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Saturday morning

Saturday morning. 09:23 Dumped fill 2006 after 25h59m stable beams Atlas 100.5 pb-1 Alice 175 nb-1 CMS 98.3 pb-1 LHCb: 31.5 pb-1 Access for Alice 11:00 ALICE intervention on cooling finished C ycle Alice’s solenoid 12:15 Pilots in. Injection. Bunch intensity 1.25e11 Injection clean

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Saturday morning

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  1. Saturday morning • 09:23 Dumped fill 2006 after 25h59m stable beams • Atlas 100.5 pb-1 • Alice 175 nb-1 • CMS 98.3 pb-1 • LHCb: 31.5 pb-1 • Access for Alice • 11:00 ALICE intervention on cooling finished • Cycle Alice’s solenoid • 12:15 Pilots in

  2. Injection • Bunch intensity 1.25e11 • Injection clean • SPS BQM stopped a number of injections due to bunch length • wirescans 144b-train: • B1-H: 1.4 B1-V: 1.3 B2=H: 1.6 B2-V: 1.9 • Vertical blow-up on a least some bunches fleeting noted • 13:45 Ramp started • The Tune FB stopped in the B1-H plane several times at the start of the squeeze– measurement stability out of bounds

  3. LHC status

  4. Fill 2007 • 14:45 Stable beams • Total intensity 1.73e14 • Average bunch intensity 1.25e11 • Initial luminosity ~1.95e33 • Average emittance ~2.15 microns • Note high vacuum around 3 & 7

  5. Vacuum LHC status

  6. Bunch-by-bunch from BRAN LHC status

  7. Losses on TCTVB.4R8 We have found that the losses at the TCTVB.4R8 are actually correlated with the losses at the TCP of IP3. What we see is then a leakage from the momentum cleaning. LHC status

  8. Temperature TCTVB.4R8 LHC status

  9. Vacuum Note also improvement in 3 & 7 LHC status

  10. Sunday morning • 07:40 Fill 2007 dumped – PIC PLC R1 UJ16 • Lost matching section R1 • Markus Zerlauth: memory corruption, remote reset possible • Stable beams: 17h12m ~80 pb-1 delivered in Atlas/CMS • Reset, pre-cycle and go LHC status

  11. LHC status

  12. LHC status

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