论文标题
原则上的直接测量Landau阻尼强度在大型强生对撞机上具有抗抑制剂
Proof-of-principle direct measurement of Landau damping strength at the Large Hadron Collider with an anti-damper
论文作者
论文摘要
Landau阻尼是确保粒子加速器中集体束稳定性的重要机制。精确的了解Landau阻尼的知识是对最先进的高能量攻面者进行梁稳定性的准确预测的关键。在本文中，我们展示了一种实验过程，该程序将允许使用主动横向反馈作为光束耦合阻抗的可控源来量化Landau阻尼的强度和梁稳定性的限制。在在大型强子撞机稳定性图上进行的一系列Landau Octupole强度的原理测试中。将来，该过程可能会成为测量整个机器周期稳定性图的准确方法。
Landau damping is an essential mechanism for ensuring collective beam stability in particle accelerators. Precise knowledge of how strong Landau damping is, is key to making accurate predictions on beam stability for state-of-the-art high energy colliders. In this paper we demonstrate an experimental procedure that would allow quantifying the strength of Landau damping and the limits of beam stability using an active transverse feedback as a controllable source of beam coupling impedance. In a proof-of-principle test performed at the Large Hadron Collider stability diagrams for a range of Landau Octupole strengths have been measured. In the future, the procedure could become an accurate way of measuring stability diagrams throughout the machine cycle.
