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Study of $J/ψ\to p\bar{p}$ and $J/ψ\to n\bar{n}$

Autor: BESIII Collaboration, M. Ablikim(Institute of High Energy Physics, Beijing, P. R. China), M. N. Achasov(G.I. Budker Institute of Nuclear Physics SB RAS), D. J. Ambrose(University of Rochester, Rochester, New York, USA), F. F. An(Institute of High Energy Physics, Beijing, P. R. China), Q. An(University of Science and Technology of China, Hefei, P. R. China), Z. H. An(Institute of High Energy Physics, Beijing, P. R. China), J. Z. Bai(Institute of High Energy Physics, Beijing, P. R. China), R. B. Ferroli(INFN Laboratori Nazionali di Frascati, Frascati, Italy), Y. Ban(Peking University, Beijing, P. R. China), J. Becker(Bochum Ruhr-University, Bochum, Germany), N. Berger(Institute of High Energy Physics, Beijing, P. R. China), M. B. Bertani(INFN Laboratori Nazionali di Frascati, Frascati, Italy), J. M. Bian(University of Minnesota, Minneapolis, MN, USA), E. Boger(20, a), O. Bondarenko(KVI/University of Groningen, Groningen, The Netherlands), I. Boyko(Joint Institute for Nuclear Research, Dubna, Russia), R. A. Briere(Carnegie Mellon University, Pittsburgh, PA, USA), V. Bytev(Joint Institute for Nuclear Research, Dubna, Russia), X. Cai(Institute of High Energy Physics, Beijing, P. R. China), A. C. Calcaterra(INFN Laboratori Nazionali di Frascati, Frascati, Italy), G. F. Cao(Institute of High Energy Physics, Beijing, P. R. China), J. F. Chang(Institute of High Energy Physics, Beijing, P. R. China), G. Chelkov(20, a), G. Chen(Institute of High Energy Physics, Beijing, P. R. China), H. S. Chen(Institute of High Energy Physics, Beijing, P. R. China), J. C. Chen(Institute of High Energy Physics, Beijing, P. R. China), M. L. Chen(Institute of High Energy Physics, Beijing, P. R. China), S. J. Chen(Nanjing University, Nanjing, P. R. China), Y. Chen(Institute of High Energy Physics, Beijing, P. R. China), Y. B. Chen(Institute of High Energy Physics, Beijing, P. R. China), H. P. Cheng(Huangshan College, Huangshan, P. R. China), Y. P. Chu(Institute of High Energy Physics, Beijing, P. R. China), D. Cronin-Hennessy(University of Minnesota, Minneapolis, MN, USA), H. L. Dai(Institute of High Energy Physics, Beijing, P. R. China), J. P. Dai(Institute of High Energy Physics, Beijing, P. R. China), D. Dedovich(Joint Institute for Nuclear Research, Dubna, Russia), Z. Y. Deng(Institute of High Energy Physics, Beijing, P. R. China), A. Denig(Johannes Gutenberg University of Mainz, Mainz, Germany), I. Denysenko(20, b), M. Destefanis(University of Turin and INFN, Turin, Italy), W. M. Ding(Shandong University, Jinan, P. R. China), Y. Ding(Liaoning University, Shenyang, P. R. China), L. Y. Dong(Institute of High Energy Physics, Beijing, P. R. China), M. Y. Dong(Institute of High Energy Physics, Beijing, P. R. China), S. X. Du(Zhengzhou University, Zhengzhou, P. R. China), J. Fang(Institute of High Energy Physics, Beijing, P. R. China), S. S. Fang(Institute of High Energy Physics, Beijing, P. R. China), L. Fava(44, c), F. Feldbauer(Bochum Ruhr-University, Bochum, Germany), C. Q. Feng(University of Science and Technology of China, Hefei, P. R. China), C. D. Fu(Institute of High Energy Physics, Beijing, P. R. China), J. L. Fu(Nanjing University, Nanjing, P. R. China), Y. Gao(Tsinghua University, Beijing, P. R. China), C. Geng(University of Science and Technology of China, Hefei, P. R. China), K. Goetzen(GSI Helmholtzcentre for Heavy Ion Research GmbH, Darmstadt, Germany), W. X. Gong(Institute of High Energy Physics, Beijing, P. R. China), W. Gradl(Johannes Gutenberg University of Mainz, Mainz, Germany), M. Greco(University of Turin and INFN, Turin, Italy), M. H. Gu(Institute of High Energy Physics, Beijing, P. R. China), Y. T. Gu(GuangXi University, Nanning, P.R.China), Y. H. Guan(Graduate University of Chinese Academy of Sciences, Beijing, P. R. China), A. Q. Guo(Nankai University, Tianjin, P. R. China), L. B. Guo(Nanjing Normal University, Nanjing, P. R. China), Y. P. Guo(Nankai University, Tianjin, P. R. China), Y. L. Han(Institute of High Energy Physics, Beijing, P. R. China), X. Q. Hao(Institute of High Energy Physics, Beijing, P. R. China), F. A. Harris(University of Hawaii, Honolulu, Hawaii, USA), K. L. He(Institute of High Energy Physics, Beijing, P. R. China), M. He(Institute of High Energy Physics, Beijing, P. R. China), Z. Y. He(Nankai University, Tianjin, P. R. China), T. Held(Bochum Ruhr-University, Bochum, Germany), Y. K. Heng(Institute of High Energy Physics, Beijing, P. R. China), Z. L. Hou(Institute of High Energy Physics, Beijing, P. R. China), H. M. Hu(Institute of High Energy Physics, Beijing, P. R. China), J. F. Hu(Graduate University of Chinese Academy of Sciences, Beijing, P. R. China), T. Hu(Institute of High Energy Physics, Beijing, P. R. China), B. Huang(Institute of High Energy Physics, Beijing, P. R. China), G. M. Huang(Huazhong Normal University, Wuhan, P. R. China), J. S. Huang(Henan Normal University, Xinxiang, P. R. China), X. T. Huang(Shandong University, Jinan, P. R. China), Y. P. Huang(Institute of High Energy Physics, Beijing, P. R. China), T. Hussain(University of the Punjab, Lahore, Pakistan), C. S. Ji(University of Science and Technology of China, Hefei, P. R. China), Q. Ji(Institute of High Energy Physics, Beijing, P. R. China), X. B. Ji(Institute of High Energy Physics, Beijing, P. R. China), X. L. Ji(Institute of High Energy Physics, Beijing, P. R. China), L. K. Jia(Institute of High Energy Physics, Beijing, P. R. China), L. L. Jiang(Institute of High Energy Physics, Beijing, P. R. China), X. S. Jiang(Institute of High Energy Physics, Beijing, P. R. China), J. B. Jiao(Shandong University, Jinan, P. R. China), Z. Jiao(Huangshan College, Huangshan, P. R. China), D. P. Jin(Institute of High Energy Physics, Beijing, P. R. China), S. Jin(Institute of High Energy Physics, Beijing, P. R. China), F. F. Jing(Tsinghua University, Beijing, P. R. China), N. Kalantar-Nayestanaki(KVI/University of Groningen, Groningen, The Netherlands), M. Kavatsyuk(KVI/University of Groningen, Groningen, The Netherlands), W. Kuehn(Universitaet Giessen, Giessen, Germany), W. Lai(Institute of High Energy Physics, Beijing, P. R. China), J. S. Lange(Universitaet Giessen, Giessen, Germany), J. K. C. Leung(The University of Hong Kong, Pokfulam, Hong Kong), C. H. Li(Institute of High Energy Physics, Beijing, P. R. China), Cheng Li(University of Science and Technology of China, Hefei, P. R. China), Cui Li(University of Science and Technology of China, Hefei, P. R. China), D. M. Li(Zhengzhou University, Zhengzhou, P. R. China), F. Li(Institute of High Energy Physics, Beijing, P. R. China), G. Li(Institute of High Energy Physics, Beijing, P. R. China), H. B. Li(Institute of High Energy Physics, Beijing, P. R. China), J. C. Li(Institute of High Energy Physics, Beijing, P. R. China), K. Li(Hangzhou Normal University, Hangzhou, P. R. China), Lei Li(Institute of High Energy Physics, Beijing, P. R. China), N. B. Li(Nanjing Normal University, Nanjing, P. R. China), Q. J. Li(Institute of High Energy Physics, Beijing, P. R. China), S. L. Li(Institute of High Energy Physics, Beijing, P. R. China), W. D. Li(Institute of High Energy Physics, Beijing, P. R. China), W. G. Li(Institute of High Energy Physics, Beijing, P. R. China), X. L. Li(Shandong University, Jinan, P. R. China), X. N. Li(Institute of High Energy Physics, Beijing, P. R. China), X. Q. Li(Nankai University, Tianjin, P. R. China), X. R. Li(Seoul National University, Seoul, Korea), Z. B. Li(Sun Yat-Sen University, Guangzhou, P. R. China), H. Liang(University of Science and Technology of China, Hefei, P. R. China), Y. F. Liang(Sichuan University, Chengdu, P. R. China), Y. T. Liang(Universitaet Giessen, Giessen, Germany), G. R. Liao(Tsinghua University, Beijing, P. R. China), X. T. Liao(Institute of High Energy Physics, Beijing, P. R. China), B. J. Liu(Institute of High Energy Physics, Beijing, P. R. China), C. L. Liu(Carnegie Mellon University, Pittsburgh, PA, USA), C. X. Liu(Institute of High Energy Physics, Beijing, P. R. China), C. Y. Liu(Institute of High Energy Physics, Beijing, P. R. China), F. H. Liu(Shanxi University, Taiyuan, P. R. China), Fang Liu(Institute of High Energy Physics, Beijing, P. R. China), Feng Liu(Huazhong Normal University, Wuhan, P. R. China), H. Liu(Shanxi University, Taiyuan, P. R. China), H. B. Liu(Graduate University of Chinese Academy of Sciences, Beijing, P. R. China), H. H. Liu(Henan University of Science and Technology, Luoyang, P. R. China), H. M. Liu(Institute of High Energy Physics, Beijing, P. R. China), H. W. Liu(Institute of High Energy Physics, Beijing, P. R. China), J. P. Liu(Wuhan University, Wuhan, P. R. China), Kun Liu(Peking University, Beijing, P. R. China), Kai Liu(Graduate University of Chinese Academy of Sciences, Beijing, P. R. China), K. Y. Liu(Liaoning University, Shenyang, P. R. China), P. L. Liu(Shandong University, Jinan, P. R. China), S. B. Liu(University of Science and Technology of China, Hefei, P. R. China), X. Liu(Institute of High Energy Physics, Beijing, P. R. China), X. H. Liu(Institute of High Energy Physics, Beijing, P. R. China), Y. B. Liu(Nankai University, Tianjin, P. R. China), Y. Liu(Institute of High Energy Physics, Beijing, P. R. China), Z. A. Liu(Institute of High Energy Physics, Beijing, P. R. China), Zhiqiang Liu(Institute of High Energy Physics, Beijing, P. R. China), Zhiqing Liu(Institute of High Energy Physics, Beijing, P. R. China), H. Loehner(KVI/University of Groningen, Groningen, The Netherlands), G. R. Lu(Henan Normal University, Xinxiang, P. R. China), H. J. Lu(Huangshan College, Huangshan, P. R. China), J. G. Lu(Institute of High Energy Physics, Beijing, P. R. China), Q. W. Lu(Shanxi University, Taiyuan, P. R. China), X. R. Lu(Graduate University of Chinese Academy of Sciences, Beijing, P. R. China), Y. P. Lu(Institute of High Energy Physics, Beijing, P. R. China), C. L. Luo(Nanjing Normal University, Nanjing, P. R. China), M. X. Luo(Zhejiang University, Hangzhou, P. R. China), T. Luo(University of Hawaii, Honolulu, Hawaii, USA), X. L. Luo(Institute of High Energy Physics, Beijing, P. R. China), M. Lv(Institute of High Energy Physics, Beijing, P. R. China), C. L. Ma(Graduate University of Chinese Academy of Sciences, Beijing, P. R. China), F. C. Ma(Liaoning University, Shenyang, P. R. China), H. L. Ma(Institute of High Energy Physics, Beijing, P. R. China), Q. M. Ma(Institute of High Energy Physics, Beijing, P. R. China), S. Ma(Institute of High Energy Physics, Beijing, P. R. China), T. Ma(Institute of High Energy Physics, Beijing, P. R. China), X. Y. Ma(Institute of High Energy Physics, Beijing, P. R. China), Y. Ma(Institute of High Energy Physics, Beijing, P. R. China), F. E. Maas(Helmholtz Institute Mainz, Mainz, Germany), M. Maggiora(University of Turin and INFN, Turin, Italy), Q. A. Malik(University of the Punjab, Lahore, Pakistan), H. Mao(Institute of High Energy Physics, Beijing, P. R. China), Y. J. Mao(Peking University, Beijing, P. R. China), Z. P. Mao(Institute of High Energy Physics, Beijing, P. R. China), J. G. Messchendorp(KVI/University of Groningen, Groningen, The Netherlands), J. Min(Institute of High Energy Physics, Beijing, P. R. China), T. J. Min(Institute of High Energy Physics, Beijing, P. R. China), R. E. Mitchell(Indiana University, Bloomington, Indiana, USA), X. H. Mo(Institute of High Energy Physics, Beijing, P. R. China), C. Morales Morales(Helmholtz Institute Mainz, Mainz, Germany), C. Motzko(Bochum Ruhr-University, Bochum, Germany), N. Yu. Muchnoi(G.I. Budker Institute of Nuclear Physics SB RAS), Y. Nefedov(Joint Institute for Nuclear Research, Dubna, Russia), C. Nicholson(Graduate University of Chinese Academy of Sciences, Beijing, P. R. China), I. B. Nikolaev(G.I. Budker Institute of Nuclear Physics SB RAS), Z. Ning(Institute of High Energy Physics, Beijing, P. R. China), S. L. Olsen(Seoul National University, Seoul, Korea), Q. Ouyang(Institute of High Energy Physics, Beijing, P. R. China), S. P. Pacetti(18, d), J. W. Park(Seoul National University, Seoul, Korea), M. Pelizaeus(University of Hawaii, Honolulu, Hawaii, USA), K. Peters(GSI Helmholtzcentre for Heavy Ion Research GmbH, Darmstadt, Germany), J. L. Ping(Nanjing Normal University, Nanjing, P. R. China), R. G. Ping(Institute of High Energy Physics, Beijing, P. R. China), R. Poling(University of Minnesota, Minneapolis, MN, USA), E. Prencipe(Johannes Gutenberg University of Mainz, Mainz, Germany), C. S. J. Pun(The University of Hong Kong, Pokfulam, Hong Kong), M. Qi(Nanjing University, Nanjing, P. R. China), S. Qian(Institute of High Energy Physics, Beijing, P. R. China), C. F. Qiao(Graduate University of Chinese Academy of Sciences, Beijing, P. R. China), X. S. Qin(Institute of High Energy Physics, Beijing, P. R. China), Y. Qin(Peking University, Beijing, P. R. China), Z. H. Qin(Institute of High Energy Physics, Beijing, P. R. China), J. F. Qiu(Institute of High Energy Physics, Beijing, P. R. China), K. H. Rashid(University of the Punjab, Lahore, Pakistan), G. Rong(Institute of High Energy Physics, Beijing, P. R. China), X. D. Ruan(GuangXi University, Nanning, P.R.China), A. Sarantsev(20, e), J. Schulze(Bochum Ruhr-University, Bochum, Germany), M. Shao(University of Science and Technology of China, Hefei, P. R. China), C. P. Shen(38, f), X. Y. Shen(Institute of High Energy Physics, Beijing, P. R. China), H. Y. Sheng(Institute of High Energy Physics, Beijing, P. R. China), M. R. Shepherd(Indiana University, Bloomington, Indiana, USA), X. Y. Song(Institute of High Energy Physics, Beijing, P. R. China), S. Spataro(University of Turin and INFN, Turin, Italy), B. Spruck(Universitaet Giessen, Giessen, Germany), D. H. Sun(Institute of High Energy Physics, Beijing, P. R. China), G. X. Sun(Institute of High Energy Physics, Beijing, P. R. China), J. F. Sun(Henan Normal University, Xinxiang, P. R. China), S. S. Sun(Institute of High Energy Physics, Beijing, P. R. China), X. D. Sun(Institute of High Energy Physics, Beijing, P. R. China), Y. J. Sun(University of Science and Technology of China, Hefei, P. R. China), Y. Z. Sun(Institute of High Energy Physics, Beijing, P. R. China), Z. J. Sun(Institute of High Energy Physics, Beijing, P. R. China), Z. T. Sun(University of Science and Technology of China, Hefei, P. R. China), C. J. Tang(Sichuan University, Chengdu, P. R. China), X. Tang(Institute of High Energy Physics, Beijing, P. R. China), E. H. Thorndike(University of Rochester, Rochester, New York, USA), H. L. Tian(Institute of High Energy Physics, Beijing, P. R. China), D. Toth(University of Minnesota, Minneapolis, MN, USA), M. U. Ulrich(Universitaet Giessen, Giessen, Germany), G. S. Varner(University of Hawaii, Honolulu, Hawaii, USA), B. Wang(GuangXi University, Nanning, P.R.China), B. Q. Wang(Peking University, Beijing, P. R. China), K. Wang(Institute of High Energy Physics, Beijing, P. R. China), L. L. Wang(China Center of Advanced Science and Technology, Beijing, P. R. China), L. S. Wang(Institute of High Energy Physics, Beijing, P. R. China), M. Wang(Shandong University, Jinan, P. R. China), P. Wang(Institute of High Energy Physics, Beijing, P. R. China), P. L. Wang(Institute of High Energy Physics, Beijing, P. R. China), Q. Wang(Peking University, Beijing, P. R. China), Q. J. Wang(Institute of High Energy Physics, Beijing, P. R. China), S. G. Wang(Peking University, Beijing, P. R. China), X. F. Wang(Henan Normal University, Xinxiang, P. R. China), X. L. Wang(University of Science and Technology of China, Hefei, P. R. China), Y. D. Wang(University of Science and Technology of China, Hefei, P. R. China), Y. F. Wang(Institute of High Energy Physics, Beijing, P. R. China), Y. Q. Wang(Shandong University, Jinan, P. R. China), Z. Wang(Institute of High Energy Physics, Beijing, P. R. China), Z. G. Wang(Institute of High Energy Physics, Beijing, P. R. China), Z. Y. Wang(Institute of High Energy Physics, Beijing, P. R. China), D. H. Wei(Guangxi Normal University, Guilin, P. R. China), P. Weidenkaff(Johannes Gutenberg University of Mainz, Mainz, Germany), Q. G. Wen(University of Science and Technology of China, Hefei, P. R. China), S. P. Wen(Institute of High Energy Physics, Beijing, P. R. China), M. W. Werner(Universitaet Giessen, Giessen, Germany), U. Wiedner(Bochum Ruhr-University, Bochum, Germany), L. H. Wu(Institute of High Energy Physics, Beijing, P. R. China), N. Wu(Institute of High Energy Physics, Beijing, P. R. China), S. X. Wu(University of Science and Technology of China, Hefei, P. R. China), W. Wu(Nankai University, Tianjin, P. R. China), Z. Wu(Institute of High Energy Physics, Beijing, P. R. China), L. G. Xia(Tsinghua University, Beijing, P. R. China), Z. J. Xiao(Nanjing Normal University, Nanjing, P. R. China), Y. G. Xie(Institute of High Energy Physics, Beijing, P. R. China), Q. L. Xiu(Institute of High Energy Physics, Beijing, P. R. China), G. F. Xu(Institute of High Energy Physics, Beijing, P. R. China), G. M. Xu(Peking University, Beijing, P. R. China), H. Xu(Institute of High Energy Physics, Beijing, P. R. China), Q. J. Xu(Hangzhou Normal University, Hangzhou, P. R. China), X. P. Xu(Soochow University, Suzhou, China), Y. Xu(Nankai University, Tianjin, P. R. China), Z. R. Xu(University of Science and Technology of China, Hefei, P. R. China), F. Xue(Huazhong Normal University, Wuhan, P. R. China), Z. Xue(Institute of High Energy Physics, Beijing, P. R. China), L. Yan(University of Science and Technology of China, Hefei, P. R. China), W. B. Yan(University of Science and Technology of China, Hefei, P. R. China), Y. H. Yan(Hunan University, Changsha, P. R. China), H. X. Yang(Institute of High Energy Physics, Beijing, P. R. China), T. Yang(GuangXi University, Nanning, P.R.China), Y. Yang(Huazhong Normal University, Wuhan, P. R. China), Y. X. Yang(Guangxi Normal University, Guilin, P. R. China), H. Ye(Institute of High Energy Physics, Beijing, P. R. China), M. Ye(Institute of High Energy Physics, Beijing, P. R. China), M. H. Ye(China Center of Advanced Science and Technology, Beijing, P. R. China), B. X. Yu(Institute of High Energy Physics, Beijing, P. R. China), C. X. Yu(Nankai University, Tianjin, P. R. China), J. S. Yu(Lanzhou University, Lanzhou, P. R. China), S. P. Yu(Shandong University, Jinan, P. R. China), C. Z. Yuan(Institute of High Energy Physics, Beijing, P. R. China), W. L. Yuan(Nanjing Normal University, Nanjing, P. R. China), Y. Yuan(Institute of High Energy Physics, Beijing, P. R. China), A. A. Zafar(University of the Punjab, Lahore, Pakistan), A. Z. Zallo(INFN Laboratori Nazionali di Frascati, Frascati, Italy), Y. Zeng(Hunan University, Changsha, P. R. China), B. X. Zhang(Institute of High Energy Physics, Beijing, P. R. China), B. Y. Zhang(Institute of High Energy Physics, Beijing, P. R. China), C. C. Zhang(Institute of High Energy Physics, Beijing, P. R. China), D. H. Zhang(Institute of High Energy Physics, Beijing, P. R. China), H. H. Zhang(Sun Yat-Sen University, Guangzhou, P. R. China), H. Y. Zhang(Institute of High Energy Physics, Beijing, P. R. China), J. Zhang(Nanjing Normal University, Nanjing, P. R. China), J. G. Zhang(Henan Normal University, Xinxiang, P. R. China), J. Q. Zhang(Institute of High Energy Physics, Beijing, P. R. China), J. W. Zhang(Institute of High Energy Physics, Beijing, P. R. China), J. Y. Zhang(Institute of High Energy Physics, Beijing, P. R. China), J. Z. Zhang(Institute of High Energy Physics, Beijing, P. R. China), L. Zhang(Nanjing University, Nanjing, P. R. China), S. H. Zhang(Institute of High Energy Physics, Beijing, P. R. China), T. R. Zhang(Nanjing Normal University, Nanjing, P. R. China), X. J. Zhang(Institute of High Energy Physics, Beijing, P. R. China), X. Y. Zhang(Shandong University, Jinan, P. R. China), Y. Zhang(Institute of High Energy Physics, Beijing, P. R. China), Y. H. Zhang(Institute of High Energy Physics, Beijing, P. R. China), Y. S. Zhang(GuangXi University, Nanning, P.R.China), Z. P. Zhang(University of Science and Technology of China, Hefei, P. R. China), Z. Y. Zhang(Wuhan University, Wuhan, P. R. China), G. Zhao(Institute of High Energy Physics, Beijing, P. R. China), H. S. Zhao(Institute of High Energy Physics, Beijing, P. R. China), J. W. Zhao(Institute of High Energy Physics, Beijing, P. R. China), K. X. Zhao(Nanjing Normal University, Nanjing, P. R. China), Lei Zhao(University of Science and Technology of China, Hefei, P. R. China), Ling Zhao(Institute of High Energy Physics, Beijing, P. R. China), M. G. Zhao(Nankai University, Tianjin, P. R. China), Q. Zhao(Institute of High Energy Physics, Beijing, P. R. China), S. J. Zhao(Zhengzhou University, Zhengzhou, P. R. China), T. C. Zhao(Institute of High Energy Physics, Beijing, P. R. China), X. H. Zhao(Nanjing University, Nanjing, P. R. China), Y. B. Zhao(Institute of High Energy Physics, Beijing, P. R. China), Z. G. Zhao(University of Science and Technology of China, Hefei, P. R. China), A. Zhemchugov(20, a), B. Zheng(University of South China, Hengyang, P. R. China), J. P. Zheng(Institute of High Energy Physics, Beijing, P. R. China), Y. H. Zheng(Graduate University of Chinese Academy of Sciences, Beijing, P. R. China), Z. P. Zheng(Institute of High Energy Physics, Beijing, P. R. China), B. Zhong(Institute of High Energy Physics, Beijing, P. R. China), J. Zhong(Bochum Ruhr-University, Bochum, Germany), L. Zhou(Institute of High Energy Physics, Beijing, P. R. China), X. K. Zhou(Graduate University of Chinese Academy of Sciences, Beijing, P. R. China), X. R. Zhou(University of Science and Technology of China, Hefei, P. R. China), C. Zhu(Institute of High Energy Physics, Beijing, P. R. China), K. Zhu(Institute of High Energy Physics, Beijing, P. R. China), K. J. Zhu(Institute of High Energy Physics, Beijing, P. R. China), S. H. Zhu(Institute of High Energy Physics, Beijing, P. R. China), X. L. Zhu(Tsinghua University, Beijing, P. R. China), X. W. Zhu(Institute of High Energy Physics, Beijing, P. R. China), Y. M. Zhu(Nankai University, Tianjin, P. R. China), Y. S. Zhu(Institute of High Energy Physics, Beijing, P. R. China), Z. A. Zhu(Institute of High Energy Physics, Beijing, P. R. China), J. Zhuang(Institute of High Energy Physics, Beijing, P. R. China), B. S. Zou(Institute of High Energy Physics, Beijing, P. R. China), J. H. Zou(Institute of High Energy Physics, Beijing, P. R. China), J. X. Zuo(Institute of High Energy Physics, Beijing, P. R. China)

The decays $J/\psi\to p\bar{p}$ and $J/\psi\to n\bar{n}$ have been investigated with a sample of 225.2 million $J/\psi$ events collected with the BESIII detector at the BEPCII $e^+e^-$ collider. The branching fractions are determined to be $\mathcal{

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3061::f7e09f170f5544e0b4ec377595fd51f4
http://www.openaccessrepository.it/record/17293/files/1205.pdf

Observation of Two NewN*Resonances in the Decayψ(3686)→pp¯π0

Autor: S. J. Zhao, Zheng Wang, J. S. Lange, S. G. Wang, Jingwei Zhao, C. X. Yu, L. L. Wang, X. Y. Zhang, X. S. Jiang, H. B. Liu, B. S. Zou, J. F. Sun, Xingtao Huang, A. Denig, V. Bytev, Y. X. Yang, Y. Yuan, X. H. Mo, Q. J. Wang, J. P. Liu, Jianping Zheng, W. Gradl, M. L. Chen, J. L. Fu, H. Mao, Y. Qin, H. H. Zhang, Y. Z. Sun, T. C. Zhao, J. L. Ping, W. L. Yuan, P. Weidenkaff, S. H. Zhu, S. H. Zhang, Zhenyu Zhang, W. Lai, X. L. Ji, Zhiqiang Liu, Miao He, Q. An, P. L. Liu, M. Lv, J. G. Zhang, R. G. Ping, C. L. Ma, Daniel P Cronin-Hennessy, C. S. Ji, R. Poling, W. Kühn, P. Wang, T. Yang, S. X. Wu, I. Denysenko, E. Boger, S. Pacetti, B. X. Yu, Jianhao Zhang, Xiujuan Tang, Jie Yu, Guo-Ming Chen, Tao Hu, Lei Zhao, X. Q. Hao, Y. H. Yan, Wu Li, Jin Wang, Z. L. Hou, G. Rong, Xing Lu, J. Zhong, T. J. Min, Y. M. Zhu, X. R. Zhou, J. S. Huang, Z. J. Xiao, Z. H. An, B. Spruck, K. H. Rashid, L. Y. Dong, Niklaus Berger, E. Prencipe, S. P. Wen, Y. F. Liang, X. Liu, Z. H. Qin, M. Shao, Z. T. Sun, C. Morales Morales, R. E. Mitchell, Y. P. Guo, J. K. C. Leung, F. Feldbauer, X. S. Qin, Chang-Zheng Yuan, C. Nicholson, M. Y. Dong, X. L. Li, G. X. Sun, J. B. Jiao, Y. P. Chu, Junguang Lu, C. F. Qiao, Z. G. Zhao, M. R. Shepherd, Feng Xue, Cui Li, Y. T. Liang, J. Fang, B. Zheng, S. Spataro, M. Ullrich, M. Pelizaeus, X. D. Ruan, J. F. Chang, G. F. Cao, Y. J. Sun, D. H. Sun, Hua-Bin Li, M. Qi, Wei Li, X. L. Wang, J. K. Becker, Xu Zhang, Hao Liu, S. S. Sun, F. F. An, J. P. Dai, Y. H. Guan, X. H. Liu, J. C. Chen, Xie-Yan Song, J. Zhang, Ling Zhao, Guangyu Zhao, Hai Liang, Z. Y. He, Z. Xue, M. Kavatsyuk, Y. P. Lu, Kun Liu, Fang Liu, C. L. Luo, Lei Zhou, G. R. Liao, A. Zhemchugov, Yang Yang, Yulei Han, Li-Feng Wang, Y. K. Heng, D. Toth, Chunyan Zhu, Sai-Juan Chen, D. H. Zhang, Yang Gao, Shisong Fang, Yuehong Xie, Wei Wu, K. Peters, Kunlun He, Q. Ouyang, Q. J. Li, J. F. Hu, Z. P. Mao, G. M. Xu, Kai Liu, Z. A. Liu, G. S. Varner, M. Bertani, Z. Ning, H. Y. Zhang, Haiwen Liu, X. H. Zhao, B. Zhong, Yong’an Liu, S. P. Yu, Shaodan Ma, X. T. Liao, A. Zallo, L. G. Xia, Qingming Ma, Kai Zhu, R. A. Briere, Feng Liu, Chang Liu, Y. S. Zhu, J. F. Qiu, H. Xu, X. P. Xu, F. C. Ma, G. M. Huang, J. Min, Chun S. J. Pun, D. Dedovich, T. R. Zhang, M. H. Gu, O. Bondarenko, D. J. Ambrose, J. Z. Bai, Y. T. Gu, M. G. Zhao, Y. J. Mao, D. M. Li, Shouguang Jin, Qian Wang, Y. P. Huang, G. Li, Y. D. Wang, X. N. Li, X. F. Wang, Zhen Wang, M. Ye, Huihui Liu, C. Motzko, C. Geng, L. Fava, Tao Luo, Xian Lun Zhu, S. L. Olsen, Li Yan, Talib Hussain, J. G. Messchendorp, G. R. Lu, C. D. Fu, A. Calcaterra, Q. L. Xiu, Jiangchao Li, Yi-Fang Zhao, Fu-Hu Liu, L. Zhang, H. S. Chen, Zong-Ping Zheng, H. Loehner, Joong-Won Park, Y. H. Zheng, W. B. Yan, H. L. Dai, J. Zhuang, S. X. Du, L. L. Jiang, Jun-Yi Zhang, G. F. Xu, L. H. Wu, M. X. Luo, G. Chelkov, B. X. Zhang, I. B. Nikolaev, Xueyong Shen, Zujian Wang, Y. S. Zhang, Xiaobo Zhu, Zhi-Jun Sun, Zhihao Xu, Chuan Liu, J. Schulze, J. M. Bian, N. Yu. Muchnoi, F. F. Jing, Y. H. Zhang, Q. W. Lu, K. Li, B. Huang, N. Kalantar-Nayestanaki, Y. Ding, E. H. Thorndike, Q. G. Wen, S. Qian, M. Maggiora, Bingxin Zhang, M. N. Achasov, J. X. Zuo, H. Y. Sheng, M. Greco, S. B. Liu, U. Wiedner, Lei Li, L. K. Jia, Z. P. Zhang, YongJu Chen, T. Ma, Jianguo Zhang, M. H. Ye, Yun-Zhi Zhang, H. P. Cheng, Y. Q. Wang, Z. A. Zhu, M. Ablikim, A. A. Zafar, X. B. Ji, K. Goetzen, Q. Ji, W. M. Ding, N. Wu, Feng Li, D. P. Jin, Y. F. Wang, F. A. Harris, B. Wang, Z. Y. Deng, Michael Werner, X. Y. Ma, Hang Liu, Chunmei Zhang, Q. J. Xu, D. H. Wei, C. H. Li, X. Q. Li, H. M. Hu, Hailong Ma, L. B. Guo, Z. Wu, Y. B. Chen, J. Z. Zhang, Y. B. Liu, K. Y. Liu, H. L. Tian, C. J. Tang, K. X. Zhao, K. Wang, P. L. Wang, X. L. Luo, C. Q. Feng, X. K. Zhou, B. Q. Wang, Y. Ma, H. S. Zhao, C. P. Shen, T. Held, H. J. Lu, Cunming Liu, I. Boyko, Y. Xu, N. B. Li, Y. Zeng, Q Zhao, H. Ye, Brent J. Liu, M. Destefanis, W. X. Gong, Zhibing Li, Y. Ban, Q. A. Malik, Zhiqing Liu, F. E. Maas, Cheng Li, A. Sarantsev, Y. Nefedov, X. D. Sun, H. X. Yang, K. J. Zhu, M. Wang, X. R. Li, A. Q. Guo, Z. Jiao, S. L. Li, R. B. Ferroli, J. H. Zou, X. Cai

Publikováno v: Physical Review Letters. 110

Based on 106 x 10(6)psi(3686) events collected with the BESIII detector at the BEPCII facility, a partial wave analysis of psi(3686) -> p (p) over bar pi(0) is performed. The branching fraction of this channel has been determined to be B psi(3686) ->

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a88f236faa14e6ac9c3fb04c51e20be8
https://doi.org/10.1103/physrevlett.110.022001

First observation of the isospin violating decayJ/ψ→ΛΣ¯0+c.c

Autor: M. Qi, H. L. Tian, D. J. Ambrose, K. Li, Fang Liu, S. Qian, Jialun Ping, E. Prencipe, I. Denysenko, A. Zallo, L. L. Wang, X. Y. Zhang, S. Ma, W. D. Li, Z. Ning, R. B. Ferroli, D. Toth, Y. J. Sun, E. Boger, Yang Qin, Q. M. Ma, H. B. Li, Z. P. Zheng, X. K. Zhou, Y. Q. Wang, B. Y. Zhang, Feng Xue, Cui Li, Yingchun Zhu, A. G. Denig, C. L. Luo, A. Q. Guo, Xiao-Tong Lu, H. X. Yang, H.S. Xu, Z. H. Qin, Chuan Liu, Y. F. Wang, F. Li, Yuanbo Chen, Yu-Bin Liu, Y. Nefedov, J. F. Sun, Y. H. Zheng, Y. F. Liang, Y. Yuan, Y. S. Zhu, F. Feldbauer, Xiaobo Zhu, Cong-Feng Qiao, Zhiyong Zhang, D. P. Jin, X. T. Huang, M. Ablikim, A. A. Zafar, G. Rong, Chang Liu, X. Liu, C. C. Zhang, B. Zhong, L. B. Guo, Sanfeng Wu, Y. Zeng, J. S. Huang, C. X. Liu, Meng Wang, S. B. Liu, Z. G. Wang, Qun-Yao Wang, T. R. Zhang, M. Y. Dong, Lei Li, Huihui Liu, J. P. Liu, J. G. Messchendorp, Z. J. Xiao, Y. P. Guo, N. Yu. Muchnoi, X. L. Ji, X. Y. Ma, W. X. Gong, P. L. Liu, Y. Ding, F. C. Ma, J. Q. Zhang, Heng-Yun Ye, Y. H. Zhang, I. B. Nikolaev, K. H. Rashid, H. Y. Zhang, M. Shao, Y. T. Gu, Serkant Ali Cetin, Ulrich Wiedner, Xiang Li, X. Q. Hao, X. Tang, Zhe Sun, W. G. Li, J. Min, H. B. Liu, S. P. Yu, G. A. Chelkov, H. L. Ma, D. M. Li, H. Mao, Zhiqing Liu, J. B. Jiao, S. Spataro, X. P. Xu, C. Zhu, B. J. Liu, H. M. Liu, Q. G. Wen, H. J. Lu, J. G. Lu, J. F. Hu, G. F. Cao, Z. A. Liu, Talib Hussain, X. L. Wang, H. Muramatsu, Q. J. Li, J. Zhong, T. Ma, Yanping Huang, Jie Yu, G. R. Lu, J. F. Chang, C. H. Li, F. E. Maas, Z. Y. Wang, T. Hu, J. X. Zuo, K. L. He, K. Goetzen, W. Kuehn, Y. B. Chen, Z. H. An, Xiaofeng Zhu, J. Z. Zhang, A. Sarantsev, H. H. Liu, Yao Wang, J. C. Li, Kun Liu, Y. X. Yang, J. H. Zou, G. F. Chen, D. H. Wei, J. S. Lange, Z. A. Zhu, S. S. Sun, Y. Ban, P. Weidenkaff, E. H. Thorndike, B. Wang, Michael Werner, Xiangdong Ruan, T. J. Min, K. J. Zhu, Y. M. Zhu, M. H. Ye, J. Y. Zhang, S. P. Wen, B. D. Schaefer, Y. G. Xie, J. Zhuang, M. L. Chen, M. X. Luo, X. Cai, X. R. Li, S. L. Olsen, R. A. Briere, D. H. Sun, X. H. Liu, Guangming Huang, X. S. Qin, X. R. Zhou, J. L. Fu, Cheng Li, Xuantong Zhang, D. V. Dedovich, G. X. Sun, Li Yan, L. Y. Dong, M. R. Shepherd, I. Tapan, X. S. Jiang, Z. Jiao, Fu-Hu Liu, D. H. Zhang, Z. Wu, J. F. Qiu, L. K. Jia, J. P. Dai, S. X. Du, Y. T. Liang, H. M. Hu, Q. Zhao, G. Li, Y. Z. Sun, C. L. Ma, M. Bertani, L. Fava, Y. K. Heng, C. Nicholson, S. L. Li, N. Wu, O. Cakir, Krisztian Peters, L. G. Xia, Z. B. Li, Y. H. Yan, M. H. Gu, J. W. Zhao, Nicolas Berger, Zhenli Xu, G. F. Xu, W. M. Ding, S. J. Chen, Y. L. Han, C. D. Fu, J. Zhang, O. Bondarenko, M. Kavatsyuk, Shan Wang, C. Motzko, J. W. Zhang, C. Q. Feng, Gang Zhao, X. F. Tang, Y. S. Zhang, Jürgen Becker, M. Ullrich, Z. Y. Deng, H. Y. Sheng, S. Jin, R. E. Mitchell, H. H. Zhang, C. X. Yu, C. Geng, Y. J. Mao, Z. G. Zhao, L. L. Jiang, M. Greco, HongSheng Zhao, Q. J. Wang, D. Cronin-Hennessy, Xingguo Li, W. Gradl, M. G. Zhao, G. S. Varner, B. X. Zhang, R. Poling, X. Y. Song, Zujian Wang, B. Huang, X. H. Mo, L. S. Wang, Hang Liu, Z. J. Sun, H. Loehner, B. Zheng, R. G. Ping, Julian Schulze, F. A. Harris, J. Z. Bai, Jianping Zheng, Y. H. Guan, B. Q. Wang, M. Maggiora, B. Spruck, X. H. Zhao, Joong-Won Park, K. Y. Liu, Q. P. Ji, Y. Zhang, Q. An, C. P. Shen, J. M. Bian, Zhenyu Zhang, W. Lai, M. Lv, K. X. Zhao, Feng Liu, Ling Zhao, L. H. Wu, Lei Zhao, Z. Y. He, Z. L. Hou, Y. B. Zhao, Yang Yang, Wei Wu, A. Zhemchugov, Y. P. Chu, S. H. Zhang, X. Y. Shen, X. B. Ji, Z. Xue, T. Held, M. Destefanis, Y.N. Gao, J. C. Chen, Nasser Kalantar-Nayestanaki, W. B. Yan, G. M. Xu, C. Z. Yuan, C. J. Tang, Y. P. Lu, Kai Liu, P. L. Wang, C. Morales Morales, Qi-Wen Lü, Q. A. Malik, S. Pacetti, Zhiqiang Liu, Miao He, M. N. Achasov, L. P. Zhou, Y. M. Ma, Z. P. Mao, H. P. Cheng, J. Fang, Shou-hua Zhu, Ke Wang, M. Pelizaeus, X. Sun, B. S. Zou, V. V. Bytev, A. Calcaterra, C. S. Ji, Fenfen An, H. Liang, T. C. Zhao, Tao Luo, B. X. Yu, H. S. Chen, Shujun Zhao, H. L. Dai, Igor Boyko, X. T. Liao, Q. J. Xu, X. N. Li, Haiping Peng, G. R. Liao, F. F. Jing, W. L. Yuan, Q. Ouyang, S. S. Fang, Y. B. Liu, N. B. Li, Q. L. Xiu, X. L. Luo

Publikováno v: Physical Review D. 86

Using a sample of (225.2 +/- 2.8) x 10(6) J/psi events collected with the BESIII detector, we present results of a study of J/psi -> gamma Lambda(Lambda) over bar and report the first observation of the isospin violating decay J/psi -> Lambda(Sigma)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::87a23dc90d989e1f4ae8fdb143625128
https://doi.org/10.1103/physrevd.86.032008

Observation of two new N* resonances in the decay ψ(3686)→ppπ0

Autor: M, Ablikim, M N, Achasov, D J, Ambrose, F F, An, Q, An, Z H, An, J Z, Bai, Y, Ban, J, Becker, N, Berger, M, Bertani, J M, Bian, E, Boger, O, Bondarenko, I, Boyko, R A, Briere, V, Bytev, X, Cai, A, Calcaterra, G F, Cao, J F, Chang, G, Chelkov, G, Chen, H S, Chen, J C, Chen, M L, Chen, S J, Chen, Y, Chen, Y B, Chen, H P, Cheng, Y P, Chu, D, Cronin-Hennessy, H L, Dai, J P, Dai, D, Dedovich, Z Y, Deng, A, Denig, I, Denysenko, M, Destefanis, W M, Ding, Y, Ding, L Y, Dong, M Y, Dong, S X, Du, J, Fang, S S, Fang, L, Fava, F, Feldbauer, C Q, Feng, R B, Ferroli, C D, Fu, J L, Fu, Y, Gao, C, Geng, K, Goetzen, W X, Gong, W, Gradl, M, Greco, M H, Gu, Y T, Gu, Y H, Guan, A Q, Guo, L B, Guo, Y P, Guo, Y L, Han, X Q, Hao, F A, Harris, K L, He, M, He, Z Y, He, T, Held, Y K, Heng, Z L, Hou, H M, Hu, J F, Hu, T, Hu, B, Huang, G M, Huang, J S, Huang, X T, Huang, Y P, Huang, T, Hussain, C S, Ji, Q, Ji, X B, Ji, X L, Ji, L K, Jia, L L, Jiang, X S, Jiang, J B, Jiao, Z, Jiao, D P, Jin, S, Jin, F F, Jing, N, Kalantar-Nayestanaki, M, Kavatsyuk, W, Kühn, W, Lai, J S, Lange, J K C, Leung, C H, Li, Cheng, Li, Cui, Li, D M, Li, F, Li, G, Li, H B, Li, J C, Li, K, Li, Lei, Li, N B, Li, Q J, Li, S L, Li, W D, Li, W G, Li, X L, Li, X N, Li, X Q, Li, X R, Li, Z B, Li, H, Liang, Y F, Liang, Y T, Liang, G R, Liao, X T, Liao, B J, Liu, C L, Liu, C X, Liu, C Y, Liu, F H, Liu, Fang, Liu, Feng, Liu, H, Liu, H B, Liu, H H, Liu, H M, Liu, H W, Liu, J P, Liu, K Y, Liu, Kai, Liu, Kun, Liu, P L, Liu, S B, Liu, X, Liu, X H, Liu, Y, Liu, Y B, Liu, Z A, Liu, Zhiqiang, Liu, Zhiqing, Liu, H, Loehner, G R, Lu, H J, Lu, J G, Lu, Q W, Lu, X R, Lu, Y P, Lu, C L, Luo, M X, Luo, T, Luo, X L, Luo, M, Lv, C L, Ma, F C, Ma, H L, Ma, Q M, Ma, S, Ma, T, Ma, X Y, Ma, Y, Ma, F E, Maas, M, Maggiora, Q A, Malik, H, Mao, Y J, Mao, Z P, Mao, J G, Messchendorp, J, Min, T J, Min, R E, Mitchell, X H, Mo, C, Morales Morales, C, Motzko, N Yu, Muchnoi, Y, Nefedov, C, Nicholson, I B, Nikolaev, Z, Ning, S L, Olsen, Q, Ouyang, S, Pacetti, J W, Park, M, Pelizaeus, K, Peters, J L, Ping, R G, Ping, R, Poling, E, Prencipe, C S J, Pun, M, Qi, S, Qian, C F, Qiao, X S, Qin, Y, Qin, Z H, Qin, J F, Qiu, K H, Rashid, G, Rong, X D, Ruan, A, Sarantsev, J, Schulze, M, Shao, C P, Shen, X Y, Shen, H Y, Sheng, M R, Shepherd, X Y, Song, S, Spataro, B, Spruck, D H, Sun, G X, Sun, J F, Sun, S S, Sun, X D, Sun, Y J, Sun, Y Z, Sun, Z J, Sun, Z T, Sun, C J, Tang, X, Tang, E H, Thorndike, H L, Tian, D, Toth, M, Ullrich, G S, Varner, B, Wang, B Q, Wang, J X, Wang, K, Wang, L L, Wang, L S, Wang, M, Wang, P, Wang, P L, Wang, Q, Wang, Q J, Wang, S G, Wang, X F, Wang, X L, Wang, Y D, Wang, Y F, Wang, Y Q, Wang, Z, Wang, Z G, Wang, Z Y, Wang, D H, Wei, P, Weidenkaff, Q G, Wen, S P, Wen, M, Werner, U, Wiedner, L H, Wu, N, Wu, S X, Wu, W, Wu, Z, Wu, L G, Xia, Z J, Xiao, Y G, Xie, Q L, Xiu, G F, Xu, G M, Xu, H, Xu, Q J, Xu, X P, Xu, Y, Xu, Z R, Xu, F, Xue, Z, Xue, L, Yan, W B, Yan, Y H, Yan, H X, Yang, T, Yang, Y, Yang, Y X, Yang, H, Ye, M, Ye, M H, Ye, B X, Yu, C X, Yu, J S, Yu, S P, Yu, C Z, Yuan, W L, Yuan, Y, Yuan, A A, Zafar, A, Zallo, Y, Zeng, B X, Zhang, B Y, Zhang, C C, Zhang, D H, Zhang, H H, Zhang, H Y, Zhang, J, Zhang, J G, Zhang, J Q, Zhang, J W, Zhang, J Y, Zhang, J Z, Zhang, L, Zhang, S H, Zhang, T R, Zhang, X J, Zhang, X Y, Zhang, Y, Zhang, Y H, Zhang, Y S, Zhang, Z P, Zhang, Z Y, Zhang, G, Zhao, H S, Zhao, J W, Zhao, K X, Zhao, Lei, Zhao, Ling, Zhao, M G, Zhao, Q, Zhao, S J, Zhao, T C, Zhao, X H, Zhao, Y B, Zhao, Z G, Zhao, A, Zhemchugov, B, Zheng, J P, Zheng, Y H, Zheng, Z P, Zheng, B, Zhong, J, Zhong, L, Zhou, X K, Zhou, X R, Zhou, C, Zhu, K, Zhu, K J, Zhu, S H, Zhu, X L, Zhu, X W, Zhu, Y M, Zhu, Y S, Zhu, Z A, Zhu, J, Zhuang, B S, Zou, J H, Zou, J X, Zuo

Publikováno v: Physical review letters. 110(2)

Based on 106×10(6)ψ(3686) events collected with the BESIII detector at the BEPCII facility, a partial wave analysis of ψ(3686)→ppπ0 is performed. The branching fraction of this channel has been determined to be B(ψ(3686)→ppπ0)=(1.65±0.03±

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::d4fe45889a8e50d5a86b22e706d3ee20
https://pubmed.ncbi.nlm.nih.gov/23383891