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

Suppression of emittance variation for the HALF storage ring

THP12
4 Sept 2025, 18:55
1h 35m
Urumqi, Xinjiang, China

Urumqi, Xinjiang, China

Poster Presentation MC2: Beam Dynamics and EM Fields Poster Session

Speaker

Mr Xiaoyu Liu (University of Science and Technology of China)

Description

The Hefei Advanced Light Facility (HALF) is a diffraction-limited storage ring light source. The HALF storage ring lattice has relatively long damping times, which can result in substantial variations in beam emittance when the gaps of insertion devices change. In this paper, we study different ways to suppress the emittance variation of the HALF storage ring, including the usage of damping wigglers in long straight sections, wigglers in short dispersive straight sections and leaked dispersion in long straight sections.

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Author

Mr Xiaoyu Liu (University of Science and Technology of China)

Co-authors

Gangwen Liu (University of Science and Technology of China) Guangyao Feng (University of Science and Technology of China) Penghui Yang (University of Science and Technology of China) Zhenghe Bai (University of Science and Technology of China) Zhouyu Zhao (University of Science and Technology of China)

Presentation materials

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