Speaker
Yelong Wei
(University of Science and Technology of China)
Description
A compact TM020-mode RF cavity has been proposed and studied by KEK and RIKEN for storage ring of Nano-terasu facility. However, the leakage power of the accelerating mode into the coaxial slots is an issue to limit its performance. This paper presents an improved TM020-mode cavity in order to solve this issue. By employing el-liptical choke, the leakage can be significantly reduced. Harmful parasitic modes other than the TM020-mode can be heavily suppressed using such elliptical choke located at the magnetic nodes of the TM020-mode. Through optimizations, this improved TM020-mode RF cavity meets the requirements of the Super Tau Charm Facility (STCF) collider rings with a beam current of up to 2 A.
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Author
Yelong Wei
(University of Science and Technology of China)
Co-author
Chengzhe Wang
(University of Science and Technology of China)
