People on shift during this period include:
Bill Davis, Ken Delsignore, Jon Streets, Cyrus Taylor, Larry Jones and
Mike Longo; "Art" Martens also spent some crucial time in the portakamps
explaining to us how to turn the MR Gate on and off.
A couple of general comments: We began the run with a delay curve,
a luxury we've usualy eshewed under collider conditions.
We have better on-line monitoring
(including an on-line version of Bj's monitor code) than ever before,
and a dst had been made of the first 50,000 events before midnight:
tracks confirmed by aid of a viewer! Efficiencies were checked with
the first run, and and re-checked (at lower voltages) later in the
run! There were intermitent periods of losses throught the evening;
this may be reflected in somewhat varying mean NHITS. John carried
the first few tapes (all tapes are copied from MINxxx labels to
MM0xxx labels, and the MM0xxx tapes are taken to the tape vault)
over to the tape vault at about 11PM. MR was off for the first 12
hours of the run. Note that the store is longer than the nominal 24 hour
cycle A/D has in mind because the stack was lost.
Overall score:
Collider trigger, pb in: 1.18 million events to disk/tape
Collider trigger, pb out: ~255,000 events to disk/tape
[On this run, we biased to pb in more than we plan to overall]
Disk runs will be copied to FNMINI$dua1:[data], and to FNALU/d10.
Jon is working to acquire more disk space for us on FNALU. Tape runs
will appear on FNALU by and by it seems.
Run Summary:
Run 1087
Seps on Pb out bd pbar or delay=7ns 6005 events to disk
Run 1088
Seps on Pb out bd pbar or delay=7ns 3272 events to disk [seps off at end
Run 1089
seps off Pb out bd pbar or delay=8ns 50134 events to disk
Run 1090 [scanning run]
seps off Pb moveing bd pbar or delay=22ns 3652 events to disk
Run 1091
seps off Pb in bd pbar or delay=8ns 100826 events to disk
Run 1092
seps off pb in bd pbar or delay=8 ns 251252 events to tape MIN200
Run 1093
seps off pb out bd pbar or delay=8 ns 103119 events to tape MIN201
Run 1094
seps off pb in bd pbar or delay=8 ns 84014 events, E811 begins second
scrape at end
Run 1095
seps off pb in bd pbar or delay=8ns 24514 events to disk; scraping
Run 1096
seps off pb in bd pbar or delay=8ns 250044 events to tape MIN203
Run 1097 [scanners run]
seps off pb out bd pbar or delay=22ns 11612 events to disk
Run 1098
seps off pb out bd pbar or delay=8 ns 50091 events to disk [voltage run]
Run 1099
seps off pb in bd pbar or delay=8 ns 174804 events to tape MIN204
****Here the MR gate returns---along with some MR contamination problems
see log 4 p 38 ff.
Run 1100
spes off pb in bd pbar or delay=8ns 110659 events to tape MIN205
chamber trip at 12:29 AM
call MCR "Ralph is making a measurement"
3:12 AM
MR gate is letting some MR in {"BD went from ~0->6K almost instantly"]
Run 1101
seps off pb in bd pbar or delay=8 ns 109516 events to tape MIN 206
lostp spiking early, ~4:20 and 4:25
Run 1102 [scanners run]
seps off pb out bd pbar or delay=22 ns 12177 events to disk
Run 1103
seps off pb in bd pbar or delay=8 ns 75232 events to disk
Run 1104
seps off pb out bd pbar or delay=8 ns ~52000 events to disk
(We cant' be more accurate because of a strange glitch in the
event to disk scalar over the terminal, apparenlty caused by
bumping the table.) Also note a burst in the alphabet rate at
event 158364.