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  • STUDY OF ψ(2S) → μ+μ- DECAY...
    AULCHENKO, V. M; BALDIN, E. M; BARLADYAN, A. K; BARNYAKOV, A. Yu; BARNYAKOV, M. Yu; BARU, S. E; BASOK, I. Yu; BATRAKOV, A. M; BLINOV, A. E; BLINOV, V. E; BOBROV, A. V; BOBROVNIKOV, V. S; BOGOMYAGKOV, A. V; BONDAR, A. E; BUZYKAEV, A. R; EIDELMAN, S. I; GRIGORIEV, D. N; GROSHEV, V. R; GLUKHOVCHENKO, Yu. M; GULEVICH, V. V; GUSEV, D. V; KARNAEV, S. E; KARPOV, G. V; KARPOV, S. V; KHARLAMOVA, T. A; KISELEV, V. A; KOLMOGOROV, V. V; KONONOV, S. A; KOTOV, K. Yu; KRAVCHENKO, E. A; KUDRYAVTSEV, V. N; KULIKOV, V. F; KURKIN, G. YA; KUPER, E. A; KUYANOV, I. A; LEVICHEV, E. B; MAKSIMOV, D. A; MALYSHEV, V. M; MASLENNIKOV, A. L; MESHKOV, O. I; MISHNEV, S. I; MOROZOV, I. I; MUCHNOI, N. Yu; NEUFELD, V. V; NIKITIN, S. A; NIKOLAEV, I. B; OKUNEV, I. N; ONUCHIN, A. P; ORESHKIN, S. B; ORLOV, I. O; OSIPOV, A. A; OVTIN, I. V; PELEGANCHUK, S. V; PIVOVAROV, S. G; PIMINOV, P. A; PETROV, V. V; POLUEKTOV, A. O; PRISEKIN, V. G; REZANOVA, O. L; RUBAN, A. A; SANDYREV, V. K; SAVINOV, G. A; SHAMOV, A. G; SHATILOV, D. N; SHWARTZ, B. A; SIMONOV, E. A; SINYATKIN, S. V; SKRINSKY, A. N; SUKHAREV, A. M; SOKOLOV, A. V; STAROSTINA, E. V; TALYSHEV, A. A; TAYURSKY, V. A; TELNOV, V. I; TIKHONOV, Yu. A; TODYSHEV, K. Yu; TUMAIKIN, G. M; USOV, Yu. V; VOROBIOV, A. I; ZHILICH, V. N; ZHULANOV, V. V; ZHURAVLEV, A. N

    International Journal of Modern Physics: Conference Series, 2014, Letnik: 35
    Journal Article, Conference Proceeding

    Since 2004 the KEDR detector at the VEPP-4M collider has taken several data sets in the ψ(2S) region, acquiring total luminosity of about 7 pb-1, which corresponds to more than 3.5 × 106ψ(2S). We report the preliminary value of Γee × Γμμ/Γ = 19.4 ± 0.4 ± 1.1 eV for ψ(2S).