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User name V. Sulkosky
Log entry time 08:07:22 on December20,2007
Entry number 222406
keyword=Owl Shift Summary
December 20, 2007 Owl Shift Summary
Owl Shift Crew:
V. Sulkosky (SL), T. Holmstrom (TO), K. Saenboonruang (3rd)
Summary
=======
00:00 Start shift in Controlled Access to fix LHRS IOC problem.
00:15 IOC problem fixed, asked for beam permit.
00:30 Beam back. Raster off.
00:35 Resume production running.
00:54 Change RHRS momentum setting to 2.81464 GeV/c.
00:59 Change LHRS momentum setting to 2.87093 GeV/c.
01:13 Change LHRS momentum setting to 2.81464 GeV/c.
01:36 Change LHRS momentum setting to 2.75835 GeV/c.
01:56 Change RHRS momentum setting to 2.70206 GeV/c.
01:58 Change LHRS momentum setting to 2.70206 GeV/c.
02:19 Change LHRS momentum setting to 2.67660 GeV/c.
02:25 Move to Loop 3 LH2 target.
02:27 Raster back on.
02:49 Move to optics target.
03:09 Moved sieve slit IN for LHRS.
03:12 Move to Loop 3 LH2 target. Raster on.
03:12 Change RHRS momentum setting to 2.62513 GeV/c.
03:41 Moved sieve slit IN for RHRS.
03:43 Change LHRS momentum setting to 2.62513 GeV/c.
04:09 Moved sieve slit OUT for LHRS and RHRS.
04:21 Change LHRS and RHRS momentum settings to 2.57365 GeV/c.
04:30 MCC called no beam due to an injector phase problem. Estimate 10 mins.
05:08 Moved sieve slit IN for LHRS and RHRS.
05:26 Change LHRS and RHRS momentum settings to 2.52218 GeV/c.
05:57 Moved sieve slit OUT for LHRS.
06:12 Change LHRS momentum setting to 2.47071 GeV/c.
06:32 Moved sieve slit OUT for RHRS.
06:39 Moved sieve slit IN for LHRS.
06:49 Optics for RHRS completed.
06:50 Change RHRS momentum setting to 2.573 GeV/c for boiling test. Q2 and Q3 cycled up to 1400 A.
07:00 Optics for LHRS completed.
07:02 Change LHRS momentum setting to 2.573 GeV/c for boiling test. Q2 and Q3 cycled up to 1600 A.
07:09 Moved sieve slit OUT for LHRS.
08:02 Mostly completed Boiling test on Loop 3 LH2 target.
Left HRS Run Summary
====================
theta = 15 deg on Optics target, open collimator, raster off
Start Run Momentum Events Current
===========================================
00:35 4348 2.92723 GeV/c 1.0M 70uA
01:03 4349 2.87093 GeV/c 1.0M 70uA
01:19 4350 2.81464 GeV/c 1.0M 70uA
01:42 4351 2.75835 GeV/c 1.0M 70uA
02:02 4352 2.70206 GeV/c 1.0M 70uA
theta = 15 deg on Loop 3 LH target, open collimator, raster on
Start Run Momentum Events Current
===========================================
02:36 4353 2.67660 GeV/c 0.75M 15 uA
04:11 4356 2.62513 GeV/c 0.77M 15 uA
04:26 4357 2.57365 GeV/c JUNK No beam
04:49 4358 2.57365 GeV/c 0.83M 10 uA
05:59 4361 2.52218 GeV/c 0.75M 10 uA
06:16 4362 2.47071 GeV/c 0.75M 10 uA
theta = 15 deg on Loop 3 LH target, sieve slit collimator, raster on
Start Run Momentum Events Current
===========================================
03:20 4354 2.67660 GeV/c 1.3M 20 uA
03:48 4355 2.62513 GeV/c 1.1M 20 uA
05:08 4359 2.57365 GeV/c 1.3M 10 uA
05:30 4360 2.52218 GeV/c 1.3M 10 uA
06:40 4363 2.47071 GeV/c 1.3M 10 uA
Right HRS Run Summary
=====================
theta = 15 deg on Optics target, open collimator, raster off
Start Run Momentum Events Current
============================================
00:35 22200 2.92723 GeV/c 1.0M 70uA
01:40 22201 2.81464 GeV/c JUNK large DT
01:41 22202 2.81464 GeV/c 1.0M 70uA
02:54 22203 2.70206 GeV/c 1.0M 70uA
theta = 15 deg on Loop 3 LH target, open collimator, raster on
Start Run Momentum Events Current
===========================================
04:11 22205 2.62513 GeV/c 0.77M 15 uA
04:49 22206 2.57365 GeV/c 0.81M 10 uA
06:33 22209 2.52218 GeV/c 1.10M 10 uA
theta = 15 deg on Loop 3 LH target, sieve slit collimator, raster on
Start Run Momentum Events Current
===========================================
03:48 22204 2.62513 GeV/c 1.1M 20 uA
05:08 22207 2.57365 GeV/c 1.3M 10 uA
06:00 22208 2.52218 GeV/c 1.3M 10 uA