EM Design of a f =325 MHz,β=0.52 Double Spoke Superconducting Cavity

JIANG Tiancai; HE Yuan; ZHANG Shenghu; LU Xiangyang

doi:10.11804/NuclPhysRev.32.01.054

JIANG Tiancai, HE Yuan, ZHANG Shenghu, LU Xiangyang. EM Design of a f =325 MHz,β=0.52 Double Spoke Superconducting Cavity[J]. Nuclear Physics Review, 2015, 32(1): 54-58. DOI: 10.11804/NuclPhysRev.32.01.054

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EM Design of a f =325 MHz,β=0.52 Double Spoke Superconducting Cavity

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The EM design of a 325 MHz β= 0.52 superconducting double Spoke cavity has been finished at Institute of Modern Physics (IMP), Chinese Academy of Sciences(CAS). In this paper, the optimization of the Spoke base is described in detail. The goal is to minimize the peak surface field and maximize the shunt impedance. The common cylinder is replaced by the racetrack shape for the Spoke base. The transverse racetrack Spoke base can offer a better RF property than the longitudinal racetrack Spoke base, which meet the requirement of the C-ADS. The simulation of multipactor finished by CST Particle Studio is also presented, which gives a promising result that there is no multipactor around working voltage.

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EM Design of a f =325 MHz,β=0.52 Double Spoke Superconducting Cavity

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