Study of a0(980)--f0(980) mixing

Medina Ablikim,Mikhail N. Achasov,L. An,Qi AN,Zhenghua An,JingZhi Bai,Rinaldo Baldini,Yong Ban,Julia K. Becker,Niklaus Berger,Monica B. Bertani,Jianming Bian,I. R. Boyko,Roy A. Briere,Vladimir V. Bytev,Xiao Cai,Guofu Cao,XueXiang Cao,Jinfan Chang,Georgy A. Chelkov,Gang Chen,Hesheng Chen,Jin Chen,Mali Chen,S. J. Chen,Yang Chen,Yuanbo Chen,H. P. Cheng,Yuanping Chu,Daniel P. Cronin-Hennessy,Hongliang Dai,Jianping Dai,Dmitri V. Dedovich,Ziyan Deng,I. Denysenko,M. F. Destefanis,Yong Ding,LiaoYuan Dong,Mingyi Dong,ShuXian Du,MaiYing Duan,RuiRui Fan,Jian Fang,Shuangshi Fang,Changqing Feng,ChengDong Fu,Jie Fu,Ya Gao,Chao Geng,K. Goetzen,Wenxuan Gong,Michela Greco,S. D. Grishin,M. H. Gu,YunTing Gu,Ying Guan,Aiqiang Guo,Libo Guo,Yan Guo,X. Q. Hao,Frederick A. Harris,Kangling He,Mao He,Zhenya He,Yuekun Heng,Zhilong Hou,Haiming Hu,J. F. Hu,Tao Hu,Bin Huang,Guangming Huang,Jinshu Huang,Xu Huang,Yan Huang,Talib A. Hussain,Chen Ji,Quan Ji,XiaoBin Ji,Xiaolu Ji,LuKui Jia,Lei Jiang,XiaoShan Jiang,Jun Jiao,Zheng Jiao,Dapeng Jin,Shan Jin,F. F. Jing,M. O. Kavatsyuk,Sachio P. Komamiya,Wolfgang Kuehn,Jens Sören Lange,John Kon Chong Leung, Cheng Li, Cui Li,Dan Li,Fang Li,Gang Li,Haibo Li,Jiacai Li, Lei Li,N. B. Li,Qiuju Li,Wei Li,Weiguo Li,Xin Li,Xiaonan Li,Xueqian Li,Xiurong Li,Zhibing Li,Haojun Liang, Y. F. Liang,Yutie Liang,G. R. Liao,Xiaotao Liao,Biao Liu,Beijiang Liu, C. L. Liu,Chunxiu Liu, Cheng Liu,Fuhu Liu, Fang Liu, Feng Liu,Gongchun Liu,Hongwei Liu,Hongbang Liu,Hu Liu,H. W. Liu,Jia Liu,Kun Liu,Kuiyong Liu,Qian Liu,S. B. Liu,Xiang Liu,Xiaohai Liu, Yong Liü,Yang Liu,Yong Liu,Zhen'An Liu,Zhiqing Liu,Herbert Loehner,GongRu Lu,HaiJiang Lü,JunGuang Lü,Qiwen Lü,X. R. Lu,Yunpeng Lu,Chenglin Luo,Man Luo,Tao Luo,XiaoLan Luo,Chao Ma,Fengcai Ma,HaiLong Ma,Qiang Ma,T. Ma,Xiang Ma,XiaoYan Ma,Marco Maggiora,Q. A. Malik,Huishun Mao,Yajun Mao,Zepu Mao,Johan G M Messchendorp,Jian Min,Ryan E. Mitchell,XiaoHu Mo,Nikolay Yu Muchnoi,Yu A. Nefedov,Zhe Ning,Stephen Lars Olsen,Qun Ouyang,Simone P. Pacetti,M. Pelizaeus,Klaus J. Peters,Jialun Ping,Ronggang Ping,Ronald A. Poling,Chun Shing Jason Pun,Ming Qi,Sen Qian,Congfeng Qiao,Xiaoshuai Qin,Jing Qiu,K. H. Rashid,Gang Rong,XiangDong Ruan,Andrey V. Sarantsev,J. Schulze,Shao Ming,Chengping Shen,Xiaoyan Shen,Huayi Sheng,Matthew R. Shepherd,X. Y. Song,S. Sonoda,Stefano Spataro,Björn Spruck,D. H. Sun,Gongxing Sun,Jinfeng Sun,Shuaishuai Sun,XiaoDong Sun,YongJie Sun,Yi Sun,ZhiJia Sun,Zhe Sun,Changjian Tang,Xiaowei Tang,Xingfu Tang,HaoLai Tian,Derrick Toth,Gary S. Varner,Xiaofeng Wan,Bing Wang,Kexiang Wang,LiangLiang Wang,Lin Wang,Meng Wang,Ping Wang,Peilin Wang,Qun Wang,Shiguang Wang,Xiaolian Wang,Yandong Wang,Yifang Wang,Yongqiang Wang,Zhe Wang,Zhigang Wang, Zheng Wang,DaiHui Wei,Shuopin Wen,Ulrich Wiedner,LingHui Wu,Ning Wu,Wei Wu,Ziyu Wu,Zhenjun Xiao,Yi Xie,Guang Xu,Guangming Xu,Hao Xu,Ye Xu,Zhangrun Xu,Zizong Xu,Zhen Xue,Litao Yan,Wang Yan,Yonghong Yan,HongXun Yang,Min Yang,Tao Yang,Yadong Yang,Yongxu Yang,Mei Ye,Minghan Ye,Boxiang Yu,Cao Yu,Lei Yu,Chao Yuan,W. L. Yuan,Ye Yuan,Abrar Ahmed Zafar,Adriano Z. Zallo,Yun Zeng,BingXin Zhang,Bin Zhang,Changchun Zhang,Dehong Zhang,Hui Zhang,Hongyu Zhang,Jian Zhang,Jiawen Zhang,Jing Zhang,Liang Zhang,S. H. Zhang,T. R. Zhang,Xuan Zhang,Xueyao Zhang,Yi Zhang, Ying Zhang,Ziping Zhang,Zhenyu Zhang,Gongbo Zhao,Hui Zhao,Jiawei Zhao,Jingwei Zhao,Lei Zhao,Ling Zhao,Minggang Zhao,Qiang Zhao,Shujun Zhao,Tianchi Zhao,Xin Zhao,Yubin Zhao,Zhi Zhao,Zhongliang Zhao,Alexey S. Zhemchugov,B. Zheng,Jian Zheng, Yong Zheng,Zhi Zheng,Bin Zhong,J. Zhong,Liqiang Zhong,Lijuan Zhou, Xingjang Zhou,Xin Zhou, C. Zhu,KeJun Zhu,Kai Zhu,Shihai Zhu,Xianglei Zhu,XiongWei Zhu,YongSheng Zhu,Zian Zhu,Jiejia Zhuang,Bingsong Zou,Jiaheng Zou,Jiaxu Zuo,Peter Zweber

PHYSICAL REVIEW D（2011）

引用 90|浏览162

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摘要

Using samples of 2.25 X 10(8) J/psi events and 1.06 X 108 psi' events collected with the BES III detector, we study the f(0)(980) -> a(0)(0)(980) and a(0)(0)(980) -> f(0)(980) transitions in the processes J/psi -> phi f(0)(980) -> phi a(0)(0)(980) and chi(c1) -> pi(0)a(0)(0)(980) -> pi(0)f(0)(980), respectively. Evidence for f(0)(980) -> a(0)(0)(980) is found with a significance of 3.4 sigma, while in the case of a(0)(0)(980) -> f(0)(980) transition, the significance is 1.9 sigma. Measurements and upper limits of both branching ratios and mixing intensities are determined.

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