From: Apache (apache@pii3.brahms.bnl.gov)
Date: Sat Jan 18 2003 - 23:40:05 EST
------------------------------------------------------------ Date: Sat Jan 18 23:40:05 2003, Shift: 16:00-24:00 Supervisor: JJG, with: Log book#13 pages 90 - 92 Shift Summary: ------------------------------------------------------------ 1. A dismal evening. 2.Essentially no action. RHIC kept losing the few produced bunches as soon as they appeared on the screen. 3. The last 48 hrs have been afflicted by many DAQ and fb3 crashes - for reasons unknown (to me). Hope some expert knows how to cure this, else it is going to be a long long spring. 4. Added my humble understanding of the recovery procedure in the form of a list on the wall in the hope that it may be useful to others and perhaps inspire more knowledgeable people to correct it. 5. In the one hr of bad beam I tried to play with the MRS trigger and optimize the BB z vertex dist. running only MRS triggers Ended up adding 8ns to the INEL input to the MRS coinc. trigger unit. 6. Wanted to continue playing, also with the FS trigger timing, but RHIC said no and took the beam. 7. Finally did something useful, reading drafts of Michaels NA44 paper and David's Msc. thesis. 8. Dropped at pickle in the log book. Have removed it again, though. ------------------------------------------------------------
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