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学术报告:Novel HOM damper design for high current SRF cavities
2017-12-21 | 【
時間:2017年7月12日9:30-11:00
地點:主樓A419
题目:Novel HOM damper design for high current SRF cavities
报告人:Wencan Xu, Brookhaven National Lab
 
摘要:
ERL-Ring eRHIC aims to build a new high current (50 mA), multi-pass (6 passes) ERL to provide 5-18 GeV electron beams to collide with proton beams from existing RHIC.  One critical challenge for eRHIC is to damp HOMs. The average HOM power is up to 8 kW per cavity, and it will get worse when the electron beam spectrum overlaps with cavity HOM spectrum. A novel HOM damping scheme by employing ridge waveguides has been worked out at BNL, which is able to well damp both longitudinal and transversal modes.  This presentation will describe the design of the HOM damping scheme for high current SRF cavities for eRHIC.
報告人簡曆:
徐文灿 于2009年取得北京大学博士学位,之后到Brookhaven National lab工作直到现在。 其中, 
2009-2014,主要負責的ERL超導加速腔的設計,垂直測試和水平的運行,光陰極電子腔的建造和運行。
2014 至今, 除了参加日常的CEC(Coherent electron cooling)和LEREC (Low energy RHIC electron cooling)的超导加速器运行之外,主要负责eRHIC SRF linac 的设计,包括超导加速腔的设计,高阶模耦合器和高功率耦合器, 以及恒温器系统的设计和实验。

 

 


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