Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2008, Vol. 19 ›› Issue (5): 257 doi: 10.1016/S1001-8042(09)60001-4

• SYNCHROTRON TECHNOLOGY AND APPLICATIONS •     Next Articles

Calibration of the linear optics in the SSRF storage ring

TIAN Shunqiang1,2 LIU Guimin1,* ZHANG Wenzhi1 LI Haohu1 ZHANG Manzhou1,2 HOU Jie1 CHEN Guangling1,2   

  1. 1 Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
    2 Graduate University of the Chinese Academy of Sciences, Beijing 100049, China
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TIAN Shunqiang LIU Guimin ZHANG Wenzhi LI Haohu ZHANG Manzhou HOU Jie CHEN Guangling. Calibration of the linear optics in the SSRF storage ring.Nuclear Science and Techniques, 2008, 19(5): 257     doi: 10.1016/S1001-8042(09)60001-4

Abstract: Phase I commissioning of the SSRF storage ring at 3.0 GeV was ended with encouraging results. Distortions and calibrations of the linear optics during the storage ring commissioning are discussed in this paper. The calibration procedure has reduced sextupole-additional focusing effects by minimizing closed orbit deviation and corrected quadrupole magnetic coefficients with the linear optics from closed orbit (LOCO) technique. After fitting the closed orbit response matrix, linear optics of the storage ring is substantially corrected, and the measured parameters agree well with the design. Four optics modes were commissioned, and relevant machine physics studies were carried out. Their results are summarized.

Key words: SSRF storage ring, Linear optics, Commissioning, Calibration