Cavity beam position monitor system for the Accelerator Test Facility 2

被引:7
|
作者
Kim, Y. I. [1 ]
Ainsworth, R. [2 ]
Aryshev, A. [3 ]
Boogert, S. T. [2 ]
Boorman, G. [2 ]
Frisch, J. [4 ]
Heo, A. [1 ]
Honda, Y. [3 ]
Hwang, W. H. [5 ]
Huang, J. Y. [5 ]
Kim, E-S. [1 ]
Kim, S. H. [5 ]
Lyapin, A. [2 ]
Naito, T. [3 ]
May, J. [4 ]
McCormick, D. [4 ]
Mellor, R. E. [6 ]
Molloy, S. [2 ]
Nelson, J. [4 ]
Park, S. J. [5 ]
Park, Y. J. [5 ]
Ross, M. [7 ]
Shin, S. [5 ]
Swinson, C. [8 ]
Smith, T. [4 ]
Terunuma, N. [3 ]
Tauchi, T. [3 ]
Urakawa, J. [3 ]
White, G. R. [4 ]
机构
[1] Kyungpook Natl Univ, Taegu, South Korea
[2] Univ London, John Adams Inst Royal Holloway, Egham, Surrey, England
[3] Natl Lab High Energy Phys, KEK, Tsukuba, Ibaraki 305, Japan
[4] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA
[5] Pohang Inst Sci & Technol, Pohang Accelerator Lab, Pohang 790600, South Korea
[6] Cornell Univ, Lab Elementary Particle Phys, Ithaca, NY 14853 USA
[7] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[8] Brookhaven Natl Lab, Upton, NY 11973 USA
基金
英国科学技术设施理事会;
关键词
D O I
10.1103/PhysRevSTAB.15.042801
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
The Accelerator Test Facility 2 (ATF2) is a scaled demonstrator system for final focus beam lines of linear high energy colliders. This paper describes the high resolution cavity beam position monitor (BPM) system, which is a part of the ATF2 diagnostics. Two types of cavity BPMs are used, C-band operating at 6.423 GHz, and S-band at 2.888 GHz with an increased beam aperture. The cavities, electronics, and digital processing are described. The resolution of the C-band system with attenuators was determined to be approximately 250 nm and 1 mu m for the S-band system. Without attenuation the best recorded C-band cavity resolution was 27 nm.
引用
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页数:16
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