Speaker
Description
A 4th generation storage ring based light source is being developed in Korea since 2021. The storage ring based on the multi-bend achromat lattice concept may be able to surpass the brightness and coherence. It features about 800 m circumference with 28 cells, 4 GeV e-beam energy. The storage ring girders consist of 140 girders and each cell of girder is composed of five pieces. We have designed prototype girder using new schemes to achieve long-term mechanical stability, vibration suppression and precision adjusting system. Each girder have vertical, transverse and longitudinal adjusting mechanism with ball screw jack. The alignment error between girders should be less than 50 μm. In this report, the conceptual design of the 4GSR girder and support systems are reported.
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