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User name lkaufman
Log entry time 16:06:03 on April11,2006
Entry number 170419
Followups:
keyword=Day Shift Summary
Day Shift Summary
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SL: Lisa Kaufman
TO: Klaus Grimm
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We began the shift in production mode on 3He. Beam studies started around 9
am. Various activities going on in the hall, in particular, shielding was
added around big bite, and the target pumping polarization direction was
changed. Beam studies ended around 3 pm and beam is not yet back at the end of
the shift.
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Began shift taking 8 uA production mode data on 3He.
09:12 - ended run 3838, HAPPEX run, and Compton run because beam studies
started.
09:34 - changed BB, ND, and PS thresholds, BB HV, and prescalers. Started a
cosmics run.
10:05 - Hall A in restricted access.
11:12 - Alex takes CODA for a while to test the Neutron detector.
11:40 - Aidan and Ameya are going to the hall. We will still be in restricted
access, but we will be going to laser controlled access, so only appropriately
trained people will be allowed into the hall at that time.
12:15 - Aidan begins sweep of Hall A in order to go to laser controlled access.
12:37 - Hall in Laser Controlled Access!
13:47 - Started sweep of Hall A in order to go to Controlled access.
14:27 - Hall in Controlled Access.
15:30 - Hall going to Beam Permit.
15:47 - Set detector thresholds and prescale factors back to production values.
15:48 - Hall A in beam permit.
Run Summary
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Run# Time Events Current IWHP Type Happex Run#
3837 07:38-08:43 2M 8uA IN Production 7331
3838 08:44-09:11 700K 8uA IN Production 7332
3839 09:34-10:25 380 0uA IN Cosmics
3840 10:26-10:34 2M 0uA IN Cosmics (Neutron)
3841 10:37-10:40 20K 0uA IN Cosmics
3842 10:41-10:50 2M 0uA IN Cosmics (Neutron)
3843 10:52-11:02 80K 0uA IN Cosmics
3844 11:03-11:11 1.7M 0uA IN Cosmics (Neutron)
Various other runs were taken while Alexandre Camsonne was in the hall working
on the neutron detector.