Beam dynamics and RF design of trapezoidal IH-RFQ with low energy spread

作     者：聂元存 陆元荣 陈佳洱 颜学庆 郭之虞 朱昆 方家训 

作者机构：State Key Lab of Nuclear Physics and Technology Peking University 

基　　金：Supported by NSFC (19775009) 

出 版 物：《Chinese Physics C》 (中国物理C（英文版）)

年 卷 期：2009年第33卷第S2期

页      码：105-108页

摘      要：Beam dynamics and RF design have been performed of a new type trapezoidal IH-RFQ operating at 104 MHz for acceleration of 14C+ in the framework of RFQ based 14C AMS facility at Peking University. Low energy spread RFQ beam dynamics design was approached by the method of internal discrete bunching. 14C+ will be accelerated from 40 keV to 500 keV with the length of about 1.1 m. The designed transmission efficiency is better than 95% and the energy spread is as low as 0.6%. Combining the beam dynamics design, a trapezoidal IH-RFQ structure was proposed, which can be cooled more easily and has better mechanical performance than traditional RFQ. Electromagnetic field distribution was simulated by using CST Microwave Studio (MWS). The specific shunt impedance and the quality factor were optimized primarily.

主 题 词：low energy spread beam dynamics RF design trapezoidal IH-RFQ 

学科分类：08[工学] 082701[082701] 0827[工学-食品科学与工程类] 

核心收录：

D　O　I：10.1088/1674-1137/33/S2/027

馆 藏 号：203792804...