[Xrayops] Horizontal beam motion

APS Experiment Hall X-ray Operations Problem List xrayops at mailman.aps.anl.gov
Sun Jun 20 22:46:04 CDT 2010

At approximately 22:28 there was a 30Hz horizontal beam motion spike of 
~5microns. This was accompanied by 100Hz horizontal beam motion. There 
was another spike of less than 2 microns at 22:32. Since this time 30Hz 
and 100Hz horizontal beam motion has fallen to near normal levels. No 
cause has been determined for this motion.


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