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Date: Mon Jan 7 00:01:27 2002, Shift: 16:00-24:00
Supervisor: kh, with:
Log book#12 pages 9 - 13
Shift Summary:
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A fairly productive shift. Had beam right at the beginning
of the shift and started a 0 field run. Shortly thereafter
MCR called and asked if we wanted to keep the beam as it
was not polarized. I said keep it. They called 5 minutes
later saying they would dump because 4 out of the other 5
experiments wanted to dump. Came back about 18:00 and
that has lasted until shift end.
Achievements:
Runs trig 3 trig 6 FS MRS
effective effective
6315 34908 12512 12 deg 0 field (D1=0) 35 4A
6316 68881 22835 12 deg 0 field (D1=1/8) 35 4A
6317 73264 23816 12 deg 1/8 field 35 4A
6318 180525 63713 12 deg 1/8 field 40 4A
Run 6318 still running at shift end. Numbers indicate
statistics at shift end.
The run goal for MRS at 35 deg setting 4A was achieved with
462k events effective. I therefore moved the MRS to 40
as can be seen for run 6318
Problems:
1. T3 and T5 cathodes tripped. Cause is unknown. This
was discovered quickly thanks to badtrip.
2. Lost connection to Ioserver. Regained by using
instructions on "Share your Experience" It worked.
2. I noticed a water leak in the roof just above the
D5 power supply. It had obviously been noticed before
because there was black plastic guiding the water away
from the power supply (more or less working) But the
bottom by the pumps had a fair amount of water. Called
MCR who sent support and they mopped it up and promised
that someone would work on the roof tomorrow.
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