Commissioning of a higher harmonic RF system for the Advanced Light Source

被引：17
|
作者：
Byrd, JM
De Santis, S
Georgsson, M
Stover, G
Fox, JD
Teytelman, D
机构：
[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source Div, Berkeley, CA 94720 USA
[2] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA
[3] Stanford Linear Accelerator Ctr, Menlo Pk, CA 94025 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2000年 / 455卷 / 02期
关键词：
storage rings; radio frequency cavities; Touschek lifetime; coupled bunch instabilities;
D O I：
10.1016/S0168-9002(00)00504-0
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We report on the commissioning of a higher harmonic RF system designed to improve the Touschek lifetime of the Advanced Light Source. In our best results, we have achieved over a factor of two increase in the beam lifetime. Transient beam loading of the harmonic cavities by unequal fill patterns presents the greatest limitations on lifetime improvement. We also describe several interesting effects of the harmonic cavities on the operation of the longitudinal and transverse multibunch feedback systems. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：271 / 282
页数：12
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