Log entry time 08:17:57 on November 06, 2010

Entry number 338792

Crew: O. Hansen (SL) Hoyoung Kang (TO) Hyekoo Kang (3rd)

Summary: Mostly quiet data taking on DVCS Kine 2 low energy. No beam for 2.5 hours due to injector problems.

Timeline:

• 00:00 Start shift with production in progress (after DAQ crash recovery shortly before), run #8401
• 00:47 Found Compton was off for past 60 minutes, silent DAQ crash. Rebooted successfully.
• 01:20 Injector PSS problems. Beam down.
• 03:50 Beam back. Setting up for production.
• 04:15 Resuming production, run #8403.
• 07:50 DAQ crash, rebooting ROC17.
• 08:00 End shift with DAQ reboot finishing, production resuming.

 Run   Events  BCM U3   D3 (C)    Time         Avg Curr  Deadtime
 8401   614 k  0.01788  0.01873   61.6 mins   4.9500 uA     2.44%
 8402    79 k  0.00231  0.00246   12.5 mins   3.1689 uA    -0.38%
 8403   616 k  0.01123  0.01125   59.2 mins   3.1631 uA     2.45%
 8404   638 k  0.01169  0.01172   60.3 mins   3.2318 uA     2.60%
 8405   608 k  0.01098  0.01110   61.4 mins   2.9976 uA     2.23%
 8406   301 k  0.00662  0.00664   37.0 mins   2.9891 uA    23.74%