Transmission efficiency improvement of the injector line of SFC by particle beam decorrelation

分类： 核科学技术 >> 粒子加速器 提交时间： 2023-06-18 合作期刊: 《Nuclear Science and Techniques》

YANG Yao YUAN You-Jin FENG Yu-Chen SUN Liang-Ting FANG Xin LU Wang ZHANG Wen-Hui CAO Yun ZHANG Xue-Zhen ZHAO Hong-Wei

摘要： The operation of the HIRFL accelerator has shown that the beam transmission efficiency of the sector focusing cyclotron (SFC) injector line is rather poor. Beam simulations have been performed to investigate the possible causes for this low transmission. It is predicted that the property of transversal coupling of the ion beam from electron cyclotron resonance (ECR) ion source can be an important factor to degrade the beam quality by increasing the beam emittance, resulting in a serious particle loss. An improved operation scheme for the SECRAL associated line has been proposed, and the corresponding experiment was carried out. This paper presents the test results.

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