Observation of Electromagnetic Dalitz decays J/ψ\to P e^+e^

Autor: M. AblikimInstitute of High Energy Physics, M. N. Achasov(8, a), X. C. Ai(Institute of High Energy Physics), O. Albayrak(Carnegie Mellon University), M. Albrecht(, Bochum Ruhr-University, Germany), D. J. Ambrose(University of Rochester), F. F. An(Institute of High Energy Physics), Q. An(University of Science and Technology of China), J. Z. Bai(Institute of High Energy Physics), R. Baldini Ferroli(19A), Y. Ban(Peking University), J. V. Bennett(Indiana University), M. Bertani(19A), J. M. Bian(University of Minnesota), E. Boger(21, b), O. Bondarenko(KVI, University of Groningen), I. Boyko(Joint Institute for Nuclear Research), S. Braun(Universitaet Giessen), R. A. Briere(Carnegie Mellon University), H. Cai(Wuhan University), X. Cai(Institute of High Energy Physics), O. Cakir(36A), A. Calcaterra(19A), G. F. Cao(Institute of High Energy Physics), S. A. Cetin(36B), J. F. Chang(Institute of High Energy Physics), G. Chelkov(21, b), G. Chen(Institute of High Energy Physics), H. S. Chen(Institute of High Energy Physics), J. C. Chen(Institute of High Energy Physics), M. L. Chen(Institute of High Energy Physics), S. J. Chen(Nanjing University), X. Chen(Institute of High Energy Physics), X. R. Chen(Lanzhou University), Y. B. Chen(Institute of High Energy Physics), H. P. Cheng(Huangshan College), X. K. Chu(Peking University), Y. P. Chu(Institute of High Energy Physics), D. Cronin-Hennessy(University of Minnesota), H. L. Dai(Institute of High Energy Physics), J. P. Dai(Institute of High Energy Physics), D. Dedovich(Joint Institute for Nuclear Research), Z. Y. Deng(Institute of High Energy Physics), A. Denig(Johannes Gutenberg University of Mainz), I. Denysenko(Joint Institute for Nuclear Research), M. Destefanis(45A,45C), W. M. Ding(Shandong University), Y. Ding(Liaoning University), C. Dong(Nankai university), J. Dong(Institute of High Energy Physics), L. Y. Dong(Institute of High Energy Physics), M. Y. Dong(Institute of High Energy Physics), S. X. Du(Zhengzhou University), J. Z. Fan(Tsinghua University), J. Fang(Institute of High Energy Physics), S. S. Fang(Institute of High Energy Physics), Y. Fang(Institute of High Energy Physics), L. Fava(45B,45C), C. Q. Feng(University of Science and Technology of China), C. D. Fu(Institute of High Energy Physics), J. L. Fu(Nanjing University), O. Fuks(21, b), Q. Gao(Institute of High Energy Physics), Y. Gao(Tsinghua University), C. Geng(University of Science and Technology of China), K. Goetzen(GSI Helmholtzcentre for Heavy Ion Research GmbH), W. X. Gong(Institute of High Energy Physics), W. Gradl(Johannes Gutenberg University of Mainz), M. Greco(45A,45C), M. H. Gu(Institute of High Energy Physics), Y. T. Gu(GuangXi University), Y. H. Guan(Institute of High Energy Physics), A. Q. Guo(Nankai university), L. B. Guo(Nanjing Normal University), T. Guo(Nanjing Normal University), Y. P. Guo(Johannes Gutenberg University of Mainz), Y. L. Han(Institute of High Energy Physics), F. A. Harris(University of Hawaii), K. L. He(Institute of High Energy Physics), M. He(Institute of High Energy Physics), Z. Y. He(Nankai university), T. Held(, Bochum Ruhr-University, Germany), Y. K. Heng(Institute of High Energy Physics), Z. L. Hou(Institute of High Energy Physics), C. Hu(Nanjing Normal University), H. M. Hu(Institute of High Energy Physics), J. F. Hu(Universitaet Giessen), T. Hu(Institute of High Energy Physics), G. M. Huang(Central China Normal University), G. S. Huang(University of Science and Technology of China), H. P. Huang(Wuhan University), J. S. Huang(Henan Normal University), L. Huang(Institute of High Energy Physics), X. T. Huang(Shandong University), Y. Huang(Nanjing University), T. Hussain(University of the Punjab), C. S. Ji(University of Science and Technology of China), Q. Ji(Institute of High Energy Physics), Q. P. Ji(Nankai university), X. B. Ji(Institute of High Energy Physics), X. L. Ji(Institute of High Energy Physics), L. L. Jiang(Institute of High Energy Physics), L. W. Jiang(Wuhan University), X. S. Jiang(Institute of High Energy Physics), J. B. Jiao(Shandong University), Z. Jiao(Huangshan College), D. P. Jin(Institute of High Energy Physics), S. Jin(Institute of High Energy Physics), T. Johansson(Uppsala University), N. Kalantar-Nayestanaki(KVI, University of Groningen), X. L. Kang(Institute of High Energy Physics), X. S. Kang(Nankai university), M. Kavatsyuk(KVI, University of Groningen), B. Kloss(Johannes Gutenberg University of Mainz), B. Kopf(, Bochum Ruhr-University, Germany), M. Kornicer(University of Hawaii), W. Kuehn(Universitaet Giessen), A. Kupsc(Uppsala University), W. Lai(Institute of High Energy Physics), J. S. Lange(Universitaet Giessen), M. Lara(Indiana University), P. Larin(Helmholtz Institute Mainz), M. Leyhe(, Bochum Ruhr-University, Germany), C. H. Li(Institute of High Energy Physics), Cheng Li(University of Science and Technology of China), Cui Li(University of Science and Technology of China), D. Li(Hunan University), D. M. Li(Zhengzhou University), F. Li(Institute of High Energy Physics), G. Li(Institute of High Energy Physics), H. B. Li(Institute of High Energy Physics), J. C. Li(Institute of High Energy Physics), K. Li(Shandong University), Lei Li(Institute of High Energy Physics), P. R. Li(University of Chinese Academy of Sciences), Q. J. Li(Institute of High Energy Physics), T. Li(Shandong University), W. D. Li(Institute of High Energy Physics), W. G. Li(Institute of High Energy Physics), X. L. Li(Shandong University), X. N. Li(Institute of High Energy Physics), X. Q. Li(Nankai university), Z. B. Li(Sun Yat-Sen University), H. Liang(University of Science and Technology of China), Y. F. Liang(Sichuan University), Y. T. Liang(Universitaet Giessen), D. X. Lin(Helmholtz Institute Mainz), B. J. Liu(Institute of High Energy Physics), C. L. Liu(Carnegie Mellon University), C. X. Liu(Institute of High Energy Physics), F. H. Liu(Shanxi University), Fang Liu(Institute of High Energy Physics), Feng Liu(Central China Normal University), H. B. Liu(GuangXi University), H. H. Liu(Henan University of Science and Technology), H. M. Liu(Institute of High Energy Physics), J. Liu(Institute of High Energy Physics), J. P. Liu(Wuhan University), K. Liu(Tsinghua University), K. Y. Liu(Liaoning University), P. L. Liu(Shandong University), Q. Liu(University of Chinese Academy of Sciences), S. B. Liu(University of Science and Technology of China), X. Liu(Institute of High Energy Physics), Y. B. Liu(Nankai university), Z. A. Liu(Institute of High Energy Physics), Zhiqiang Liu(Institute of High Energy Physics), Zhiqing Liu(Johannes Gutenberg University of Mainz), H. Loehner(KVI, University of Groningen), X. C. Lou(1, c), G. R. Lu(Henan Normal University), H. J. Lu(Huangshan College), H. L. Lu(Institute of High Energy Physics), J. G. Lu(Institute of High Energy Physics), X. R. Lu(University of Chinese Academy of Sciences), Y. Lu(Institute of High Energy Physics), Y. P. Lu(Institute of High Energy Physics), C. L. Luo(Nanjing Normal University), M. X. Luo(Zhejiang University), T. Luo(University of Hawaii), X. L. Luo(Institute of High Energy Physics), M. Lv(Institute of High Energy Physics), F. C. Ma(Liaoning University), H. L. Ma(Institute of High Energy Physics), Q. M. Ma(Institute of High Energy Physics), S. Ma(Institute of High Energy Physics), T. Ma(Institute of High Energy Physics), X. Y. Ma(Institute of High Energy Physics), F. E. Maas(Helmholtz Institute Mainz), M. Maggiora(45A,45C), Q. A. Malik(University of the Punjab), Y. J. Mao(Peking University), Z. P. Mao(Institute of High Energy Physics), J. G. Messchendorp(KVI, University of Groningen), J. Min(Institute of High Energy Physics), T. J. Min(Institute of High Energy Physics), R. E. Mitchell(Indiana University), X. H. Mo(Institute of High Energy Physics), Y. J. Mo(Central China Normal University), H. Moeini(KVI, University of Groningen), C. Morales Morales(Helmholtz Institute Mainz), K. Moriya(Indiana University), N. Yu. Muchnoi(8, a), H. Muramatsu(University of Minnesota), Y. Nefedov(Joint Institute for Nuclear Research), I. B. Nikolaev(8, a), Z. Ning(Institute of High Energy Physics), S. Nisar(COMSATS Institute of Information Technology), X. Y. Niu(Institute of High Energy Physics), S. L. Olsen(Seoul National University), Q. Ouyang(Institute of High Energy Physics), S. Pacetti(19B), M. Pelizaeus(, Bochum Ruhr-University, Germany), H. P. Peng(University of Science and Technology of China), K. Peters(GSI Helmholtzcentre for Heavy Ion Research GmbH), J. L. Ping(Nanjing Normal University), R. G. Ping(Institute of High Energy Physics), R. Poling(University of Minnesota), N. Q.(Wuhan University), M. Qi(Nanjing University), S. Qian(Institute of High Energy Physics), C. F. Qiao(University of Chinese Academy of Sciences), L. Q. Qin(Shandong University), X. S. Qin(Institute of High Energy Physics), Y. Qin(Peking University), Z. H. Qin(Institute of High Energy Physics), J. F. Qiu(Institute of High Energy Physics), K. H. Rashid(University of the Punjab), C. F. Redmer(Johannes Gutenberg University of Mainz), M. Ripka(Johannes Gutenberg University of Mainz), G. Rong(Institute of High Energy Physics), X. D. Ruan(GuangXi University), A. Sarantsev(21, d), K. Schoenning(Uppsala University), S. Schumann(Johannes Gutenberg University of Mainz), W. Shan(Peking University), M. Shao(University of Science and Technology of China), C. P. Shen(Beihang University), X. Y. Shen(Institute of High Energy Physics), H. Y. Sheng(Institute of High Energy Physics), M. R. Shepherd(Indiana University), W. M. Song(Institute of High Energy Physics), X. Y. Song(Institute of High Energy Physics), S. Spataro(45A,45C), B. Spruck(Universitaet Giessen), G. X. Sun(Institute of High Energy Physics), J. F. Sun(Henan Normal University), S. S. Sun(Institute of High Energy Physics), Y. J. Sun(University of Science and Technology of China), Y. Z. Sun(Institute of High Energy Physics), Z. J. Sun(Institute of High Energy Physics), Z. T. Sun(University of Science and Technology of China), C. J. Tang(Sichuan University), X. Tang(Institute of High Energy Physics), I. Tapan(36C), E. H. Thorndike(University of Rochester), D. Toth(University of Minnesota), M. Ullrich(Universitaet Giessen), I. Uman(36B), G. S. Varner(University of Hawaii), B. Wang(Nankai university), D. Wang(Peking University), D. Y. Wang(Peking University), K. Wang(Institute of High Energy Physics), L. L. Wang(Institute of High Energy Physics), L. S. Wang(Institute of High Energy Physics), M. Wang(Shandong University), P. Wang(Institute of High Energy Physics), P. L. Wang(Institute of High Energy Physics), Q. J. Wang(Institute of High Energy Physics), S. G. Wang(Peking University), W. Wang(Institute of High Energy Physics), X. F. Wang(Tsinghua University), Y. D. Wang(19A), Y. F. Wang(Institute of High Energy Physics), Y. Q. Wang(Johannes Gutenberg University of Mainz), Z. Wang(Institute of High Energy Physics), Z. G. Wang(Institute of High Energy Physics), Z. H. Wang(University of Science and Technology of China), Z. Y. Wang(Institute of High Energy Physics), D. H. Wei(Guangxi Normal University), J. B. Wei(Peking University), P. Weidenkaff(Johannes Gutenberg University of Mainz), S. P. Wen(Institute of High Energy Physics), M. Werner(Universitaet Giessen), U. Wiedner(, Bochum Ruhr-University, Germany), M. Wolke(Uppsala University), L. H. Wu(Institute of High Energy Physics), N. Wu(Institute of High Energy Physics), Z. Wu(Institute of High Energy Physics), L. G. Xia(Tsinghua University), Y. Xia(Hunan University), D. Xiao(Institute of High Energy Physics), Z. J. Xiao(Nanjing Normal University), Y. G. Xie(Institute of High Energy Physics), Q. L. Xiu(Institute of High Energy Physics), G. F. Xu(Institute of High Energy Physics), L. Xu(Institute of High Energy Physics), Q. J. Xu(Hangzhou Normal University), Q. N. Xu(University of Chinese Academy of Sciences), X. P. Xu(Soochow University), Z. Xue(Institute of High Energy Physics), L. Yan(University of Science and Technology of China), W. B. Yan(University of Science and Technology of China), W. C. Yan(University of Science and Technology of China), Y. H. Yan(Hunan University), H. X. Yang(Institute of High Energy Physics), L. Yang(Wuhan University), Y. Yang(Central China Normal University), Y. X. Yang(Guangxi Normal University), H. Ye(Institute of High Energy Physics), M. Ye(Institute of High Energy Physics), M. H. Ye(China Center of Advanced Science and Technology), B. X. Yu(Institute of High Energy Physics), C. X. Yu(Nankai university), H. W. Yu(Peking University), J. S. Yu(Lanzhou University), S. P. Yu(Shandong University), C. Z. Yuan(Institute of High Energy Physics), W. L. Yuan(Nanjing University), Y. Yuan(Institute of High Energy Physics), A. Yuncu(36B), A. A. Zafar(University of the Punjab), A. Zallo(19A), S. L. Zang(Nanjing University), Y. Zeng(Hunan University), B. X. Zhang(Institute of High Energy Physics), B. Y. Zhang(Institute of High Energy Physics), C. Zhang(Nanjing University), C. B. Zhang(Hunan University), C. C. Zhang(Institute of High Energy Physics), D. H. Zhang(Institute of High Energy Physics), H. H. Zhang(Sun Yat-Sen University), H. Y. Zhang(Institute of High Energy Physics), J. J. Zhang(Institute of High Energy Physics), J. Q. Zhang(Institute of High Energy Physics), J. W. Zhang(Institute of High Energy Physics), J. Y. Zhang(Institute of High Energy Physics), J. Z. Zhang(Institute of High Energy Physics), S. H. Zhang(Institute of High Energy Physics), X. J. Zhang(Institute of High Energy Physics), X. Y. Zhang(Shandong University), Y. Zhang(Institute of High Energy Physics), Y. H. Zhang(Institute of High Energy Physics), Z. H. Zhang(Central China Normal University), Z. P. Zhang(University of Science and Technology of China), Z. Y. Zhang(Wuhan University), G. Zhao(Institute of High Energy Physics), J. W. Zhao(Institute of High Energy Physics), Lei Zhao(University of Science and Technology of China), Ling Zhao(Institute of High Energy Physics), M. G. Zhao(Nankai university), Q. Zhao(Institute of High Energy Physics), Q. W. Zhao(Institute of High Energy Physics), S. J. Zhao(Zhengzhou University), T. C. Zhao(Institute of High Energy Physics), X. H. Zhao(Nanjing University), Y. B. Zhao(Institute of High Energy Physics), Z. G. Zhao(University of Science and Technology of China), A. Zhemchugov(21, b), B. Zheng(University of South China), J. P. Zheng(Institute of High Energy Physics), Y. H. Zheng(University of Chinese Academy of Sciences), B. Zhong(Nanjing Normal University), L. Zhou(Institute of High Energy Physics), Li Zhou(Nankai university), X. Zhou(Wuhan University), X. K. Zhou(University of Chinese Academy of Sciences), X. R. Zhou(University of Science and Technology of China), X. Y. Zhou(Institute of High Energy Physics), K. Zhu(Institute of High Energy Physics), K. J. Zhu(Institute of High Energy Physics), S. H. Zhu(Institute of High Energy Physics), X. L. Zhu(Tsinghua University), Y. C. Zhu(University of Science and Technology of China), Y. S. Zhu(Institute of High Energy Physics), Z. A. Zhu(Institute of High Energy Physics), J. Zhuang(Institute of High Energy Physics), B. S. Zou(Institute of High Energy Physics), J. H. Zou(Institute of High Energy Physics)

Based on a sample of (225.3\pm2.8)\times 10^{6} J/\psi events collected with the BESIII detector, the electromagnetic Dalitz decays of J/\psi \to P e^+e^-(P=\eta'/\eta/\pi^0) are studied. By reconstructing the pseudoscalar mesons in various decay mod

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3061::2c67d7092a085f6a7d0d22ad6224a9ba
http://www.openaccessrepository.it/record/17289