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User name zhangyi
Log entry time 01:58:07 on January 31, 2009
Entry number 258414
This entry is a followup to: 258413
Followups:
- 258416 01/31/09 02:11 zhangyi BB gas cherenkov pmt degrading issue
- 258417 01/31/09 02:12 zhangyi BB gas cherenkov pmt degrading issue
In this entry plots are taken from run#5692, which was taken in Jan20, same condition except the ADC gate change on BB cherenkov. I also looked at the rate of T2 & T6 in both runs and could not find obvious difference. It is consistent with that I cannot find obvious difference in numbers of good electron examples between these two runs, which also have almost same total events.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
