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User name Yi Qiang
Log entry time 12:16:21 on December 07, 2008
Entry number 252411
This entry is a followup to: 252401
Followups:
keyword=Events associated with polarization historyI checked the event history for the items which may be related to the polarization change and marked them on the polarization history. Still not sure about the reason for the polarization drop. Possibilities are: 1) Reheat/temperature change make the cell degraded 2) Q-wave plate related 3) Natural degradation due to aging/radiation
A copy of this log entry has been emailed to: jpchen@jlab.org,tdaver@wm.edu,chiran@jlab.org,jinhuang@jlab.org,zhangyi@jlab.org,
Figure 1
