RF cavity induced sensitivity limitations on Beam Loss Monitors

被引：1

作者：

Kastriotou, M. ^{[1
,2
,3
]}

Degiovanni, A. ^{[1
]}

Sousa, F. S. Domingues ^{[1
]}

Effinger, E. ^{[1
]}

Holzer, E. B. ^{[1
]}

Quirante, J. L. Navarro ^{[1
]}

del Busto, E. N. ^{[1
,2
,3
]}

Tecker, F. ^{[1
]}

Vigano, W. ^{[1
]}

Welsch, C. P. ^{[2
,3
]}

Woolley, B. J. ^{[1
,3
]}

机构：

[1] CERN, CH-1211 Geneva 23, Switzerland

[2] Univ Liverpool, Dept Phys, Liverpool L69 7ZE, Merseyside, England

[3] Cockcroft Inst, Warrington WA4 4AD, Cheshire, England

来源：

INTERNATIONAL CONFERENCE ON LASER APPLICATIONS AT ACCELERATORS, LANET 2015 | 2015年 / 77卷

关键词：

Beam Loss Monitors; BLM; dark current; RF breakdown; electron field emission;

D O I：

10.1016/j.phpro.2015.11.005

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Due to the secondary showers generated when a particle hits the vacuum chamber, beam losses at an accelerator may be detected via radiation detectors located near the beam line. Several sources of background can limit the sensitivity and reduce the dynamic range of a Beam Loss Monitor (BLM). This document concentrates on potential sources of background generated near high gradient RF cavities due to dark current and voltage breakdowns. An optical fibre has been installed at an experiment of the Compact Linear Collider (CLIC) Test Facility (CTF3), where a dedicated study of the performance of a loaded and unloaded CLIC accelerating structure is undergoing. An analysis of the collected data and a benchmarking simulation are presented to estimate BLM sensitivity limitations. Moreover, the feasibility for the use of BLMs optimised for the diagnostics of RF cavities is discussed. (C) 2015 The Authors, Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

引用

页码：21 / 28

页数：8

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