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Afonin, A. G.; Vasilyeva, A. G.; Durum, A. A.; Kostin, M. Yu; Maisheev, V. A.; Sandomirsky, Yu. E.; Pitalev, V. I.; Poluektov, I. V.; Chesnokov, M. Yu; Chesnokov, Yu. A.; Yanovich, A. A.
Physics of particles and nuclei letters, 08/2022, Letnik: 19, Številka: 4Journal Article
This paper describes an experiment on focusing a proton beam with an energy of 50 GeV on the U‑70 accelerator using a crystal device. The focusing device is based on the use of bending a plane-parallel silicon wafer in which the side faces are rotated relative to the crystallographic planes by a small angle. The beam is focused at a distance of 10 cm into a narrow line with a width of FWHM ~7 μm. The prospects for using such a short-focus device on modern accelerators are described.
