Status of HEPS Booster Lattice Design and Physics Studies
Status of HEPS Booster Lattice Design and Physics Studies
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DOI：
10.18429/jacow-ipac2018-tupmf062
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发表时间：
2018
期刊：
影响因子：
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通讯作者：
Yuemei Peng;Z. Duan;S. Tian;D. Ji;C. Meng;Yuan Guo;Haisheng Xu;Y. Jiao;Jingyi Li
中科院分区：
文献类型：
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作者：
Yuemei Peng;Z. Duan;S. Tian;D. Ji;C. Meng;Yuan Guo;Haisheng Xu;Y. Jiao;Jingyi Li
提出了在北京建造超低发射度高能光子源的设想。它将利用助推器作为其全部能量注入器。选择轴上交换注入作为储存环的基线注入方案。根据储存环的要求，需要将具有高达2.5nC的聚束电荷的束注入助推器中。然而，受限于横模耦合不稳定性（TMCI），如此高的聚束电荷是具有挑战性的。为了克服这个问题，设计了具有相当大的动量压缩因子的晶格。本文介绍了高能推进器的结构设计和物理研究，包括注入和引出设计、误差研究、涡流效应、集体效应等。
The High Energy Photon Source (HEPS) with an ultralow emittance is proposed to be built in Beijing, China. It will utilize a booster as its full energy injector. On-axis swap-out injection is chosen as the baseline injection scheme for the storage ring. As required by the storage ring, a beam with a bunch charge up to 2.5 nC is needed to be injected in the booster. However, limited by the transverse mode coupling instability (TMCI), such a high bunch charge is challenging. To overcome this problem, a lattice with a considerable large momentum compaction factor is designed. This paper reports the lattice design and physics studies of the HEPS booster, including injection and extraction design, error studies, eddy current effects, collective effects, and so on.