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User name Fatiha
Log entry time 08:02:23 on March 1,2009
Entry number 264013
keyword=Shift Summary
Shift crew: F. Benmokhtar, B. Michaels and R. Lindgren
----------
00:42 Beam down, RF cavity issues, MCC is calling in the
Techniciens. It will take a coupe of hours to restore
the beam.
2:00 Brad and Kalyan went for a controlled access to work
on the trigger.
3:10 MCC called, it lookes like they've solved the problems
with the RF cavities but having some issues with the
liquid level in the cryos. They called and expert.
3:27 MCC called, says they are done with what they wanted to
do.
3:35 MCC doign harp scan.
4:05 Moved to Be) target, ask for raster on, 2*2.6 (MCC units)
2uA.
Got good beam positions, spot++ 2 by 2.
4:14 3He, 2uA. rates consistant between 2*2.6 and 5.2*6.2,
Note that MCC couldn't set 5.2*6.5 (reaches the limit)
4:30 Back to production running, Kin = I, 5:05 Bigbite S14, channels 14.6 and 14.7 HV trip. Recovered.
run# 1912
5:40 Beam down, beam pipe vaccum problem.
5:45 We asked for a short controlled access. Brad and Kalyan
going down for setting the trigger timing.
6:03 Back from controlled access asked for beam back.
Bigbite Run list:
----------------
1909 -- 3He Ended, beam down
1911 -- // Ended, beam pipe problem
1912 -- // Prescale test
1913 -- // Ended, beam pipe vaccum issues.
1914 -- First complete production run.
LHRS run list:
--------------
20461 -- Ended, beam down very short run
20462 -- BeO target, beam position cehck
20463 -- 3He, short run, ended beam pipe issues.
20464 -- 3He, production
20465 -- 3He, Ended, beam pipe vaccum issues.
20466 -- First complete production run.