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    User name mhuang

    Log entry time 02:53:50 on March 04, 2012

    Entry number 363295

    keyword=DB 20110303/db_R/L.vdc.dat update

    I did the VDC time calibration, and updated the DB file for both arms.
    For some reason, the first line of matrix element in db_R.vdc.dat has
    been changed, which caused the R.tr.th distribution shifted a lot. I
    changed it back to the right value. Now the R.tr.th pattern looks normal.
    But low efficiency issue is still there.

    A copy of this log entry has been emailed to: jpchen, jixie, yez, rbziel, melissac, cg2ja