合肥电子储存环自旋响应函数的计算
Calculation of the spin response function in HLS
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摘要: 对电子储存环共振退极化标定能量的原理和步骤进行了描述，重点讨论了在合肥光源(HLS)共振退极化标定电子能量的方法中自旋响应函数的计算，给出自旋响应函数在HLS储存环一个单位周期上的分布。在将来的HLS的退极化实验中，退极化场位置处的自旋反馈函数为1.569 m,根据退极化场的计算结果，需要的退极化时间为60 s。Abstract: The method and experimental process to calibrate the energy of electron beam by resonant depolarization is discussed in this paper. As a characteristic function of spin dynamics, spin response function is an indispensable parameter of depolarization time. The spin response function at Hefei electron storage ring was calculated, and the result of spin response function in a period of the ring was presented. In the experiment of spin depolarization to calibrate HLS beam energy, the spin response function in the position of depolarization is 1.569 m, and the depolarization time is 60 s.
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