Particle Orbits in Quadrupole-Duodecapole Halo Suppressor
文献类型：期刊论文
| 作者 | Li, Chao1; Xin, Qi2; Yuan, He2; Lei, Yang2; Batygin, Y. K.3 |
| 刊名 | NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
 |
| 出版日期 | 2015-01-11 |
| 卷号 | 770页码:169-176 |
| ISSN号 | 0168-9002 |
| 关键词 | Halo suppression Space charge Focusing channel TOPOPIC |
| DOI | 10.1016/j.nima.2014.09.085 |
| 英文摘要 | Dynamics of continuous space-charged-dominated beam propagating through a periodic quadrupole-duodecapole focusing channel is studied both numerically and analytically using test-particle-core model and Particle-In-Cell (PIC) simulation code TOPOPIC. The results of TOPOPIC indicate that with initially matched beam, utilization of quadrupole-duodecapole channel results in less beam emittance growth and fewer halo particles than that in a pure quadrupole channel. The Poincare section of plot obtained from the test-particle-core model is used to systematically determine the beam intensity dependent resonant dominated behavior of the test-particles, which reveals the mechanism of the halo suppression in quadrupole-duodecapole channel. Results of study show that, for appropriate field strength, the nonlinear duodecapole force removes the resonant structures clue to space charge. Motions of particles, originally trapped in the nonlinear resonant island or chaos region related to space charge, turn out to be along regular tori and these particles have less probability to get into beam halos. (C) 2014 Elsevier B.V. All rights reserved. |
| WOS关键词 | SPACE-CHARGE ; ANISOTROPIC BEAMS ; CHAOTIC BEHAVIOR ; FOCUSING CHANNEL ; STABILITY |
| 资助项目 | Ministry of Science and Technology of China[Y41J22207A] |
| WOS研究方向 | Instruments & Instrumentation ; Nuclear Science & Technology ; Physics |
| 语种 | 英语 |
| 出版者 | ELSEVIER SCIENCE BV |
| WOS记录号 | WOS:000345855200023 |
| 源URL | [http://119.78.100.186/handle/113462/56803]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Li, Chao |
| 作者单位 | 1.Inst High Energy Phys, Beijing 100049, Peoples R China 2.Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China 3.Los Alamos Natl Lab, Los Alamos, NM 87545 USA |
| 推荐引用方式 GB/T 7714 | Li, Chao,Xin, Qi,Yuan, He,et al. Particle Orbits in Quadrupole-Duodecapole Halo Suppressor[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2015,770:169-176. |
| APA | Li, Chao,Xin, Qi,Yuan, He,Lei, Yang,&Batygin, Y. K..(2015).Particle Orbits in Quadrupole-Duodecapole Halo Suppressor.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,770,169-176. |
| MLA | Li, Chao,et al."Particle Orbits in Quadrupole-Duodecapole Halo Suppressor".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 770(2015):169-176. |
入库方式： OAI收割
来源：近代物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。