LHC 2010 - latest news

Week 40: Machine coordinators: Roger Bailey, Joerg Wenninger, Jan Uythoven

Main aims of the week:

LHC coordination vistar

Day

Summary

Link to report from morning meeting

Monday 11th October
  • Injection checks
Slides from 8:30 meeting

Slides on vacuum in ATLAS
Sunday 10th October
  • Check injection B1
  • Physics 248 bunches
Slides from 9:00 meeting
Saturday 9th October
  • Cryogenics recovery
Slides from 9:00 meeting
Friday 8th October
  • Physics 248 bunches
Slides from 8:30 meeting
Thursday 7th October
  • Morning - physics
  • Short access (for BBQ Pt4)
  • Injection of 24 bunches
  • Physics with 248 bunches
Slides from 8:30 meeting
Wednesday 6th October
  • Fill 1394 lost at 01.45 due to BLM crate communications problem
  • Problems with BOOSTER and LHCb VELO interlocks through the night
  • Quench tests in the morning and early afternoon
  • PLL ramp
  • Problems with BLM crate CPU
  • Physics with 200 bunches late night
Slides from 8:30 meeting
Tuesday 5th October
  • End of fill just after 09.00 - integrated luminosity > 2pb-1
  • Access, scheduled for CMS, ALICE, needed for QPS in S34
  • Water problem found in S34, intervention needed
  • Beam back at 20.00
  • Filling for physics from 22.00
  • Fill 1394, 200 bunches per beam, stable beams at midnight
  • < N > 1.1e11
Slides from 8:30 meeting

Monday 4th October

  • Preparing for the next intensity step
  • Injection of 200 bunches and validation of interlocked BPMs - OK
  • Test ramp to correct coupling through the squeeze -OK
  • Physics fill 1393 with 200 bunches per beam from 20.00
  • < N > 1e11 emittances at 450GeV 2.2 um
  • No significant vacuum activity during the whole cycle filling - collision
  • initial lumimosities 6.8 e31, corresponding emittances 2.6 um
  • VdM length scale calibration in ATLAS 22.00 to 01.00
  • TOTEM pots in at 06.00

Slides from 8:30 meeting