Week 44: Machine coordinators: G. Arduini, R. Assmann, MD Coordinators: R.
Assmann, F. Zimmermann
|
Day
|
Summary
|
Link to report from morning meeting
|
|
Monday 7th November
|
- Night: loss maps. ALFA
roman pot could not be moved in position.
- Transfer line steering
optimization
- 06:30 Start of
technical stop.
|
08:30 meeting
(week summary)
Heavy
ion commissioning
|
|
Sunday 6th November
|
- 02:00 Collisions in
point 1/2/5. Quiet beams for 1 hour
- 05:30-06:30 Loss maps
at injection
- 06:30-09:30 Collimator
(TCT) control problem in point 1. Access
- Still problem with
collimator in point 1 requiring another access
- 16:30-19:00 TCT
setting-up in point 2 separated and in collision
- Night: loss maps. ALFA
roman pot could not be moved in position.
|
09:00 meeting
|
|
Saturday 5th November
|
- 02:00 Start MD on
quench margin at injection
- 05:30 Start BI MD
- 09:30 Start of BIMD
- 14:30 RQT trip - end
of MD
- Change polarity of
Solenoid/Dipole for ALICE. Switch OFF LHCb dipole.
- 17:00 Start ion
commissioning
- 21:30 Both beams
circulating and captured
|
09:00
meeting
IR2 Aperture
measurements summary (M. Giovannozzi)
|
|
Friday 4th November
|
- No
beam form SPS due to beam dump kicker problem. Investigation on aperture
issues L2 continuing (Survey)
- 19:
30 Beam back. Start preparation for MD on tight collimator settings
|
08:30 meeting
|
|
Thursday 3rd November
|
- 09:30 In shadow of SPS
recovery: Survey and RP experts investigate unknown IR2 aperture
bottleneck. Location from beam measurements: somewhere upstream of the
TCTVB.4L2.
|
08:30
meeting
|
|
Wednesday 2nd November
|
- Cryo recovery and
access
- 17:30 Cryo OK
- 19:00 Injection
- 23:00 Start of
aperture measurement in Pt3
- 03:00 beam dump due to
losses when moving TCT.
- No beam from SPS due to
beam dump kicker problem
|
08:30 meeting
& MD report
Cryogenics
status
MD
plan discussion
|
|
Tuesday 1st November
|
- 01:00 Start of TDI and
UFO MD
- 09:00 Start UFO MD
- 10:37 Lost cryogenics
in point 8
- Accesses during day
and evening
- TI8 stability tests
overnight
|
08:30
meeting & MD report
|
|
Monday 31th October
|
- 07:00 Start of Proton
– Lead MD. First lead beam 2011. Ramped proton and lead beam.
Re-phasing successful. Halloween night…
|
08:30 meeting
IR2 ions aperture (Jörg)
|