{"paper":{"title":"Measurement of $\\Gamma_{ee}\\times\\mathcal{B}_{\\mu\\mu}$ for $\\psi(2S)$ meson","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. A. Krasnov, A. A. Osipov, A. A. Ruban, A. A. Talyshev, A. A. Zhukov, A. E. Blinov, A. E. Bondar, A. G. Shamov, A. G. Tribendis, A. I. Vorobiov, A. K. Barladyan, A. L. Maslennikov, A. M. Batrakov, A. M. Sukharev, A. N. Skrinsky, A. N. Zhuravlev, A. P. Onuchin, A. R. Buzykaev, A. V. Bobrov, A. V. Bogomyagkov, A. V. Sokolov, A. Yu. Barnyakov, B. A. Shwartz, D. A. Maksimov, D. A. Shvedov, D. N. Grigoriev, D. N. Shatilov, D. P. Kashtankin, D. P. Sukhanov, E. A. Bekhtenev, E. A. Kravchenko, E. A. Kuper, E. A. Simonov, E. B. Levichev, E. M. Baldin, E. V. Starostina, G. A. Savinov, G. M. Tumaikin, G. N. Baranov, G. V. Karpov, G. Ya. Kurkin, I. A. Kuyanov, I. A. Morozov, I. B. Nikolaev, I. I. Morozov, I. N. Okunev, I. V. Ovtin, I. Yu. Basok, K. Yu. Karukina, K. Yu. Kotov, K. Yu. Todyshev, M. Yu. Barnyakov, N. Yu. Muchnoi, O. I. Meshkov, O. L. Rezanova, O. V. Anchugov, P. A. Piminov, P. B. Cheblakov, S. A. Glukhov, S. A. Kononov, S. A. Nikitin, S. B. Oreshkin, S. E. Baru, S. E. Karnaev, S. G. Pivovarov, S. I. Eidelman, S. I. Mishnev, S. V. Karpov, S. V. Peleganchuk, S. V. Sinyatkin, T. A. Kharlamova, V. A. Kiselev, V. A. Tayursky, V. E. Blinov, V. F. Kulikov, V. G. Prisekin, V. I. Telnov, V. L. Dorohov, V. M. Aulchenko, V. M. Malyshev, V. N. Kudryavtsev, V. N. Zhilich, V. S. Bobrovnikov, V. V. Anashin, V. V. Kolmogorov, V. V. Petrov, V. V. Zhulanov, Yu. A. Tikhonov, Yu. V. Usov","submitted_at":"2018-01-31T09:04:29Z","abstract_excerpt":"The product of the electronic width of the $\\psi(2S)$ meson and the branching fraction of its decay to the muon pair was measured in the $e^{+}e^{-} \\to \\psi(2S) \\to \\mu^{+}\\mu^{-}$ process using nine data sets corresponding to an integrated luminosity of about 6.5 pb$^{-1}$ collected with the KEDR detector at the VEPP-4M electron-positron collider: \\[ \\Gamma_{ee}\\times\\mathcal{B}_{\\mu\\mu} = 19.3 \\pm 0.3 \\pm 0.5 ~\\text{eV}. \\] Adding the previous KEDR results on hadronic and leptonic channels, the values of the $\\psi(2S)$ electronic width were obtained under two assumptions: either with the as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.10362","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"}