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Step-like field magnets to transform beam distribution at the CSNS target
Tang JY(唐靖宇); Wei GH(魏国辉); Zhang C(张闯); Tang, JY; Wei, GH; Zhang, C
2007
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
卷号582期号:2页码:326-335
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
摘要The method of using step-like field magnets to obtain a uniform beam distribution at the CSNS target has been studied. This is important to prolong the lifetime of the target vessel and the proton beam window, and to improve the beam utilization. To be effective for the non-linear magnets, the phase advance between the magnets and the target should be close to an integer multiple of pi. The derivations for the phase advance requirement are also given. The two different core beam emittances at the CSNS-I and the CSNS-II are used in the simulations. The simulations show that the method has a good flexibility and that the reduction on the maximum current density at the CSNS target by more than a factor of two can be obtained. The magnets also help to correct the beam center displacement at the, target caused by the jitter or misfiring of the ring extraction kickers, and some simulation results are presented. (c) 2007 Elsevier B.V. All rights reserved.
文章类型Article
关键词step-like field magnets beam distribution maximum current density Kicker misfiring beam spot stability
学科领域Instruments & Instrumentation; Nuclear Science & Technology; Physics; Spectroscopy
DOI10.1016/j.nima.2007.08.182
研究领域[WOS]Instruments & Instrumentation ; Nuclear Science & Technology ; Physics ; Spectroscopy
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语种英语
WOS类目Instruments & Instrumentation ; Nuclear Science & Technology ; Physics, Particles & Fields ; Spectroscopy
WOS记录号WOS:000251500400005
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被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/236990
专题加速器中心
作者单位中国科学院高能物理研究所
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Tang JY,Wei GH,Zhang C,et al. Step-like field magnets to transform beam distribution at the CSNS target[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2007,582(2):326-335.
APA 唐靖宇,魏国辉,张闯,Tang, JY,Wei, GH,&Zhang, C.(2007).Step-like field magnets to transform beam distribution at the CSNS target.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,582(2),326-335.
MLA 唐靖宇,et al."Step-like field magnets to transform beam distribution at the CSNS target".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 582.2(2007):326-335.
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