2–5 Sept 2025
Urumqi, Xinjiang, China
Asia/Shanghai timezone

Minimizing the fluctuations of storage ring resonance driving terms using the step-by-step chromaticity compensation method

THP04
4 Sept 2025, 18:55
1h 35m
Urumqi, Xinjiang, China

Urumqi, Xinjiang, China

Poster Presentation MC2: Beam Dynamics and EM Fields Poster Session

Speaker

Wanbin Li (University of Science and Technology of China)

Description

Our recent studies showed that reducing the fluctuations of resonance driving terms (RDTs) can enlarge the dynamic aperture (DA) of a storage ring very effectively. In this paper, we use the step-by-step chromaticity compensation method to minimize RDT fluctuations for DA optimization. For the minimization of third-order RDT fluctuations, this method yields the same optimization result as evolutionary algorithms. Crucially, however, this method exhibits faster convergence than evolutionary algorithms.

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Author

Wanbin Li (University of Science and Technology of China)

Co-authors

Bingfeng Wei (University of Science and Technology of China) Yuejing Huang (University of Science and Technology of China) Zhenghe Bai (University of Science and Technology of China) Zihan Wang (University of Science and Technology of China)

Presentation materials

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