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User name Z. Chai
Log entry time 06:12:42 on August 1,2000
Entry number 48283
keyword=Owl Shift Summary
00:00 Start owl shift. Continue taking data ath thcm=180
02:03 Stop run 4034.
Change to ep elatic kin. for false asymmetry data taking
P_e=3.954Gev/c, Theta_e=14.077(same as before)
P_h=1.188Gev/c, Theta_h=54.21
3"+6" Carbon door
02:10 During the cycling of EQ2, overtemperature fault happened.
Target wouldn't move. Reboot IOC.
Ask for an access to Hall A to reset EQ2.
Move the 6msr coll. into both Arms.
Reset trigger to normal (without lack-of-aerogel in T3).
02:42 Ready to take ep data.
03:20 DAQ deadtime 100%. End run 4036.
03:34 EQ2 over temperature fault. Stop run 4037.
Ask for an access to reset EQ2.
04:08 Continue taking ep elastic data.
04:53 EQ2 overtemperature fault again. Ask for an access to reset it.
05:49 MCC told us they couldn't fix the cavity problem before 6am.
Move the LH2 target out.
The E91-011 experiment is finally finished !
06:01 EQ2 overtemperature fault.
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Time Run Evts Charge Comment
23:45 4029 1.2M 47.5mC
00:19 4030 0.5M 19.2mC
00:38 4031 1.2M 46.8mC
00:59 4032 1.2M 46.9mC
01:21 4033 1.2M 46.9mC
01:42 4034 1.2M 46.8mC End of thcm180 data taking
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02:49 4035 0.7M 12C, 6msr coll. in both arms., 10uA
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03:13 4036 0.43M 15mc LH2 End run due to high DAQ deadtime.
03:22 4037 0.6M EQ2 overtemperature fault.
04:08 4038 1.2M
04:27 4039 0.7M
04:45 4040 0.26M 4:53 EQ2 fault