Measurement of the branching fraction of J/ψ→π+π-π0

J. Bai,Y. Ban,J. Bian,X. Cai,J. Chang,H. Chen,J. Chen,Jun Chen,M. Chen,Y. Chen,S. Chi,Y. Chu,X. Cui,H. Dai,Y. Dai,Z. Deng,L. Dong,S. Du,Z. Du,J. Fang,S. Fang,C. Fu,H. Fu,L. Fu,C. Gao,M. Gao,Y. Gao,M. Gong,W. Gong,S. Gu,Y. Guo,Z. Guo,S. Han,F. Harris,J. He,K. He,M. He,X. He,Y. Heng,H. Hu,T. Hu,G. Huang,L. Huang,X. Huang,X. Ji,Q. Jia,C. Jiang,X. Jiang,D. Jin,S. Jin,Y. Jin,Y. Lai,F. Li,G. Li,H. Li,J. Li,Q. Li,R. Li,S. Li,W. Li,X. Li,Y. Liang,H. Liao,C. Liu,Fang Liu,F. Liu,H. Liu,J. Liu,R. Liu,Y. Liu,Z. Liu,G. Lu,F. Lu,J. Lu,C. Luo,X. Luo,F. Ma,J. Ma,L. Ma,X. Ma,Z. Mao,X. Meng,X. Mo,J. Nie,Z. Nie,S. Olsen,H. Peng,N. Qi,C. Qian,H. Qin,J. Qiu,Z. Ren,G. Rong,L. Shan,L. Shang,D. Shen,X. Shen,H. Sheng,F. Shi,X. Shi,L. Song,H. Sun,S. Sun,Y. Sun,Z. Sun,X. Tang,N. Tao,Y. Tian,G. Tong,D. Wang,J. Wang,L. Wang,M. Wang,Meng Wang,P. Wang,S. Wang,W. Wang,Y. Wang,Zhe Wang,Z. Wang,Zheng Wang,Z. Wang,C. Wei,N. Wu,Y. Wu,X. Xia,X. Xie,B. Xin,G. Xu,H. Xu,Y. Xu,S. Xue,M. Yan,W. Yan,F. Yang,H. Yang,J. Yang,S. Yang,Y. Yang,L. Yi,Z. Yi,M. Ye,Y. Ye,C. Yu,G. Yu,C. Yuan,J. Yuan,Y. Yuan,Q. Yue,S. Zang,Y. Zeng,B. Zhang,C. Zhang,D. Zhang,H. Zhang,J. Zhang,L. Zhang,Q. Zhang,S. Zhang,X. Zhang,Yiyun Zhang,Y. Zhang,Z. Zhang,D. Zhao,J. Zhao,P. Zhao,W. Zhao,X. Zhao,Y. Zhao,Z. Zhao,H. Zheng,J. Zheng,L. Zheng,Z. Zheng,X. Zhong,B. Zhou,G. Zhou,L. Zhou,N. Zhou,K. Zhu,Q. Zhu,Yingchun Zhu,Y. Zhu,Z. Zhu,B. Zhuang,B. Zou

PHYSICAL REVIEW D（2004）

Cited 86|Views92

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Abstract

Using 58 million J/psi and 14 million psi(2S) decays obtained by the BES II experiment, the branching fraction of J/psi-->pi(+)pi(-)pi(0) is determined. The result is (2.10+/-0.12)x10(-2), which is significantly higher than previous measurements.

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