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    User name ent

    Log entry time 23:53:56 on November 5,2010

    Entry number 338743

    keyword=swing shift summary

    16:00 Hall in controlled access for target cooldown
    17:45 Apparently a slug of gas was released in the upstream beam line, so waiting for roughing pumps between various gate valves. One more hour or so.
    18:45 HRS momentum at 1.864. Beam permit, empty target. Compton HV on.
    19:05 BPM check, beam position o.k. at 5 muA. Ask for Harp scan.
    19:20 Harp scans o.k., move to hydrogen target
    19:30 Ask for 3 muA, get it 5 minutes later. Calorimeter HV on.
    19:35 Start LH2 run at new kinematics, start Compton run.
    19:45 Asked for controlled access as a fastbus cable is missing.
    20:30 Start LH2 run 8394
    21:15 Start Compton vertical scan & run 8395
    22:55 Still Compton vertical scanning with Alexandre looking at data, and run 8396 ongoing.
    22:55 Start run 8397
    23:10 Stopped as DAQ dead time 100%, start run 8398
    23:45 Some TS11 & ROC17 problems, crashing and causing 100% dead time to end runs 8396, 8397 and 8398. Bob Michaels will come in. We are busy with run 8399 now.