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Ke (5), Beijing 100049, Beijing 100084, Beijing 100190, Beijing 100191, Beijing 100871, Beijing 102617, (B) INFN, (B) Istanbul Bilgi University, B. J. Liu (1), B. Kloss (22), B. Kopf (4), B. Liu (34), Bloomington, B. L. Wang (41), Box 516, B. S. Zou (1), (B) University of Eastern Piedmont, (B) University of Ferrara, B. Wang (30), B. X. Yu (1, B. X. Zhang (1), B. Y. Zhang (1, B. Zheng (47), B. Zhong (28), c), C, C. C. Zhang (1), C. D. Fu (1), C. Dong (30), C. F. Qiao (41), C. F. Redmer (22), Changsha 410082, Chengdu 610064, Cheng Li (46, Ch. Rosner (14), C. Hu (28), (c) INFN, C. J. Tang (36), C. Leng (49C), C. Li (50), C. L. Luo (28), C. Morales Morales (14), Cosmology, C. P. Shen (2), C. Q. Feng (46, C. Schnier (4), (C) Uludag University, C. X. Liu (1), C. X. Yu (30), C. Zhang (29), C. Z. Yuan (1), D), D-35392 Giessen, D-44780 Bochum, D-55099 Mainz, D-64291 Darmstadt, D. Bettoni (21A), D. Dedovich (23), Defence Road, D. H. Wei (11), D. H. Zhang (1), D. J. Ambrose (44), D. Liu (46, D. M. Li (53), (D) Near East University, D. P. Jin (1, D. Wang (31), D. W. Bennett (19), D. Xiao (1), D. X. Lin (14), D. Y. Wang (31), E), E. Boger (23, E. Fioravanti (21A), E. H. Thorndike (44), Electronics, F), F. A. Harris (42), Fang Liu (1), F. Bianchi (49A, F. C. Ma (27), F. De Mori (49A, F. E. Maas (14), Feng Liu (6), Ferrara, F. F. An (1), F. Feldbauer (22), F. H. Heinsius (4), F. H. Liu (35), F. Li (1, F. Nerling (10), Frascati, F. Y. Li (31), g), Gatchina, G. Chelkov (23, G. Chen (1), G. Cibinetto (21A), Germany (11) Guangxi Normal University, Germany (15) Henan Normal University, Germany (23) Joint Institute for Nuclear Research, Germany (25) KVI-CART, Germany (5) Carnegie Mellon University, Germany (j) Also at Institute of Nuclear, G. F. Cao (1), G. Felici (20A), G. F. Xu (1), G. Li (1), G. Mezzadri (21B), G. R. Liao (11), G. Rong (1), G. S. Huang (46, G. S. Varner (42), Guangzhou 510275, Guilin 541004, G. X. Sun (1), G. Zhao (1), h), Hangzhou 310027, Hangzhou 310036, Hawaii 96822, H. B. Li (1), H. B. Liu (12), H. Cai (51), Hefei 230026, Heinrich-Buff-Ring 16, Hengyang 421001, H. H. Liu (1), H. H. Liu (16), H. H. Zhang (38), H. J. Li (1), H. J. Lu (17), H. J. Yang (34, H. L. Dai (1, H. Leithoff (22), H. Liang (46, H. L. Ma (1), H. Loehner (25), H. M. Hu (1), H. M. Liu (1), H. Muramatsu (43), Honolulu, H. P. Cheng (17), H. P. Peng (46, H. R. Qi (2), H. S. Chen (1), Huangshan 245000, H. Xiao (47), H. X. Yang (1), H. Y. Sheng (1), H. Y. Zhang (1, I), I-00044, I-06100, I-10125, I-15121, I-44122, I. B. Nikolaev (9, I. Boyko (23), I. Denysenko (23), I. Garzia (21A), II. Physikalisches Institut, Indiana 47405, Istanbul, Italy, Italy (21) (A) INFN Sezione di Ferrara, Italy (22) Johannes Gutenberg University of Mainz, Italy (50) Uppsala University, I. Tapan (40C), I. Uman (40D), J), J. B. Jiao (33), J. B. Liu (46, J. C. Chen (1), J. Chai (49C), J. C. Li (1), J. Dong (1, J. Fang (1, J. F. Chang (1, J. F. Hu (49A, J. F. Qiu (1), J. F. Sun (15), J. G. Lu (1, J. G. Messchendorp (25), J. H. Yin (1), J. H. Zou (1) ((1) Institute of High Energy Physics, Jinan 250100, Jin Li (32), J. J. Xu (1), J. J. Zhang (1), J. Liu (1), J. L. Ping (28), J. L. Zhang (1), J. M. Bian (43), J. Min (1, Johann-Joachim-Becher-Weg 45, J. P. Dai (34), J. Pettersson (50), J. P. Liu (51), J. P. Zheng (1, J. Q. Zhang (1), J. S. Huang (15), J. S. Lange (24), J. S. Yu (26), J. V. Bennett (5), J. W. Zhang (1, J. W. Zhao (1, J. Y. Liu (1), J. Y. Zhang (1), J. Y. Zhao (1), J. Z. Bai (1), J. Z. Fan (39), J. Zhang (1), J. Zhuang (1, J. Z. Zhang (1), J. Z. Zhao (1, K. Goetzen (10), K. H. Rashid (48), K. J. Zhu (1, K. L. He (1), K. Li (13), K. Li (33), K. Liu (39), K. Peters (10, K. Schoenning (50), K. Wang (1, K. Y. Liu (27), K. Zhang (1), K. Zhu (1), Lahore, Lahore-54590, Lanzhou 730000, L. B. Guo (28), L. D. Liu (31), Lei Li (3), Lei Zhao (46, L. Fava (49B, L. Gong (30), L. G. Xia (39), L. H. Wu (1), Ling Zhao (1), L. J. Wu (1), L. L. Ma (33), L. L. Wang (1), L. Q. Qin (33), L. S. Wang (1), Luoyang 471003, L. W. Jiang (51), L. Xia (46, L. Xu (1), L. Yan (49A, L. Yang (51), L. Y. Dong (1), L. Zhang (1), L. Zhou (1, L. Zotti (49A, M. Ablikim (1), M. Albrecht (4), M. Bertani (20A), M. Destefanis (49A, Mersin 10, M. Fritsch (14, M. Greco (49A, M. G. Zhao (30), M. H. Gu (1, M. H. Ye (7), Minneapolis, Minnesota 55455, M. Kavatsyuk (25), M. Kornicer (42), M. Lara (19), M. L. Chen (1, M. Maggiora (49A, M. M. Ma (1), M. N. Achasov (9, Moscow 141700, Moscow region, M. Pelizaeus (4), M. Qi (29), M. Ripka (22), M. Savri\\'e (21B), M. Shao (46, M. Shi (1), M. Tiemens (25), M. Wang (33), M. Wolke (50), M. X. Luo (52), M. Y. Dong (1, M. Ye (1, Nanjing 210023, Nanjing 210093, Nanning 530004, N. Berger (22), New York 14627, Nicosia, N. Kalantar-Nayestanaki (25), NL-9747 AA Groningen, North Cyprus, Novosibirsk, Novosibirsk 630090, N. Qin (51), N. Yu. Muchnoi (9, O. Albayrak (5), O. Bakina (23), O. B. Kolcu (40B, O. Cakir (40A), Off Raiwind Road, Pakistan (49) (A) University of Turin, Pakistan (9) G.I. Budker Institute of Nuclear Physics SB RAS (BINP), Particle Physics, Pennsylvania 15213, People's Republic of China (12) Guangxi University, People's Republic of China (13) Hangzhou Normal University, People's Republic of China (14) Helmholtz Institute Mainz, People's Republic of China (16) Henan University of Science, People's Republic of China (17) Huangshan College, People's Republic of China (18) Hunan University, People's Republic of China (19) Indiana University, People's Republic of China (27) Liaoning University, People's Republic of China (28) Nanjing Normal University, People's Republic of China (29) Nanjing University, People's Republic of China (2) Beihang University, People's Republic of China (30) Nankai University, People's Republic of China (31) Peking University, People's Republic of China (32) Seoul National University, People's Republic of China (34) Shanghai Jiao Tong University, People's Republic of China (35) Shanxi University, People's Republic of China (36) Sichuan University, People's Republic of China (37) Soochow University, People's Republic of China (38) Sun Yat-Sen University, People's Republic of China (39) Tsinghua University, People's Republic of China (3) Beijing Institute of Petrochemical Technology, People's Republic of China (40) (A) Ankara University, People's Republic of China (42) University of Hawaii, People's Republic of China (46) University of Science, People's Republic of China (47) University of South China, People's Republic of China (48) University of the Punjab, People's Republic of China (4) Bochum Ruhr-University, People's Republic of China (52) Zhejiang University, People's Republic of China (53) Zhengzhou University, People's Republic of China (7) China Center of Advanced Science, People's Republic of China (8) COMSATS Institute of Information Technology, People's Republic of China (a) Also at State Key Laboratory of Particle Detection, People's Republic of China (b) Also at Bogazici University, People's Republic of China) (BESIII Collaboration), Perugia, P. F. Duan (1), Pittsburgh, P. Kiese (22), P. Larin (14), P. L. Liu (1, P. L. Wang (1), P. Musiol (4), PNPI, P. Patteri (20A), P. R. Li (41), P. Wang (1), P. Weidenkaff (22), P. X. Shen (30), Q. A. Malik (48), Q. An (46, Q. Gao (1), Q. Ji (1), Q. J. Xu (13), Q. Liu (41), Q. L. Xiu (1, Q. M. Ma (1), Q. N. Xu (41), Q. Ouyang (1, Q. P. Ji (15), Q. W. Zhao (1), Q. Y. Li (33), Q. Zhao (1), R. A. Briere (5), R. Baldini Ferroli (20A), R. E. Mitchell (19), R. Farinelli (21A, R. G. Ping (1), Richardson, R. Kliemt (10), Rochester, R. P. Guo (1), R. Poling (43), Russia (10) GSI Helmholtzcentre for Heavy Ion Research GmbH, Russia (24) Justus-Liebig-Universitaet Giessen, Russia (d) Also at the Functional Electronics Laboratory, Russia (e) Also at the Novosibirsk State University, Russia (f) Also at the NRC \"Kurchatov Institute\", Russia (g) Also at University of Texas at Dallas, S. A. Cetin (40B), S. Ahmed (14), S. B. Liu (46, S. Chen (41), SE-75120 Uppsala, Seoul, S. Han (51), Shanghai 200240, Shanghai Key Laboratory for Particle Physics, Shenyang 110036, S. H. Zhu (45), S. J. Chen (29), S. Jin (1), S. J. Zhao (53), S. L. Niu (1, S. L. Olsen (32), S. Marcello (49A, S. Nisar (8), S. Pacetti (20B), S. P. Wen (1), S. Qian (1, S. Q. Zhang (30), S. Schumann (22), S. S. Fang (1), S. Sosio (49A, S. Spataro (49A, S. S. Sun (1), Suzhou 215006, Sweden (51) Wuhan University, S. X. Du (53), S. Zhu (1), Taiyuan 030006, T. C. Zhao (1), Technology, Technology Liaoning, Technology of China, Texas 75083, T. Held (4), The Netherlands (26) Lanzhou University, T. Holtmann (4), T. Hu (1, T. Hussain (48), Tianjin 300071, T. J. Min (1), T. Johansson (50), T. Li (33), T. Luo (42), T. Ma (1), Tomsk, Tomsk State University, Turin, Turkey, Turkey (41) University of Chinese Academy of Sciences, Turkey (c) Also at the Moscow Institute of Physics, Turkey (i) Also at Goethe University Frankfurt, T. Weber (22), University of Groningen, University of Perugia, USA (20) (A) INFN Laboratori Nazionali di Frascati, USA (43) University of Minnesota, USA (44) University of Rochester, USA (45) University of Science, USA (6) Central China Normal University, USA (h) Also at Istanbul Arel University, U. Wiedner (4), V. Prasad (1), W. B. Yan (46, W. C. Yan (46, W. D. Li (1), W. G. Li (1), W. Gradl (22), W. Ikegami Andersson (50), W. J. Zheng (33), W. K\\\"uhn (24), W. L. Yuan (29), W. M. Song (1), W. P. Wang (46, W. Shan (31), Wuhan 430072, Wuhan 430079, W. Wang (1, W. X. Gong (1, X. B. Ji (1), X. Cai (1, X. C. Ai (1), X. Chen (1, X. C. Lou (1, X. D. Ruan (12), X. Fang (46, X. F. Wang (39), X. H. Mo (1, X. H. Sun (1), Xinxiang 453007, X. K. Chu (31), X. K. Zhou (46, X. L. Gao (46, X. Liu (26), X. L. Ji (1, X. L. Kang (1), X. L. Li (33), X. L. Luo (1, X. L. Zhu (39), X. N. Li (1, X. N. Ma (30), X. P. Xu (37), X. Q. Hao (15), X. Q. Li (30), X. R. Chen (26), X. R. Lyu (41), X. R. Zhou (46, X. S. Jiang (1, X. S. Kang (30), X. S. Qin (1), X. Tang (1), X. T. Huang (33), X. Y. Jiang (30), X. Y. Ma (1, X. Y. Niu (1), X. Y. Shen (1), X. Y. Song (1), X. Y. Zhang (33), X. Y. Zhou (1), X. Zhou (51), X. Z. Huang (29), Y. Ban (31), Y. B. Chen (1, Y. B. Li (2), Y. B. Liu (30), Y. B. Zhao (1, Y. C. Zhu (46, Y. Ding (27), Y. D. Wang (14), Y. Fang (1), Y. F. Liang (36), Y. F. Long (31), Y. F. Wang (1, Y. Gao (39), Y. Guo (1), Y. G. Xie (1, Y. H. Guan (1), Y. Hu (1), Y. Huang (29), Y. H. Yan (18), Y. H. Zhang (1, Y. H. Zheng (41), Y. J. Mao (31), Y. J. Mo (6), Y. J. Sun (46, Y. K. Heng (1, Y. Lu (1), Y. M. Ma (33), Y. Nefedov (23), Y. N. Zhang (41), Y. Pan (46, Y. P. Guo (22), Y. P. Lu (1, Y. Q. Wang (22), Y. S. Zhu (1), Y. T. Gu (12), Y. T. Liang (24), Y. T. Zhang (46, Yu Zhang (41), Y. Wang (37), Y. Xia (18), Y. X. Yang (11), Y. Y. Liu (30), Y. Yuan (1), Y. Zeng (18), Y. Zhang (1), Y. Z. Sun (1), Z. A. Liu (1, Z. A. Zhu (1), Z. B. Li (38), Z. Gao (46, Z. G. Wang (1, Z. G. Zhao (46, Z. Haddadi (25), Zhengzhou 450001, Zhiqing Liu (22), Z. H. Qin (1, Z. H. Wang (46, Z. H. Zhang (6), Z. Jiao (17), Z. J. Sun (1, Z. J. Xiao (28), Z. L. Dou (29), Z. L. Hou (1), Z. L. Huang (27), Z. Ning (1, Z. P. Mao (1), Z. P. Zhang (46), Z. T. Sun (19), Z. Wang (1, Z. Wu (1, Z. Y. Deng (1), Z. Y. Wang (1), Z. Y. You (38), Z. Y. Zhang (51), Z. 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