The Study of Media Beta Elliptical Cavities for CADS
Wen Liangjian, Zhang Shenghu, Li Yongming, Wang Ruoxu, Guo Hao, Zhang, Cong, Jia Huan, Jiang Tiancai, Li Chunlong, He Yuan
TL;DR
This paper investigates the design and analysis of medium beta superconducting elliptical cavities at 650 MHz for the China Accelerator Driven Sub-critical System, focusing on optimization, multipacting, HOMs, and RF power.
Contribution
It presents the design optimization and analysis of a 650 MHz medium beta superconducting elliptical cavity for CADS, addressing multipacting and HOM issues.
Findings
Optimized cavity geometry for improved performance.
Identified and analyzed multipacting and HOM effects.
Calculated RF power requirements for the cavity.
Abstract
The China Accelerator Driven Sub-critical System (CADS) is a high intensity proton facility to dispose of nuclear waste and generate electric power. CADS is based on 1.5GeV, 10mA CW superconducting (SC) linac as a driver. The high-energy section of the linac is compose of two families of SC elliptical cavities which are designed for the geometrical beta 0.63 and 0.82. In this paper, the 650 MHz \b{eta}=0.63 SC elliptical cavity was studied including cavity optimization, multipacting, high order modes (HOMs) and generator RF power calculation. Keywords: high current, medium beta, ADS, superconducting cavity, HOMs
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