Owl shift summary

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User name ejensen

Log entry time 07:59:02 on June 10, 2009

Entry number 280348

keyword=Owl shift summary

Shift crew:

SL - Eric Jensen TO - Pete Markowitz 3rd - Lamiaa El Fassi

=======================================

Events:
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00:00 - Simon and Miha doing pressure curve calibration runs (see swing shift summary).
00:07 - New compton run.
00:35 - Target moved to 3He cell.
00:38 - Start ramping down right HRS momentum to 1.865 GeV/c.
00:40 - Start "semi-production" runs.
02:15 - Right HRS finished ramping down - stabilized at 1.865 GeV/c. Begin normal production
for both arms. Started new compton and HAPPEX runs.
03:00 - Miha set a new golden run for the right arm. Used run #22298.
04:07 - New compton run.
04:45 - Lost beam, MCC reported N. linac went down.
06:07 - Got beam back, resume production.
06:40 - New compton and HAPPEX runs

Production Runs
--------------------------------------

TARGET: Polarized 3He DIRECTION: Transverse CURRENT: 9 uA ENERGY: 2.4272 GeV

Left # Events Right # Events Notes

3424 4.00M 22295 2.81M Semi-production, right HRS momentum ramping down.
3425 4.00M 22296 2.95M Semi-production, right HRS momentum ramping down.
3426 4.00M 22297 2.93M Semi-production, right HRS momentum ramping down.
3427 4.00M 22298 2.93M Normal production. Started new compton and HAPPEX runs. Right
CODA crashed during end of run.
3428 4.00M 22299 2.93M
3429 4.00M 22300 2.95M
3430 4.00M 22301 2.94M New compton run.
3432 1.76M 22303 1.29M Lost beam, N. linac problems.
3433 4.00M 22304 2.93M
3434 4.00M 22305 2.93M New compton and HAPPEX runs
3435 4.00M 22306 2.93M
3436 ----- 22307 ----- Left running

HAPPEX runs
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02:12 - 31504
06:40 - 31505

Compton runs
-----------

00:07 - 17288
02:12 - 17289
04:07 - 17290
06:40 - 17291

NMR sweeps
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00:40 - 57.98%
03:30 - 58.80%
04:45 - 56.70%