Goal of this week: Luminosity production.
|
Date |
Summary |
Link to report from morning meeting |
| Monday 12 Nov |
- 04:50 Beam dump, trip of RF line 4B, integrated L ~120 pb-1.
- Access for RF.
- 07:00 Injecting. FBCT phasing. Line steering.
|
08:30 meeting |
| Sunday 11 Nov |
- 10:00 SPS drying out and starting cold check-out.
- 12:00 LHC closed, start precycle.
- 14:00 Injection. Steering TLs.
- 16:00 Ramp - at last !
- 17:00 Beam lost in adjust - RF trip.
- 19:00 Beam dumped at injection by LHCb. B2 ghosts from SPS or
un-captured beam in the LHC. Set back batch-by-batch blowup target to
1.1 ns.
- 20:50 Stable Beams fill 3279, initial L ~7e33 cm-2s-1.
|
09:00 meeting
|
| Saturday 10 Nov |
- 10:00 Cryo back, starting pre-cycle.
- 11:00 LHC ready, but problem on SPS dump kicker (switch
exchange).
- 15:15 Injecting.
- 16:00 Compensator Pt8 off.
- 17:00 We carry without compensator.
- 18:00 POPS down.
- 19:30 Filling again.
- 20:00 Problems with injection losses. Dumped on B1
injection with 144b.
- 20:30 SPS BA2 flooded. SPS off.
- 22:00 Switched off S81 and S78 - water alarms in Pt8.
|
09:00 meeting |
| Friday 9 Nov |
- 02:50 Stable Beams fill 3273, initial L ~7e33 cm-2s-1.
- 10:40 Beam dump by OP - lost cryo in Pt8. integrated L ~124 pb-1.
- Cryo Pt8 off. Access.
|
08:30 meeting |
| Thursday 8 Nov |
- 2:10 Beam dump by OP, integrated L ~188 pb-1.
- Trip of RQTL10.R3B2 in the ramp down. Access
needed.
- 06:00 Filling.Had to stop for steering...
- 09:00 Energy matching, batch-by-batch blowup
re-activated to 1.4 ns.
- 10:00 TI2/8 steering.
- 12:00 Filling for physics.
- 13:30 Stable Beams fill 3272, initial L ~7.2e33 cm-2s-1.
- 14:00 TCLs opened.
- 17:00 Beam dump, COD trip. Integrated L ~70 pb-1.
- Access for ALICE and ROD/F in Pt5. LHCb polarity to +.
- 23:30 Start refilling.
|
08:30 meeting |
| Wednesday 7 Nov |
- 03:30 Spurious trip of S67 (RB).
- 06:00 Injecting probes.
- 09:00 Injection.
- 10:00 Transfer line steering...
- 12:00 Filling.
- 13:40 Stable Beams fill 3269, initial L ~7.2e33 cm-2s-1.
- 20 fb-1 !!
|
08:30 meeting |
| Tuesday 6 Nov |
- 13:30 Beam dump, integrated L ~198 pb-1. FPS on Q9.L2.
- Access until injectors / SPS ready again after technical stop /
magnet and wire-scanner intervention.
- 20:00 LHC closed, pre-cycle started.
- 21:00 LHC ready at injection, SPS RF problem.
- Waiting for injectors...
|
08:30 meeting |
| Monday 5 Nov |
- 00:02 Start filling
- 01:31 Stable Beams fill 3265, initial L ~7.0e33 cm-2s-1.
- 13:30 end of fill study for roman pots
- 15:08 Beam dump by losses over threshold close to the RP 6R5 B1 (82ms -
1.3s BLM running sums). integrated L ~183 pb-1.
- 22:15 Stable beams fill 3266, initial L ~6.5e33 cm-2s-1.
|
08:30
meeting |