Measurement of the Born cross section for e+e−→ηhc at center-of-mass energies between 4.1 and 4.6 GeV

P. Adlarson,O. Afedulidis,X. Ai,R. Aliberti,A. Amoroso,Q. An,Yunfei Bai,O. Bakina,I. Balossino,Y. Ban,H. Bao,V. Batozskaya,K. Begzsuren,N. Berger,M. Berłowski,M. Bertani,D. Bettoni,F. Bianchi,E. Bianco,A. Bortone,I. Boyko,R. Briere,A. Brueggemann,Hao Cai,X. Cai,A. Calcaterra,G. Cao,N. Cao,S. Cetin,J. Chang,G. R.,G. Chelkov,C. Chen,Chao Chen,G. Chen,H. Chen,M. Chen,S. Chen,T. Chen,X. Chen,Y. Chen,Z. Chen,S. Choi,G. Cibinetto,F. Cossio,J. Cui,H. Dai,J. Dai,A. Dbeyssi,R. Boer,D. Dedovich,C. Deng,Z. Deng,A. Denig,I. Denysenko,M. Destefanis,F. Mori,B. Ding,Xiaxin Ding,Y. Ding,Ye Ding,J. Dong,L. Dong,M. Dong,X. Dong,M. Du,S. Du,Z. Duan,P. Egorov,Yanhui Fan,J. Fang,S. Fang,W. Fang,Y. Fang,R. Farinelli,L. Fava,F. Feldbauer,G. Felici,C. Feng,Jianghe Feng,Yutong Feng,M. Fritsch,C. Fu,J. Fu,Yu Fu,H. Gao,X. Gao,Y. Gao,Yang Gao,S. Garbolino,I. Garzia,L. Ge,P. Ge,Zhiwei Ge,C. Geng,E. Gersabeck,A. Gilman,K. Goetzen,L. Gong,W. Gong,W. Gradl,S. Gramigna,M. Greco,M. Gu,Y. Gu,C. Guan,Z. Guan,A. Guo,L. Guo,M. Guo,R. Guo,Y. Guo,A. Guskov,J. Gutiérrez,K. Han,T. Han,X. Hao,F. Harris,K. He,F. Heinsius,C. Heinz,Y. Heng,C. Herold,T. Holtmann,P. Hong,G. Hou,X. Hou,Y. Hou,Z. Hou,B. Hu,H. Hu,J. Hu,S. Hu,T. Hu,Y. Hu,G. Huang,K. Huang,L. Huang,X. Huang,Y. Huang,T. Hussain,F. Hölzken,N. Hüsken,N. Wiesche,J. Jackson,S. Janchiv,J. Jeong,Q. Ji,W. Ji,X. Ji,Y. Ji,J. Jia,Z. Jiao,Da‐Yong Jiang,H. Jiang,P. Jiang,S. Jiang,T. Jiang,X. Jiang,Yazhen Jiang,J. Jiao,S. Jin,Yi Jin,M. Jing,X. Jing,T. Johansson,S. Kabana,N. Kalantar-Nayestanaki,X. Kang,M. Kavatsyuk,B. Ke,V. Khachatryan,A. Khoukaz,R. Kiuchi,O. Kolcu,B. Kopf,M. Kuessner,X. Kui,L. Kumar,A. Kupsc,W. Kühn,J. Lane,P. Larin,L. Lavezzi,T. Lei,Z. Lei,M. Lellmann,T. Lenz,C. Li,Cheng Li,D. Li,F. Li,G. Li,H. Li,J. Li,Ke Li,L. Li,Lei Li,M. Li,P. Li,Q. Li,R. Li,S. Li,Tong Li,W. Li,X. Li,Xiaoyu Li,Y. Li,Z. Li,Liang Cheng,Han Liang,H. Liang,Y. Liang,G. Liao,L. Liao,J. Libby,A. Limphirat,C. Lin,D. Lin,T. Lin,B. Liu,C. Liu,F. Liu,Fang Liu,Feng Liu,G. Liu,H. Liu,Huanhuan Liu,Huihui Liu,Jianbei Liu,J. Liu,K. Liu,Ke Liu,Lei Liu,L. Liu,Lu Liu,M. Liu,P. Liu,Q. Liu,S. Liu,T. Liu,Wenjin Liu,W. Liu,Xin Liu,X. Liu,Y. Liu,Yu Liu,Z. Liu,X. Lou,F. Lu,H. Lu,J. Lu,X. Lu,Y. Lu,Z. Lu,C. Luo,M. Luo,T. Luo,X. Luo,X. Lyu,Y. Lyu,F. C.,H. Ma,H. L.,J. L.,L.L. Ma,M. M.,Q. M.,R. Q.,T. Ma,X. T.,X. Y.,Y. Ma,Y. Mao,F. Maas,M. Maggiora,S. Malde,Z. Mao,S. Marcello,Z. Meng,J. Messchendorp,G. Mezzadri,H. Miao,T. Min,R. Mitchell,X. Mo,B. Moses,N. Muchnoi,J. Muskalla,Y. Nefedov,F. Nerling,L. Nie,I. Nikolaev,Z. Ning,S. Nisar,Q. Niu,W. Niu,Y. Niu,S. Olsen,Q. Ouyang,S. Pacetti,X. Pan,Y. Pan,A. Pathak,P. Patteri,Y. Pei,M. Pelizaeus,H. Peng,Y. Peng,K. Peters,J. Ping,R. Ping,S. Plura,V. Prasad,F. Qi,H. Qi,M. Qi,T. Qi,Si-Jin Qian,W. Qian,C. Qiao,X. Qiao,J. Qin,L. Qin,X. Qin,Z. Qin,J. Qiu,Z. Qu,C. Redmer,K. Ren,A. Rivetti,M. Rolo,G. Rong,Ch. Rosner,S. Ruan,N. Salone,A. Sarantsev,Y. Schelhaas,K. Schoenning,M. Scodeggio,K. Shan,W. Shan,X. Shan,Z. Shang,J. Shangguan,L. Shao,M. Shao,C. Shen,H. Shen,W. Shen,X. Shen,B. Shi,H. Shi,J. Shi,Q. Shi,S. Shi,X. Shi,J. Song,T. Song,W. Song,Y. Song,S. Sosio,S. Spataro,F. Stieler,Yanjing Su,G. Sun,Hao Sun,H. Sun,J. Sun,K. Sun,L. Sun,S. Sun,T. Sun,W. Sun,Yao Sun,Y. Sun,Ziqi Sun,Z. Sun,C. Tang,G. Tang,Jiahui Tang,M. Tang,Y. Tang,L. Tao,Q. Tao,M. Tat,J. Teng,V. Thoren,W. Tian,Yingjie Tian,Z. Tian,I. Uman,Yu Wan,Shijie Wang,B. Wang,Bo Wang,D. Wang,F. Wang,H. Wang,J. Wang,K. Wang,L. Wang,M. Wang,Meng Wang,N. Wang,S. Wang,T. Wang,W. Wang,X. Wang,Xin-Nian Wang,Yuhua Wang,Y. Wang,Yilin Wang,Yaqian Wang,Z. Wang,D. Wei,F. Weidner,S. Wen,Y. Wen,U. Wiedner,G. Wilkinson,M. Wolke,L. Wollenberg,C. Wu,J. Wu,L. Wu,X. Wu,Y. Wu,Z. Wu,Liang Xia,X. Xian,B. Xiang,T. Xiang,D. Xiao,G. Xiao,S. Xiao,Y. Xiao,Z. Xiao,Changsheng Xie,X. Xie,Y. Xie,Ya-Ping Xie,Zhipeng Xie,T. Xing,Chun‐Fang Xu,C. Xu,G. Xu,Heng Xu,M. Xu,Q. Xu,W. Xu,X. Xu,Y. Xu,Zhipeng Xu,Z. Xu,F. Yan,L. Yan,W. Yan,X. Yan,Haijun Yang,H. Yang,Tao Yang,Y. Yang,Yifan Yang,Zhengwen Yang,Z. Yao,M. Ye,J. Yin,Z. You,B. Yu,C. Yu,Gang Yu,J. Yu,Tianbao Yu,X. Yu,Y. Yu,C. Yuan,J. Yuan,Ling Yuan,S. Yuan,Y. Yuan,Z. Yuan,C. Yue,A. Zafar,F. Zeng,S. Zeng,X. Zeng,Y. Zeng,Yu‐Jia Zeng,X. Zhai,Yuling Zhai,Y. Zhan,A. Zhang,B. Zhang,D. Zhang,G. Zhang,H. Zhang,Haizhen Zhang,Huairuo Zhang,J. Zhang,Jianping Zhang,Jianyu Zhang,L. Zhang,Lei Zhang,P. Zhang,Q. Zhang,R. Zhang,Shuihan Zhang,Shulei Zhang,X. Zhang,Yi Zhang,Y. Zhang,Yan Zhang,Yao Zhang,Z. Zhang,Gang Zhao,J. Zhao,Lei Zhao,Ling Zhao,M. Zhao,N. Zhao,R. Zhao,S. Zhao,Y. Zhao,Z. Zhao,A. Zhemchugov,B. Zheng,J. Zheng,W. Zheng,Y. Zheng,B. Zhong,X. Zhong,H. Zhou,Jianying Zhou,L. Zhou,S. Zhou,X. Zhou,Yu Zhou,J. Zhu,K. Zhu,Kejun Zhu,Lei Zhu,L. Zhu,S. Zhu,Shanfeng Zhu,T. Zhu,W. Zhu,Y. Zhu,Z. Zhu,J. Zou,J. Zu,Xiaocong Ai,Ya Bai,Chunqin Deng,Yong Ding,Jianmeng Dong