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    User name jpchen

    Log entry time 00:02:46 on September18,2009

    Entry number 290228

    keyword=swing shift summary

    swing shift summary:

    shift workers: J. P. Chen (SL), B. Zhao (TO), X. Yan (3rd).

    16:00 Moller measuremnet completed near the end of last shift. MCC are backing out Moller mode and Switching to normal beam mode.
    16:15 Got tuning beam, requested to do harp scan once beam is stable.
    16:29, harp done Elog 1487859, beam size reasonable.
    16:29-16:45 requested 40 uA, did a spot++ (changed PS8=1, PS1, PS2=99999) with raster off run4605/24741, then requested raster on, did another spto++ run4606/24742.
    16:50 move target to LH2.
    16:55 requested 98 uA
    16:59 starting production, run 12428.
    Compton is running.
    18:00 Cryotarget HP heater not responding, rebooted ioc, it came back ok.
    19:00 Compton expert had been taken care of resetting HVs etc. which happend a few times since the start of the shift. They told me that I should reset from now on instead of informing them when HV trips.
    19:15 Compton HV tripped, re-start, ok.
    19:30 Compton end-run failed, coda reboot not working, had to kill all coda-start processes, then coda reboot.
    20:15 Compton HV tripped again. Reset.
    21:25 Compton HV tripped again. Reset.
    23:00 stopped Compton, informed Hall B, then have MCC put BHWP IN.
    23:06 flipper not work, charge asymmetry feedback works fine.
    started production with BHWP IN. Restarted Compton.
    23:40 Beam off, MCC infromed us accelerator problems.
    23:47 beam back. resume production.
    24:00 still smooth production.

    production runs with 98 uA on LH2
    12428 16:59-17:56, 99K. BHWP OUT.
    12429 17:56-18:53, 99K
    12430 18:54-19:50, 99K
    12431 19:51-20:31, 69K
    12432-12435 tests
    12436 20:44-21:41, 99K
    12437 21:42-22:39, 99K
    12438 22:40-22:56, 28K.
    12439 23:06-23:43, 64K, BHWP IN,