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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%.
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Figure 1: Run 1772+1773