Generation of angular-momentum-dominated electron beams from a photoinjector

Generation of angular-momentum-dominated electron beams from a photoinjector
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从光注入器产生角动量主导的电子束

DOI:
10.1103/physrevstab.7.123501
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发表时间:
2004
影响因子:
--
通讯作者:
J. Wennerberg
J. Wennerberg
中科院分区:
物理3区
文献类型:
--
作者:
Yin;P. Piot;Kwang;N. Barov;S. Lidia;J. Santucci;R. Tikhoplav;J. Wennerberg

文献摘要

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正在研究的各种项目需要由光电注入器产生的角动量主导的电子束。一些提议直接使用角动量主导的束流(例如重离子的电子冷却),而另一些则需要将束流转换为扁平束流(例如光源和线性对撞机的可能电子注入器)。在本文中,我们报告了我们的实验研究的角动量占主导地位的光束产生的光注入器,解决初始条件的角动量的依赖关系。我们还简要地讨论了角动量的去除。实验结果,在费米实验室/NICADD光注入实验室进行的,被认为是在良好的协议与理论和数值模型。
Various projects under study require an angular-momentum-dominated electron beam generated by a photoinjector. Some of the proposals directly use the angular-momentum-dominated beams (e.g. electron cooling of heavy ions), while others require the beam to be transformed into a flat beam (e.g. possible electron injectors for light sources and linear colliders). In this paper, we report our experimental study of an angular-momentum-dominated beam produced in a photoinjector, addressing the dependencies of angular momentum on initial conditions. We also briefly discuss the removal of angular momentum. The results of the experiment, carried out at the Fermilab/NICADD Photoinjector Laboratory, are found to be in good agreement with theoretical and numerical models.