Q. An64,50, X. H. Bai58, Y. Bai49, O. Bakina29, R. Baldini Ferroli23a, I. Balossino24a, Y. Ban39,g, V. Batozskaya1,37, D. Becker28, K. Begzsuren26, N. Berger28, M. Bertani23a, D. Bettoni24a, F. Bianchi67a,67c, J. Bloms61, A. Bortone67a,67c, I. Boyko29, R. A. Briere5, H. Cai69, X. Cai1,50, A. Calcaterra23a, G. F. Cao1,55, N. Cao1,55, S. A. Cetin54a, J. F. Chang1,50, W. L. Chang1,55, G. Chelkov29,a, C. Chen36, G. Chen1, H. S. Chen1,55, M. L. Chen1,50, S. J. Chen35, T. Chen1, X. R. Chen25, X. T. Chen1, Y. B. Chen1,50, Z. J. Chen20,h, W. S. Cheng67c, G. Cibinetto24a, F. Cossio67c, J. J. Cui42, X. F. Cui36, H. L. Dai1,50, J. P. Dai71, X. C. Dai1,55, A. Dbeyssi14, R. E. de Boer4, D. Dedovich29, Z. Y. Deng1, A. Denig28, I. Denysenko29, M. Destefanis67a,67c, F. De Mori67a,67c, Y. Ding33, C. Dong36, J. Dong1,50, L. Y. Dong1,55, M. Y. Dong1,50,55, X. Dong69, S. X. Du73, P. Egorov29,a, Y. L. Fan69, J. Fang1,50, S. S. Fang1,55, Y. Fang1, R. Farinelli24a, L. Fava67b,67c, F. Feldbauer4, G. Felici23a, C. Q. Feng64,50, J. H. Feng51, M. Fritsch4, C. D. Fu1, Y. Gao39,g, Y. Gao64,50, I. Garzia24a,24b, P. T. Ge69, C. Geng51, E. M. Gersabeck59, A. Gilman62, K. Goetzen11, L. Gong33, W. X. Gong1,50, W. Gradl28, M. Greco67a,67c, M. H. Gu1,50, Y. T. Gu74, C. Y. Guan1,55, A. Q. Guo25, A. Q. Guo22, L. B. Guo34, R. P. Guo41, Y. P. Guo9,f, A. Guskov29,a, T. T. Han42, W. Y. Han32, X. Q. Hao15, F. A. Harris57, K. K. He47, K. L. He1,55, F. H. Heinsius4, C. H. Heinz28, Y. K. Heng1,50,55, C. Herold52, M. Himmelreich11,d, T. Holtmann4, G. Y. Hou1,55, Y. R. Hou55, Z. L. Hou1, H. M. Hu1,55, J. F. Hu48,i, T. Hu1,50,55, Y. Hu1, G. S. Huang64,50, L. Q. Huang65, X. T. Huang42, Y. P. Huang1, Z. Huang39,g, T. Hussain66, N. Hüsken22,28, W. Ikegami Andersson68, W. Imoehl22, M. Irshad64,50, S. Jaeger4, S. Janchiv26, Q. Ji1, Q. P. Ji15, X. B. Ji1,55, X. L. Ji1,50, Y. Y. Ji42, H. B. Jiang42, S. S. Jiang32, X. S. Jiang1,50,55, J. B. Jiao42, Z. Jiao18, S. Jin35, Y. Jin58, M. Q. Jing1,55, T. Johansson68, N. Kalantar-Nayestanaki56, X. S. Kang33, R. Kappert56, M. Kavatsyuk56, B. C. Ke73, I. K. Keshk4, A. Khoukaz61, P. Kiese28, R. Kiuchi1, R. Kliemt11, L. Koch30, O. B. Kolcu54a, B. Kopf4, M. Kuemmel4, M. Kuessner4, A. Kupsc37,68, M. G. Kurth1,55, W. Kühn30, J. J. Lane59, J. S. Lange30, P. Larin14, A. Lavania21, L. Lavezzi67a,67c, Z. H. Lei64,50, H. Leithoff28, M. Lellmann28, T. Lenz28, C. Li40, C. Li36, C. H. Li32, Cheng Li64,50, D. M. Li73, F. Li1,50, G. Li1, H. Li64,50, H. Li44, H. B. Li1,55, H. J. Li15, H. N. Li48,i, J. L. Li42, J. Q. Li4, J. S. Li51, Ke Li1, L. J. Li1, L. K. Li1, Lei Li3, M. H. Li36, P. R. Li31,j,k, S. Y. Li53, T. Li42, W. D. Li1,55, W. G. Li1, X. H. Li64,50, X. L. Li42, Xiaoyu Li1,55, Z. Y. Li51, H. Liang64,50, H. Liang27, H. Liang1,55, Y. F. Liang46, Y. T. Liang25, G. R. Liao12, L. Z. Liao1,55, J. Libby21, A. Limphirat52, C. X. Lin51, D. X. Lin25, T. Lin1, B. J. Liu1, C. X. Liu1, D. Liu14,64, F. H. Liu45, Fang Liu1, Feng Liu6, G. M. Liu48,i, H. B. Liu74, H. M. Liu1,55, Huanhuan Liu1, Huihui Liu16, J. B. Liu64,50, J. L. Liu65, J. Y. Liu1,55, K. Liu1, K. Y. Liu33, Ke Liu17, L. Liu64,50, M. H. Liu9,f, P. L. Liu1, Q. Liu55, S. B. Liu64,50, T. Liu1,55, T. Liu9,f, W. M. Liu64,50, X. Liu31,j,k, Y. Liu31,j,k, Y. B. Liu36, Z. A. Liu1,50,55, Z. Q. Liu42, X. C. Lou1,50,55, F. X. Lu51, H. J. Lu18, J. D. Lu1,55, J. G. Lu1,50, X. L. Lu1, Y. Lu1, Y. P. Lu1,50, Z. H. Lu1, C. L. Luo34, M. X. Luo72, T. Luo9,f, X. L. Luo1,50, X. R. Lyu55, Y. F. Lyu36, F. C. Ma33, H. L. Ma1, L. L. Ma42, M. M. Ma1,55, Q. M. Ma1, R. Q. Ma1,55, R. T. Ma55, X. X. Ma1,55, X. Y. Ma1,50, Y. Ma39,g, F. E. Maas14, M. Maggiora67a,67c, S. Maldaner4, S. Malde62, Q. A. Malik66, A. Mangoni23b, Y. J. Mao39,g, Z. P. Mao1, S. Marcello67a,67c, Z. X. Meng58, J. G. Messchendorp56, G. Mezzadri24a, H. Miao1, T. J. Min35, R. E. Mitchell22, X. H. Mo1,50,55, N. Yu. Muchnoi10,b, H. Muramatsu60, S. Nakhoul11,d, Y. Nefedov29, F. Nerling11,d, I. B. Nikolaev10,b, Z. Ning1,50, S. Nisar8,l, S. L. Olsen55, Q. Ouyang1,50,55, S. Pacetti23b,23c, X. Pan9,f, Y. Pan59, A. Pathak1, A. Pathak27, P. Patteri23a, M. Pelizaeus4, H. P. Peng64,50, K. Peters11,d, J. Pettersson68, J. L. Ping34, R. G. Ping1,55, S. Plura28, S. Pogodin29, R. Poling60, V. Prasad64,50, H. Qi64,50, H. R. Qi53, M. Qi35, T. Y. Qi9,f, S. Qian1,50, W. B. Qian55, Z. Qian51, C. F. Qiao55, J. J. Qin65, L. Q. Qin12, X. P. Qin9,f, X. S. Qin42, Z. H. Qin1,50, J. F. Qiu1, S. Q. Qu36, K. H. Rashid66, K. Ravindran21, C. F. Redmer28, K. J. Ren32, A. Rivetti67c, V. Rodin56, M. Rolo67c, G. Rong1,55, Ch. Rosner14, M. Rump61, H. S. Sang64, A. Sarantsev29,c, Y. Schelhaas28, C. Schnier4, K. Schoenning68, M. Scodeggio24a,24b, W. Shan19, X. Y. Shan64,50, J. F. Shangguan47, L. G. Shao1,55, M. Shao64,50, C. P. Shen9,f, H. F. Shen1,55, X. Y. Shen1,55, B.-A. Shi55, H. C. Shi64,50, R. S. Shi1,55, X. Shi1,50, X. D. Shi64,50, J. J. Song15, W. M. Song27,1, Y. X. Song39,g, S. Sosio67a,67c, S. Spataro67a,67c, F. Stieler28, K. X. Su69, P. P. Su47, Y.-J. Su55, G. X. Sun1, H. K. Sun1, J. F. Sun15, L. Sun69, S. S. Sun1,55, T. Sun1,55, W. Y. Sun27, X. Sun20,h, Y. J. Sun64,50, Y. Z. Sun1, Z. T. Sun42, Y. H. Tan69, Y. X. Tan64,50, C. J. Tang46, G. Y. Tang1, J. Tang51, Q. T. Tao20,h, J. X. Teng64,50, V. Thoren68, W. H. Tian44, Y. T. Tian25, I. Uman54b, B. Wang1, D. Y. Wang39,g, H. J. Wang31,j,k, H. P. Wang1,55, K. Wang1,50, L. L. Wang1, M. Wang42, M. Z. Wang39,g, Meng Wang1,55, S. Wang9,f, T. J. Wang36, W. Wang51, W. H. Wang69, W. P. Wang64,50, X. Wang39,g, X. F. Wang31,j,k, X. L. Wang9,f, Y. Wang51, Y. D. Wang38, Y. F. Wang1,50,55, Y. Q. Wang1, Y. Y. Wang31,j,k, Z. Wang1,50, Z. Y. Wang1, Ziyi Wang55, Zongyuan Wang1,55, D. H. Wei12, F. Weidner61, S. P. Wen1, D. J. White59, U. Wiedner4, G. Wilkinson62, M. Wolke68, L. Wollenberg4, J. F. Wu1,55, L. H. Wu1, L. J. Wu1,55, X. Wu9,f, X. H. Wu27, Z. Wu1,50, L. Xia64,50, T. Xiang39,g, H. Xiao9,f, S. Y. Xiao1, Z. J. Xiao34, X. H. Xie39,g, Y. G. Xie1,50, Y. H. Xie6, T. Y. Xing1,55, C. F. Xu1, C. J. Xu51, G. F. Xu1, Q. J. Xu13, W. Xu1,55, X. P. Xu47, Y. C. Xu55, F. Yan9,f, L. Yan9,f, W. B. Yan64,50, W. C. Yan73, H. J. Yang43,e, H. X. Yang1, L. Yang44, S. L. Yang55, Y. X. Yang1,55, Y. X. Yang12, Yifan Yang1,55, Zhi Yang25, M. Ye1,50, M. H. Ye7, J. H. Yin1, Z. Y. You51, B. X. Yu1,50,55, C. X. Yu36, G. Yu1,55, J. S. Yu20,h, T. Yu65, C. Z. Yuan1,55, L. Yuan2, S. C. Yuan1, Y. Yuan1, Z. Y. Yuan51, C. X. Yue32, A. A. Zafar66, X. Zeng6, Y. Zeng20,h, A. Q. Zhang1, B. L. Zhang1, B. X. Zhang1, G. Y. Zhang15, H. Zhang64, H. H. Zhang27, H. H. Zhang51, H. Y. Zhang1,50, J. L. Zhang70, J. Q. Zhang34, J. W. Zhang1,50,55, J. Y. Zhang1, J. Z. Zhang1,55, Jianyu Zhang1,55, Jiawei Zhang1,55, L. M. Zhang53, L. Q. Zhang51, Lei Zhang35, P. Zhang1, Shulei Zhang20,h, X. D. Zhang38, X. M. Zhang1, X. Y. Zhang47, X. Y. Zhang42, Y. Zhang62, Y. T. Zhang73, Y. H. Zhang1,50, Yan Zhang64,50, Yao Zhang1, Z. H. Zhang1, Z. Y. Zhang36, Z. Y. Zhang69, G. Zhao1, J. Zhao32, J. Y. Zhao1,55, J. Z. Zhao1,50, Lei Zhao64,50, Ling Zhao1, M. G. Zhao36, Q. Zhao1, S. J. Zhao73, Y. B. Zhao1,50, Y. X. Zhao25, Z. G. Zhao64,50, A. Zhemchugov29,a, B. Zheng65, J. P. Zheng1,50, Y. H. Zheng55, B. Zhong34, C. Zhong65, L. P. Zhou1,55, Q. Zhou1,55, X. Zhou69, X. K. Zhou55, X. R. Zhou64,50, X. Y. Zhou32, A. N. Zhu1,55, J. Zhu36, K. Zhu1, K. J. Zhu1,50,55, S. H. Zhu63, T. J. Zhu70, W. J. Zhu36, W. J. Zhu9,f, Y. C. Zhu64,50, Z. A. Zhu1,55, B. S. Zou1, and J. H. Zou1 (BESIII Collaboration)
- 1Institute of High Energy Physics, Beijing 100049, People’s Republic of China
- 2Beihang University, Beijing 100191, People’s Republic of China
- 3Beijing Institute of Petrochemical Technology, Beijing 102617, People’s Republic of China
- 4Bochum Ruhr-University, D-44780 Bochum, Germany
- 5Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
- 6Central China Normal University, Wuhan 430079, People’s Republic of China
- 7China Center of Advanced Science and Technology, Beijing 100190, People’s Republic of China
- 8COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, 54000 Lahore, Pakistan
- 9Fudan University, Shanghai 200443, People’s Republic of China
- 10G.I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia
- 11GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany
- 12Guangxi Normal University, Guilin 541004, People’s Republic of China
- 13Hangzhou Normal University, Hangzhou 310036, People’s Republic of China
- 14Helmholtz Institute Mainz, Staudinger Weg 18, D-55099 Mainz, Germany
- 15Henan Normal University, Xinxiang 453007, People’s Republic of China
- 16Henan University of Science and Technology, Luoyang 471003, People’s Republic of China
- 17Henan University of Technology, Zhengzhou 450001, People’s Republic of China
- 18Huangshan College, Huangshan 245000, People’s Republic of China
- 19Hunan Normal University, Changsha 410081, People’s Republic of China
- 20Hunan University, Changsha 410082, People’s Republic of China
- 21Indian Institute of Technology Madras, Chennai 600036, India
- 22Indiana University, Bloomington, Indiana 47405, USA
- 23aINFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
- 23bINFN Sezione di Perugia, I-06100 Perugia, Italy
- 23cUniversity of Perugia, I-06100 Perugia, Italy
- 24aINFN Sezione di Ferrara, I-44122 Ferrara, Italy
- 24bUniversity of Ferrara, I-44122 Ferrara, Italy
- 25Institute of Modern Physics, Lanzhou 730000, People’s Republic of China
- 26Institute of Physics and Technology, Peace Ave. 54B, Ulaanbaatar 13330, Mongolia
- 27Jilin University, Changchun 130012, People’s Republic of China
- 28Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany
- 29Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia
- 30Justus-Liebig-Universitaet Giessen, II. Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany
- 31Lanzhou University, Lanzhou 730000, People’s Republic of China
- 32Liaoning Normal University, Dalian 116029, People’s Republic of China
- 33Liaoning University, Shenyang 110036, People’s Republic of China
- 34Nanjing Normal University, Nanjing 210023, People’s Republic of China
- 35Nanjing University, Nanjing 210093, People’s Republic of China
- 36Nankai University, Tianjin 300071, People’s Republic of China
- 37National Centre for Nuclear Research, Warsaw 02-093, Poland
- 38North China Electric Power University, Beijing 102206, People’s Republic of China
- 39Peking University, Beijing 100871, People’s Republic of China
- 40Qufu Normal University, Qufu 273165, People’s Republic of China
- 41Shandong Normal University, Jinan 250014, People’s Republic of China
- 42Shandong University, Jinan 250100, People’s Republic of China
- 43Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China
- 44Shanxi Normal University, Linfen 041004, People’s Republic of China
- 45Shanxi University, Taiyuan 030006, People’s Republic of China
- 46Sichuan University, Chengdu 610064, People’s Republic of China
- 47Soochow University, Suzhou 215006, People’s Republic of China
- 48South China Normal University, Guangzhou 510006, People’s Republic of China
- 49Southeast University, Nanjing 211100, People’s Republic of China
- 50State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People’s Republic of China
- 51Sun Yat-Sen University, Guangzhou 510275, People’s Republic of China
- 52Suranaree University of Technology, University Avenue 111, Nakhon Ratchasima 30000, Thailand
- 53Tsinghua University, Beijing 100084, People’s Republic of China
- 54aTurkish Accelerator Center Particle Factory Group, Istinye University, 34010, Istanbul, Turkey
- 54bNear East University, Nicosia, North Cyprus, Mersin 10, Turkey
- 55University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
- 56University of Groningen, NL-9747 AA Groningen, Netherlands
- 57University of Hawaii, Honolulu, Hawaii 96822, USA
- 58University of Jinan, Jinan 250022, People’s Republic of China
- 59University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom
- 60University of Minnesota, Minneapolis, Minnesota 55455, USA
- 61University of Muenster, Wilhelm-Klemm-Str. 9, 48149 Muenster, Germany
- 62University of Oxford, Keble Rd, Oxford, United Kingdom OX13RH
- 63University of Science and Technology Liaoning, Anshan 114051, People’s Republic of China
- 64University of Science and Technology of China, Hefei 230026, People’s Republic of China
- 65University of South China, Hengyang 421001, People’s Republic of China
- 66University of the Punjab, Lahore-54590, Pakistan
- 67aUniversity of Turin and INFN, University of Turin, I-10125 Turin, Italy
- 67bUniversity of Eastern Piedmont, I-15121 Alessandria, Italy
- 67cINFN, I-10125 Turin, Italy
- 68Uppsala University, Box 516, SE-75120 Uppsala, Sweden
- 69Wuhan University, Wuhan 430072, People’s Republic of China
- 70Xinyang Normal University, Xinyang 464000, People’s Republic of China
- 71Yunnan University, Kunming 650500, People’s Republic of China
- 72Zhejiang University, Hangzhou 310027, People’s Republic of China
- 73Zhengzhou University, Zhengzhou 450001, People’s Republic of China
- 74Guangxi University, Nanning 530004, People’s Republic of China
- aAlso at the Moscow Institute of Physics and Technology, Moscow 141700, Russia.
- bAlso at the Novosibirsk State University, Novosibirsk, 630090, Russia.
- cAlso at the NRC “Kurchatov Institute”, PNPI, 188300, Gatchina, Russia.
- dAlso at Goethe University Frankfurt, 60323 Frankfurt am Main, Germany.
- eAlso at Key Laboratory for Particle Physics, Astrophysics and Cosmology, Ministry of Education; Shanghai Key Laboratory for Particle Physics and Cosmology; Institute of Nuclear and Particle Physics, Shanghai 200240, People’s Republic of China.
- fAlso at Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) and Institute of Modern Physics, Fudan University, Shanghai 200443, People’s Republic of China.
- gAlso at State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, People’s Republic of China.
- hAlso at School of Physics and Electronics, Hunan University, Changsha 410082, China.
- iAlso at Guangdong Provincial Key Laboratory of Nuclear Science, Institute of Quantum Matter, South China Normal University, Guangzhou 510006, China.
- jAlso at Frontiers Science Center for Rare Isotopes, Lanzhou University, Lanzhou 730000, People’s Republic of China.
- kAlso at Lanzhou Center for Theoretical Physics, Lanzhou University, Lanzhou 730000, People’s Republic of China.
- lAlso at the Department of Mathematical Sciences, IBA, Karachi, Pakistan.