Investigation of Beam Linear Coupling

XIA Guo-Xing; XIA Jia-Wen; ZHAO Hong-Wei; YANG Jian-Cheng; WU Jun-Xia; LIU Wei; YIN Xue-Jun; WEI Bao-Wen

Chinese Physics C> 2003, Vol. 27> Issue(7) : 641-644

Investigation of Beam Linear Coupling

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China

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Abstract：
For the beam transport system in storage ring, linear coupling is mainly caused by skew quadrupole and longitudinal solenoid field. It leads to emittance exchange and beam envelope augment. By using betatron motion of single particle in the presence of skew quadrupole and longitudinal solenoid field, the effect of the beam linear coupling is preliminarily investigated. Beam emittance variation due to skew quadrupole is obtained too.

References

[1]	. Benedikt M et al.Proc.7th EPAC ,2000 2. Bryant P J.A Simple Theory for Weak Betatron Coupling,CERN 94–013. LIU Qiu-Quan et al.Theory of Accelerator,Beijing:Atomic Energy Press,1990(in Chinese)(刘泉等.加速器理论.北京:原子能出版社,1990)4. Carli C,Cyvoct G.PS/AE/Note2001–018,2001

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XIA Guo-Xing, XIA Jia-Wen, ZHAO Hong-Wei, YANG Jian-Cheng, WU Jun-Xia, LIU Wei, YIN Xue-Jun and WEI Bao-Wen. Investigation of Beam Linear Coupling[J]. Chinese Physics C, 2003, 27(7): 641-644.

XIA Guo-Xing, XIA Jia-Wen, ZHAO Hong-Wei, YANG Jian-Cheng, WU Jun-Xia, LIU Wei, YIN Xue-Jun and WEI Bao-Wen. Investigation of Beam Linear Coupling[J]. Chinese Physics C, 2003, 27(7): 641-644. shu

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Received: 2002-09-24
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Investigation of Beam Linear Coupling

Corresponding author: XIA Guo-Xing,

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China

Received Date: 2002-09-24
Accepted Date: 1900-01-01
Available Online: 2003-07-05

Abstract: For the beam transport system in storage ring, linear coupling is mainly caused by skew quadrupole and longitudinal solenoid field. It leads to emittance exchange and beam envelope augment. By using betatron motion of single particle in the presence of skew quadrupole and longitudinal solenoid field, the effect of the beam linear coupling is preliminarily investigated. Beam emittance variation due to skew quadrupole is obtained too.