EXPERIMENTS ON ELEMENTARY PARTICLE PHYSICS AT ELECTRON-POSITRON COLLIDERS AT THE INP SB RAS

Abstract

The article was prepared based on the materials of the report at the seminar of the Institute of Nuclear Physics of the Republic of Kazakhstan and the Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences, held on 05/28/2024. The article describes experiments on INP installations with oncoming electron-positron beams. Facilities with colliding beams (colliders) are currently one of the main tools in experimental high-energy physics. The first such installations appeared in the early 60s of the last century and the INP was a pioneer in this field. In 1967, the first results of the INP study of the production of hadrons in electron-positron annihilation at the world's first e+e collider VEPP-2 were published. Currently, there are four e+e colliders in the world, two of which, VEPP-2000 with a beam energy of up to 1 GeV and VEPP-4M with an energy of up to 6 GeV, operate in the INP. The article describes experiments at these colliders, the main goals and motivation of these studies. Installations with oncoming electron-positron beams are currently one of the main tools in experimental high-energy physics that allow obtaining accurate data on the parameters and interaction of hadrons and leptons.