Preliminary design and multipacting simulation of a SRF quarter wave electron gun at Peking University

FAN Pei-Liang; ZHU Feng; QUAN Sheng-Wen; LIU Ke-Xin

doi:10.1088/1674-1137/38/5/057002

Chinese Physics C> 2014, Vol. 38> Issue(5) : 057002 DOI: 10.1088/1674-1137/38/5/057002

Preliminary design and multipacting simulation of a SRF quarter wave electron gun at Peking University

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Abstract：
Peking University is designing a new SRF gun that is composed of a quarter wave resonator (QWR) and an elliptical cavity. Compared to the elliptical cavity, the QWR is sufficiently compact at the same frequency and its electric field is quasi-DC. The RF parameters are determined by optimization of QWR cavity structure and the possible multipacting locations are analyzed by 2D MP simulation. The simulation results show that multipacting is not a critical issue for our optimized cavity structure.

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FAN Pei-Liang, ZHU Feng, QUAN Sheng-Wen and LIU Ke-Xin. Preliminary design and multipacting simulation of a SRF quarter wave electron gun at Peking University[J]. Chinese Physics C, 2014, 38(5): 057002. doi: 10.1088/1674-1137/38/5/057002

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Received: 2013-05-29
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Preliminary design and multipacting simulation of a SRF quarter wave electron gun at Peking University

Corresponding author: ZHU Feng,

Received Date: 2013-05-29
Accepted Date: 1900-01-01
Available Online: 2014-05-05

Abstract: Peking University is designing a new SRF gun that is composed of a quarter wave resonator (QWR) and an elliptical cavity. Compared to the elliptical cavity, the QWR is sufficiently compact at the same frequency and its electric field is quasi-DC. The RF parameters are determined by optimization of QWR cavity structure and the possible multipacting locations are analyzed by 2D MP simulation. The simulation results show that multipacting is not a critical issue for our optimized cavity structure.