{"paper":{"title":"Study of the Process $e^+e^-\\to \\pi^+\\pi^-\\pi^+\\pi^-$ IN THE C.M. Energy Range 920--1060 MeV with the CMD-3 Detector","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A.A.Grebenuk, A.A.Korobov, A.A.Ruban, A.A.Talyshev, A.E.Bondar, A.E.Kuzmenko, A.E.Ryzhenenkov, A.I.Vorobiov, A.L.Erofeev, A.L.Sibidanov, A.N.Amirkhanov, A.N.Kozyrev, A.P.Lysenko, A.S.Kasaev, A.S.Kuzmin, A.S.Popov, A.V.Anisenkov, A.V.Bragin, B.A.Shwartz, D.A.Epifanov, D.B.Shwartz, D.E.Berkaev, D.N.Grigoriev, D.N.Shemyakin, E.A.Kozyrev, E.A.Perevedentsev, E.P.Solodov, F.V.Ignatov, G.P.Razuvaev, G.V.Fedotovich, I.A.Koop, I.B.Logashenko, K.Yu.Mikhailov, L.B.Epshteyn, N.M.Ryskulov, N.S.Bashtovoy, O.A.Kovalenko, P.A.Lukin, P.P.Krokovny, R.R.Akhmetshin, S.E.Gayazov, S.I.Eidelman, S.S.Gribanov, S.V.Karpov, V.E.Shebalin, V.F.Kazanin, V.L.Ivanov, V.M.Aulchenko, V.M.Titov, V.Sh.Banzarov, V.S.Okhapkin, Yu.A.Rogovsky, Yu.M.Shatunov, Yu.N.Pestov, Yu.V.Yudin","submitted_at":"2016-12-14T04:29:02Z","abstract_excerpt":"A cross section of the process $e^+e^- \\to \\pipi\\pipi$ has been measured using 6798$\\pm$93 signal events from a data sample corresponding to an integrated luminosity of 9.8 pb$^{-1}$ collected with the CMD-3 detector in the center-of-mass energy range 920--1060 MeV. The measured cross section exhibits an interference pattern of the $\\phi(1020)\\to\\pipi\\pipi$ decay with a non-resonant process $e^+e^- \\to \\pipi\\pipi$, from which we obtain the branching fraction of the doubly suppressed decays (by G-parity and OZI rule): $\\BR(\\phi\\to\\pipi\\pipi) = (6.5\\pm2.7\\pm1.6)\\times 10^{-6}$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.04483","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}