A. Afonin, V. Biryukov, V. N. Chepegin, Y. Chesnokov, V. Kotov, V. Terekhov, E. Troyanov, Y. Fedotov
{"title":"New projects of crystal extraction at IHEP 70 GeV accelerator","authors":"A. Afonin, V. Biryukov, V. N. Chepegin, Y. Chesnokov, V. Kotov, V. Terekhov, E. Troyanov, Y. Fedotov","doi":"10.1109/PAC.1999.795622","DOIUrl":null,"url":null,"abstract":"Using channeling in a 5-mm crystal with bending angle of 0.65 mrad, a record high efficiency, over 60%, of particle extraction from the accelerator was achieved. The extracted beam intensity was up to 5.2/spl times/10/sup 11/ protons per spill of /spl sim/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.","PeriodicalId":20453,"journal":{"name":"Proceedings of the 1999 Particle Accelerator Conference (Cat. No.99CH36366)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1999-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"10","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 1999 Particle Accelerator Conference (Cat. No.99CH36366)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PAC.1999.795622","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 10
Abstract
Using channeling in a 5-mm crystal with bending angle of 0.65 mrad, a record high efficiency, over 60%, of particle extraction from the accelerator was achieved. The extracted beam intensity was up to 5.2/spl times/10/sup 11/ protons per spill of /spl sim/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.
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