Higher multipoles due to magnetization of the superconductor in 4-cm- and 5-cm-bore Superconducting Super Collider (SSC) superconducting dipole magnets have been observed. The use of a passive superconductor to correct the magnetization sextupole has been demonstrated on two dipoles built by the Lawrence Berkeley Laboratory. In the present work, it is shown how passive correction can be applied to the 5-cm SSC dipoles to remove sextupole and decapole caused by magnetization of the dipole superconductor. Two passive superconductor corrector options are presented. Both methods of passive superconductor correction will reduce magnetization sextupole at injection at 1 TeV or above any order magnitude or more over a wide range of operating temperatures. Increasing the diameter of the filament in block 1 increases the magnetization decapole at injection while the separate passive superconductor method reduces magnetization decapole. Both methods of correction reduce the magnetization sextupole whether the field is rising or falling. The change in magnetization sextupole and decapole due to flux creep decay of the superconductor during injection can be partially compensated for by using the passive superconductor.
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机译：已经观察到由于超导体在4厘米和5厘米孔的超导超级对撞机（SSC）超导偶极子磁体中的磁化而产生的更高的多极子。劳伦斯·伯克利实验室（Lawrence Berkeley Laboratory）建造的两个偶极子已证明了使用无源超导体来校正磁六极管。在目前的工作中，显示了如何对5 cm SSC偶极子进行无源校正，以消除由偶极子超导体的磁化引起的六极和十极。提出了两种无源超导体校正器选项。两种无源超导体校正方法都可以在很宽的工作温度范围内以1 TeV或更高任何数量级或更高的幅度减小注入时的磁化六极。增大方框1中灯丝的直径会增加注入时的磁化十极，而单独的无源超导体方法会减小磁化十极。无论磁场是上升还是下降，两种校正方法都可以减小磁化六极。通过使用无源超导体，可部分补偿由于超导体在注入过程中的磁通蠕变衰减而引起的磁化六极和十极的变化。
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