[Xrayops] Elevated Horizontal Beam Motion

[APS Experiment Hall X-ray Operations Problem List]

On 20 February 2011, 30Hz horizontal beam motion was elevated slightly to 1.2 
microns from 13:53-14:09. It appeared to coincide with a change in user gap 
settings. The beam motion has returned to normal baseline levels.


ASD Operations Group
Main Control Room
(630) 252-9424