论文标题
大型强子对撞机的横梁光谱中50 Hz谐波的起源
Origin of the 50 Hz harmonics in the transverse beam spectrum of the Large Hadron Collider
论文作者
论文摘要
自大型强子对撞机（LHC）调试开始以来，在横梁光谱中观察到了电源频率（50 Hz）的谐波的光谱成分。本文概述了在2018年LHC的最新物理操作期间收集的最重要的观察结果，这清楚地表明谐波是真实光束激发而不是仪器功能的结果。基于这些发现，讨论了扰动的潜在来源，并提出了与源自磁铁电源的电源涟漪的相关性。
Since the beginning of the Large Hadron Collider (LHC) commissioning, spectral components at harmonics of the mains frequency (50 Hz) have been observed in the transverse beam spectrum. This paper presents an overview of the most important observations, collected during the latest physics operation of the LHC in 2018, which clearly indicates that the harmonics are the result of a real beam excitation rather than an instrumental feature. Based on these findings, potential sources of the perturbation are discussed and a correlation with power supply ripple originating from the magnets' power supplies is presented.
