J
J. Z. Bai
Researcher at Queen Mary University of London
Publications - 137
Citations - 3129
J. Z. Bai is an academic researcher from Queen Mary University of London. The author has contributed to research in topics: Branching fraction & Electron–positron annihilation. The author has an hindex of 29, co-authored 137 publications receiving 2952 citations.
Papers
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Journal ArticleDOI
Observation of a near-threshold enhancement in the pp mass spectrum from radiative J/psi-->gammapp decays.
J. Z. Bai,Y. Ban,J. G. Bian,XZ（蔡翔舟） Cai,J. F. Chang,H. F. Chen,H. S. Chen,J. Chen,Jie Chen,J. C. Chen,Y. B. Chen,S. P. Chi,Y. P. Chu,Xingzhu Cui,Y. M. Dai,Y. S. Dai,L. Y. Dong,S. X. Du,Z. Z. Du,W. Dunwoodie,J. Fang,S. S. Fang,C. D. Fu,H. Y. Fu,L. P. Fu,C. S. Gao,M. L. Gao,Y. N. Gao,M. Y. Gong,W. X. Gong,S. D. Gu,Y. N. Guo,Y. Q. Guo,Z. J. Guo,S. W. Han,F. A. Harris,J. J. He,K. L. He,M. He,X. H. He,Y. K. Heng,T. Hong,H. M. Hu,T. Hu,G. S. Huang,Liang Huang,Xiru Huang,Joseph Izen,X. B. Ji,Chun-Hua Jiang,X. S. Jiang,D. P. Jin,S. Jin,Y. Jin,B. D. Jones,Z. J. Ke,D. Kong,Y. F. Lai,F. Li,G. Li,H. H. Li,J. C. Li,Jiemin Li,K. Li,Q. J. Li,R. B. Li,R. Y. Li,W. D. Li,W. G. Li,X. Q. Li,Xintong Li,C. F. Liu,C. X. Liu,Fang Liu,F. Liu,H. M. Liu,J. B. Liu,J. P. Liu,R. G. Liu,Y. B. Liu,Z. A. Liu,Z. X. Liu,Xuanhong Lou,G. R. Lu,F. Lu,Houbing Lu,J. G. Lu,Z. J. Lu,X. L. Luo,E. C. Ma,F. C. Ma,Jun-Bing Ma,R. Malchow,Z. P. Mao,X. C. Meng,X. H. Mo,J. Nie,Z. D. Nie,Stephen L. Olsen,D. Paluselli,Haiping Peng,N. D. Qi,C. D. Qian,J. F. Qiu,G. Rong,D. L. Shen,H. Shen,X. Y. Shen,H. Y. Sheng,Feng Shi,L. W. Song,H. S. Sun,S.S. Sun,Y. Z. Sun,Z. J. Sun,S. Q. Tang,X. Tang,D. Tian,Yang Tian,W. H. Toki,G. L. Tong,G. S. Varner,J. Z. Wang,Jing Wang,L. S. Wang,L. S. Wang,M. Z. Wang,Meng Wang,P. Wang,P. L. Wang,W. F. Wang,Yudan Wang,Zhe Wang,Zujian Wang,Zheng Wang,Z. Y. Wang,Cunfeng Wei,N. Wu,X. M. Xia,X. X. Xie,G. F. Xu,Y. C. Xu,S. T. Xue,M. L. Yan,W. B. Yan,G. A. Yang,H. X. Yang,Jiming Yang,S. D. Yang,M. H. Ye,Y. X. Ye,J. Ying,C. S. Yu,G. W. Yu,C. Z. Yuan,J. M. Yuan,Y. Yuan,Q. Yue,S. L. Zang,Y. Zeng,B. X. Zhang,B. Y. Zhang,C. C. Zhang,D. H. Zhang,H. Y. Zhang,J. Y. Zhang,J. M. Zhang,J. W. Zhang,Lei Zhang,Qiyang Zhang,S. Q. Zhang,X. Y. Zhang,Y. J. Zhang,Yiyun Zhang,Y. Y. Zhang,Z. P. Zhang,D. X. Zhao,Jiawei Zhao,J. W. Zhao,P. P. Zhao,W. R. Zhao,Y. B. Zhao,Z. Zhao,Jinxing Zheng,L. S. Zheng,Z. P. Zheng,X. C. Zhong,Bing Zhou,Guangzhao Zhou,L. P. Zhou,Ning Zhou,K. J. Zhu,Q. M. Zhu,Yingchun Zhu,Y. C. Zhu,Y. S. Zhu,Z. A. Zhu,B. A. Zhuang,B.S. Zou +198 more
TL;DR: In this paper, the authors observed a narrow enhancement near 2m(p) in the invariant mass spectrum of pp pairs from radiative J/psi-->gammapp decays.
Journal ArticleDOI
Observation of a ResonanceX(1835)inJ/ψ→γπ+π−η′
M. Ablikim,J. Z. Bai,Y. Ban,J. G. Bian,XZ（蔡翔舟） Cai,H. F. Chen,H. S. Chen,Huirun Chen,J. C. Chen,Jin Chen,Y. B. Chen,S. P. Chi,Y. P. Chu,Xingzhu Cui,Y. S. Dai,Z. Y. Deng,L. Y. Dong,Q. F. Dong,S. X. Du,Z. Z. Du,J. Fang,S. S. Fang,C. D. Fu,C. S. Gao,Y. N. Gao,S. D. Gu,Y. T. Gu,Y. N. Guo,Y. Q. Guo,Z. J. Guo,F. A. Harris,K. L. He,Miao He,Y. K. Heng,H. M. Hu,T. Hu,G. S. Huang,Xiru Huang,X. T. Huang,X. B. Ji,X. S. Jiang,J. B. Jiao,D. P. Jin,S. Jin,Yi Jin,Y. F. Lai,G. Li,H. B. Li,Hangxu Li,J. C. Li,R. Y. Li,S. M. Li,W. D. Li,W. G. Li,X. L. Li,X. Q. Li,Y. Li,Y. F. Liang,Hongbo Liao,C. X. Liu,F. Liu,Fang Liu,H. H. Liu,H. M. Liu,J. P. Liu,J. B. Liu,J. P. Liu,R. G. Liu,Z. A. Liu,F. Lu,G. R. Lu,Houbing Lu,J. G. Lu,C. L. Luo,F. C. Ma,H. L. Ma,L. L. Ma,Q. M. Ma,X. B. Ma,Z. P. Mao,X. H. Mo,J. Nie,S. L. Olsen,Haiping Peng,N. D. Qi,H. Qin,J. F. Qiu,Z. Y. Ren,G. Rong,Lianyou Shan,Shang Lunlin,D. L. Shen,X. Y. Shen,H. Y. Sheng,Feng Shi,X. Shi,H. S. Sun,Jianwei Sun,S. S. Sun,Y. Z. Sun,Z. J. Sun,Z. Q. Tan,X. Tang,Yang Tian,G. L. Tong,G. S. Varner,D. Y. Wang,L. S. Wang,L. S. Wang,M. Z. Wang,P. Wang,P. L. Wang,W. F. Wang,Yudan Wang,Zujian Wang,Z. Y. Wang,Zhe Wang,Zheng Wang,Cunfeng Wei,D. H. Wei,N. Wu,X. M. Xia,X. X. Xie,Bo Xin,G. F. Xu,Y. C. Xu,M. L. Yan,Fan Yang,H. X. Yang,Jiming Yang,Y. X. Yang,M. H. Ye,Y. X. Ye,Z. Y. Yi,G. W. Yu,C. Z. Yuan,J. M. Yuan,Y. Yuan,S. L. Zang,Y. Zeng,Yu Zeng,B. X. Zhang,B. Y. Zhang,C. C. Zhang,D. H. Zhang,H. Y. Zhang,J. W. Zhang,J. Y. Zhang,Qiyang Zhang,Xunchao Zhang,X. Y. Zhang,Y. Y. Zhang,Z. P. Zhang,Z. Y. Zhang,D. X. Zhao,J. W. Zhao,M. G. Zhao,P. P. Zhao,W. R. Zhao,Z. G. Zhao,Han-Qing Zheng,Jinxing Zheng,Z. P. Zheng,L. P. Zhou,Ning Zhou,K. J. Zhu,Q. M. Zhu,Y. C. Zhu,Yingchun Zhu,Y. S. Zhu,Z. A. Zhu,B. A. Zhuang,Xuai Zhuang,B.S. Zou +173 more
TL;DR: In this article, the decay channel of the BESII detector was analyzed using a sample of 5.5 × 5.8 µm with a statistical significance of 7.7 µm.
Journal ArticleDOI
Observation of a resonance in Chi(1835) in J/psi --> gammapi+ pi- eta-.
M. Ablikim,J. Z. Bai,Y. Ban,J. G. Bian,XZ（蔡翔舟） Cai,H. F. Chen,H. S. Chen,Huirun Chen,J. C. Chen,Jin Chen,Y. B. Chen,S. P. Chi,Y. P. Chu,Xingzhu Cui,Y. S. Dai,Z. Y. Deng,L. Y. Dong,Q. F. Dong,S. X. Du,Z. Z. Du,J. Fang,S. S. Fang,C. D. Fu,C. S. Gao,Y. N. Gao,S. D. Gu,Y. T. Gu,Y. N. Guo,Y. Q. Guo,Z. J. Guo,F. A. Harris,K. L. He,Miao He,Y. K. Heng,H. M. Hu,T. Hu,G. S. Huang,Xiru Huang,X. T. Huang,X. B. Ji,X. S. Jiang,J. B. Jiao,D. P. Jin,S. Jin,Yi Jin,Y. F. Lai,G. Li,H. B. Li,Hangxu Li,J. C. Li,R. Y. Li,S. M. Li,W. D. Li,W. G. Li,X. L. Li,X. Q. Li,Y. Li,Y. F. Liang,Hongbo Liao,C. X. Liu,F. Liu,Fang Liu,H. H. Liu,H. M. Liu,J. P. Liu,J. B. Liu,J. P. Liu,R. G. Liu,Z. A. Liu,F. Lu,G. R. Lu,Houbing Lu,J. G. Lu,C. L. Luo,F. C. Ma,H. L. Ma,L. L. Ma,Q. M. Ma,X. B. Ma,Z. P. Mao,X. H. Mo,J. Nie,S. L. Olsen,Haiping Peng,N. D. Qi,H. Qin,J. F. Qiu,Z. Y. Ren,G. Rong,Lianyou Shan,Shang Lunlin,D. L. Shen,X. Y. Shen,H. Y. Sheng,Feng Shi,X. Shi,H. S. Sun,Jianwei Sun,S. S. Sun,Y. Z. Sun,Z. J. Sun,Z. Q. Tan,X. Tang,Yang Tian,G. L. Tong,G. S. Varner,D. Y. Wang,L. S. Wang,L. S. Wang,M. Z. Wang,P. Wang,P. L. Wang,W. F. Wang,Yudan Wang,Zujian Wang,Z. Y. Wang,Zhe Wang,Zheng Wang,Cunfeng Wei,D. H. Wei,N. Wu,X. M. Xia,X. X. Xie,Bo Xin,G. F. Xu,Y. C. Xu,M. L. Yan,Fan Yang,H. X. Yang,Jiming Yang,Y. X. Yang,M. H. Ye,Y. X. Ye,Z. Y. Yi,G. W. Yu,C. Z. Yuan,J. M. Yuan,Y. Yuan,S. L. Zang,Y. Zeng,Yu Zeng,B. X. Zhang,B. Y. Zhang,C. C. Zhang,D. H. Zhang,H. Y. Zhang,J. W. Zhang,J. Y. Zhang,Qiyang Zhang,Xunchao Zhang,X. Y. Zhang,Y. Y. Zhang,Z. P. Zhang,Z. Y. Zhang,D. X. Zhao,J. W. Zhao,M. G. Zhao,P. P. Zhao,W. R. Zhao,Z. G. Zhao,Han-Qing Zheng,Jinxing Zheng,Z. P. Zheng,L. P. Zhou,Ning Zhou,K. J. Zhu,Q. M. Zhu,Y. C. Zhu,Yingchun Zhu,Y. S. Zhu,Z. A. Zhu,B. A. Zhuang,Xuai Zhuang,B.S. Zou +173 more
TL;DR: The Chi(1835) is observed in the pi(+)pi(-)eta invariant-mass spectrum with a statistical significance of 7.7 sigma and its properties are consistent with expectations for the state that produces the strong pp mass threshold enhancement observed inThe J/psi --> gammapp process at BESII.
Journal ArticleDOI
Studies of xi (2230) in J/ psi radiative decays.
J. Z. Bai,J. G. Bian,G. P. Chen,H. F. Chen,S. J. Chen,S. M. Chen,Y. B. Chen,Y. Q. Chen,Y. B. Chen,B. S. Cheng,Xingzhu Cui,H. L. Ding,W. Y. Ding,Z. Z. Du,X. L. Fan,J. Fang,C. S. Gao,M. L. Gao,S. Q. Gao,J. H. Gu,S. D. Gu,W. X. Gu,Y. F. Gu,Y. N. Guo,S. W. Han,Y. L. Han,J. He,Miao He,G. Y. Hu,T. Hu,X. Q. Hu,D. Q. Huang,Huang T,Y. Z. Huang,Chun-Hua Jiang,S. Jin,Y. Jin,S. H. Kang,Z. J. Ke,Y. F. Lai,H. B. Lan,P. F. Lang,F. Li,J. C. Li,P. Q. Li,Q. J. Li,R. B. Li,W. D. Li,Wei Li,W. G. Li,X. H. Li,X. N. Li,S. Z. Lin,H. M. Liu,J. P. Liu,J. H. Liu,Q. Liu,R. G. Liu,Y. B. Liu,Z. A. Liu,J. G. Lu,S. Q. Luo,Y. Luo,A. M. Ma +63 more
TL;DR: The BES experiment at the Beijing electron-positron collider has observed the $\ensuremath{\xi}$(2230) signal in the following states with $4.6, $ 4.1, and $ 3.8 statistical significances.
Journal ArticleDOI
Observation of Y(2175) in J/psi --> etaphif0 (980).
M. Ablikim,J. Z. Bai,Yu Bai,Y. Ban,XZ（蔡翔舟） Cai,H. F. Chen,H. S. Chen,Huirun Chen,J. Chen,J. C. Chen,X. D. Chen,Y. B. Chen,Y. P. Chu,Y. S. Dai,Z. Y. Deng,S. X. Du,J. Fang,C. D. Fu,C. S. Gao,Y. N. Gao,S. D. Gu,Y. T. Gu,Y. N. Guo,Z. J. Guo,F. A. Harris,K. L. He,Miao He,Y. K. Heng,J. Hou,H. M. Hu,T. Hu,G. S. Huang,X. T. Huang,Yanping Huang,X. B. Ji,X. S. Jiang,J. B. Jiao,D. P. Jin,S. Jin,Y. F. Lai,H. B. Li,J. C. Li,R. Y. Li,W. D. Li,W. G. Li,X. L. Li,X. N. Li,X. Q. Li,Y. F. Liang,Hongbo Liao,B. J. Liu,C. X. Liu,F. Liu,H. H. Liu,H. M. Liu,J. B. Liu,J. P. Liu,H. B. Liu,J. P. Liu,Q. Liu,R. G. Liu,S. B. Liu,Z. A. Liu,F. Lu,G. R. Lu,J. G. Lu,C. L. Luo,F. C. Ma,H. L. Ma,L. L. Ma,Q. M. Ma,M. Q. A. Malik,Z. P. Mao,X. H. Mo,J. Nie,S. L. Olsen,R. G. Ping,N. D. Qi,H. Qin,J. F. Qiu,G. Rong,Xichao Ruan,Lianyou Shan,Shang Lunlin,C. P. Shen,D. L. Shen,X. Y. Shen,H. Y. Sheng,H. S. Sun,S. S. Sun,Y. Z. Sun,Z. J. Sun,X. Tang,J. P. Tian,G. L. Tong,G. S. Varner,X. Wan,L. S. Wang,L. L. Wang,L. S. Wang,P. Wang,P. L. Wang,W. F. Wang,Yudan Wang,Zujian Wang,Z. Y. Wang,Cunfeng Wei,D. H. Wei,Y. Weng,N. Wu,X. M. Xia,X. X. Xie,G. F. Xu,X. P. Xu,Y. C. Xu,M. L. Yan,H. X. Yang,Mingming Yang,Y. X. Yang,M. H. Ye,Y. X. Ye,C. X. Yu,G. W. Yu,C. Z. Yuan,Y. Yuan,S. L. Zang,Y. Zeng,B. X. Zhang,B. Y. Zhang,C. C. Zhang,D. H. Zhang,H. Q. Zhang,H. Y. Zhang,J. W. Zhang,J. Y. Zhang,X. Y. Zhang,Y. Y. Zhang,Z. X. Zhang,Z. P. Zhang,D. X. Zhao,J. W. Zhao,M. G. Zhao,P. P. Zhao,Z. G. Zhao,Han-Qing Zheng,Jinxing Zheng,Z. P. Zheng,Zhou Bz,K. J. Zhu,Q. M. Zhu,Xiaobo Zhu,Y. C. Zhu,Y. S. Zhu,Z. A. Zhu,Z.L. Zhu,B. A. Zhuang,B.S. Zou +156 more
TL;DR: In this article, the decays of J/{psi} events collected with the BESII detector at the Beijing Electron-Positron Collider were analyzed using a sample of 5.8x10{sup 7} J/