Abstract
This paper introduces the proposed insertion device (ID) scheme for the Shanghai Synchrotron Radiation Facility Upgrade. Based on this scheme, the influences of the ID radiation on the intra-beam scattering emittance and energy spread were evaluated. Optical distortion caused by the IDs was comprehensively examined and compensated using both local and global corrections. Subsequently, a frequency map analysis method was used to identify potentially dangerous resonance lines. In addition, the dynamic aperture, energy acceptance, and Touschek lifetime were calculated after considering high-order magnetic field errors to ensure that the ID effect did not affect the operation of the storage ring.
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Data availability
The data that support the findings of this study are openly available in Science Data Bank at https://doi.org/10.57760/sciencedb.j00186.00088 and https://cstr.cn/31253.11.sciencedb.j00186.00088.
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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by Li-Yuan Tan, Shun-Qiang Tian, and Xin-Zhong Liu. The first draft of the manuscript was written by Li-Yuan Tan and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Tan, LY., Tian, SQ., Liu, XZ. et al. ID effects on beam dynamics in the SSRF-U storage ring. NUCL SCI TECH 34, 174 (2023). https://doi.org/10.1007/s41365-023-01322-z
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DOI: https://doi.org/10.1007/s41365-023-01322-z