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User name Bo
Log entry time 15:17:29 on May 07, 2009
Entry number 271514
keyword=Scaler check between L and R arms
During the 3-pass running, I did the redundant scaler check between L-arm
and R-arm runs by choosing some runs randomly. Most of the scaler are
around 1e-4 level, but still find a few scaler around 1e-3 level.
Here is the latest check on run 1925 and 20833. u1 is still around 1e-3
level, no change from the start of the experiment. 1024 Hz clock is at
1e-3 level for target spin = -1. From the end-run summary, I calculate
the data time for the 1925 and 20833 with target spin = -1 and the time
difference is around 1.8 second. It means 1024*1.8 = 1843, which is
consistent to the scaler difference 1900 in end-run summary. The reason
to cause this data time difference is not known right now.
A copy of this log entry has been emailed to: vasulk, jiang, jpchen, doug, tdaver@wm.edu, yqiang
Figure 1
