国家同步辐射实验室储存环中Q铁水平位移的准直与校正研究

Study on Alignment and Survey of Q Magnets' Horizontal Place and Their Adjustment

Q铁(四极铁)在同步加速器或储存环中担任聚焦元件,如果它们的横向位置偏离了设计值,加速器将产生束流轨道的畸变。本工作主要研究在通过平面网测量获得各Q铁的水平位置偏移时,通过轨道的拟合,使需要调节的Q铁数量和径向位移调节量尽量小的一种方法,在储存环的位移准直监测和调整方面具有实际意义。

In an accelerator or a storage ring, Q magnets are used as focusing units. If their horizontal places deviate from the designed ones, beam orbit deformation will occur. A method that how to fit the orbit and how to make the adjusted Q magnets＇ number and the adjusted amount of the displacement in the radius directions as little as possible, after getting the horizontal deviation of the Q magnets by horizontal network surveying, is discussed. It has practical significance in the aspects of alignment survey of displacement and adjustment on storage ring.