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IHEP 2012 - 2 (In Russian) | |
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A.G.Afonin, V.T.Baranov, M.K.Bulgakov, I.S.Voynov,
V.N.Gorlov, I.V.Ivanova,
D.M.Krylov, A.N.Lun'kov, V.A.Maisheev, S.F.Reshetnikov,
D.A.Savin, E.A.Syshchikov, V.I.Terexov,
Yu.A.Chesnokov, P.N.Chirkov,
I.A.Yazynin (IHEP, Protvino, Russia),
V.B.Ganenko,
I.V.Kirillin,
V.I.Truten',
N.F.Shul'ga
(KIPT, Kharkov, Ukraine)
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| Observation and comparative analysis of a circulating beam extraction/collimation from the U-70 accelerator by various crystalline planes of the bent silicon crystal aligned near to an axis <110> | ||
| Protvino, 2012. – p. 12, figs. 10, table 1., refs.: 14. | ||
In paper results of research of 50 GeV proton beam extraction/collimation from the U-70 accelerator (IHEP, Protvino, Russia) by a bent silicon crystal are submitted. Until recently the extraction/collimation of proton beams from accelerators were carried out by crystals at planar orientation (111) or (110) when the particles moved far from crystal axes. In the given experiment the silicon crystal was aligned in such a manner that protons entered into it near to an axis <110 >. The given orientation of crystal has allowed to observe extraction and collimation of a proton beam from the accelerator by crystalline planes (111), (110), (112), (113), (331), possessing in various value of interplanar electrostatic potential. Peak efficiency of beam extraction/collimation achieved of about 80 % for planes (111) and (110).
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