Construction of a 714-MHz RF system for the ATF damping ring

Author

Sakanaka, S. ; Kubo, K. ; Hinode, F. ; Hayano, H. ; Urakawa, J. ; Minty, M.G.

Author_Institution

High Energy Accel. Res. Organ., KEK, Ibaraki, Japan

Volume

3

fYear

1997

fDate

12-16 May 1997

Firstpage

2980

Abstract

A 714-MHz RF system for the Accelerator Test Facility (ATF) damping ring has been constructed and commissioned. The RF system comprises two higher-order-mode (HOM) damped cavities, a 50-kW klystron, a WR-1150 waveguide network and low-level RF electronics. By using HOM-damped cavities, longitudinal and transverse coupled-bunch instabilities can be avoided even at a maximum beam current of 600 mA. A low-level control scheme, which can manage heavy transient beam loading, was designed, and a subset of the system was implemented. We report in this paper the construction and commissioning of this RF system

Keywords

accelerator RF systems; accelerator cavities; accelerator control systems; electron accelerators; klystrons; particle beam bunching; particle beam stability; storage rings; 50 kW; 600 mA; 714 MHz; ATF damping ring; Accelerator Test Facility; HOM damped cavities; RF system construction; WR-1150 waveguide network; commissioning; coupled-bunch instabilities; heavy transient beam loading; higher-order-mode damped cavities; klystron; low-level RF electronics; low-level control scheme; Damping; Impedance; Klystrons; Life estimation; Linear accelerators; Particle beams; Radio frequency; Structural beams; Test facilities; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 1997. Proceedings of the 1997

Conference_Location

Vancouver, BC

Print_ISBN

0-7803-4376-X

Type

conf

DOI

10.1109/PAC.1997.753081

Filename

753081