[Xrayops] beam motion

APS Experiment Hall X-ray Operations Problem List xrayops at mailman.aps.anl.gov
Sat Feb 27 01:11:41 CST 2010

On Saturday February 27th, 2010 @00:58 minor horizontal 30hz beam motion 
started. This may be due to an earthquake, the SR circumference is 
changing ~ + & -9 microns. Operations is monitoring the situation.

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