Commissioning and Operation of FAST Electron Linac at Fermilab

A. Romanov, C. Baffes, D. Broemmelsiek, K. Carlson, D. Crawford, N. Eddy, D. Edstrom, E. Harms, J. Hurd, M. Kučera, J. Leibfritz, I. Rakhno, J. Reid, J. Ruan, J. Santucci, V. Shiltsev, G. Stancari, R. Thurman-Keup, A. Valishev, A. Warner
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引用次数: 7

Abstract

We report results of the beam commissioning and first operation of the 1.3 GHz superconducting RF electron linear accelerator at Fermilab Accelerator Science and Technology (FAST) facility. Construction of the linac was completed and the machine was commissioned with beam in 2017. The maximum total beam energy of about 300 MeV was achieved with the record energy gain of 250 MeV in the ILC-type SRF cryomodule. The photoinjector was tuned to produce trains of 200 pC bunches with a frequency of 3 MHz at a repetition rate of 1 Hz. This report describes the aspects of machine commissioning such as tuning of the SRF cryomodule and beam optics optimization. We also present highlights of an experimental program carried out parasitically during the two-month run, including studies of wake-fields, and advanced beam phase space manipulation.
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费米实验室FAST电子直线加速器的调试与运行
本文报道了Fermilab accelerator Science and Technology (FAST)设施1.3 GHz超导RF电子直线加速器的束流调试和首次运行结果。直线机的建造已经完成,机器于2017年投入使用。在ilc型SRF低温模块中,最大总束流能量约为300 MeV,能量增益达到创纪录的250 MeV。调整光注入器以产生200个pC束的序列,频率为3 MHz,重复频率为1 Hz。本报告描述了机器调试的各个方面,如SRF低温模块的调谐和光束光学优化。我们还介绍了一个为期两个月的寄生实验项目的重点,包括尾流场的研究和先进的波束相空间操纵。
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