Week 8: Machine coordinators: Mike Lamont - Gianluigi Arduini (until Friday
25/2)
Nine o'clock meetings on the weekend at nine o'clock.
|
Day
|
Summary
|
Link to report from morning meeting
|
|
Monday 28st February |
- Injection and dump protection
- RF calibration
|
8:30 meeting |
|
Sunday 27th February |
- TL/LHC matching
- 13: 00 Collimation
- midnight: lost cryo maintain - access required; thereafter problem injecting b2 - access required point 8
|
9:00 meeting
|
Saturday 26th February
|
- 09:00 - 11:00 RF
- Ramp and orbit in squeeze
- 18:00 Collimator set-up
- Aperture measurements overnight Sat - Sun
|
9:00 meeting |
|
Friday 25th February |
- Access in the morning in shadow of SPS interventions
- Ramp and squeeze (squeeze to 1.5 m in one go)
- Collimator set-up
- Aperture measurements overnight
|
8:30 meeting |
|
Thursday 24th February |
- 02:00 - 06:00 Damper
set-up (B1 only due to LBDS problem B2)
- 06:00 - 07:30 Access
for LBDS
- 07:30 - 09:00 Recovery
from access
- 09:00-10:00 RF problem
- 10:00 - 11:30 BPM tests
- 11:30 - 19:30 -
Crossing angles and experimental magnets ON. setting-up interrupted by SPS
problem for about 2 hours (fire alarm and interlock problem)
- 19:30 - 21:00 - Ramp
with dynamic reference for the OFB
|
08:30
meeting
|
|
Wednesday 23th February |
- 00:00 – 05:00 Dump
checks at intermediate energies (1.4 and 2.4 TeV)
- 05:00 – 08:00
Measurement of chromaticity decay at injection after pre-cycle
- 08: 00 Stop beam for
intervention on cryogenics in point 2 and preparation for access
- 09:00-12:00 Access
- 13:00 Cryo OK
- 13:00 - 18:00 Recovery
and pre-cycle
- 18:00-18:45 No beam
from SPS
- 18:45 Injection
- 21:00 – 23:00 Injection
of nominal bunch
- 23:00 - 02:00 Orbit at
450 GeV with nominal bunch
|
08:30 meeting |
|
Tuesday 22h February |
- 00:40 - 02:00 Squeeze
to 1.5 m
- 02:00 - 07:00 BIC and
timing problems
- 07:00 Injection
- 07:20 - 08:30:
collapsing separation bumps in IR1 and 5 for detector timing
- 08:30 - 12:30 MPS
checks and access/LBDS connection check (DSO)
- 12:30 - 19:00 Ramp
setting-up
- 19:00- 24:00 Squeeze
and beta beating measurement. Lost beam 2 during the squeeze from 2 to 1.5
m.
|
08:30
meeting |
|
Monday 21th February
|
- Access until 11:00 for
intervention on current lead, power converter and LBDS B2 intervention
- 10:00 - 15:00 Heat run
Sector 12-23
- 12:00-13:30 MPS checks
- 13:30 - 19:30 D1.R5
problem
- In the shadow: heat run
of Sector 12/23, repair of quench heater power supply A13.R1, loaded new
compensation coefficents for QPS of main bends, tests on circuits
- 19:30-21:30
Communication problem with injection BIC
- 21:30 injection
- 23:20
3.5 TeV
with beam (first in 2011)
|
08:30 meeting |