From: Apache (apache@pii3.brahms.bnl.gov)
Date: Wed Jan 15 2003 - 12:06:49 EST
------------------------------------------------------------ Date: Wed Jan 15 12:06:49 2003, Shift: 08:00-16:00 Supervisor: ykl, with: Log book#13 pages 64 - 64 Shift Summary: ------------------------------------------------------------ 1. RHIC was in beam study mode with widely fluctuation background (H1 and H2 going over 1 megaherz occasionally). 2. No useable beam for data. TPC's, DVM and DC's were turned off (not just parked) during most of the shift since the background was too high. DB replaced discriminators in the trigger system (TD1, INL2, TOFW). 3. In H2, H2101 and H2103 showed zero measured HV although demand voltage was 1600V for both. ------------------------------------------------------------
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