DIRC Operations Weekly Report
Period: Wednesday 2007/7/26 - Wednesday 2007/8/01
Oncall: Rolf Andreassen
Fast Monitoring: Rolf Andreassen, Jose Benitez
Luminosities this week
PEP peak lumi: ~1.02 x 1034
(last week: ~1.0 x 1034)
PEP delivery: 4.64 fb-1
(last week: 2.97 fb-1)
BaBar integrated lumi:4.5 fb-1
(last week: 2.81 fb-1)
Run 6 total delivery: 69.09 fb-1
Run 6 total BaBar recorded: 66.45 fb-1 total, including 4.18 fb-1 off-peak data
PEP activities/issues this week
Jul 27-29 : BCM commissioning, teething troubles.
Aug 01: Install helium lines to look for vacuum leak.
BaBar activities/issues this week
DIRC activities/issues this week
Jul 30: Alarm thresholds changed.
Jul 31: Neutron counters' power supply tripped - Jerry fixed this.
See DIRC logbook for details
Lumi and Background this week
Unplug Christmas tree in Sector 5.
- Replace four DFBs with goups of 8 dead or flaky channels:
- sector 0, DFB 0.
- 2 in sector 1, DFB 1 and DFB 13.
- sector 3, DFB 6.
- sector 8, DFB 0.
- Replace air filters on Wiener crates.
- Investigate the crate of sector 8.
Justine, Jose and Rolf rotating backup & on-call commissioning duties.