Electrodynamic calculations of the 4-rod-RFQ resonator for the Heidelberg high current injector

Author

Podlech, H. ; Grieser, M. ; Hahn, R.V. ; Repnow, R. ; Schwalm, D.

Author_Institution

Nat. Supercond. Cyclotron Lab., Michigan State Univ., East Lansing, MI, USA

Volume

4

fYear

2001

fDate

2001

Firstpage

3069

Abstract

At the Max-Planck-Institut fur Kernphysik, a new type of accelerator is under operation which consists of a CHORDIS and an ECR ion source, two directly coupled 4-Rod-RFQ and eight 7-gap resonators. The RFQs are designed to accelerate ions with a minimum charge to mass ratio of q/A=1:9 up to an energy of 0.478 MeV/u. Both RFQ resonators operate at a frequency of 108.48 MHz with a maximum pulsed power of 90 kW (25% duty factor). The development of the RFQ resonators was accompanied by extensive numerical simulations with the code MAFIA. We present the results of electrostatic calculations with modulated electrodes and the results of electrodynamic simulations of RFQ resonators

Keywords

accelerator RF systems; accelerator cavities; cavity resonators; electrodynamics; electrostatics; linear accelerators; particle beam injection; 4-rod-RFQ resonator; 7-gap resonators; CHORDIS; ECR ion source; Heidelberg high current injector; MAFIA; Acceleration; Apertures; Capacitance; Electrodes; Electrodynamics; Electrostatics; Impedance; Ion beams; Resonance; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 2001. PAC 2001. Proceedings of the 2001

Conference_Location

Chicago, IL

Print_ISBN

0-7803-7191-7

Type

conf

DOI

10.1109/PAC.2001.988007

Filename

988007