Studies Of Xi(2230) In J/Psi Radiative Decays

J. Bai,G. Chen, H. Chen, S. Chen, Y. Chen,B. Cheng,X. Cui,H. Ding, W. Ding,Z. Du, X. Fan,J. Fang,C. Gao,M. Gao,S. Gao,J. Gu,S. Gu,W. Gu, Y. Gu, Y. Guo,S. Han,Y. Han,J. He,M. He,G. Hu,T. Hu,X. Hu,D. Huang, T. Huang, Y. Huang, C. Jiang,S. Jin,Y. Jin,S. Kang,Z. Ke, Y. Lai, H. Lan,P. Lang, F. Li, J. Li,P. Li,Q. Li, R. Li,W. Li,X. Li, S. Lin,H. Liu,J. Liu,Q. Liu,R. Liu,Y. Liu,Z. Liu,J. Lu, S. Luo,Y. Luo,A. Ma,E. Ma,J. Ma, H. Mao,Z. Mao,X. Meng,H. Ni, J. Nie,N. Qi,Y. Que,G. Rong,Y. Shao,B. Shen,D. Shen, H. Shen, X. Shen, H. Sheng,H. Shi,X. Song,F. Sun, H. Sun,S. Sun, Y. Tan,S. Tang,G. Tong, F. Wang, L. Wang,M. Wang, P. Wang,S. Wang, T. Wang,Y. Wang, C. Wei,D. Xi,X. Xia,P. Xie, Y. Xie,W. Xiong, D. Xu,R. Xu,Z. Xu,S. Xue,J. Yan,W. Yan, C. Yang,J. Yang,W. Yang, M. Ye, S. Ye, C. Yu,Z. Yu,C. Yuan,B. Zhang,C. Zhang, D. Zhang,H. Zhang, J. Zhang,L. Zhang,S. Zhang, X. Zhang,Y. Zhang, D. Zhao, H. Zhao,J. Zhao,M. Zhao,P. Zhao, W. Zhao, J. Zheng,L. Zheng,Z. Zheng,G. Zhou,H. Zhou,Li Zhou, X. Zhou, Y. Zhou, Q. Zhu, Y. Zhu,B. Zhuang

Physical review letters（1996）

引用 241|浏览16

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摘要

The BES experiment at the Beijing electron-position collider has observed the xi(2230) signal in pi(+)pi(-), K+K-, (KSKSO)-K-O, and <(p)over bar p> final states with 4.6 sigma, 4.1 sigma, 4.0 sigma, and 3.8 sigma statistical significance, respectively. The new observations of two nonstrange decay modes of xi --> pi(+)pi(-) and <(p)over bar p> are important evidence for the glueball interpretation of the xi(2230).

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Radiative transfer,Physics,Nuclear physics

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