DORIS at 2 x 5 GeV

During the last year the e-e+-storage ring DORIS was changed from a 2 x 3,5 GeV double ring with 2 x 480 bunches circulating to a single ring single bunch machine with a maximum energy of 2 x 5.1 GeV. The modifications in the magnet structure and of the rf system are described. The main problems at...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 1979-06, Vol.26 (3), p.3135-3137
Main Authors: Bothe, W., Degele, D., Dehne, H. C., Febel, A., Gerke, H., Heins, D., Hemmie, G., Hoffmann, K., Holm, K., Jandt, E., Kohaupt, R. D., Kumpfert, H., Mulhaupt, G., Narcib, H., Nesemann, H., Patzold, S., Pingel, H., Piwinski, A., Rossmanith, R., Susta, J., Wille, K., Wrulich, A.
Format: Article
Language:English
Subjects:
Current measurement
Energy measurement
Feedback
Length measurement
Magnets
Nonlinear optics
Optical saturation
Particle beams
Power measurement
Voltage
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Summary:During the last year the e-e+-storage ring DORIS was changed from a 2 x 3,5 GeV double ring with 2 x 480 bunches circulating to a single ring single bunch machine with a maximum energy of 2 x 5.1 GeV. The modifications in the magnet structure and of the rf system are described. The main problems at higher energies were due to magnet saturation and insufficient sextupole strength. To overcome transverse instabilities, a feedback system had to be used. Experimental data in the c.m. energy range of 9.5 to 10.1 GeV were taken successfully with luminosities up to 25 nb-1 per day.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.1979.4329962