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Collimation of the circulating beam in the U-70 synchrotron by means of the reflection of particles in crystals with axial orientation

The possibilities of the extraction and collimation of a circulating beam by a new method due to the reflection of particles in crystals with axial orientation were experimentally investigated in the Fall 2010 run at the U-70 synchrotron. Such crystals have positive features, because the axial poten...

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Bibliographic Details
Published in:JETP letters 2011-04, Vol.93 (4), p.187-190
Main Authors: Afonin, A. G., Baranov, V. T., Bulgakov, M. K., Voinov, I. S., Gorlov, V. N., Ivanova, I. V., Krylov, D. M., Lun’kov, A. N., Maisheev, V. A., Reshetnikov, S. F., Savin, D. A., Syshchikov, E. A., Terekhov, V. I., Chesnokov, Yu. A., Chirkov, P. N., Yazynin, I. A.
Format: Article
Language:English
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Summary:The possibilities of the extraction and collimation of a circulating beam by a new method due to the reflection of particles in crystals with axial orientation were experimentally investigated in the Fall 2010 run at the U-70 synchrotron. Such crystals have positive features, because the axial potential is five times larger than the planar potential. It has been shown that the collimation efficiency can reach 90% due to axial effects in the crystal. Losses of the circulating beam on a collimator have been reduced by several times; this makes it possible to suppress the muon jet near the steel collimator of the circulating beam.
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364011040023