User name Xiaohui
Log entry time 06:06:35 on May16,2008
Entry number 238209
keyword=FPP HV ScanWe did the Fpp HV
HV runno
1750 1148
1770 1149
1800 1150
1825 1152
1850 1153
1875 1154
1900 1155
I plotted the chamber efficiency vs the HV. And decided to set at 1825 starting from run 1159.
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FIGURE 1
