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User name D.Wang
Log entry time 21:15:00 on November17,2009
Entry number 300626
keyword=Testing compton HV at low curentCompton run 21049 was testing compton HV with 2 uA beam. Gain was 1. Started with HV at 1450. The base current was stable as the HV increased. But at the time around 20:53 with HV 1750, the rate went crazy suddenly and the base current became unstable. Afterwards, the base current was not so stable as I lower the HV. Turned off HV for high current at the end.
FIGURE 1
