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Figure 5
Horizontal periodic orbit fluctuations for the solo helicity switching of ID23 at 1 Hz observed by BPM23-2 and 46-2 compared before (blue) and after (red) modification of the excitation patterns for the corrector magnets. The green line shows the fluctuation without the helicity switching. Frequency spectra for the BPM23-2 data are also shown.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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