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

V. V. Anashin, V. M. Aulchenko, E. M. Baldin, A. K. Barladyan, A. Yu Barnyakov, M. Yu Barnyakov, S. E. Baru, I. Yu Basok, A. M. Batrakov, A. E. Blinov, V. E. Blinov, A. V. Bobrov, V. S. Bobrovnikov, A. V. Bogomyagkov, A. E. Bondar, A. R. Buzykaev, S. I. Eidelman, D. N. Grigoriev, Yu M. Glukhovchenko, S. E. KarnaevG. V. Karpov, S. V. Karpov, P. V. Kasyanenko, T. A. Kharlamova, V. A. Kiselev, V. V. Kolmogorov, S. A. Kononov, K. Yu Kotov, E. A. Kravchenko, V. N. Kudryavtsev, V. F. Kulikov, G. Ya Kurkin, I. A. Kuyanov, E. A. Kuper, E. B. Levichev, D. A. Maksimov, V. M. Malyshev, A. L. Maslennikov, O. I. Meshkov, S. I. Mishnev, I. I. Morozov, N. Yu Muchnoi, V. V. Neufeld, S. A. Nikitin, I. B. Nikolaev, I. N. Okunev, A. P. Onuchin, S. B. Oreshkin, A. A. Osipov, I. V. Ovtin, S. V. Peleganchuk, S. G. Pivovarov, P. A. Piminov, V. V. Petrov, V. G. Prisekin, O. L. Rezanova, A. A. Ruban, V. K. Sandyrev, G. A. Savinov, A. G. Shamov, D. N. Shatilov, B. A. Shwartz, E. A. Simonov, S. V. Sinyatkin, A. N. Skrinsky, A. V. Sokolov, A. M. Sukharev, E. V. Starostina, A. A. Talyshev, V. A. Tayursky, V. I. Telnov, Yu A. Tikhonov, K. Yu Todyshev, G. M. Tumaikin, Yu V. Usov, A. I. Vorobiov, V. N. Zhilich, V. V. Zhulanov, A. N. Zhuravlev

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18 Citations (Scopus)

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%.

Original languageEnglish
Pages (from-to)174-181
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume770
DOIs
Publication statusPublished - 10 Jul 2017

Keywords

  • MONTE-CARLO SIMULATION
  • TOTAL CROSS-SECTION
  • E(+)E(-) ANNIHILATION
  • RADIATIVE-CORRECTIONS
  • HADRONIC PRODUCTION
  • E&E-ANNIHILATION
  • E+E-ANNIHILATION
  • HIGH-ENERGY
  • COLLISIONS

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