Measurement of $J/\psi\to\gamma\eta_{\rm c}$ decay rate and $\eta_{\rm c}$ parameters at KEDR

Phys. Lett. B 738 (2014), 391-396 Using the inclusive photon spectrum based on a data sample collected at the $J/\psi$ peak with the KEDR detector at the VEPP-4M $e^+e^-$ collider, we measured the rate of the radiative decay $J/\psi\to\gamma\eta_{\rm c}$ as well as $\eta_{\rm c}$ mass and width. Tak...

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Hauptverfasser:	Anashin, V. V, Aulchenko, V. M, Baldin, E. M, Barladyan, A. K, Barnyakov, A. Yu, Barnyakov, M. Yu, Baru, S. E, Basok, I. Yu, Bedny, I. V, Blinov, A. E, Blinov, V. E, Bobrov, A. V, Bobrovnikov, V. S, Bogomyagkov, A. V, Bondar, A. E, Buzykaev, A. R, Eidelman, S. I, Glukhovchenko, Yu. M, Gulevich, V. V, Gusev, D. V, Karnaev, S. E, Karpov, G. V, Karpov, S. V, Kharlamova, T. A, Kiselev, V. A, Kononov, S. A, Kotov, K. Yu, Kravchenko, E. A, Kulikov, V. F, Kurkin, G. Ya, Kuper, E. A, Levichev, E. B, Maksimov, D. A, Malyshev, V. M, Maslennikov, A. L, Medvedko, A. S, 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, Peleganchuk, S. V, Pivovarov, S. G, Piminov, P. A, Petrov, V. V, Poluektov, A. O, Pospelov, G. E, 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, Smaluk, V. V, Sokolov, A. V, Sukharev, A. M, 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, Yushkov, A. N, Zhilich, V. N, Zhulanov, V. V, Zhuravlev, A. N
Format:	Artikel
Sprache:	eng
Schlagworte:	Physics - High Energy Physics - Experiment
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