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24 April 2024
 
  » arxiv » hep-ex/0111028

 Article overview


New projects of crystal extraction at IHEP 70-GeV accelerator
A. G. Afonin ; V. M. Biryukov ; V. N. Chepegin ; Yu. A. Chesnokov ; V. I. Kotov ; V. I. Terekhov ; E. F. Troyanov ; Yu. S. Fedotov ; Yu. M. Ivanov ; W. Scandale ; M. B. H. Breese ;
Date 8 Nov 2001
Subject hep-ex
AbstractUsing channeling in a 5-mm crystal with bending angle of 0.65 mrad, a record high efficiency, over 60%, of particle extraction from accelerator was achieved. The extracted beam intensity was up to 5.2*10^11 protons per spill of 0.5 s duration. Also, the first proof-of-principle experiment on ’crystal collimation’ was performed where crystal - serving as a scraper - has reduced the radiation level in the accelerator by a factor of two. The measurements agree with Monte Carlo predictions.
Source arXiv, hep-ex/0111028
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