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Search for narrow resonances in e+ e- annihilation between 1.85 and 3.1 GeV with the KEDR Detector

Authors :
KEDR Collaboration
Anashin, V. V.
Aulchenko, V. M.
Baldin, E. M.
Barladyan, A. K.
Barnyakov, A. Yu.
Barnyakov, M. Yu.
Baru, S. E.
Basok, I. Yu.
Beloborodova, O. L.
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.
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.
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.
Prisekin, V. G.
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.
Publication Year :
2011

Abstract

We report results of a search for narrow resonances in e+ e- annihilation at center-of-mass energies between 1.85 and 3.1 GeV performed with the KEDR detector at the VEPP-4M e+ e- collider. The upper limit on the leptonic width of a narrow resonance Gamma(R -> ee) Br(R -> hadr) < 120 eV has been obtained (at 90 % C.L.).

Subjects

Subjects :
High Energy Physics - Experiment

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.1107.2824
Document Type :
Working Paper
Full Text :
https://doi.org/10.1016/j.physletb.2011.08.016
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