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User name slifer
Log entry time 23:59:37 on September21,2006
Entry number 184499
keyword=shift summary
04:25pm beam restored to hall.
-->setting up DAQ, prescale, raster, etc.
-->small problem with DAQ. Right arm run number not updating.
05:35pm Run 5014/25014. Carbon run. Raster on. 700K
05:55pm beam down, tuning to hall b.
-->cosmic run 5015/25025
06:10pm beam back to hall. run 5016/25016 780K
06:20pm beam down.
-->cosmic runs 5017/25026 to 5023/25023
-->A. Camsonne adjusted HV for S1 during this time
07:25pm beam back to hall. run 5024/25024 2M events
-->Alex makes further adjustment to S1 HV at the end of run.
-->run 5025/25025 : short run to check effect of HV change.
-->further HV adjustments.
08:10pm All adjustments complete
-->run 5027/25027 1st production run 1.3M
-->run 5028/25028 2nd production run 1.0M
-->run 5029/25029 3rd production run 1.0M
08:55pm Rates/Deadtime test. Prescaler set to 1
-->run 5030/25030 4uA DT=20%(L) 10%(R) 1.0M
-->run 5031/25031 10uA DT=38%(L) 23%(R) 700K
09:20 MCC performing tests. Beam down.
09:45 beam back to hall. Continue rate test
-->run 5032/25032 10uA DT=37%(L) 23%(R) 1.0M
-->run 5033/25033 800K. Current not stable, aborted.
-->run 5034/25034 25uA DT=54%(L) 38%(R) beam still not stable.
-->Cancel rate test till dayshift when it is more likely to have stable beam.
10:17pm Target to TA.
-->Beam down as MCC tries to deliver to Hall B.
10:30pm beam on target.
-->run 5035/25035 500K
11:10pm Target to 4cm LD2
-->run 5036/25036 1.M (NOTE: Target fan speed was only 24HZ for this run)
-->Increased Target fan speed to 48HZ
-->run 5037/25037 1.3M
-->run 5038/25038 1.0M