[Xrayops] RMS beam motion from 16:15 to 16:16 on 12/3/11

APS Experiment Hall X-ray Operations Problem List xrayops at mailman.aps.anl.gov
Sat Dec 3 16:27:23 CST 2011

16:16 - Topup has been temporarily suspended. Vadim Sajaev opened RT feedback loops, collected SR data for ~15 seconds, and closed RT feedback loops. This was done as a part of investigation into 100Hz RMS beam motion in the vertical plane reported at 4-ID. Topup has been restarted. There was excessive RMS beam motion from 16:15 to 16:16.

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