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Measurement of $R$ between 1.84 and 3.05 GeV at the KEDR detector

Authors :
Anashin, V. V.
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.
Glukhovchenko, Yu. M.
Karnaev, S. E.
Karpov, G. V.
Karpov, S. V.
Kasyanenko, P. 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.
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.
Osipov, A. A.
Ovtin, I. V.
Peleganchuk, S. V.
Pivovarov, S. G.
Piminov, P. A.
Petrov, V. V.
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.
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.
Zhilich, V. N.
Zhulanov, V. V.
Zhuravlev, A. N.
Publication Year :
2016

Abstract

Using the KEDR detector at the VEPP-4M $e^+e^-$ collider, we have determined the values of $R$ at thirteen points of the center-of-mass energy between 1.84 and 3.05 GeV. The achieved accuracy is about or better than $3.9\%$ at most of the energy points with a systematic uncertainty less than $2.4\%$.

Subjects

Subjects :
High Energy Physics - Experiment

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.1610.02827
Document Type :
Working Paper
Full Text :
https://doi.org/10.1016/j.physletb.2017.04.073
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