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

Guan-Hua Wang

doi:10.1007/s41365-023-01257-5

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

SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS | Updated：2023-08-16

- Study on crab-cavity-based longitudinal injection scheme and prototype realization of C-band crab cavity for electron storage rings
- Nuclear Science and Techniques Vol. 34, Issue 7, Article number: 102(2023)
- Affiliations：
  
  1.University of Shanghai for Science and Technology, Shanghai 200093, China
  2.Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
  3.Laboratory for Ultrafast Transient Facility, Chongqing University, Chongqing 401331, China
  4.Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
- Author bio：
  
  * tanjh@sari.ac.cn
- Funds：
- DOI：10.1007/s41365-023-01257-5
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Guan-Hua Wang, Bo-Cheng Jiang, Jian-Hao Tan, et al. Study on crab-cavity-based longitudinal injection scheme and prototype realization of C-band crab cavity for electron storage rings. [J]. Nuclear Science and Techniques 34(7):102(2023)
DOI：

Guan-Hua Wang, Bo-Cheng Jiang, Jian-Hao Tan, et al. Study on crab-cavity-based longitudinal injection scheme and prototype realization of C-band crab cavity for electron storage rings. [J]. Nuclear Science and Techniques 34(7):102(2023) DOI： 10.1007/s41365-023-01257-5.

摘要

Abstract

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.

关键词

Keywords

On-axis injectionCrab cavityBump orbitWakefield

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