【摘 要】
：
中国散裂中子源(CSNS)加速器系统由80MeV的直线加速器和1.6GeV的快循环同步加速器(RCS)构成.CSNS第一阶段采用H-剥离注入方法,将粒子数累积至1.88×1013.注入束流被涂抹在较
【机 构】
：
中国科学院高能物理研究所,中国科学院研究生院,Brookhaven National Laboratory
论文部分内容阅读
中国散裂中子源(CSNS)加速器系统由80MeV的直线加速器和1.6GeV的快循环同步加速器(RCS)构成.CSNS第一阶段采用H-剥离注入方法,将粒子数累积至1.88×1013.注入束流被涂抹在较大的横向相空间内,以减小空间电荷效应.粒子注入后,为了降低由空间电荷效果引起的工作点漂移和工作点弥散,束流分布的均匀性很重要.引入了评估束流分布均匀性的三个参数.为了抑制注入过程中束流发射度和束晕的增长,通过采用三维的模拟程序ORBIT,对不同的横向相空间涂抹方案进行了比较.同时还介绍了工作点、注入峰值流强和斩波调制比等因素对注入过程的影响.
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