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Design study of beam position monitors for measuring second-order moments of charged particle beams
| Content Provider | Semantic Scholar |
|---|---|
| Author | Yanagida, Kenichi Suzuki, Shinsuke Hanaki, Hirofumi |
| Copyright Year | 2012 |
| Abstract | This paper presents a theoretical investigation on the multipole moments of charged particle beams in two-dimensional polar coordinates. The theoretical description of multipole moments is based on a single-particle system that is expanded to a multiparticle system by superposition, i.e., summing over all single-particle results. This paper also presents an analysis and design method for a beam position monitor (BPM) that detects higher-order (multipole) moments of a charged particle beam. To calculate the electric fields, a numerical analysis based on the finite difference method was created and carried out. Validity of the numerical analysis was proven by comparing the numerical with the analytical results for a BPM with circular cross section. Six-electrode BPMs with circular and elliptical cross sections were designed for the SPring-8 linac. The results of the numerical calculations show that the second-order moment can be detected for beam sizes ^ 420 � m (circular) and ^ 550 � m (elliptical). |
| Starting Page | 012801 |
| Ending Page | 012801 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| DOI | 10.1103/PhysRevSTAB.15.012801 |
| Volume Number | 15 |
| Alternate Webpage(s) | http://inspirehep.net/record/1086110/files/PhysRevSTAB.15.pdf |
| Alternate Webpage(s) | https://doi.org/10.1103/PhysRevSTAB.15.012801 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
