Measurement of R at the KEDR Detector

IF 0.4 Q4 PHYSICS, PARTICLES & FIELDS Physics of Particles and Nuclei Letters Pub Date : 2025-04-23 DOI:10.1134/S1547477124701978

V. V. Anashin, O. V. Anchugov, K. V. Astrelina, V. M. Aulchenko, V. V. Balakin, E. M. Baldin, G. N. Baranov, A. K. Barladyan, A. Yu. Barnyakov, M. Yu. Barnyakov, I. Yu. Basok, E. A. Bekhtenev, O. V. Belikov, D. E. Berkaev, A. E. Blinov, V. E. Blinov, A. V. Bobrov, V. S. Bobrovnikov, A. V. Bogomyagkov, D. Yu. Bolkhovityanov, A. E. Bondar, V. M. Borin, A. R. Buzykaev, V. L. Dorokhov, D. V. Dorokhova, F. A. Emanov, D. N. Grigoriev, V. V. Kaminskiy, S. E. Karnaev, G. V. Karpov, K. Yu. Karukina, P. V. Kasyanenko, A. A. Katcin, T. A. Kharlamova, V. A. Kiselev, A. A. Kovalenko, E. V. Kozyrev, A. A. Krasnov, E. A. Kravchenko, V. N. Kudryavtsev, V. F. Kulikov, G. Ya. Kurkin, I. A. Kuyanov, D. A. Kyshtymov, N. N. Lebedev, E. B. Levichev, P. V. Logachev, D. A. Maksimov, V. M. Malyshev, T. V. Maltsev, R. Z. Mamutov, A. L. Maslennikov, O. I. Meshkov, I. I. Morozov, I. A. Morozov, A. A. Murasev, S. A. Nikitin, I. B. Nikolaev, I. N. Okunev, S. B. Oreshkin, A. A. Osipov, I. V. Ovtin, A. V. Pavlenko, S. V. Peleganchuk, K. G. Petrukhin, P. A. Piminov, A. V. Polyanskiy, V. G. Prisekin, O. L. Rezanova, A. A. Ruban, G. A. Savinov, D. V. Senkov, A. G. Shamov, L. I. Shekhtman, D. A. Shvedov, B. A. Shwartz, E. A. Simonov, S. V. Sinyatkin, M. A. Skamarokha, A. N. Skrinsky, A. V. Sokolov, E. V. Starostina, D. P. Sukhanov, A. M. Sukharev, A. A. Talyshev, V. A. Tayursky, V. I. Telnov, Yu. A. Tikhonov, K. Yu. Todyshev, Yu. V. Usov, A. I. Vorobiov, V. N. Zhilich, A. A. Zhukov, V. V. Zhulanov, A. N. Zhuravlev, D. A. Zubkov

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Abstract

The paper is focused on the precise measurements of the total cross section for \({{e}^{ + }}{{e}^{ - }}\) annihilation into hadronic final states at the VEPP-4M collider in Novosibirsk. The KEDR collaboration has published the R values on 22 points in the center-of-mass energy range from 1.84 to 3.72 GeV with the accuracy better than in previous measurements. The energy range between 4.56 and 6.96 GeV was scanned at 17 points with integrated luminosity of about 13.7 pb\(^{{ - 1}}\) and preliminary results of the analysis are presented.

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在KEDR检测器上测量R

本文的重点是在新西伯利亚的VEPP-4M对撞机上精确测量\({{e}^{ + }}{{e}^{ - }}\)湮灭到强子最终态的总横截面。KEDR合作公布了质心能量范围为1.84 ～ 3.72 GeV的22个点的R值，精度优于以往的测量。在4.56 ～ 6.96 GeV的能量范围内，对17个点进行了扫描，综合光度约为13.7 pb \(^{{ - 1}}\)，给出了初步的分析结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Physics of Particles and Nuclei Letters PHYSICS, PARTICLES & FIELDS-

CiteScore

0.80

自引率

20.00%

发文量

108

期刊介绍： The journal Physics of Particles and Nuclei Letters, brief name Particles and Nuclei Letters, publishes the articles with results of the original theoretical, experimental, scientific-technical, methodological and applied research. Subject matter of articles covers: theoretical physics, elementary particle physics, relativistic nuclear physics, nuclear physics and related problems in other branches of physics, neutron physics, condensed matter physics, physics and engineering at low temperatures, physics and engineering of accelerators, physical experimental instruments and methods, physical computation experiments, applied research in these branches of physics and radiology, ecology and nuclear medicine.