Status of the ELSA facility. Last results at high efficiency and first test of a 60 parameters, on line tunable wiggler

Prior to the 1995 shutdown of the ELSA facility, we recorded our first time-resolved photon spectra. They clearly showed the chaotic behaviour predicted at high coupling but their low signal-to-noise and time resolution precluded a fine analysis. A new high-sensitivity, high-speed spectrometer shoul...

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Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 1996-06, Vol.375 (1), p.373-376
Main Authors: Guimbal, Ph, Binet, A., Blésès, J.P., Fontenay, V., Joly, S., Loulergue, A., Marmouget, J.G., Pranal, Y., Rodolfo, J., Sabary, F., Striby, S., Touati, D.
Format: Article
Language:English
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Summary:Prior to the 1995 shutdown of the ELSA facility, we recorded our first time-resolved photon spectra. They clearly showed the chaotic behaviour predicted at high coupling but their low signal-to-noise and time resolution precluded a fine analysis. A new high-sensitivity, high-speed spectrometer should overcome these limits. We also successfully tested a new device based on secondary emission to acquire time-resolved electron spectra and we made preliminary tests of the 60-parameters-on-line tapering of the TRIA wiggler. The facility is to be run again at the end of the year with an improved level of performance and reliability.
ISSN:0168-9002
1872-9576
DOI:10.1016/0168-9002(95)01206-0