Search for the isospin violating decay $Y(4260)\rightarrow J/ψηπ^{0}$
Creators: name: Ablikim, M.
name: Achasov, M. N.
name: Ai, X. C.
name: Albayrak, O.
name: Albrecht, M.
name: Ambrose, D. J.
name: Amoroso, A.
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name: Ferroli, R. Baldini
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name: Bennett, D. W.
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name: Cakir, O.
name: Calcaterra, A.
name: Cao, G. F.
name: Cetin, S. A.
name: Chang, J. F.
name: Chelkov, G.
name: Chen, G.
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name: Chen, J. C.
name: Chen, M. L.
name: Chen, S. J.
name: Chen, X.
name: Chen, X. R.
name: Chen, Y. B.
name: Cheng, H. P.
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name: Cibinetto, G.
name: Cronin-Hennessy, D.
name: Dai, H. L.
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name: Dbeyssi, A.
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name: Destefanis, M.
name: De Mori, F.
name: Ding, Y.
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name: Fang, S. S.
name: Fang, X.
name: Fang, Y.
name: Fava, L.
name: Feldbauer, F.
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name: Feng, C. Q.
name: Fioravanti, E.
name: Fritsch, M.
name: Fu, C. D.
name: Gao, Q.
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name: Gao, Y.
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name: Gradl, W.
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name: Hafner, A.
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name: Liu, X. X.
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name: Liu, Zhiqing
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name: Rashid, K. H.
name: Redmer, C. F.
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name: Ripka, M.
name: Rong, G.
name: Ruan, X. D.
name: Santoro, V.
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name: Shao, M.
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name: Tang, X.
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name: Toth, D.
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name: Uman, I.
name: Varner, G. S.
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name: Zhang, H. H.
name: Zhang, H. Y.
name: Zhang, J. J.
name: Zhang, J. L.
name: Zhang, J. Q.
name: Zhang, J. W.
name: Zhang, J. Y.
name: Zhang, J. Z.
name: Zhang, K.
name: Zhang, L.
name: Zhang, S. H.
name: Zhang, X. Y.
name: Zhang, Y.
name: Zhang, Y. H.
name: Zhang, Y. T.
name: Zhang, Z. H.
name: Zhang, Z. P.
name: Zhang, Z. Y.
name: Zhao, G.
name: Zhao, J. W.
name: Zhao, J. Y.
name: Zhao, J. Z.
name: Zhao, Lei
name: Zhao, Ling
name: Zhao, M. G.
name: Zhao, Q.
name: Zhao, Q. W.
name: Zhao, S. J.
name: Zhao, T. C.
name: Zhao, Y. B.
name: Zhao, Z. G.
name: Zhemchugov, A.
name: Zheng, B.
name: Zheng, J. P.
name: Zheng, W. J.
name: Zheng, Y. H.
name: Zhong, B.
name: Zhou, L.
name: Zhou, Li
name: Zhou, X.
name: Zhou, X. K.
name: Zhou, X. R.
name: Zhou, X. Y.
name: Zhu, K.
name: Zhu, K. J.
name: Zhu, S.
name: Zhu, X. L.
name: Zhu, Y. C.
name: Zhu, Y. S.
name: Zhu, Z. A.
name: Zhuang, J.
name: Zotti, L.
name: Zou, B. S.
name: Zou, J. H.
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: Using data samples collected at center of mass energies of $\sqrt{s}$ = 4.009, 4.226, 4.257, 4.358, 4.416 and 4.599 GeV with the BESIII detector operating at the BEPCII storage ring, we search for the isospin violating decay $Y(4260)\rightarrow J/ψηπ^{0}$. No signal is observed, and upper limits on the cross section $σ(e^{+}e^{-}\rightarrow J/ψηπ^{0})$ at the 90\% confidence level are determined to be 3.6, 1.7, 2.4, 1.4, 0.9 and 1.9 pb, respectively.
description: 7 pages, 2 figures