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Suppression of the emittance growth induced by coherent synchrotron radiation in triple-bend achromats
Huang XY(黄玺洋); Jiao Y(焦毅); Xu G(徐刚); Cui XH(崔小昊); Huang, XY; Jiao, Y; Xu, G; Cui, XH
2015
发表期刊CHINESE PHYSICS C
卷号39期号:5页码:57001
通讯作者黄玺洋
文章类型Article
摘要The coherent synchrotron radiation (CSR) effect in a bending path plays an important role in transverse emittance dilution in high-brightness light sources and linear colliders, where the electron beams are of short bunch length and high peak current. Suppression of the emittance growth induced by CSR is critical to preserve the beam quality and help improve the machine performance. It has been shown that the CSR effect in a double-bend achromat (DBA) can be analyzed with the two-dimensional point-kick analysis method. In this paper, this method is applied to analyze the CSR effect in a triple-bend achromat (TBA) with symmetric layout, which is commonly used in the optics designs of energy recovery linacs (ERLs). A condition of cancelling the CSR linear effect in such a TBA is obtained, and is verified through numerical simulations. It is demonstrated that emittance preservation can be achieved with this condition, and to a large extent, has a high tolerance to the fluctuation of the initial transverse phase space distribution of the beam.
关键词coherent synchrotron radiation emittance growth achromat
学科领域Physics
DOI10.1088/1674-1137/39/5/057001
收录类别SCI ; CA
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000354004300015
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228538
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Huang XY,Jiao Y,Xu G,et al. Suppression of the emittance growth induced by coherent synchrotron radiation in triple-bend achromats[J]. CHINESE PHYSICS C,2015,39(5):57001.
APA 黄玺洋.,焦毅.,徐刚.,崔小昊.,Huang, XY.,...&Cui, XH.(2015).Suppression of the emittance growth induced by coherent synchrotron radiation in triple-bend achromats.CHINESE PHYSICS C,39(5),57001.
MLA 黄玺洋,et al."Suppression of the emittance growth induced by coherent synchrotron radiation in triple-bend achromats".CHINESE PHYSICS C 39.5(2015):57001.
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