User name fieschi
Log entry time 00:08:23 on October29,2004
Entry number 135277
keyword=shift summary16.00 tuned beam (4uA) empty target
17.00 HV problem with PA :
- channel 4 Slot 3 tripped
- channel 6 Slot 9 tripped
DC current too high : we stop the PA HV
17.30 HV for calorimeter and PA set off
beam tests until 20.00 (30uA)
20.00 no raster 2.5uA
harp scan beam looks OK
20.19 Set beam position X=0 X=1.4mm
20.27 start run TWO ARM (optics) 4145
20.36 end run 4145
20.40 start run TWO ARM (LH2) 4147
20.47 end run 4147
20.48 start run 4148
21.24 end run 4148
21.24 start run 4149
21.57 end run 4149
Problem with trigger pedestal -> fixed
21.57 start run 4150
22.43 end run 4150
22.43 start run 4151
23.28 HV problem on proton array
23.30 end run 4151
23.30 start run 4152
23.39 bleedthrough measurement : 0.24%
FIGURE 1
