Operators: yxiao degrush ----
Got beam around 12:00 then began to take unpol H2 (0.1 sccm) data; no target
holding field, Blast field = 30%, trigger = physics.settings . Run 3102-3108 were
taken and have been crunched.
WC L21 and R24 tripped every 5 min at 3800 V, but quiet after being lowered to
3750 V. So for run 3103-3108, L21 & R24 = 3750 V.
The S/N's WC boxes were not very good. For each sector, S/N's of box #0 and
#3 were around 1.1, and others were around 2.0 . Another mystery was that TDC
background of different channels was not flat -- higer at the two ends, and lower
at the middle. See the attached files.
This archive was generated by hypermail 2.1.2 : Mon Feb 24 2014 - 14:07:30 EST