[clas_members] [New Logentry] RC Daily Summary July 8

holtrop at jlab.org holtrop at jlab.org
Fri Jul 8 08:55:01 EDT 2022

Logentry Text:
RC summary Friday 9am, July 8

No beam all day shift.  
Afternoon: Dominion Power transformer issues, we ramp down magnets to reduce risk.
PD agrees to bring Hall-B up before getting Hall-C to full current.

First beam to hall 19:30
Harp scans completed 20:55
Moller Runs completed 21:35
#150: -84.049 +/- 1.474  https://logbooks.jlab.org/entry/4012453
#151: 79.928 +/- 1.461      https://logbooks.jlab.org/entry/4012460 
22:00: DC HV comm issue requires reset of the main frame in the Hall. 
CLAS12 detector is needed to establish the correct raster parameters.

1:00  Setting up the high current target cold irradiation running. Setting up takes some time.
3:00 Starting 50 nA.
3am - 6am
Target polarization increases over time: https://logbooks.jlab.org/entry/4012563

7:48am Starting production run to establish FT performance after high current run.

Day: https://logbooks.jlab.org/entry/4012117
Swing: https://logbooks.jlab.org/entry/4012345
Owl: https://logbooks.jlab.org/entry/4012503

16262  6.5M Events, Run to establish raster coordinates.
16263  5.6M Events, Establish raster coordinates, larger radius.
16270   currently running. 4nA, previous raster amplitude. Will continue to 50M events for Raffaella to analyze FT performance.


This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/4012645
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