Log entry time 16:03:10 on December 3,2010

Entry number 342586

DAY SHIFT 3 DECEMBER 2010



SL: T. Horn, TO: R. Michaels



SHORT SUMMARY

Took production data with beam through compton chicane. At end of shift asked MCC to switch tune to straight through.





DETAILED SUMMARY

8:00 MCC still working on RF issues from earlier this morning

8:20 Beam back. Resume data taking (KIN 3, p0=2.59 GeV/c, theta0=21.5 deg)

9:45 BPMA beam positions drifting to about +0.35 in X and to about +0.25 in Y during run 9215, MCC resets energy lock/FB and adjusts beam positions. Beam positions on BPMA back to about zero in X and Y at end of run 9215

10:20 Started run 9216 with BPMA positions of (+0.07,+0.04)

12:30 Beam gone for Qweak tests in Hall C, taking a pedestal run (9218)

12:50 Resume production data taking

15:40 Changing tune from through beam through compton chicane to straight through

15:55 Start run 9222 with straight running tune



RUN SUMMARY

 Run    Events  BCM U3   D3 (C)    Time         Avg Curr      Deadtime

 9214  1022 k   0.01032  0.01032   60.6 mins    2.8395 uA    16.25%

 9215  1211 k   0.00997  0.00998   59.7 mins    2.7853 uA    21.19%

 9216  1033 k                      60   mins    2.8     (no end run)  

 9217  1265 k   0.00935  0.00934   56.1 mins    2.7784 uA    23.18%

 9218    15 k   0.00002  0.00000   12.1 mins    0.0175 uA     4.70%

 9219  1290 k   0.00974  0.00975   59.8 mins    2.7147 uA    23.32%

 9220  1244 k   0.00944  0.00946   59.7 mins    2.6380 uA    29.52%

 9221   968 k   0.00724  0.00721   45.9 mins    2.6245 uA    25.12%