Research on Changes of Focusing Structure Parameters Caused by the DC-Clearing Electric Field of Storage Ring

Wang Xiangqi; Pei Yuanji; Dong Xiaoli; Xu Hongliang; Shang Lei; Wang Lin; Fan Kuanjun; Fang Zhigao; Yao Chenggui; Hu Shouming; Lou Xuefang

Chinese Physics C> 1998, Vol. 22> Issue(8) : 755-762

Research on Changes of Focusing Structure Parameters Caused by the DC-Clearing Electric Field of Storage Ring

National Synchrotron Radiation Laboratory, University of Science and Technolog of China, Hefei230029

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Abstract：
The changes of focusing structure parameters caused by the DC-clearing electric field of storage ring were researched. The conclusion is made that tune shift caused by the DC-clearing electric field is related to the real-time close orbit of stored beam. The clearing electric field asymmetrically distributed along the ring destroys the symmetry of the focusing structure and decreases the acceptance of storage ring. It has negative effect to the injection and accumulation process in certain condition.

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Wang Xiangqi, Pei Yuanji, Dong Xiaoli, Xu Hongliang, Shang Lei, Wang Lin, Fan Kuanjun, Fang Zhigao, Yao Chenggui, Hu Shouming and Lou Xuefang. Research on Changes of Focusing Structure Parameters Caused by the DC-Clearing Electric Field of Storage Ring[J]. Chinese Physics C, 1998, 22(8): 755-762.

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Received: 1900-01-01
Revised: 1900-01-01

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