A study of collimation and extraction of the U-70 accelerator beam using an axially oriented crystal
Autor: | N. F. Shul’ga, V. N. Gorlov, Yu. A. Chesnokov, S. F. Reshetnikov, V. I. Truten, D. A. Savin, M. K. Bulgakov, Vladimir T. Baranov, I. V. Ivanova, P. N. Chirkov, I. S. Voinov, V. I. Terekhov, V. B. Ganenko, V. A. Maisheev, I. V. Kirillin, A. G. Afonin, E. A. Syshchikov, I. A. Yazynin |
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Rok vydání: | 2016 |
Předmět: |
Beam diameter
Materials science Proton 010308 nuclear & particles physics business.industry Physics::Optics 01 natural sciences Collimated light Crystal Monocrystalline silicon Optics 0103 physical sciences Physics::Accelerator Physics Laser beam quality 010306 general physics business Instrumentation Beam (structure) U-70 |
Zdroj: | Instruments and Experimental Techniques. 59:196-202 |
ISSN: | 1608-3180 0020-4412 |
DOI: | 10.1134/s0020441216020019 |
Popis: | Extraction and collimation of the 50-GeV proton beam with a bent silicon crystal at the U-70 accelerator of the Institute for High Energy Physics (Protvino, Russia) was investigated. Until recently, proton beam extraction (and collimation) from accelerators has been effected using crystals with the (111) or (110) plane orientation, when the beam propagates far from the crystal axes. In the described experiment, the silicon crystal was oriented so that the proton beam was incident on it near the 〈110〉 axis. Under these conditions, a part of the beam was deflected by the crystal owing to the dynamic chaos phenomenon. The maximum beam extraction efficiency was as high as ~80%. |
Databáze: | OpenAIRE |
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