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User name ycwang
Log entry time 10:29:41 on November 21, 2008
Entry number 250174
keyword=Good data for the RICH after turned on HV(2200V) from last nightThank you, Bob.
Last night we forget to turn on the RICH HV (2200V) after beam tuning up, so we got the bad data(it actually does not related to DAQ, I am so sorry for thinking in that way before I checked the RICH HV). Later I turned on the HV, but I left the counting house for other reasons.
This morning I replayed one run 3781(200000 events), and find the data
for RICH is good, we missed one ADC channel. We need to find next control
access to plug in it, the data is still acceptable from last night(my
opinion). Figure 1 Figure 2 Figure 3
A copy of this log entry has been emailed to: Robert Michaels
