| Day |
Short
summary/plan |
Link to reports from 8:30 and 17:00
meetings |
| Sunday 30th May |
- Recovery from power cut.
- Aim for beam tests. No physics.
|
Report from 9h00 meeting |
| Saturday 29th May |
- All day: Recovery from power cut
|
Report from 9h00 meeting |
| Friday 28th May |
- 04h00: Study of BPM shifts with intensity.
- 09h30: Access for QPS.
- 11h30: pre-cycle.
- 13h00: Impedance study with collimation.
- 18h00: Test ramp of 1e11 bunch to 3.5 TeV. Pilot collsions.
- 23h00: Rampdown and recover.
- 23h20: General power cut.
|
Report from 8h30 meeting |
| Thursday 27th May |
- 00h15: Starting high intensity injections.
- 00h34: Sector 67 tripped again (see 21h51 entry Wednesday). Access. BLM problem.
- 08h52: Power glitch affecting various systems: RF, collimators, LHCb and ALICE dipoles, SPS. Recovery.
- 13h24: Injection setup. Injection 7 x 1e11 per beam.
- 14h59: Stable beams (450 GeV collisions).
- 16h03: End of fill due to beam excursion interlock. Recovery. Sector 12 trip.
- 17h40: Sector 67 trip.
- 19h00: Beam back.
- 20h38: Transverse damper studies.
|
Report from 8h30 meeting |
| Wednesday 26th May |
- 00h50: Collapsing separation. Checking collisions with nominal bunches. Large losses.
- 03h30: Requested beam dump. Recover.
- 04h30: Several trips and kicker MKI.UA87 problem. Access for power converter RD2.R8.
- 10h20: Precycle and set up injection.
- 15h00: Start ramp of 1 nominal bunch per beam. Beam 2 dumped during ramp.
- 15h56: Requested dump of beam 1. Rampdown and recovery.
- 18h53: Start ramp of 1 nominal bunch per beam.
- 19h25: Arrive at 3.5 TeV with two beams. Adjust chromaticity and tunes (collision tunes).
- 20h41: Collisions in CMS. Optimization.
- 21h04: Collisions in CMS and ATLAS. Optimization.
- 21h38: End of fill RF studies.
- 21h51: Beam dump (18 kV glitch). Recovery. Ramp down (RB trip S67). Injection set up.
- 23h56: Injection of pilot beams.
|
Report from 8h30 meeting |
| Tuesday 25th May |
- 01h11: Start ramp with 13 bunches, each 2e10
- 03h16: Stable beams (13 x 2e10 p per beam)
- 12h30: Requested beam dump.
- 15h00: Energy matching beam 1.
- 17h00: Injection kicker studies beam 2.
- 18h00: Nominal bunch studies: RF
- 23h30: Ramp nominal bunch to 3.5 TeV.
|
Report from 8h30 meeting |
| Monday 24th May |
- 00h30: Beam lost - LBDS dump.
- 03h00: Injection. Again LBDS dump.
- 04h00: Access for LBDS
- 09h00: Injection.
- 12h30: Start ramp with 13 bunches, each 2e10
- 15h00: Stable beams (13 x 2e10 p per beam)
- 17h30: Beam dump due to BLM card problem. Recover. Work on BLM cards. Injection setup.
|
Report from
9h00 meeting |