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在合肥同步辐射储存环中由于四极铁的旋转误差和在六极铁中垂直方向的闭轨畸变等 ,导致电子水平和垂直两个方向的运动的耦合 ,耦合度达到 1 2 % (测量值 )。为降低束流的横向耦合度 ,提高光源亮度 ,拟在储存环中安装斜四极铁 ,探讨了斜四极铁的设计及安装的方法。
In the Hefei synchrotron radiation storage ring, the coupling between the electron level and the vertical motion is 12% due to the rotation error of the quadrupole and the vertical orbit distortion in the hexapole. The measured value ). In order to reduce the lateral coupling of the beam and increase the brightness of the light source, it is proposed to install the oblique quadrupole in the storage ring and to discuss the design and installation of the oblique quadrupole.