min and R. E. Mitchell and X. H. Mo and Y. J. Mo and H. Moeini and C. Morales Morales and K. Moriya and N. Yu. Muchnoi and H. Muramatsu and Y. Nefedov and I. B. Nikolaev and Z. Ning and S. Nisar and X. Y. Niu and S. L. Olsen and Q. Ouyang and S. Pacetti and M. Pelizaeus and H. P. Peng and K. Peters and J. L. Ping and R. G. Ping and R. Poling and N. Q. and M. Qi and S. Qian and C. F. Qiao and L. Q. 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. B. Wei and P. Weidenkaff and S. P. Wen and M. Werner and U. Wiedner and M. Wolke and L. H. Wu and N. Wu and Z. Wu and L. G. Xia and Y. Xia and D. Xiao and Z. J. Xiao and Y. G. Xie and Q. L. Xiu and G. F. Xu and L. Xu and Q. J. Xu and Q. N. Xu and X. P. Xu and Z. Xue and L. Yan and W. B. Yan and W. C. Yan and Y. H. Yan and H. X. Yang and L. Yang and Y. Yang and Y. X. Yang and H. Ye and M. Ye and M. H. Ye and B. X. Yu and C. X. Yu and H. W. Yu and J. S. Yu and S. P. Yu and C. Z. Yuan and W. L. Yuan and Y. Yuan and A. Yuncu and A. A. Zafar and A. Zallo and S. L. Zang and Y. Zeng and B. X. Zhang and B. Y. Zhang and C. Zhang and C. B. Zhang and C. C. Zhang and D. H. Zhang and H. H. Zhang and H. Y. Zhang and J. J. Zhang and J. Q. Zhang and J. W. Zhang and J. Y. Zhang and J. Z. Zhang and S. H. Zhang and X. J. Zhang and X. Y. Zhang and Y. Zhang and Y. H. Zhang and Z. H. Zhang and Z. P. Zhang and Z. Y. Zhang and G. Zhao and J. W. Zhao and Lei Zhao and Ling Zhao and M. G. Zhao and Q. 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:1406.2486},
year = {2014}
}