PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Strong Interactions and Hadron Physics
Study of the $e^+e^-$ annihilation into hadrons with the SND detector at the VEPP-2000 collider
D.A. Shtol,* M.N. Achasov, A.Y. Barnyakov, K.I. Beloborodov, A.V. Berdyugin, A.G. Bogdanchikov, A.A. Botov, T.V. Dimova, V.P. Druzhinin, V.B. Golubev, L.V. Kardapoltsev, A.G. Kharlamov, A.A. Korol, S.V. Koshuba, L.A. Korneev, D.P. Kovrizhin, A.S. Kupich, R.A. Litvinov, K.A. Martin, N.A. Melnikova, A.E. Obrazovsky, E.V. Pakhtusova, K.V. Pugachev, S.I. Serednyakov, Z.K. Silagadze, I.K. Surin, Y.V. Usov, A.V. Vasiljev, V.N. Zhabin, V.V. Zhulanov
*corresponding author
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Published on: August 02, 2019
Abstract
Recent results on study of exclusive processes of $e^+e^-$ annihilation into hadrons below 2 GeV obtained at the SND detector are presented. The analysis are based on data collected at the VEPP-2M and VEPP-2000 colliders. In particular, we present the measurements of the $e^+e^-\to\eta\pi^+\pi^-$, $e^+e^-\to\eta K^+K^-$, $e^+e^-\to K_SK_L\pi^0$ cross sections, and the preliminary results on study of the $e^+e^-\to\pi^+\pi^-$, $e^+e^-\to n\bar{n}$, $e^+e^-\to\pi^0\gamma$, and the upper limit for $\eta\to e^+e^-$ decay branching fraction
DOI: https://doi.org/10.22323/1.340.0548
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