{"paper":{"title":"Branching fraction measurement of $J/\\psi \\rightarrow K_S K_L$ and search for $J/\\psi \\rightarrow K_S K_S$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A.Amoroso, A.A.Zafar, A.Calcaterra, A.Dbeyssi, A.Denig, A.Julin, A.Khoukaz, A.Kupsc, A.Mustafa, A.Pitka, A.Q.Guo, A.Sarantsev, A.Yuncu, A.Zhemchugov, B.C.Ke, BESIII Collaboration:M.Ablikim, B. Garillon, B.J.Liu, 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.Liu, 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, 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, J.Fang, J.F.Chang, J.F.Hu, 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.Song, J.J.Xu, J.L.Ping, J.L.Zhang, J.M.Bian, J.Min, J.P.Dai, J.Pellegrino, J.Pettersson, 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.Zhu, J.Zhuang, J.Z.Zhang, J.Z.Zhao, Ke Liu, K.Goetzen, K.H.Rashid, K.J.Li, K.J.Zhu, K.L.He, K.Li, 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.Sun, L.S.Wang, L.Xia, L.Xu, L.Yan, L.Yang, L.Y.Dong, L.Zhang, L.Zhou, M.Albrecht, M.Alekseev, 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.Rolo, 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.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.Huang, 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.Ma, T.Weber, T.Y.Qi, 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.Fang, X.F. Wang, X.H.Mo, X.H.Sun, X.H.Xie, 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, Y.Bai, 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.Jin, 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.Yuan, Y.Zeng, Y.Zhang, 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.X.Chen, Z.X.Meng, Z.Y.Deng, Z.Y.Wang, Z.Y.You, Z.Y.Zhang, Z.Zeng","submitted_at":"2017-10-16T14:33:42Z","abstract_excerpt":"Using a sample of $1.31 \\times 10^{9}$ $J/\\psi$ events collected with the BESIII detector at the BEPCII collider, we study the decays of $J/\\psi \\rightarrow K_S K_L$ and $K_S K_S$. The branching fraction of$J/\\psi\\rightarrow K_S K_L$ is determined to be ${\\cal B}(J/\\psi \\rightarrow K_S K_L)=(1.93\\pm0.01~(\\rm{stat.})\\pm0.05~(\\rm{syst.}))\\times10^{-4}$, which significantly improves on previous measurements. No clear signal is observed for the $J/\\psi \\rightarrow K_S K_S$ process, and the upper limit at the 95% confidence level for its branching fraction is determined to be ${\\cal B}(J/\\psi \\righ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.05738","kind":"arxiv","version":2},"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"}