|
Date
|
Summary
|
Link to report from morning meeting
|
|
Mon 27 Aug |
- 00:50 Stable beams fill 3007, initial Luminosity ~6.8E33
cm-2s-1
- 03:40 Beam dumped by OP due to cryo problem in Pt4, integrated L ~
56 pb-1.
- Cryo compressor off in Pt4.
|
8:30 meeting |
|
Sun 26 Aug |
- 00:00 Refill, MKIs ok.
- 01:50 Stable beams fill 3003, initial Luminosity ~7.3E33
cm-2s-1
- 02:30 Beam dumped, vacuum valves B1 in IR7. Vacuum spike > 2E-6.
Integrated L 16 pb-1.
- 04:30 Re-injecting.
- 06:30 Beam dump in squeeze, trip of ROF.A56.B2 (PIC).
- 07:30 Re-injecting.
- 09:20 Stable beams fill 3005, initial Luminosity ~7E33
cm-2s-1
- 18:00 Beam dumped, strange (fake?) BLM signal in 23.. Integrated L
132 pb-1.
- MKIs a bit hot, some delay.
- 19:45 MKI T limits adjusted.
- 20:00 Injection.
- 22:08 Stable beams fill 3006, initial Luminosity ~6.8E33
cm-2s-1
- 22:30 Beam dump, again vacuum B1 IR7, integrated L ~ 8 pb-1.
|
9:00 meeting |
|
Sat 25 Aug |
- 02:00 Beam dump: error in power supply for BLM/BPM Pt 4, Integrated L
52 pb-1.
- 07:00 Injection
- 09:30 Stable beams fill 3002, initial Luminosity ~7.2E33
cm-2s-1
- 22:12 Beam dump, trip of Q4.L1, integrated L 178 pb-1.
|
9:00 meeting |
|
Fri 24 Aug |
- 04:00 Beam dump, QPS on Q4.L1.integrated L 100 pb-1.
- Heaters fired, lost cryo.
- 05:00 TDI stuck due to interlock.
- 07:00 Refill.
- 08:30 Stable beams fill 2998, initial Luminosity ~7.5E33
cm-2s-1
- 16:00 Beam dump by FMCM RD1.LR1, integrated L 135 pb-1.
- Access for QPS, MKI2, CMS, ATLAS.
- 18:00 restart, MKI2-C temperature limit increased to 44 degrees
- 23:30 Stable beams fill 3000, L=7.7E33, L(ALICE) = 2.0
|
8:30 meeting |
|
Thu 23 Aug |
- 01:18 injection for standard physics
- 02:35 Stable beams fill 2995, initial Luminosity ~7.2E33
cm-2s-1 (in ATLAS)
- 03:00 beam dump: orbit feedback server stuck -> SIS alarm, integrated
10 pb-1.
- 04:37 OFB problem solved, waiting for beam from pre-accelerators:
- fault on extraction kicker SPS .
- 13:00 Cycling.
- 15:00 Injection.
-
16:30 Stable beams fill 2996, initial Luminosity ~7E33
cm-2s-1.
-
20:10 Beam dump, electrical glitch (FMCM), integrated L 71 pb-1.
-
21:00 Injecting again.
-
22:45
Stable beams fill 2997, initial Luminosity ~7.2E33
cm-2s-1.
|
8:30 meeting |
|
Wed 22 Aug |
- 04:28 injection, ramp, squeeze
- 05:03 Stable beams fill 2993, initial Luminosity ~7.2E33
cm-2s-1.
- 17:50 Beam dump, trip of matching section L1, integrated L ~180 pb-1.
- 21:30 injection for h9 test, ramp, squeeze & short luminosity fill
- 23:00 CMS solenoid ok
|
8:30 meeting |
|
Tue 21 Aug |
- 08:20 Dump fill 2991, integrated L ~170 pb-1.
- Access for LHCb water leak.
- 13:00 Problems with SIS - communication with FGCs due to
a 'bad' client.
- CMS magnet ramping down (UPS problem affecting CMS
magnet cryo system).
- 14:30 Refilling.
- 16:00 Stable beams fill 2992, initial Luminosity ~6.1E33
cm-2s-1.
- 22:52 Beam dump: thunderstorm, lost several sectors,
integrated L ~105 pb-1.
|
8:30 meeting
|
|
Mon 20 Aug |
- 1:00 in addition: PS problem POPS earth fault.
- 7:30 injector problems solved.
- 10:00 Beam dumped just after start of ramp due to OFSU
crash.
- Refill.
- 13:12 Beam dumped in the squeeze by SIS due to CMW/data timeout (>
90 s).
- Refill. Problem to prepare the ramp. Cannot make BPs resident, DB
issue.
- 16:00 Beams dumped at injection due to blowup while waiting for CO
problem fix.
- 18:40 Stable beams fill 2991, initial Luminosity ~6.7E33
cm-2s-1.
|
8:30
meeting |