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User name hamlet
Log entry time 08:04:23 on May 6,2003
Entry number 60724
keyword=Owl shift summary
Owl shift 05/06/03
H. Mkrtchyan, V. Tadevosyan
00:05 Target IOC reboot.
00:07 Trip reset of HMS Drift chambers HV. Move onTarget LH2.
00:13 Start run #45868 on LH2. Phms=-0.6235.
00:28 Change to target Al thin.
00:33 Run #45869, target Al thin, ps1=40, ps2=2, Phms=-0.6235.
00:38 Change HMS settings to Phms=-0.5300 GeV/c.
00:58 Start run #45870 on Al thin. Phms=-0.5300, ps1=40, ps2=2.
01:03 Change target to LH2. Change disk to data8.
01:09 Run #45871 on LH2, ps1=200, ps2=8. Phms=-0.5300.
01:21 Ask for beam off. Change target to LD2.
01:25 MCC inform : 1/2 plate will take out by request Hall A.
01:25 Run #45872 on LD2, ps1=200, ps2=8. Phms=-0.5300.
01:35 Change HMS magnet settings to Phms=-0.4505.
01:49 Run #45873, Target LD2, Phms=-0.4505, ps1=200, ps2=8.
01:57 Change target to LH2.
02:01 Run #45874, target LH2, Phms=-0.4505, ps1=200, ps2=8.
02:13 Change target to Al thick.
02:19 Run #45875, Al thick, Phms=-0.4505, ps1=50, ps2=2
02:22 Run #45876, Al thick, Phms=-0.4505, ps1=100, ps2=4.
02:25 Change to target Al thin.
02:33 Run #45877, Al thin, ps1=100, ps2=4, Phms=-0.4505.
02:39 Change settings. Phms=-2.6919 and Psos=+0.5346
03:00 HMS and SOS ready. Take short junk run #45878-879 to check ps factor
03:23 Start run #45880 on Al thin, Phms=-2.6919, Psos=+0.5346.
03:30 Ask MCC for beam off to put C target and sieve in HMS.
03:43 Run #45881, Sieve in HMS, Carbon (Z=0) target. Phms=-2.6919.
03:56 Change Phms=-2.2881, put back Pion collimator in HMS.
04:24 Run #45882, Target Al thin, tPhms =-2.2881, ps1=100, ps2=50.
04:30 End run #45882. Beam off. MCC will do some investigation.
04:53 Beam back. Take one more run on Al thin. #45883
04:57 Change target to LD2.
05:04 Run #45884, Target LD2, ps1=500, ps2=200. Phms=-2.2881.
05:15 Change target to LH2.
05:18 Run #45885 on LH2 target. ps1=500, ps2=200. Phms=-2.2881.
05:20 Change Phms=-1.9449.
05:39 Run #45886, Target LH2, Phms=-1.9449, ps1=500, ps2=200.
05:50 Change target to LD2.
05:55 We ready but no beam.
06:08 Junk run #45887
06:25 Run #45888, target LD2, Phms=-1.949, ps1=500, ps2=100.
06:35 Change target to Al thin.
06:36 Run #45889, target Al thin, ps1=100, ps2=20, Phms=-1.9449
06:41 End data taking. Will change HMS and SOS magnets for SOS delta-scan.
07:40 Mark changed PID trigger in HMS and SOS for delta-scan.
08:00 Taking data. Run #45890. Phms=+2.4867, psos=-1.74, thet_hms=25.20, thet_sos=53.17