Title :
Measurements of vacuum chamber impedance effects on the stored beam at CESR
Author :
Billing, M. ; Greenwald, Z. ; Hartung, W. ; Lou, W.R. ; Pisharody, M. ; Rogers, J. ; Sagan, D. ; Sikora, J.
Author_Institution :
Lab. of Nucl. Studies, Cornell Univ., Ithaca, NY, USA
Abstract :
Within the last year CESR (Cornell Electron Storage Ring) has changed its mode of operation from 7 nearly equally spaced bunches in the two counter-rotating beams to 9 trains of 2 bunches in each of the beams as the next step in the upgrade of the facility toward higher beam currents and increased luminosity. The upgrade program has included work to understand and document the transverse stability of a single beam composed of trains of bunches. Initial results from this work will be reported here
Keywords :
beam handling techniques; electric impedance measurement; electron accelerators; particle beam diagnostics; particle beam stability; storage rings; vacuum apparatus; CESR; Cornell Electron Storage Ring; bunch trains; counterrotating beams; single beam; stored beam; transverse stability; upgrade program; vacuum chamber impedance effects measurements; Current measurement; Electron beams; Frequency; Impedance measurement; Laboratories; Niobium; Nuclear measurements; Particle beam measurements; Particle beams; Storage rings;
Conference_Titel :
Particle Accelerator Conference, 1995., Proceedings of the 1995
Conference_Location :
Dallas, TX
Print_ISBN :
0-7803-2934-1
DOI :
10.1109/PAC.1995.505830
