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    User name jpchen

    Log entry time 23:56:32 on September24,2009

    Entry number 291499

    keyword=swing shift summary

    Swing shift summary:

    shift workers: J. P. Chen(SL), M. Muangma (TO), M. Huang (3rd)

    16:00 production data taking, 100 uA on LH2.
    16:20 beam off, RF problem.
    17:03 beam back.
    17:20-17:17:30 beam trippy.
    17:30-21:50 smooth data taking.
    19:24 spot++, raster size 6x5 (MCC 10x10)
    21:25 spot++ again, same as previous one.
    21:50-22:20 Test for pita slope. stopped Compton. turned off dithering.
    22:20-23:40 Detector linearity (LED) test, with 50 uA.
    22:45 Friend made a change to BCM cable U3/U1_right for Compton purpose, see halog 291488.
    22:45 Compton restarted.
    23:45 Back to 100 uA, production. dithering back on. pita feedback with new slope (-4749 ppb/V).
    24:00 production run continue to next shift.

    run info:
    12643 17:03-17:59, 100K. 98 uA on LH2.
    12644 18:05-19:01, 100K.
    12645 19:02-19:58, 100K.
    12646 19:59-20:51, 100K.
    12647 20:56-21:53, 100K.
    12648 pita scan
    12649-12653 LED test runs
    12654 23:45- still on-going at the end of shift.