Instability calculations for the MIT-Bates South Hall Ring

Author

Jacobs, K.D. ; Demos, P.T. ; Flanz, J.B. ; Zolfaghari, A. ; Wurtele, J. ; Yu, X.T. ; Balewski, K.

Author_Institution

MIT Bates Linear Accel. Center, Middleton, MA, USA

fYear

1991

fDate

6-9 May 1991

Firstpage

1791

Abstract

Instability growth rates and thresholds have been calculated for the MIT-Bates South Hall Ring. Both single bunch and coupled bunch instabilities have been investigated. For single bunch effects, a broadband impedance budget has been developed. Numerical estimates of the impedances of ring components were made, and required to be within the budget. As part of this, the difficulty of fitting computed loss parameters to those derived from the usual broadband impedance model were studied. The authors conclude single bunch instabilities should not be a problem. However, coupled bunch instabilities are a serious concern, since all 1812 of the 2856 MHz RF buckets around the ring are filled.<>

Keywords

electron accelerators; particle beam diagnostics; storage rings; synchrotrons; MIT-Bates South Hall Ring; broadband impedance model; coupled bunch instabilities; ring components; single bunch effects; Buildings; Electron beams; Impedance; Jacobian matrices; Linear accelerators; Nuclear physics; Plasma accelerators; Radio frequency; Storage rings; Tail;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 1991. Accelerator Science and Technology., Conference Record of the 1991 IEEE

Conference_Location

San Francisco, CA, USA

Print_ISBN

0-7803-0135-8

Type

conf

DOI

10.1109/PAC.1991.164779

Filename

164779