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Zemlyansky, K. A. Martin, K. I. Beloborodov, K. V. Pugachev, L. V. Kardapoltsev, N. A. Melnikova, N. Yu. Muchnoi, P. Yu. Shatunov, S. I. Serednyakov, SND Collaboration: M. N. Achasov, T. V. Dimova, V. B. Golubev, V. N. Zhabin, V. P. Druzhinin, Y. S. Savchenko, Yu. M. Shatunov, Yu. V. Usov, Z. K. Silagadze","submitted_at":"2020-04-01T07:30:42Z","abstract_excerpt":"The cross section of the process $e^+ e^-\\to\\pi^+\\pi^-$ has been measured in the Spherical Neutral Detector (SND) experiment at the VEPP-2000 $e^+e^-$ collider VEPP-2000 in the energy region $525 <\\sqrt[]{s} <883$ MeV. The measurement is based on data with an integrated luminosity of about 4.6 pb$^{-1}$. The systematic uncertainty of the cross section determination is 0.8 % at $\\sqrt{s}>0.600$ GeV. 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