Study on the fringe field and the field interference effects of quadrupoles in the rapid cycling synchrotron of the china spallation neutron source
文献类型：期刊论文
| 作者 | Chen, Jianliang1,2,3; Xu, Shouyan1,2; Lu, Xiaohan1,2; An, Yuwen1,2; Li, Yong1,2; Wang, Sheng1,2,3 |
| 刊名 | Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment
 |
| 出版日期 | 2019-05-21 |
| 卷号 | 927页码:424-428 |
| 关键词 | Csns/rcs Quadrupoles Fringe field effects Fringe field interference effects |
| ISSN号 | 0168-9002 |
| DOI | 10.1016/j.nima.2019.03.002 |
| 通讯作者 | Wang, sheng(wangs@ihep.ac.cn) |
| 英文摘要 | The rapid cycling synchrotron (rcs) of the china spallation neutron source (csns) accelerates beam from 80 mev to 1.6 gev to strike a solid metal target to produce spallation neutrons with a repetition rate of 25 hz. in this kind of high bunch intensity synchrotrons, to suppress the space-charge effect, the large acceptance is always required. for csns, with the design acceptance of 540 pi mm.mrad, the apertures of quadrupoles are quite large, which are comparable to the effective magnet lengths. in this case, the fringe field effect cannot be neglected. for some quadrupoles, the interval between the quadrupole and its neighbor magnet is comparable to the aperture of quadrupole, and the effect of field interference need to be considered. the fringe field and field interference effects have been studied, and by including these effects, the lattice was re-matched based on slicing model of quadrupoles to include these effects. after the re-matched lattice was applied to the beam commissioning of the rcs of csns, the measured twiss parameters are very close to the design parameters. |
| WOS关键词 | MAGNETS ; DESIGN |
| WOS研究方向 | Instruments & Instrumentation ; Nuclear Science & Technology ; Physics |
| WOS类目 | Instruments & Instrumentation ; Nuclear Science & Technology ; Physics, Nuclear ; Physics, Particles & Fields |
| 语种 | 英语 |
| WOS记录号 | WOS:000462142700058 |
| 出版者 | ELSEVIER SCIENCE BV |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2160811 |
| 专题 | 高能物理研究所 |
| 通讯作者 | Wang, Sheng |
| 作者单位 | 1.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China 2.Dongguan Neutron Sci Ctr, Dongguan 523803, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Jianliang,Xu, Shouyan,Lu, Xiaohan,et al. Study on the fringe field and the field interference effects of quadrupoles in the rapid cycling synchrotron of the china spallation neutron source[J]. Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment,2019,927:424-428. |
| APA | Chen, Jianliang,Xu, Shouyan,Lu, Xiaohan,An, Yuwen,Li, Yong,&Wang, Sheng.(2019).Study on the fringe field and the field interference effects of quadrupoles in the rapid cycling synchrotron of the china spallation neutron source.Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment,927,424-428. |
| MLA | Chen, Jianliang,et al."Study on the fringe field and the field interference effects of quadrupoles in the rapid cycling synchrotron of the china spallation neutron source".Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment 927(2019):424-428. |
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