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93rd LHCC Meeting , CERN 7th May 2008

Status of the LHC Project. Lyn Evans. 93rd LHCC Meeting , CERN 7th May 2008. Summary LHC Cryogenics. Cooldown status. Sector 67. Sector 56. Sector 78. Sector 81. Cooldown status. Sector 23. Sector 12. Sector 45. Sector 34. PIM scan in 4-5.

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93rd LHCC Meeting , CERN 7th May 2008

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  1. Status of the LHC Project Lyn Evans 93rd LHCC Meeting, CERN 7th May 2008

  2. Summary LHC Cryogenics

  3. Cooldown status Sector 67 Sector 56 Sector 78 Sector 81

  4. Cooldown status Sector 23 Sector 12 Sector 45 Sector 34

  5. PIM scan in 4-5 • After warm-up of Sector 4-5, a ball scan was made to check for damaged PIMs. • In one week, 12 damaged modules were found and replaced.

  6. Ramp of 138 power converters to a current equivalent to 5.3 TeV(including all high current magnets realistic LHC optics ) 19 February 2008,15:00commissioning team

  7. Low-beta squeeze

  8. Re-training of dipoles • The following dipoles have shown re-training: • 3176 • 3180 • 3188 • 3196 • 3362 • 3370 • 3372 • One other dipole (2245) quenched at low field under unclear conditions.

  9. Powering of inner triplet to nominal current 9

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