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在交汇段设计理论的基础上,针对北京大学ERL的具体情况,对交汇段的束流传输结构进行了优化设计,通过模拟得到了满足要求的一组设计参数;研究了空间电荷效应以及相干同步辐射对束流发射度、能散及包络的影响。结果表明:空间电荷效应对发射度影响不大,但对束流包络影响较明显;相干同步辐射引起的发射度增长及能散较小,且不影响束流包络。
Based on the design theory of intersection section, according to the specific situation of ERL of Peking University, the beam transmission structure at the intersection is optimized and a set of design parameters satisfying the requirements is obtained. The space charge effect and coherent synchronization Effect of radiation on beam emission, dispersion and envelope. The results show that the space charge effect has little effect on the emissivity, but the effect on the beam envelope is obvious. The increase of the emissivity and the energy dispersion caused by the coherent synchrotron radiation are small and do not affect the beam envelope.