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High Energy Physics - Experiment

arXiv:1510.00654 (hep-ex)
[Submitted on 2 Oct 2015 (v1), last revised 20 Feb 2016 (this version, v3)]

Title:Measurement of the $e^+e^- \to K^+K^-π^+π^-$ cross section with the CMD-3 detector at the VEPP-2000 collider

Authors:D.N. Shemyakin, G.V. Fedotovich, R.R. Akhmetshin, A.N. Amirkhanov, A.V. Anisenkov, V.M. Aulchenko, V.Sh. Banzarov, N.S. Bashtovoy, A.E. Bondar, A.V. Bragin, S.I. Eidelman, D.A. Epifanov, L.B. Epshteyn, A.L. Erofeev, S.E. Gayazov, A.A. Grebenuk, S.S. Gribanov, D.N. Grigoriev, F.V. Ignatov, V.L. Ivanov, S.V. Karpov, V.F. Kazanin, I.A. Koop, A.A. Korobov, O.A. Kovalenko, A.N. Kozyrev, E.A. Kozyrev, P.P. Krokovny, A.E. Kuzmenko, A.S. Kuzmin, I.B. Logashenko, A.P. Lysenko, P.A. Lukin, K.Yu. Mikhailov, V.S. Okhapkin, Yu.N. Pestov, E.A. Perevedentsev, A.S. Popov, G.P. Razuvaev, Yu.A. Rogovsky, A.A. Ruban, N.M. Ryskulov, A.E. Ryzhenenkov, V.E. Shebalin, B.A. Shwartz, D.B. Shwartz, A.L. Sibidanov, Yu.M. Shatunov, E.P. Solodov, V.M. Titov, A.A. Talyshev, A.I. Vorobiov, Yu.V. Yudin, I.M. Zemlyansky
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Abstract:The process $e^+e^- \to K^+K^-\pi^+\pi^-$ has been studied in the center-of-mass energy range from 1500 to 2000\,MeV using a data sample of 23 pb$^{-1}$ collected with the CMD-3 detector at the VEPP-2000 $e^+e^-$ collider. Using about 24000 selected events, the $e^+e^- \to K^+K^-\pi^+\pi^-$ cross section has been measured with a systematic uncertainty decreasing from 11.7\% at 1500-1600\,MeV to 6.1\% above 1800\,MeV. A preliminary study of $K^+K^-\pi^+\pi^-$ production dynamics has been performed.
Subjects: High Energy Physics - Experiment (hep-ex); Nuclear Experiment (nucl-ex)
Cite as: arXiv:1510.00654 [hep-ex]
  (or arXiv:1510.00654v3 [hep-ex] for this version)
  https://doi.org/10.48550/arXiv.1510.00654
Related DOI: https://doi.org/10.1016/j.physletb.2016.02.072

Submission history

From: Dmitry Shemyakin [view email]
[v1] Fri, 2 Oct 2015 17:30:54 UTC (756 KB)
[v2] Thu, 3 Dec 2015 20:26:29 UTC (756 KB)
[v3] Sat, 20 Feb 2016 18:37:01 UTC (756 KB)
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