Study on crab-cavity-based longitudinal injection scheme and prototype realization of C-band crab cavity for electron storage rings

A diffraction-limited storage ring with a multi-bend achromat lattice suffers from a small dynamic aperture for conventional off-axis injection. Thus, a longitudinal on-axis injection scheme based on a new type of crab cavity is proposed in this paper. Particle tracking simulations were performed to...

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Bibliographic Details
Published in:Nuclear science and techniques 2023-07, Vol.34 (7), p.5-15, Article 102
Main Authors: Wang, Guan-Hua, Jiang, Bo-Cheng, Tan, Jian-Hao, Zhang, Qing-Lei, Fang, Wen-Cheng, Li, Chang-Liang, Wang, Kun, Huang, Xiao-Xia, Pu, Sheng-Li
Format: Article
Language:English
Subjects:
Beam Physics
Nuclear Energy
Particle Acceleration and Detection
Particle and Nuclear Physics
Physics
Physics and Astronomy
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Summary:A diffraction-limited storage ring with a multi-bend achromat lattice suffers from a small dynamic aperture for conventional off-axis injection. Thus, a longitudinal on-axis injection scheme based on a new type of crab cavity is proposed in this paper. Particle tracking simulations were performed to study the disturbance of the stored beam and the motion of the injected beam during the injection process. The possibility of multi-bunch injections was discussed. In addition, the effect of the long-range wake field induced by the stored beam was analyzed. A C-band standing-wave crab cavity was designed and produced as requested, and its field distribution was measured. The corresponding results are consistent with the simulation results.
ISSN:1001-8042
2210-3147
DOI:10.1007/s41365-023-01257-5