Implementation of multistrip crystals to protect the septum magnets and to generate gamma radiation

Recently studies are started on the application of volume reflection of particles in crystals for the steering beams (for extraction and collimation of a circulating beam in accelerators). Volume reflection is more efficient than channeling, but requires amplification of the deflection angle by appl...

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Published inPhysical review. Accelerators and beams Vol. 22; no. 3; p. 033001
Main Authors Afonin, A. G., Barnov, E. V., Britvich, G. I., Chesnokov, Yu. A., Chirkov, P. N., Durum, A. A., Kostin, M. Yu, Lobanov, I. S., Maisheev, V. A., Poluektov, I. V., Reshetnikov, S. F., Sandomirskiy, Yu. E., Savin, D. A., Yanovich, A. A.
Format Journal Article
LanguageEnglish
Published College Park American Physical Society 01.03.2019
Subjects
Deflection
Electron beams
Gamma rays
Magnets
Particle accelerators
Particle beams
Proton beams
Radiation
Septum
Steering
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Summary:Recently studies are started on the application of volume reflection of particles in crystals for the steering beams (for extraction and collimation of a circulating beam in accelerators). Volume reflection is more efficient than channeling, but requires amplification of the deflection angle by applying multicrystals. The report discusses two new applications of multicrystals made like multistrip structures: (i) the property of effective deflection of particle beam was used to protect the septum magnets of the U-70 in the process of extraction of the proton beam with energy of 50 GeV; (ii) the possibility of generation of gamma radiation was studied in the secondary electron beam with energy of 7 GeV. In both cases, promising preliminary data were obtained.
ISSN:2469-9888
2469-9888
DOI:10.1103/PhysRevAccelBeams.22.033001