/ hep-ex arXiv:1709.00018


Study of $J/\psi$ and $\psi(3686)$ decays to $\pi^+\pi^-\eta^\prime$


Ablikim, M. (Beijing, Inst. High Energy Phys.) ; Achasov, M.N. (Novosibirsk, IYF) ; Ahmed, S. (Helmholtz Inst., Mainz) ; Albrecht, M. (Ruhr U., Bochum) ; Amoroso, A. (Turin U.) ; An, F.F. (Beijing, Inst. High Energy Phys.) ; An, Q. (Hefei, CUST) ; Bai, J.Z. (Beijing, Inst. High Energy Phys.) ; Bai, Y. (Wisconsin U., Madison) ; Bakina, O. (Dubna, JINR) ; Ferroli, R. Baldini (Frascati) ; Ban, Y. (Peking U.) ; Bennett, D.W. (Indiana U.) ; Bennett, J.V. (Carnegie Mellon U.) ; Berger, N. (Annecy, LAPP) ; Bertani, M. (Frascati) ; Bettoni, D. (INFN, Ferrara) ; Bian, J.M. (Minnesota U.) ; Bianchi, F. (INFN, Turin) ; Boger, E. (Dubna, JINR) ; Boyko, I. (Dubna, JINR) ; Briere, R.A. (Carnegie Mellon U.) ; Cai, H. (Lanzhou U.) ; Cai, X. (Beijing, Inst. High Energy Phys.) ; Cakir, O. (Ankara U.) ; Calcaterra, A. (Beijing, Inst. High Energy Phys.) ; Cao, G.F. (Beijing, Inst. High Energy Phys.) ; Cetin, S.A. (Istanbul Bilgi U.) ; Chai, J. (INFN, Turin) ; Chang, J.F. (CUST, SKLPDE) ; Chelkov, G. (Dubna, JINR) ; Chen, G. (Beijing, Inst. High Energy Phys.) ; Chen, H.S. (Beijing, Inst. High Energy Phys.) ; Chen, J.C. (Beijing, Inst. High Energy Phys.) ; Chen, M.L. (CUST, SKLPDE) ; Chen, P.L. ; Chen, S.J. (Nanjing U.) ; Chen, X.R. (Lanzhou U.) ; Chen, Y.B. (CUST, SKLPDE) ; Chu, X.K. (Peking U.) ; Cibinetto, G. (INFN, Ferrara) ; Dai, H.L. (CUST, SKLPDE) ; Dai, J.P. (Shanghai, Jiao Tong U.) ; Dbeyssi, A. (Helmholtz Inst., Mainz) ; Dedovich, D. (Dubna, JINR) ; Deng, Z.Y. (Beijing, Inst. High Energy Phys.) ; Denig, A. (Mainz U., Inst. Kernphys.) ; Denysenko, I. (Dubna, JINR) ; Destefanis, M. (U. Giessen, II. Phys. Inst.) ; De Mori, F. (INFN, Turin) ; Ding, Y. (Liaoning U.) ; Dong, C. (Nankai U.) ; Dong, J. (Beijing, Inst. High Energy Phys.) ; Dong, L.Y. (Beijing, Inst. High Energy Phys.) ; Dong, M.Y. (CUST, SKLPDE) ; Dorjkhaidav, O. (Ulan Bator, Inst. Phys. Tech.) ; Dou, Z.L. (Nanjing U.) ; Du, S.X. (Zhengzhou U.) ; Duan, P.F. (Beijing, Inst. High Energy Phys.) ; Fang, J. (Beijing, Inst. High Energy Phys.) ; Fang, S.S. (Beijing, Inst. High Energy Phys.) ; Fang, Y. (Osaka U.) ; Farinelli, R. (INFN, Ferrara) ; Fava, L. (INFN, Turin) ; Fegan, S. (Glasgow U.) ; Feldbauer, F. (Mainz U., Inst. Kernphys.) ; Felici, G. (Beijing, Inst. High Energy Phys.) ; Feng, C.Q. (Hefei, CUST) ; Fioravanti, E. (INFN, Ferrara) ; Fritsch, M. (Ruhr U., Bochum) ; Fu, C.D. (Beijing, Inst. High Energy Phys.) ; Gao, Q. (Tibet U.) ; Gao, X.L. (Hefei, CUST) ; Gao, Y. (Peking U., CHEP) ; Gao, Y.G. (Hua-Zhong Normal U.) ; Gao, Z. (Taiwan, Natl. Taiwan U.) ; Garzia, I. (INFN, Ferrara) ; Goetzen, K. (Darmstadt, GSI) ; Gong, L. (Nankai U.) ; Gong, W.X. (CUST, SKLPDE) ; Gradl, W. (Mainz U.) ; Greco, M. (INFN, Turin) ; Gu, M.H. (CUST, SKLPDE) ; Gu, S. (Henan Normal U.) ; Gu, Y.T. (Guangxi U.) ; Guo, A.Q. (Beijing, Inst. High Energy Phys.) ; Guo, L.B. (Nanjing Normal U.) ; Guo, R.P. (Beijing, Inst. High Energy Phys.) ; Guo, Y.P. (Mainz U., Inst. Kernphys.) ; Haddadi, Z. (Groningen, KVI) ; Han, S. (Wuhan U.) ; Hao, X.Q. (Henan Normal U.) ; Harris, F.A. (Hawaii U.) ; He, K.L. (Beijing, Inst. High Energy Phys.) ; He, X.Q. (USTL, Anshan) ; Heinsius, F.H. (Freiburg U.) ; Held, T. (Ruhr U., Bochum) ; Heng, Y.K. (CUST, SKLPDE) ; Holtmann, T. (Ruhr U., Bochum) ; Hou, Z.L. (Beijing, Inst. High Energy Phys.) ; Hu, C. (Nanjing Normal U.) ; Hu, H.M. (Beijing, Inst. High Energy Phys.) ; Hu, T. (Beijing, Inst. High Energy Phys.) ; Hu, Y. (Beijing, Inst. High Energy Phys.) ; Huang, G.S. (Hefei, CUST) ; Huang, J.S. (Henan Normal U.) ; Huang, X.T. (Shandong U.) ; Huang, X.Z. (Nanjing U.) ; Huang, Z.L. (Liaoning U.) ; Hussain, T. (Aligarh Muslim U.) ; Ikegami Andersson, W. ; Ji, Q. (Beijing, Inst. High Energy Phys.) ; Ji, Q.P. (Henan Normal U.) ; Ji, X.B. (Beijing, Inst. High Energy Phys.) ; Ji, X.L. (CUST, SKLPDE) ; Jiang, X.S. (CUST, SKLPDE) ; Jiang, X.Y. (Nankai U.) ; Jiao, J.B. (Shandong U.) ; Jiao, Z. (Huangshan U.) ; Jin, D.P. (CUST, SKLPDE) ; Jin, S. (Nanjing U., Dept. Astron.) ; Jin, Y. (Tokyo U.) ; Johansson, T. (Uppsala U.) ; Julin, A. (Minnesota U.) ; Kalantar-Nayestanaki, N. (Groningen, KVI) ; Kang, X.L. (Beijing, Inst. High Energy Phys.) ; Kang, X.S. (Nankai U.) ; Kavatsyuk, M. (Groningen, KVI) ; Ke, B.C. (Carnegie Mellon U.) ; Khan, T. (Hefei, CUST) ; Khoukaz, A. (Munster U.) ; Kiese, P. (Mainz U., Inst. Kernphys.) ; Kliemt, R. (Darmstadt, GSI) ; Koch, L. (Aachen, Tech. Hochsch.) ; Kolcu, O.B. (Istanbul Bilgi U.) ; Kopf, B. (Ruhr U., Bochum) ; Kornicer, M. (Hawaii U.) ; Kuemmel, M. (Ruhr U., Bochum) ; Kuhlmann, M. (Ruhr U., Bochum) ; Kupsc, A. (Uppsala U.) ; Kühn, W. (U. Giessen, II. Phys. Inst.) ; Lange, J.S. (Giessen U.) ; Lara, M. (Indiana U.) ; Larin, P. (Helmholtz Inst., Mainz) ; Lavezzi, L. (INFN, Turin) ; Leithoff, H. (Mainz U., Inst. Kernphys.) ; Leng, C. (INFN, Turin) ; Li, C. (Shandong U.) ; Li, Cheng (Hefei, CUST) ; Li, D.M. (Zhengzhou U.) ; Li, F. (Beijing, Inst. High Energy Phys.) ; Li, F.Y. (Peking U.) ; Li, G. (Beijing, Inst. High Energy Phys.) ; Li, H.B. (Beijing, Inst. High Energy Phys.) ; Li, H.J. (Tibet U.) ; Li, J.C. (Beijing, Inst. High Energy Phys.) ; Li, Jin (Chongqing Jiaotong U., Math. Phys.) ; Li, K.J. ; Li, Kang (Hangzhou Normal U.) ; Li, Ke (Brookhaven) ; Li, Lei (Beijing Inst. Petrochem. Tech.) ; Li, P.L. (Hefei, CUST) ; Li, P.R. (CCAST World Lab, Beijing) ; Li, Q.Y. (Shandong U.) ; Li, T. (NAOC, Beijing) ; Li, W.D. (Beijing, Inst. High Energy Phys.) ; Li, W.G. (Beijing, Inst. High Energy Phys.) ; Li, X.L. (Shandong U.) ; Li, X.N. (CUST, SKLPDE) ; Li, X.Q. (Nankai U.) ; Li, Z.B. (Zhongshan U.) ; Liang, H. (Hefei, CUST) ; Liang, Y.F. (Sichuan U.) ; Liang, Y.T. (U. Giessen, II. Phys. Inst.) ; Liao, G.R. (Guangxi Normal U.) ; Lin, D.X. (Helmholtz Inst., Mainz) ; Liu, B. (Peking U., CHEP) ; Liu, B.J. (Beijing, Inst. High Energy Phys.) ; Liu, C.X. (Beijing, Inst. High Energy Phys.) ; Liu, D. (Heidelberg, Max Planck Inst. Astron.) ; Liu, F.H. (Shanxi U.) ; Liu, Fang (Beijing, Inst. High Energy Phys.) ; Liu, Feng (Hua-Zhong Normal U., LQLP) ; Liu, H.B. (Guangxi U.) ; Liu, H.M. (Beijing, Inst. High Energy Phys.) ; Liu, Huanhuan (Beijing, Inst. High Energy Phys.) ; Liu, Huihui (Henan U. Sci. Technol.) ; Liu, J.B. (Hefei, CUST) ; Liu, J.P. (Wuhan U.) ; Liu, J.Y. (Beijing, Inst. High Energy Phys.) ; Liu, K. (Tsinghua U., Beijing) ; Liu, K.Y. (Liaoning U.) ; Liu, Ke (CCNU, Wuhan, Inst. Part. Phys.) ; Liu, L.D. (Peking U.) ; Liu, P.L. (CUST, SKLPDE) ; Liu, Q. (Beijing, GUCAS) ; Liu, S.B. (Hefei, CUST) ; Liu, X. (UCLA) ; Liu, Y.B. (Nankai U.) ; Liu, Z.A. (CUST, SKLPDE) ; Liu, Zhiqing (Mainz U.) ; Long, Y.F. (Peking U.) ; Lou, X.C. (CUST, SKLPDE) ; Lu, H.J. (Huangshan U.) ; Lu, J.G. (CUST, SKLPDE) ; Lu, Y. (Beijing, Inst. High Energy Phys.) ; Lu, Y.P. (CUST, SKLPDE) ; Luo, C.L. (Nanjing Normal U.) ; Luo, M.X. (Hangzhou, Zhejiang U.) ; Luo, X.L. (CUST, SKLPDE) ; Lyu, X.R. (Beijing, GUCAS) ; Ma, F.C. (Liaoning U.) ; Ma, H.L. (Beijing, Inst. High Energy Phys.) ; Ma, L.L. (Shandong U.) ; Ma, M.M. (Beijing, Inst. High Energy Phys.) ; Ma, Q.M. (Beijing, Inst. High Energy Phys.) ; Ma, T. (Beijing, Inst. High Energy Phys.) ; Ma, X.N. (Nankai U.) ; Ma, X.Y. (CUST, SKLPDE) ; Ma, Y.M. (Shandong U.) ; Maas, F.E. (Helmholtz Inst., Mainz) ; Maggiora, M. (INFN, Turin) ; Malik, Q.A. (Punjab U.) ; Mao, Y.J. (Peking U.) ; Mao, Z.P. (Beijing, Inst. High Energy Phys.) ; Marcello, S. (INFN, Turin) ; Meng, Z.X. ; Messchendorp, J.G. (Groningen, KVI) ; Mezzadri, G. (INFN, Ferrara) ; Min, J. (Beijing, Inst. High Energy Phys.) ; Min, T.J. (Beijing, Inst. High Energy Phys.) ; Mitchell, R.E. (Indiana U.) ; Mo, X.H. (CUST, SKLPDE) ; Mo, Y.J. (Hua-Zhong Normal U.) ; Morales Morales, C. ; Morello, G. (Beijing, Inst. High Energy Phys.) ; Muchnoi, N. Yu. (Novosibirsk, IYF) ; Muramatsu, H. (Minnesota U.) ; Musiol, P. (Ruhr U., Bochum) ; Mustafa, A. (Ruhr U., Bochum) ; Nefedov, Y. (Dubna, JINR) ; Nerling, F. (Mainz U., Inst. Kernphys.) ; Nikolaev, I.B. (Novosibirsk, IYF) ; Ning, Z. (Beijing, Inst. High Energy Phys.) ; Nisar, S. (COMSATS, Lahore) ; Niu, S.L. (CUST, SKLPDE) ; Niu, X.Y. (Beijing, Inst. High Energy Phys.) ; Olsen, S.L. (Seoul Natl. U. (main)) ; Ouyang, Q. (Beijing, Inst. High Energy Phys.) ; Pacetti, S. (Perugia U.) ; Pan, Y. (Hefei, CUST) ; Papenbrock, M. (Uppsala U.) ; Patteri, P. (Beijing, Inst. High Energy Phys.) ; Pelizaeus, M. (Ruhr U., Bochum) ; Pellegrino, J. (INFN, Turin) ; Peng, H.P. (Hefei, CUST) ; Peters, K. (Darmstadt, GSI) ; Pettersson, J. (Uppsala U.) ; Ping, J.L. (Nanjing Normal U.) ; Ping, R.G. (Beijing, Inst. High Energy Phys.) ; Pitka, A. (U. Giessen, II. Phys. Inst.) ; Poling, R. (Minnesota U.) ; Prasad, V. (Hefei, CUST) ; Qi, H.R. (Beihang U.) ; Qi, M. (Nanjing U.) ; Qian, S. (Beijing, Inst. High Energy Phys.) ; Qiao, C.F. (Beijing, GUCAS) ; Qin, N. (Wuhan U.) ; Qin, X.S. (Beijing, Inst. High Energy Phys.) ; Qin, Z.H. (CUST, SKLPDE) ; Qiu, J.F. (Beijing, Inst. High Energy Phys.) ; Rashid, K.H. (Punjab U.) ; Redmer, C.F. (Mainz U., Inst. Kernphys.) ; Richter, M. (Oslo U.) ; Ripka, M. (Mainz U., Inst. Kernphys.) ; Rolo, M. ; Rong, G. (Beijing, Inst. High Energy Phys.) ; Rosner, Ch. (Helmholtz Inst., Mainz) ; Ruan, X.D. (Guangxi U.) ; Sarantsev, A. (Dubna, JINR) ; Savrié, M. (INFN, Ferrara) ; Schnier, C. (Ruhr U., Bochum) ; Schoenning, K. (Uppsala U.) ; Shan, W. (Peking U.) ; Shao, M. (Hefei, CUST) ; Shen, C.P. (Beihang U.) ; Shen, P.X. (Nankai U.) ; Shen, X.Y. (Beijing, Inst. High Energy Phys.) ; Sheng, H.Y. (Beijing, Inst. High Energy Phys.) ; Song, J.J. (Shandong U.) ; Song, W.M. (Beijing, Inst. High Energy Phys.) ; Song, X.Y. (Beijing, Inst. High Energy Phys.) ; Sosio, S. (INFN, Turin) ; Sowa, C. (Ruhr U., Bochum) ; Spataro, S. (INFN, Turin) ; Sun, G.X. (Beijing, Inst. High Energy Phys.) ; Sun, J.F. (Henan Normal U.) ; Sun, L. (Melbourne U.) ; Sun, S.S. (Beijing, Inst. High Energy Phys.) ; Sun, X.H. (Beijing, Inst. High Energy Phys.) ; Sun, Y.J. (Hefei, CUST) ; Sun, Y. K (Hefei, CUST) ; Sun, Y.Z. (Beijing, Inst. High Energy Phys.) ; Sun, Z.J. (CUST, SKLPDE) ; Sun, Z.T. (Indiana U.) ; Tang, C.J. (Sichuan U.) ; Tang, G.Y. (Beijing, Inst. High Energy Phys.) ; Tang, X. (Beijing, Inst. High Energy Phys.) ; Tapan, I. (Uludag U.) ; Tiemens, M. (Groningen, KVI) ; Tsednee, B.T. (Ulan Bator, Inst. Phys. Tech.) ; Uman, I. (Eastern Mediterranean U.) ; Varner, G.S. (Hawaii U.) ; Wang, B. (Beijing, Inst. High Energy Phys.) ; Wang, B.L. (Beijing, GUCAS) ; Wang, D. (Xian Jiaotong U.) ; Wang, D.Y. (Peking U.) ; Wang, Dan (Beijing, GUCAS) ; Wang, K. (DESY) ; Wang, L.L. (Beijing, Inst. High Energy Phys.) ; Wang, L.S. (Beijing, Inst. High Energy Phys.) ; Wang, M. (Hua-Zhong Normal U.) ; Wang, P. (Beijing, Inst. High Energy Phys.) ; Wang, P.L. (Beijing, Inst. High Energy Phys.) ; Wang, W.P. (Hefei, CUST) ; Wang, X.F. (Tsinghua U., Beijing) ; Wang, Y. (UCLA) ; Wang, Y.D. (Helmholtz Inst., Mainz) ; Wang, Y.F. (Hong Kong, Chinese U.) ; Wang, Y.Q. (Mainz U., Inst. Kernphys.) ; Wang, Z. (Baruch Coll.) ; Wang, Z.G. (CUST, SKLPDE) ; Wang, Z.Y. (Beijing, Inst. High Energy Phys.) ; Wang, Zongyuan (Beijing, Inst. High Energy Phys.) ; Weber, T. (Mainz U., Inst. Kernphys.) ; Wei, D.H. (Guangxi Normal U.) ; Wei, J.H. ; Weidenkaff, P. (Mainz U., Inst. Kernphys.) ; Wen, S.P. (Beijing, Inst. High Energy Phys.) ; Wiedner, U. (Ruhr U., Bochum) ; Wolke, M. (Uppsala U.) ; Wu, L.H. (Beijing, Inst. High Energy Phys.) ; Wu, L.J. (Beijing, Inst. High Energy Phys.) ; Wu, Z. (Beijing, Inst. High Energy Phys.) ; Xia, L. (Argonne (main)) ; Xia, Y. (Hunan U.) ; Xiao, D. (Beijing, Inst. High Energy Phys.) ; Xiao, H. (U. South China, Hengyang) ; Xiao, Y.J. (Beijing, Inst. High Energy Phys.) ; Xiao, Z.J. (Nanjing Normal U.) ; Xie, Y.G. (CUST, SKLPDE) ; Xie, Y.H. (Hua-Zhong Normal U.) ; Xiong, X.A. (Beijing, Inst. High Energy Phys.) ; Xiu, Q.L. (CUST, SKLPDE) ; Xu, G.F. (Beijing, Inst. High Energy Phys.) ; Xu, J.J. (Beijing, Inst. High Energy Phys.) ; Xu, L. (Beijing, Inst. High Energy Phys.) ; Xu, Q.J. (Hangzhou Normal U.) ; Xu, Q.N. (Beijing, GUCAS) ; Xu, X.P. (Suzhou, Soochow U.) ; Yan, L. (Turin U.) ; Yan, W.B. (Hefei, CUST) ; Yan, W.C. (Hefei, CUST) ; Yan, Y.H. (Hunan U.) ; Yang, H.J. (Shanghai, Jiao Tong U.) ; Yang, H.X. (Beijing, Inst. High Energy Phys.) ; Yang, L. (Nova Gorica U.) ; Yang, Y.H. (Nanjing U.) ; Yang, Y.X. (Guangxi Normal U.) ; Ye, M. (Beijing, Inst. High Energy Phys.) ; Ye, M.H. (CCAST World Lab, Beijing) ; Yin, J.H. (Beijing, Inst. High Energy Phys.) ; You, Z.Y. (Zhongshan U.) ; Yu, B.X. (CUST, SKLPDE) ; Yu, C.X. (Nankai U.) ; Yu, J.S. (Lanzhou U.) ; Yuan, C.Z. (Beijing, Inst. High Energy Phys.) ; Yuan, Y. (Beijing, Inst. High Energy Phys.) ; Yuncu, A. (Istanbul Bilgi U.) ; Zafar, A.A. (Punjab U.) ; Zeng, Y. (Hunan U.) ; Zeng, Z. (Hefei, CUST) ; Zhang, B.X. (Beijing, Inst. High Energy Phys.) ; Zhang, B.Y. (CUST, SKLPDE) ; Zhang, C.C. (Beijing, Inst. High Energy Phys.) ; Zhang, D.H. (Beijing, Inst. High Energy Phys.) ; Zhang, H.H. (Zhongshan U.) ; Zhang, H.Y. (CUST, SKLPDE) ; Zhang, J. (Beijing, Inst. High Energy Phys.) ; Zhang, J.L. (Beijing, Inst. High Energy Phys.) ; Zhang, J.Q. (Beijing, Inst. High Energy Phys.) ; Zhang, J.W. (CUST, SKLPDE) ; Zhang, J.Y. (Beijing, Inst. High Energy Phys.) ; Zhang, J.Z. (Beijing, Inst. High Energy Phys.) ; Zhang, K. (Beijing, Inst. High Energy Phys.) ; Zhang, L. (Texas Tech.) ; Zhang, S.Q. (Nankai U.) ; Zhang, X.Y. (Beijing, Inst. High Energy Phys.) ; Zhang, Y.H. (Beijing, GUCAS) ; Zhang, Y.T. (Hefei, CUST) ; Zhang, Yang (Beijing, Inst. High Energy Phys.) ; Zhang, Yao (Beijing, Inst. High Energy Phys.) ; Zhang, Yu (Beijing, GUCAS) ; Zhang, Z.H. (Hua-Zhong Normal U.) ; Zhang, Z.P. (Hefei, CUST) ; Zhang, Z.Y. (Wuhan U.) ; Zhao, G. (Beijing, Inst. High Energy Phys.) ; Zhao, J.W. (CUST, SKLPDE) ; Zhao, J.Y. (Beijing, Inst. High Energy Phys.) ; Zhao, J.Z. (CUST, SKLPDE) ; Zhao, Lei (Hefei, CUST) ; Zhao, Ling (Beijing, Inst. High Energy Phys.) ; Zhao, M.G. (Nankai U.) ; Zhao, Q. (Beijing, Inst. High Energy Phys.) ; Zhao, S.J. (Zhengzhou U.) ; Zhao, T.C. (Beijing, Inst. High Energy Phys.) ; Zhao, Y.B. (CUST, SKLPDE) ; Zhao, Z.G. (Hefei, CUST) ; Zhemchugov, A. (Dubna, JINR) ; Zheng, B. (Michigan U., MCTP) ; Zheng, J.P. (CUST, SKLPDE) ; Zheng, W.J. (Shandong U.) ; Zheng, Y.H. (Beijing, GUCAS) ; Zhong, B. (Nanjing Normal U.) ; Zhou, L. (Beijing, Inst. High Energy Phys.) ; Zhou, X. (NAOC, Beijing) ; Zhou, X.K. (Hefei, CUST) ; Zhou, X.R. (Hefei, CUST) ; Zhou, X.Y. (Beijing, Inst. High Energy Phys.) ; Zhou, Y.X. (Guangxi U.) ; Zhu, J. (Hua-Zhong Normal U.) ; Zhu, K. (Caltech) ; Zhu, K.J. (CUST, SKLPDE) ; Zhu, S. (Potsdam, Max Planck Inst.) ; Zhu, S.H. (USTL, Anshan) ; Zhu, X.L. (Tsinghua U., Beijing) ; Zhu, Y.C. (Hefei, CUST) ; Zhu, Y.S. (Beijing, Inst. High Energy Phys.) ; Zhu, Z.A. (Beijing, Inst. High Energy Phys.) ; Zhuang, J. (Beijing, Inst. High Energy Phys.) ; Zou, B.S. (Beijing, Inst. High Energy Phys.) ; Zou, J.H. (Beijing, Inst. High Energy Phys.)

Pages: 13

Abstract: Using the data samples of $1.31\times 10^9$ $J/\psi$ events and $4.48\times 10^8$ $\psi(3686)$ events collected with the BESIII detector, partial wave analyses on the decays $J/\psi$ and $\psi(3686) \to \pi^+\pi^-\eta^\prime$ are performed with a relativistic covariant tensor amplitude approach. The dominant contribution is found to be $J/\psi$ and $\psi(3686)$ decays to $\rho\eta^\prime$. In the $J/\psi$ decay, the branching fraction ${\cal B}(J/\psi\to \rho\eta^\prime)$ is determined to be $(7.90\pm0.19(\mathrm{stat})\pm0.49(\mathrm{sys}))\times 10^{-5}$. Two solutions are found in the $\psi(3686)$ decay, and the corresponding branching fraction ${\cal B}(\psi(3686)\to \rho\eta^\prime)$ is $(1.02\pm0.11(\mathrm{stat})\pm0.24(\mathrm{sys}))\times 10^{-5}$ for the case of constructive interference, and $(5.69\pm1.28(\mathrm{stat})\pm2.36(\mathrm{sys}))\times 10^{-6}$ for destructive interference. As a consequence, the ratios of branching fractions between $\psi(3686)$ and $J/\psi$ decays to $\rho\eta^\prime$ are calculated to be $(12.9\pm1.4(\mathrm{stat})\pm3.1(\mathrm{sys}))$\% and $(7.2\pm1.6(\mathrm{stat})\pm3.0(\mathrm{sys}))$\%, respectively. We also determine the inclusive branching fractions of $J/\psi$ and $\psi(3686)$ decays to $\pi^+\pi^-\eta^\prime$ to be $(1.36\pm0.02(\mathrm{stat})\pm0.08(\mathrm{sys}))\times 10^{-4}$ and $(1.51\pm0.14(\mathrm{stat})\pm 0.23(\mathrm{sys}))\times 10^{-5}$, respectively.

Web-Page: http://inspirehep.net/record/1621266/files/arXiv:1709.00018.pdf; http://inspirehep.net/record/1621266/files/figure1.png; http://inspirehep.net/record/1621266/files/figure4.png; http://inspirehep.net/record/1621266/files/figure3.png; http://inspirehep.net/record/1621266/files/figure5.png; http://inspirehep.net/record/1621266/files/figure2.png


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