Search For The Weak Decay Eta ' -> K-+/-Pi(-/+) And Precise Measurement Of The Branching Fraction B(J/Psi -> Phi Eta ')

Medina Ablikim,Xiaonan Li,Serkant Ali Cetin,G. S. Huang,Dapeng Jin, W. Shan,Kun Zhang, A. Kupsc,Yu Hu,X. M. Li,Kanglin He,Haiyun Chen,X. T. Huang,Mikhail N Achasov,Wolfgang Kuehn K "uhn, Y. Ding,Ling Zhao,Jingzhi Bai,Zhigang Wang,Hongbang Liu,Alaa Dbeyssi,Zhonghua Qin,G. Rong,X. R. Li,Yue Guo,Guangrui Liao,Xiongfei Wang,Jueping Liu,Fengcai Ma,Shenjian Chen,Bo Zheng, C. L. Luo, B. Kloss,Jing Dong,Fabrizio Bianchi,Kai Zhu,L. D. Liu,Shubin Liu,Y. H. Guan,M. H. Ye,V. Santoro, K. Moriya, M. Ripka,Peiliang Wang,Achim Denig, Z. Gao, Ed Thorndike, Fang Liu,Yunpeng Lu,X. S. Jiang,J. Min,Fenfen An,Beijiang Liu,L. Dong,Wenxuan Gong,Igor Boyko,Y. Z. Sun,Zhilong Hou,Evgeny Boger,Zepu Mao,Yifang Wang,Haibo Li,M. Maggiora,H. P. Cheng,Xiqing Hao, Jin Li,Frederick A. Harris,X. Y. Jiang,Yuanning Gao,Shihai Zhu,Qing Gao,H. Xiao,Pengfei Duan,Z.Q. Zhang,Qun OuYang Ouyang,Yong Ban,Dahua Zhang,Shengsen Sun,Xiaoyan Shen,Fengyun Li,M. Ullrich,L. W. Jiang,Xiaoshuai Qin, M. Qi,C. F. Redmer,Xueyao Zhang,Aiqiang Guo, Jie Liu,Guofu Cao,Klaus Peters,B. Zhong,I. B. Nikolaev,J. B. Wei, Huihui Liu,Xurong Chen, Li Zhou,Q. M. Ma, J. H. Zou,Jiajia Zhang, L. Zotti, Q. An,Y.Z. Sun,K. H. Rashid,L. L. Wang,Jianbei Liu, X. He, R. E. Mitchell, A. Yuncu,G. Felici,Jifeng Hu,Z. Ning, S. Spataro, H. W. Liu,Changqing Feng,S. J. Zhao,Gang Chen, Yaqian Wang,Xianglei Zhu,Meng Wang,Georgy Chelkov, A. Amoroso,Dong Wang,Joachim Pettersson, L. H. Wu, S. L. Olsen, Lei Li, A. Hafner, T. Li,Yongxu Yang, C. D. Fu,Lingshu Wang, F. Nerling,Xiaoshen Kang, J. H. Yin,L. L. Ma,Yuanbo Chen,Alexey Zhemchugov,Wenbiao Yan,Shuangshi Fang, A. Sarantsev,yingchun Zhu,S. Nisar,Tord Johansson, X. D. Ruan, M. Kavatsyuk,Alessandro Calcaterra,Adriano Zallo,Libo Guo,Jialun Ping,Jiawen Zhang, K. Liu,Demin Li,Xiaohu Mo,Fei Li,Bingsong Zou,Frank Maas, M. Savrie,X.R. Zhou,Zi-An Zhu, X. L. Li, P. Kiese,Y. F. Liang, I. Garzia,Xiao Tang, X. C. Lou,Jiangchuan Chen,Y. Zhang,H. J. Lu,M. Lara, J. G. Messchendorp,Zhiyong Wang, M. Wolke,K. Zhu,Hong-Hao Zhang, I. Uman,Changzheng Yuan, X. L. Luo,Qingping Ji,X. K. Zhou,Yonghong Yan,Weidong Li,G. M. Huang,Gongxing Sun,Zhenan Liu,Zhiqing Liu,Yajun Mao, Y. G. Xie,Ziyan Deng,Haijun Yang, Y. Zeng, S.Z. Wang,Cristina Morales Morales, Yu Zhang,xinkun Chu,Jingzhi Zhang,Monica Bertani,D. Wang, C. J. Tang,Jianming Bian, W.F. Wang, J. S. Yu,Q. Zhao,Orhan Cakir, F. Feldbauer,Simone Pacetti, L. Q. Qin, Y. T. Gu, H. Peng,Jinfan Chang,Junfeng Sun, A. A. Zafar, Z. J. Xiao,Fu-Hu Liu,V. Prasad,Qingjun Xu,Q. P. Ji,Nikolai Yu Muchnoi,J. G. Lu,Weiguo Li,C. B. Zhang,X. B. Ji, G. Varner,Hongliang Dai,Liang Yan, W. M. Song, P. Larin, Cui Li, X. Y. Song, S. P. Wen,O. B. Kolcu,Haiming Hu,Mingyi Dong,L. Yang,C. L. Liu,Mingxing Luo,Huaimin Liu,Yateng Zhang, W. Gradl,Yong Huang, C. X. Yu,Sen Qian,Yongsheng Zhu,Dexu Lin, Xiao-Rui Lyu, B. X. Yu,O. Albayrak,T. Hussain,Chongyang Leng,Rinaldo Baldini Ferroli,Jiacai Li,Qian Liu,T. Weber,S. Schumann,Michela Greco,Zhihong Wang,Hailong Ma,Jian Fang,R. G. Ping,H. Muramatsu,Dan Bennett,Yangheng Zheng,Y. J. Mo,Tianchi Zhao,P. L. Liu,JianPing Dai, Y. Xia, Cheng Li, X. Y. Gao,Gang Li,Z. Sun, D. H. Wei, M. Kornicer,Jingyi Liu,Jake Bennett,Hao Cai,Qiang Zhao, P. Weidenkaff, Y. B. Liu, P. L. Li, M. Pelizaeus, M. Albrecht,X.B. Ma,Minhao Gu, N. Kalantar-Nayestanaki,N. Qin,Zhibing Li,Ke Wang,Zhenyu Zhang,Cong-Feng Qiao,Yi Fang,Xiaoyan Ma,Guang Zhao,Lei Zhang,B. X. Zhang,I. Tapan,Zhenglei Dou,S. L. Niu,Bingxin Zhang,Lei Xu, M. Destefanis,W. J. Zheng,B. Kopf,Huayi Sheng,M. G. Zhao,Tao Hu,Jingwei Zhao,Ping Wang,Zheng Jiao,Francesca De Mori,Chengping Shen,Yu Lu, Y. Q. Wang, Xunyi Niu,G. F. Xu, L. Fava,Jinfa Qiu,Hesheng Chen, Z. Haddadi,Mei Ye,Jianping Zheng,Y. Nefedov, R. Kliemt,Ronald Poling, Xingyu Zhou, H. Loehner, E. Fioravanti,Jianbin Jiao,W. B. Yan, I. Denysenko,Q. L. Xiu, Ke Li,Yuekun Heng,M. Fritsch,Hongxun Yang,Mary Chen,Ulrich Wiedner,Jian Zhuang,Bin Wang, Yao Zhang,W. L. Yuan,Jingyi Zhao, X. C. Ai, D. Bettoni,Shuxian Du,Jingzhou Zhao, Kang Li, J. S. Lange,Lei Zhao,Yuping Guo,Hongyu Zhang,Christoph Rosner,S. Zhu,Yubin Zhao,Xiaolu Ji, K. Goetzen, D. J. Ambrose, Dmitry Dedovich,S. Marcello,Yuning Zhang,Xiaolin Kang,Chi Zhang,Xiang Zhou,Xinping Xu,Jingqing Zhang, D. Xiao,Zhengguo Zhao,Ming Shao,Jinshu Huang,Y.Z. Yang,Zhi Wu,Xiang Liu,C. Hu, T. Luo,Z. T. Sun, C. Dong,X. R. Chen,Yongfei Liang, Zheng Wang,Hao Liang,Xiao Cai, M. Tiemens, Kai Liu,Shan Jin,Ye Yuan, T. Held,Jianyong Zhang,S. Han, L. G. Xia,X. Fang,K. Schoenning,Jielei Zhang,Peixun Shen, Zhenghao Zhang,R. A. Briere,B. C. Ke,Tian Ma, G. Cibinetto, Feng Liu, S. Sosio, P. Patteri, A. Julin

PHYSICAL REVIEW D（2016）

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摘要

We present the first search for the rare decay of eta' into K-+/- pi(-/+) in J/psi -> phi eta', using a sample of 1.3 x 10(9) J/psi events collected with the BESIII detector. No significant signal is observed, and the upper limit at the 90% confidence level for the ratio B(eta' -> K-+/- pi(-/+))/B(eta' -> gamma pi(+/-) pi(-/+)) is determined to be 1.3 x 10(-4). In addition, we report the measurement of the branching fraction of J/psi -> phi eta' to be [5.10 +/- 0.03(stat) +/- 0.32(syst)] x 10(-4), which agrees with previous results from BESII.

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