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

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

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摘要 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. 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.

作者范培亮朱凤全胜文刘克新

机构地区 State Key Laboratory of Nuclear Physics and Technology

出处《Chinese Physics C》 SCIE CAS CSCD 2014年第5期87-92,共6页 中国物理C（英文版）

基金 Supported by National Basic Research Project(2011CB808302) National Natural Science Funds(11075007)

关键词 QWR multipacting electron gun QWR, multipacting, electron gun

分类号 TN14 [电子电信—物理电子学]

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Chinese Physics C

2014年第5期

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

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