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User name S.Abrahamyan
Log entry time 01:27:39 on June29,2010
Entry number 329008
keyword=Gas Cherenkov mean value
Analysis of mean value of cherenkov adc spctrum is shown on figures.
Run used is #1312. Red spectrum on Figure 1 has cut on PR to select electron events. On Figure 2 in addition to cut on PR cut on trigger type is applyed (trigger_type==5). Adding cut on trigger type(trigger_type==5) made very small change to mean value of the spectrum.