Measurements of the Observed Cross Sections for E+e−→ Exclusive Light Hadrons Containing KS0

M. Ablikim,J. Z. Bai,Y. Bai,Y. Ban,X. Cai, H.F. Chen,H.S. Chen,H.X. Chen,J.C. Chen,Jin Chen,X.D. Chen,Y.B. Chen,Y. P. Chu,Y. S. Dai, Zhi-Yong 志勇 Deng 邓,S. X. Du,J. Fang,C. D. Fu,C. S. Gao,Y. Gao,S. Gu,Y. T. Gu,Y.N. Guo,K. L. He,Miao He,Y. K. Heng,Junwei Hou,H. M. Hu,T. Hu,G. S. Huang,X. T. Huang,Y. Huang,X. B. Ji,X. S. Jiang,J. B. Jiao,D. P. Jin,S. Jin,Y. F. Lai,H.B. Li,J. Li,Lei 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,Fang Liu,Feng Liu,H.H. Liu,H.M. Liu,J.B. Liu,J.P. Liu,H.B. Liu,J. Liu,R.G. Liu, S. Liu,Z.A. Liu,G. R. Lu,J. G. Lu,C. L. Luo,F.C. Ma, Hailong Ma, L. L., Qiang Ma,M. Q. A. Malik,Z. P. Mao,X. H. Mo, J. Nie,Rong-Gang Ping,N. D. Qi, Hong‐Bo Qin,J. F. Qiu,G. Rong,X. D. Ruan,L. Y. Shan,L. Shang,D. L. Shen,X. Y. Shen,H. Y. Sheng,Hao Sun,S. S. Sun,Y. Z. Sun, Zhi‐Wei Sun,X. Tang, J. Tian,G. L. Tong,X. Wan,L. Wang,L.L. Wang,L.S. Wang,P. Wang,P.L. Wang,Wei Wang, Yifei Wang,Z. Wang,Z.Y. Wang, Wei Chen,D. H. Wei,Y. Weng,Nengyou Wu,X. M. Xia,X.X. Xie,G. F. Xu,X. P. Xu,Yue Xu, Mengshi Yan, H. X. Yang, Mao-Zhi Yang, Yueling Yang,M.H. Ye,Y.X. Ye,C. X. Yu,G. Yu,C. Z. Yuan,Y. Yuan, S. L. Zang,Y. Zeng,B.X. Zhang, Bingzhen 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, Dongxu Zhao,J. W. Zhao,M. G. Zhao,P.P. Zhao,B. Zheng,Han-Qing Zheng,J. P. Zheng,Z. P. Zheng,B. Zhong,Zhou Li,K. Zhu,Q. M. Zhu,X. Zhu,Y. C. Zhu,Y.S. Zhu,Z. A. Zhu,Z.L. Zhu,B. A. Zhuang,Bingsuo Zou

Physics letters B（2008）

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摘要

By analyzing the data sets of 17.3 pb−1 taken at s=3.773GeV and of 6.5 pb−1 taken at s=3.650GeV with the BES-II detector at the BEPC collider, we measure the observed cross sections for the exclusive light hadron final states of KS0K−π+, KS0K−π+π0, KS0K−π+π+π−, KS0K−π+π+π−π0, KS0K−π+π+π+π−π− and KS0K−π+π0π0 produced in e+e− annihilation at the two energy points. We set the upper limits on the observed cross sections and the branching fractions for ψ(3770) decay to these final states at 90% C.L.

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