{"paper":{"title":"Measurement of $e^{+}e^{-} \\to \\pi^{0}\\pi^{0}\\psi(3686)$ at $\\sqrt{s}$ from 4.009 to 4.600 GeV and observation of a neutral charmoniumlike structure","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A.Amoroso, A.A.Zafar, A.Calcaterra, A.Dbeyssi, A.Denig, A.Hafner, A.Julin, A.Kupsc, A.Mustafa, A.Q.Guo, A.Sarantsev, A.Yuncu, A.Zhemchugov, B.C.Ke, B.J.Liu, B.Kloss, B.Kopf, B.Liu, B.L.Wang, B.S.Zou, B.T.Tsednee, B.Wang, B.X.Yu, B.X.Zhang, B.Y.Zhang, B.Zheng, B.Zhong, C.C.Zhang, C.D.Fu, C.Dong, C.F.Qiao, C.F.Redmer, Cheng Li, Ch.Rosner, C.Hu, C.J.Tang, C.Leng, C.Li, C.L.Luo, C.Morales Morales, C.P.Shen, C.Q.Feng, C.Schnier, C.Sowa, C.X.Liu, C.X.Yu, C.Z.Yuan, Dan Wang, D.Bettoni, D.Dedovich, D.H.Wei, D.H.Zhang, D.Liu, D.M.Li, D.P.Jin, D.Wang, D.W.Bennett, D.Xiao, D.X.Lin, D.Y.Wang, E.Boger, E.Fioravanti, F.A.Harris, Fang Liu, F.Bianchi, F.C.Ma, F.DeMori, F.E.Maas, Feng Liu, F.F.An, F.Feldbauer, F.H.Heinsius, F.H.Liu, F.Li, F.Nerling, F.Y.Li, G.Chelkov, G.Chen, G.Cibinetto, G.F.Cao, G.Felici, G.F.Xu, G.Li, G.Mezzadri, G.Morello, G.R.Liao, G.Rong, G.S.Huang, G.S.Varner, G.X.Sun, G.Y.Tang, G.Zhao, H.B.Li, H.B.Liu, H.Cai, H.H.Zhang, H.J.Li, H.J.Lu, H.J.Yang, H.L.Dai, H.Leithoff, H.Liang, H.L.Ma, H.M.Hu, H.M.Liu, H.Muramatsu, H.P.Peng, H.R.Qi, H.S.Chen, Huanhuan Liu, Huihui Liu, H.Xiao, H.X.Yang, H.Y.Sheng, H.Y.Zhang, I.B.Nikolaev, I.Boyko, I.Denysenko, I.Garzia, I.Tapan, I.Uman, J.B.Jiao, J.B.Liu, J.C.Chen, J.Chai, J.C.LI, J.Dong L.Y.Dong, J.Fang, J.F.Chang, J.F.Qiu, J.F.Sun, J.G.Lu, J.G.Messchendorp, J.H.Wei, J.H.Yin, J.H.Zou, Jin Li, J.J.Qin, J.J.Song, J .J.Xu, J.L.Ping, J.L.Zhang, J.M.Bian, J.Min, J.P.Dai, J.Pellegrino, J.Pettersson, J.P.Liu, J.P.Zheng, J.Q.Zhang, J.S.Huang, J.S.Lange, J.S.Yu, J.V.Bennett, J.W.Zhang, J.W.Zhao, J.Y.Liu, J.Y.Zhang, J.Y.Zhao, J.Z.Bai, J.Zhang, J.Zhuang, J.Z.Zhang, J.Z.Zhao, Kang Li, Ke Li, Ke Liu, K.Goetzen, K.H.Rashid, K.J.Zhu, K.L.He, K.Liu, K.Peters, K.Schoenning, K.Wang, K.Y.Liu, K.Zhang, K.Zhu, L.B.Guo, L.D.Liu, Lei Li, Lei Zhao, L.Fava, L.Gong, L.H.Wu, Ling Zhao, L.J.Wu, L.Koch, L.Lavezzi, L.L.Ma, L.L.Wang, L.S.Wang, L.Xia, L.Xu, L.Yan, L.Yang, L.Zhang, L.Zhou, L.Zotti, M.Ablikim, M.Albrecht, M.Bertani, M.Destefanis, M.Fritsch, M.Greco, M.G.Zhao, M.H.Gu, M.H.Ye, M.Kavatsyuk, M.Kornicer, M.Kuemmel, M.Kuhlmann, M.Lara, M.L.Chen, M.Maggiora, M.M.Ma, M.N.Achasov, M.Papenbrock, M.Pelizaeus, M.Qi, M.Richter, M.Ripka, M.Savri\\'e, M.Shao, M.Tiemens, M.Wang, M.Wolke, M.X.Luo, M.Y.Dong, M.Ye, N.Berger, N.Kalantar-Nayestanaki, N.Qin, N.Yu.Muchnoi, O.Bakina, O.B.Kolcu, O.Cakir, O.Dorjkhaidav, P.F.Duan, P.Kiese, P.Larin, P.L.Li, P.L.Liu, P.L.Wang, P.Musiol, P.Patteri, P.R.Li, P.Wang, P.Weidenkaff, P.X.Shen, Q.A.Malik, Q.An, Q.Gao, Q.Ji, Q.J.Xu, Q.Liu, Q.L.Xiu, Q.M.Ma, Q.N.Xu, Q.Ouyang, Q.P.Ji, Q.Y.Li, Q.Zhao, R.A.Briere, R.Baldini Ferroli, R.E.Mitchell, R.Farinelli, R.G.Ping, R.Kliemt, R.P.Guo, R.Poling, S.A.Cetin, S.Ahmed, S.B.Liu, S.Fegan, S.Gu, S.Han, S.H.Zhu, S.J.Chen, S.Jin, S.J.Zhao, S.L.Niu, S.L.Olsen, S.Marcello, S.Nisar, S.Pacetti, S.P.Wen, S.Qian, S.Q.Zhang, S.S.Fang, S.Sosio, S.Spataro, S.S.Sun, S.X.Du, S.Zhu, T.C.Zhao, T.Held, T.Holtmann, T.Hu, T.Hussain, T.J.Min, T.Johansson, T.Khan, T.Li, T.Luo, T.Ma, T.Weber, U.Wiedner, V.Prasad, W.B.Yan, W.C.Yan, W.D.Li, W.G.Li, W.Gradl, W.Ikegami Andersson, W.J.Zheng, W.K\\\"uhn, W. M.Song, W.P.Wang, W.Shan, W.X.Gong, X.A.Xiong, X.B.Ji, X.Cai, X.C.Lou, X.D.Ruan, X.Fang, X.F.Wang, X.H.Mo, X.H.Sun, X.K.Chu, X.K.Zhou, X.L.Gao, X.Liu, X.L.Ji, X.L.Kang, X.L.Li, X.L.Luo, X.L.Zhu, X.N.Li, X.N.Ma, X.P.Xu, X.Q.Hao, X.Q.He, X.Q.Li, X.R.Chen, X.R.Lyu, X.R.Zhou, X.S.Jiang, X.S.Kang, X.S.Qin, X.Tang, X.T.Huang, X.Y.Jiang, X.Y.Ma, X.Y.Niu, X.Y.Shen, X.Y.Song, X.Y.Zhang, X.Y.Zhou, X.Zhou, X.Z.Huang, Yang Zhang, Yao Zhang, Y.Ban, Y.B.Chen, Y.B.Liu, Y.B.Zhao, Y.C.Zhu, Y.Ding, Y.D.Wang, Y.Fang, Y.F.Liang, Y.F.Long, Y.F.Wang, Y.Gao, Y.G.Gao, Y.G.Xie, Y.Hu, Y.H.Xie, Y.H.Yan, Y.H.Yang, Y.H.Zhang, Y.H.Zheng, Y.J.Mao, Y.J.Mo, Y.J.Sun, Y.J.Xiao, Y.K.Heng, Y.KSun, Y.LU, Y.M.Ma, Y.Nefedov, Y.Pan, Y.P.Guo, Y.P.Lu, Y.Q.Wang, Y.S.Zhu, Y.T.Gu, Y.T.Liang, Y.T.Zhang, Yu Zhang, Y.Wang, Y.Xia, Y.X.Yang, Y.X.Zhou, Y.Y.Liu, Y.Yuan, Y.Zeng, Y.Z.Sun, Z.A.Liu, Z.A.Zhu, Z.B.Li, Z.Gao, Z.G.Wang, Z.G.Zhao, Z.Haddadi, Zhiqing Liu, Z.H.Qin, Z.H.Wang, Z.H.Zhang, Z.Jiao, Z.J.Sun, Z.J.Xiao, Z.L.Dou, Z.L.Hou, Z.L.Huang, Z.Ning, Zongyuan Wang, Z.P.Mao, Z.P.Zhang, Z.T. Sun, Z.Wang, Z.Wu, Z.Y.Deng, Z.Y.Wang, Z.Y.You, Z.Y.Zhang, Z.Zeng","submitted_at":"2017-10-30T01:57:26Z","abstract_excerpt":"Using $e^{+}e^{-}$ collision data collected with the BESIII detector at the BEPCII collider corresponding to an integrated luminosity of 5.2 $fb^{-1}$ at center-of-mass energies ($\\sqrt{s}$) from 4.009 to 4.600 GeV, the process $e^{+}e^{-} \\to \\pi^{0} \\pi^{0}\\psi(3686)$ is studied for the first time. The corresponding Born cross sections are measured and found to be half of those of the reaction $e^{+}e^{-} \\to \\pi^{+}\\pi^{-}\\psi(3686)$. This is consistent with the expectation from isospin symmetry. Furthermore, the Dalitz plots for $\\pi^{0}\\pi^{0}\\psi(3686)$ are accordant with those of $\\pi^{"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.10740","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}