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Experiments on the physics of charged particle beams at the VEPP-4M electron-positron collider |
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| Authors: | O. V. Anchugov V. E. Blinov A. V. Bogomyagkov A. N. Zhuravlev S. E. Karnaev G. V. Karpov V. A. Kiselev G. Ya. Kurkin E. B. Levichev O. I. Meshkov S. I. Mishnev N. Yu. Muchnoi S. A. Nikitin I. B. Nikolaev V. V. Petrov P. A. Piminov E. A. Simonov S. V. Sinyatkin A. N. Skrinsky V. V. Smaluk Yu. A. Tikhonov G. M. Tumaikin A. G. Shamov D. N. Shatilov D. A. Shvedov E. I. Shubin |
| Affiliation: | 1. Budker Institute of Nuclear Physics, Russian Academy of Sciences Siberian Branch, pr. Akademika Lavrent’eva 11, Novosibirsk, 630090, Russia |
| Abstract: | The VEPP-4M accelerator facility with a universal KEDR detector is designed to conduct experiments with colliding electron-positron beams. High-energy physics, nuclear physics, and studies using synchrotron radiation are the main directions of research with this facility. In addition, experiments on poorly explored issues in the physics of beams in the electron-positron storage ring and methodological studies to prepare an experiment aimed at testing corollaries of the CPT theorem for an electron and a positron are regularly conducted at the VEPP-4 facility. A number of works performed in recent years are described: studies to increase the accuracy of comparing the electron and positron spin precession frequencies by the resonant depolarization method; measurements of the count rate of Touschek electrons as a function of the beam energy in a wide range; comparison of the methods for measuring the beam energy spread; a study of the electron beam dynamics when a nonlinear betatron resonance is crossed. |
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