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MPP Main Ring Magnet Performance Panel Meeting

MPP Main Ring Magnet Performance Panel Meeting. Wednesday 13 August 2008 Agenda: General information ECR for improvement of dependability of 60 A software interlock. M. Zerlauth Results of the simulations for the different spare quench heaters reconfigurations in MB magnets. N. Schwerg

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MPP Main Ring Magnet Performance Panel Meeting

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  1. MPPMain Ring Magnet Performance Panel Meeting Wednesday 13 August 2008 Agenda: General information ECR for improvement of dependability of 60 A software interlock. M. Zerlauth Results of the simulations for the different spare quench heaters reconfigurations in MB magnets. N. Schwerg Status of the 600 A circuits ramp rate and acceleration parameters. W. Venturini Delsolaro Matters arising

  2. Injection test in Sector 2-3

  3. ETLT Injection test in Sector 2-3 Stopping the beam Stefano Redaelli

  4. Injection test in Sector 2-3 • Main objectives: • Injection • Energy matching • Dispersion measurement • Aperture scans • Trajectory corrections • Intensity threshold for BPM system • BLM measurements • …

  5. Injection test in Sector 2-3 • Tests with beam (single bunch) • Pilot Beam for the most part: • single bunch of 5 - 10 x 109 protons • Beam emittance: 1 µm • Momentum spread: nominal • Nominal tunes, nominal magnetic machine • Total intensity injected: • 1 x 1013 protons

  6. Injection test in Sector 2-3 - First beam to IR3

  7. Injection test in Sector 2-3 - First beam to IR3

  8. Injection test in Sector 2-3 - First beam to IR3

  9. Injection test in Sector 2-3 • Trajectory measurements and corrections

  10. Injection test in Sector 2-3 • Aperture scans

  11. Injection test in Sector 2-3 - First BLM data

  12. Main issues relevant for MPP • First beam induced quench in RB

  13. Main issues relevant for MPP

  14. Main issues relevant for MPP • Induced quenches in 600A circuits due to FPA

  15. Main issues relevant for MPP • QH Power Supply in RB • Replacement needed • First intervention in the tunnel with RP team • Trip of RQT13 • Discharge of QH in RQD

  16. Summary • The sector test has to be regarded as very successful • Essential step towards circulating beams and the LHC startup • MPP contribution • MPP has significantly improved efficiency of the injection test in sector 1-2 • Contribution was appreciated by other participating teams • Very useful exercise for participating MPP experts

  17. Next step - Injection test in Sector 7-8

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