------------------------------------------------------------ Date: Wed Aug 23 08:10:13 2000, Shift: 00:00-08:00 Supervisor: ykl, with: yb Log book#4 pages 144 - 146 Shift Summary: ------------------------------------------------------------ 1. Beam was lost due to link quench problem at 1:32. The newly stored beam lasted from 5:04 till 7:17. An increased background is suspected because the rate of trigger 1 is almost equivalent to the rate of trigger 4. 2. The run 2403, continued from the previous shift gave 516K of Trigger 1 with D5 at 350A with polarity A. Run 2406 gave 301K with D5 at 350A with polarity B. 3. T1 and T3 are not turned on. No new detector problems. ------------------------------------------------------------
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