|
Day |
Summary |
Link to report from morning meeting |
|
Monday 15th August
|
|
8:30 meeting
Cryo report
on Pt8 |
|
Sunday 14th August |
- 00:24 Trip of the cold compressor
- Morning: change of the control electronics of the
cold compressor
- Cold compressor restarted early afternoon after
electronics exchange.
|
9:00 meeting |
|
Saturday 13th August |
- Accesses for cryo in pt 8. Problems to
restart the compressor. Interlock on the magnetic bearing
position.
- 17:30 Expert intervention completed. Cryo
compressor restarted.
- Expect beam in the night between Sunday
and Monday
|
9:00 meeting |
|
Friday 12th August |
- 10:40 Beam dump: end
of STABLE BEAMS #2022 ~30 pb-1 in 5 hours. SUE on RCBXV2.R1.
- Prepare for loss maps.
- 14:00 Loss maps at 3.5 TeV with roman pots (TOTEM &
ALFA).
- 16:30 Injection, TL steering.
- 19:00 STABLE BEAMS
#2025 - initial luminosity 2.2e33, 1.35E11/b.
- 03:30 Beam dump: end
of STABLE BEAMS #2025 ~50 pb-1 in 8.5 hours. Cold compressor
Pt8.
|
8:30
meeting |
|
Thursday 11th August |
- 02:00 Fill for physics.
- 03:40 Beam lost in ramp - trip of
RCBXH2.L2.
- Access for EPC
- 06:40 Refill 1.8E14/beam.
- 07:45 Beam dumped at 3.4 TeV by SIS
interlock on total voltage (problem due to gain change in RF
LL).
- Access during SPS magnet exchange.
- 21:30 First beam back in SPS.
Conditioning local vacuum.
- 22:00 Precycle.
- 23:00 50 ns beam ready in SPS.Conditionning
vacuum.
- 00:00 LHC closed.
- Steering TLs.
- 05:40 STABLE BEAMS
#2022 - initial luminosity 1.95e33, 1.3E11/b.
|
8:30
meeting |
| Wednesday
10th
August |
- 01:30-03:30 Setting-up beam in the PS Booster.
- 03:00: ALICE dump due to injection losses (due
to bad RF capture)
- Injection oscillation correction for Beam 2
- Frequent injection inhibits due to poor beam quality and B1
injection kicker pulse length check
- 05:49 STABLE BEAMS #2011 - initial luminosity 2.1e33
- 14:30 Beam dump: end of STABLE BEAMS #2011~45 pb-1 in 8.5 hours
- Investigations on RF problems with beam1.
- Loss maps at injection
|
8:30
meeting
Beam
dump at injection at 03:00:50 |
|
Tuesday 9th August |
- 18:18 RQT12.R7B1 trip. End of STABLE BEAMS #2010 - ~86
pb-1 in ~19 hours
- 20:30 No beam from PSB (RF problem in ring 4)
- Loss maps at injection with nominal bunch while waiting
for RF repair in PSB
|
8:30
meeting |
|
Monday 8th August |
- Back in Stable beams 02:50 fill 2009 - initial luminosity 2.1e33
- 18:10 Beam dumped, S81 trip. Integrated luminosity ~76 pb-1.
- Investigations on Sector 81 trip (Quadrupole loop) + reset of a BLM
crate delaying refilling
- 23:30 STABLE BEAMS#2010. Initial luminosity 2.05e33
|
8:30 meeting |