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    User name Jin Huang

    Log entry time 23:06:09 on July 05, 2010

    Entry number 330348

    This entry is a followup to: 330340


    keyword=Optics Check: sieve FOUND for L-HRS sieve-in run with T5 trigger

    Sieve holes are found in LHRS run with PID trigger with gas Cer.

    vz was cut on 7.5cm+-3cm. Offset (Ta targe z=~0cm) could due to shift in beam direction and postion after insersion of bending magnet, which vz backprojection is very sensitive to.

    Also cut on agresive electorn pid (cer>200, prl1>400), as well as dp>0.5%.

    A copy of this log entry has been emailed to: riordan, vasulk, schuster@slac.stanford.edu, ntoro@stanford.edu, bogdanw, yqiang

    Figure 1: Run 1772+1773