Run Coordinator report: summer 2022 w5

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During the past 7 days we continued regular production data taking on the lead target. About 15.5B events have been collected. 60Hz beam modulation issue has been resolved by MCC. Later on this week MCC improved feedback from AC (increased some gains) which had a positive effect on the beam y-position stability: fluctuation amplitude reduced by a factor of two. Amorphous radiator position has been corrected, which helped in resolving the issue with tripping IOC. 2 FCAL bases has been replaced, and new HV values have been set up for FCAL. Data recording has been changed to high-intensity mode, which made a major improvement in livetime stability. The second inner layer of FCAL modules has been unmasked from the GlueX trigger. Currently we switched to empty target mode and will continue with it till the maintenance downtime.


Ilya Larin

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