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User name X. Zheng
Log entry time 20:29:56 on January11,2001
Entry number 54358
Followups:
keyword=left arm gas cherenkov problem
Problem exists in left arm gas cherenkov channel #9. The uncorrected ADC spectrum spec_l.gas.adc[9] is much lower than other channels. Though the corrected ADC spectrum looks good (see previous entry about calibration) and we can leave it like this, there might be something wrong (low HV?) with this channel.
FIGURE 1
FIGURE 2