LHC 2010 - latest news

Week 18: Machine Coordinators:    Oliver Bruening - Joerg Wenninger

Latest plan: link PDF link XLS (version of 3 May, 10:00)

List of End of Fill studies (in work)

List of MD requests (in work)

Procedure for Physics fill and recover including squeeze

Day Short summary/plan Link to reports from 8:30 and 17:00 meetings
Monday 3rd May 2010
  • 9:00 : EOF studies of the last 450 GeV high intensity "- 2x2 - 1e11/bunch
  • 13:00 : RF studies - higher I.
  • 16:00 : Access for BIC UJ56
  • 18:00 : Pre-cycle
  • 20:00 : RF studies
  • 22:30 : Ramp to 3.5 TeV, B1 lost (LBDS BETS) at ~900 GeV. B2 lost before squeeze.
  • 02:30 : Ramp to 3.5 TeV, B1 lost (LBDS BETS) at ~900 GeV. B2 squeezed to 2 m.

Report from the 8h30 meeting

MP3 report

Tuesday 4th May 2010
  • 5:00 : Ramp-down
  • 08:00 : Transverse damper.
  • 10:30 : Water problem Pt 2, lost cryo conditions.
  • 04:00 : Beam back.
  • 04:30 : Transverse damper.
Report from the 8h30 meeting

Beam-beam MD summary
Wednesday 5th May 2010
  • 4:30 : Transverse damper, IR6 aperture.
  • 14:30 : No beam from SPS (compensator problem).
  • 16:30 : BPM calibration, collimation setup at 450 GeV
  • 01:30 : Power cycle QPS 67, pre-cycle.
  • 04:30 : Ramp attempt to 3.5 TeV.
  • 06:00 : Lost arc45 - electrical perturbation.
Report from the 8h30 meeting
Thursday 6th May 2010
  • 7:30 : Transverse damper
  • 14:30 : Cryo problem Pt2
  • 01:00 : Attempt for short 3.5 TeV physics fill, squeeze optics. Beta-beat measurement in the ramp.
  • 05:20 : ramp-down.
Report from the 8h30 meeting
Friday 7th May 2010
  • 7:00 : Collimation setup at 450 GeV
  • 15:00 : LBDS at 450 GeV
  • 03:00 : pre-cycle
  • 06:00 : injection, prepare for 3.5 TeV physics fill, squeeze optics 3.5e10/beam
Report from the 8h30 meeting

Transverse damper setup
Saturday 8th May 2010
  • 07:45 : start ramp
  • 09:50 : cryo maintain S23 lost for 6 secs during preparation for squeeze.
  • 12:00 : loss maps for collimator setup validation.
  • 16: 00 : Physics fills at 3.5 TeV, 2 m, 2 bunches of 1.7E10.
Report from the 9h00 meeting
Sunday 9th May 2010
  • Mostly physics fills at 3.5 TeV, 2 m, 2 bunches of 1.7E10.
 Report from the 8h30 meeting
Monday 10th May 2010
  • Mostly physics fills at 3.5 TeV, 2 m, 2 bunches of 1.7E10.
 Report from the 8h30 meeting