17–22 May 2026
C.I.D
Europe/Zurich timezone

Study of Beam Coupling Impedance and Instabilities for the Super Tau-Charm Facility

THP5647
21 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Poster Presentation MC5.D05: Coherent and Incoherent Instabilities Theory, Simulations, Code Development Poster session

Speaker

Tianlong He (University of Science and Technology of China)

Description

The Super Tau-Charm Facility (STCF), a next-generation electron-positron collider in China, is designed to achieve a peak luminosity above 0.5 × 10³⁵ cm⁻²s⁻¹ at 4 GeV in the center-of-mass frame. This paper investigates beam instability issues for the STCF, with the aim of identifying and mitigating risks from coupling impedance. Our work analyzes key contributors such as coherent synchrotron radiation, resistive-wall, and geometrical impedances, and evaluates their role in driving both single-bunch and multi-bunch instabilities.

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Authors

Demin Zhou (High Energy Accelerator Research Organization) Jingyu Tang (University of Science and Technology of China) Tianlong He (University of Science and Technology of China) Weiwei Li (University of Science and Technology of China) Dr Ye Zou (University of Science and Technology of China) Zeyuan Meng (University of Science and Technology of China)

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