Shift Summary for DAY 8/18/99

Elliott Cheu (elliott@physics.arizona.edu)
Wed, 18 Aug 1999 13:33:42 -0700

Shift Summary for DAY shift, 18/09/99

On Shift: BW, ECC

Hours of beam available at all intensities: 6.0
Hours of beam available at nominal intensity: 6.0
Hours of E832 data (special runs not included): 6.0
Hours of special runs (laser scans, muon runs...):

Accounting of lost time: starting/stopping runs

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Runs ended this shift:
Run 14257 - 24.0M events - BEAM_832
Run 14258 - 2.4M events - BEAM_832

Tapes brought to FCC this shift: QKx282-284, QKB099
(including tapes for online split)

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Accesses during shift: None

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Overview of shift:
E832 data taking.
Beam intensity goes to 6e12 and back to 3e12 as MCR tries to
investigate beam losses.

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Description of Shift:

run spill time comment
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14257 340 7:35 beam targetting is bad. MCR contacted.
357 7:55 Intensity raised to 6e12 from 3e12
478 10:40 beam targetting is bad. MCR contacted.
500 11:15 Intensity drops to 3e12.
513 beam targetting is bad. MCR contacted.
12:25 onsplit tape QKCC13 requested and mounted.
12:30 Main injector LCW problem. Run stopped
14258 12:35 Start run.
15:10 Stop run to add CsI 226 to monitoring channels.
14259 15:15 Start run.

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Follow up Notes on Previous Shift

None

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Items to Follow up on Next Shift

None