Matching section to the RFQ using permanent magnet symmetric lens

Author

Kando, M. ; Ikegami, M. ; Dewa, H. ; Fujita, H. ; Shirai, T. ; Okamoto, H. ; Iwashita, Y. ; Kakigi, S. ; Noda, A. ; Inoue, M.

Author_Institution

Inst. for Chem. Res., Kyoto Univ., Japan

Volume

3

fYear

1995

fDate

1-5 May 1995

Firstpage

1843

Abstract

A permanent magnet symmetric (PMS) lens is considered as the final focusing element for the RFQ linac at ICR. The PMS lens, which produces strong axial magnetic field like a solenoid lens, is composed of radially magnetized permanent magnet rings. Because of the low injection energy (50 keV) and a relatively high beam current intended (20 mA), space-charge effects should be taken into account. The beam tracking code PARM-SYL is developed for the purpose, which first reads an output file from PANDIRA for the PMS field and then numerically integrates the equation of motion including the space-charge force The matching section to the RFQ is designed using this code and TRACE-3D

Keywords

beam handling equipment; lenses; magnetic lenses; particle beam dynamics; particle beam focusing; permanent magnets; proton accelerators; 20 mA; 50 keV; ICR; PANDIRA; PARM-SYL; RFQ linac; TRACE-3D; beam tracking code; equation of motion; final focusing element; matching section; permanent magnet symmetric lens; radially magnetized permanent magnet rings; space-charge effects; strong axial magnetic field; Chemicals; Lenses; Linear particle accelerator; Magnetic anisotropy; Magnetic fields; Magnetic materials; Optical materials; Permanent magnets; Perpendicular magnetic anisotropy; Solenoids;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 1995., Proceedings of the 1995

Conference_Location

Dallas, TX

Print_ISBN

0-7803-2934-1

Type

conf

DOI

10.1109/PAC.1995.505381

Filename

505381