直线对撞机用软铁和高导磁合金动态磁场屏蔽sub-nT的测量
Measurements of sub-nT dynamic magnetic field shielding with soft iron and mu-metal for use in linear colliders
摘要：
对屏蔽束流和加速器元件免受杂散磁场影响的需求日益增加。讨论了磁屏蔽在直线对撞机中的应用。测量了软铁和高导磁合金对不同幅值和频率的磁场的屏蔽性能。特别注意的是，非常小的振幅磁场的屏蔽性能。
英文摘要：
There is an increasing need to shield beams and accelerator elements from stray magnetic fields. The application of magnetic shielding in linear colliders is discussed. The shielding performance of soft iron and mu-metal is measured for magnetic fields of varying amplitude and frequency. Special attention is given to characterise the shielding performance for very small-amplitude magnetic fields.
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