Design and commissioning of a wideband RF system for CSNS-II rapid-cycling synchrotron

分类： 工程与技术科学 >> 工程物理学 分类： 核科学技术 >> 粒子加速器 提交时间： 2023-12-13

Wu,Jian Li,xiang Wu,Bin Zhang,Chunling Liu,Yang Long,Wei Li,Xiao

摘要： The China Spallation Neutron Source (CSNS) upgrade project (CSNS-II) aims to enhance the beam power from 100 to 500 kW. A dual-harmonic accelerating method has been adopted to alleviate the stronger space-charge effect in rapid-cycling synchrotrons owing to the increased beam intensity. To satisfy the requirements of dual-harmonic acceleration, a new radiofrequency (RF) system based on a magnetic alloy-loaded cavity is proposed . This paper presents design considerations and experimental results regarding the performance evaluation of the proposed RF system through high-power tests and beam commissioning. The test results demonstrate that the RF system satisfies the desired specifications and affords significant benefits for CSNS-II .

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