The Low Energy RHIC Electron Cooler (LEReC) is the world’s first electron cooler using RF-accelerated electron bunches. Recently, the cooling of gold ion beams in RHIC by 1.6 and 2.0 MeV electrons was successfully achieved. Along with the velocity spread and alignment of the electron beam, the space charge force between ions and electrons also plays an important role in the cooling process. In order to investigate the cooling dynamics with bunched electron beams and to provide guidance for the LEReC operation, a simulation code was developed, which includes non-magnetized cooling, Intra-Beam Scattering and the space charge effect. In this paper we present and discuss the simulation results showing how various effects influence the cooling process as well as provide experimental benchmarking of the simulations.

中文翻译：

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基于射频的电子冷却器的冷却模拟和实验基准测试

低能耗RHIC电子冷却器（LEReC）是世界上第一台使用RF加速电子束的电子冷却器。最近，通过1.6 MeV和2.0 MeV电子成功实现了RHIC中金离子束的冷却。伴随着电子束的速度扩散和排列，离子和电子之间的空间电荷力在冷却过程中也起着重要作用。为了研究束状电子束的冷却动力学并为LEReC操作提供指导，开发了一个模拟代码，其中包括非磁化冷却，电子束内散射和空间电荷效应。在本文中，我们介绍并讨论了模拟结果，该结果显示了各种效应如何影响冷却过程，并提供了模拟的实验基准。