Measurement of the Born cross sections for $e^+e^- \to η^\prime π^{+}π^{-}$ at center-of-mass energies between $2.00$ and $3.08$ GeV
Creators: name: BESIII Collaboration
name: Ablikim, M.
name: Achasov, M. N.
name: Adlarson, P.
name: Ahmed, S.
name: Albrecht, M.
name: Aliberti, R.
name: Amoroso, A.
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name: Bai, X. H.
name: Bai, Y.
name: Bakina, O.
name: Ferroli, R. Baldini
name: Balossino, I.
name: Ban, Y.
name: Begzsuren, K.
name: Berger, N.
name: Bertani, M.
name: Bettoni, D.
name: Bianchi, F.
name: Biernat, J
name: Bloms, J.
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name: Boyko, I.
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name: Cai, H.
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name: Calcaterra, A.
name: Cao, G. F.
name: Cao, N.
name: Cetin, S. A.
name: Chang, J. F.
name: Chang, W. L.
name: Chelkov, G.
name: Chen, D. Y.
name: Chen, G.
name: Chen, H. S.
name: Chen, M. L.
name: Chen, S. J.
name: Chen, X. R.
name: Chen, Y. B.
name: Chen, Z. J
name: Cheng, W. S.
name: Cibinetto, G.
name: Cossio, F.
name: Cui, X. F.
name: Dai, H. L.
name: Dai, X. C.
name: Dbeyssi, A.
name: de Boer, R. E.
name: Dedovich, D.
name: Deng, Z. Y.
name: Denig, A.
name: Denysenko, I.
name: Destefanis, M.
name: DeMori, F.
name: Ding, Y.
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name: Dong, M. Y.
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name: Du, S. X.
name: Fang, J.
name: Fang, S. S.
name: Fang, Y.
name: Farinelli, R.
name: Fava, L.
name: Feldbauer, F.
name: Felici, G.
name: Feng, C. Q.
name: Fritsch, M.
name: Fu, C. D.
name: Gao, Y.
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name: Garzia, I.
name: Gersabeck, E. M.
name: Gilman, A.
name: Goetzen, K.
name: Gong, L.
name: Gong, W. X.
name: Gradl, W.
name: Greco, M.
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name: Guo, A. Q.
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name: Guskov, A.
name: Han, T. T.
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name: Harris, F. A.
name: Hüsken, N.
name: He, K. L.
name: Heinsius, F. H.
name: Heinz, C. H.
name: Held, T.
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name: Holtmann, T.
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name: Andersson, W. Ikegami
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name: Jaeger, S.
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name: Liu, Fang
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name: Liu, Huihui
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name: Mitchell, R. E.
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name: Zhong, C.
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name: Zhou, Q.
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name: Zhou, X. K.
name: Zhou, X. R.
name: Zhu, A. N.
name: Zhu, J.
name: Zhu, K.
name: Zhu, K. J.
name: Zhu, S. H.
name: Zhu, T. J.
name: Zhu, W. J.
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name: Zou, B. S.
name: Zou, J. H.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: The Born cross sections for the process $e^+e^- \to η^\prime π^{+}π^{-}$ at different center-of-mass energies between $2.00$ and $3.08$ GeV are reported with improved precision from an analysis of data samples collected with the BESIII detector operating at the BEPCII storage ring. An obvious structure is observed in the Born cross section line shape. Fit as a Breit-Wigner resonance, it has a statistical significance of $6.3σ$ and a mass and width of $M=(2111\pm43\pm25)$~MeV/$c^2$ and $Γ=(135\pm34\pm30)$~MeV, where the uncertainties are statistical and systematic, respectively. These measured resonance parameters agree with the measurements of BABAR in $e^+e^- \to η^\prime π^{+}π^{-}$ and BESIII in $e^+e^- \to ωπ^0$ within two standard deviations.
description: 10 pages, 4 figures