1. Reminder of upcoming milestones For all machines: Nov. 2012:Table of performance parameters Jan. 2013: Baseline activities defined Feb. 2013: Update APT/EVM (cost-to-completion) March 2013:Draft for Long and Mid Term Pls. May 2013:Technical design report  Clarify LIU-PS baseline and update APT/EVM basically From meeting LIU-PS 18/09/2012 0

2. LIU-PS01:Management LIU-PS02:Beam Dynamics LIU-PS03:Magnets LIU-PS04: RF systems (incl. longitudinal/transverse damper) 4.1 Low-level RF 4.2 High power RF (long. damper kicker) 4.3 Transverse damper 4.4 RF controls LIU-PS05:Power converters LIU-PS06:Beam instrumentation LIU-PS07: Beam intercepting devices LIU-PS08:Vacuum system LIU-PS09: Injection LIU-PS10:Extraction and transfer LIU-PS01:Management LIU-PS02:Beam Dynamics LIU-PS03:Magnets LIU-PS04: RF systems (incl. longitudinal/transverse damper) 4.1 Low-level RF 4.2 High power RF (long. damper kicker) 4.3 Transverse damper 4.4 RF controls LIU-PS05:Power converters LIU-PS06:Beam instrumentation LIU-PS07: Beam intercepting devices LIU-PS08:Vacuum system LIU-PS09: Injection LIU-PS10:Extraction and transfer EVM update of LIU-PS (1/2) 1

3. EVM update of LIU-PS (2/2) LIU-PS11:Controls LIU-PS12: Electrical Systems LIU-PS13:Cooling and ventilation LIU-PS14:Installation, transport and handling LIU-PS15:Civil engineering LIU-PS16:Radiation protection LIU-PS17: Interlock systems LIU-PS18:Alarms LIU-PS19:Access system doors LIU-PS20:Survey LIU-PS21:Commissioning and operation LIU-PS22:Dismantling LIU-PS11:Controls LIU-PS12: Electrical Systems LIU-PS13:Cooling and ventilation LIU-PS14:Installation, transport and handling LIU-PS15:Civil engineering LIU-PS16:Radiation protection LIU-PS17: Interlock systems LIU-PS18:Alarms LIU-PS19:Access system doors LIU-PS20:Survey LIU-PS21:Commissioning and operation LIU-PS22:Dismantling 2

4. Present baseline (1/3) 3

5. Present baseline (2/3) 4

6. Present baseline (3/3) 5

7. Resonance compensation Compensation of resonances 2Q h + Q v = 1, Q h + 2Q v = 1 and 3Q v = 1 requires skew sextupoles Plan: ‐Re-install existing sextupole magnets during X-mas stand-by ‐Proof-of-principle beam tests in early 2013 (before LS1!) ‐Development of new compensation scheme during LS1, potentially including also octupoles (for 4Q v = 1)  Include resonance compensation magnets in LIU-PS03 (magnets)  Include power supplies + cabling for resonance compensation in LIU-PS05 (power converters ) A. Huschauer et al. 6

8. RF (high-power and low-level) Preliminary conclusion of PS-SPS transfer studies: ‐2 nd 40 MHz cavity will provide more margin (longitudinal emittance and transmission) ‐Even if 2 nd cavity not available, operation possible  Main priority on improving reliability of existing cavities  Keep additional 40 MHz cavity as optional in LIU-PS4.2 (RF, high power) No immediate justification for complete exchange of power amplifiers 10 MHz  Keep new 10 MHz power amplifiers optional in LIU-PS4.2 (RF, high power) 1-turn feedback most probably not required on 20 MHz cavities  Keep new 20 MHz 1-turn feedback optional in LIU-PS4.1 (RF, low-level) 7

9. Transverse feedback on the flat-top Successful operation of transverse damper against FT instabilities Plan (next to fully commissioning the damper): ‐Validate that observed instabilities are e-cloud driven ‐Estimate new requirements for the existing damper or an additional dedicated wide-band feedback ‐Maximum damper strength in CW  Include transverse feedback as baseline action against electron cloud instabilities in LIU-PS4.4 (RF, transverse damper)  Remove coating from project baseline in LIU-PS08 (vacuum) A. Blas, G. Sterbini et al. 10 ms! horizontal FB ON FBOFF 8

10. Beam instrumentation Trajectory measurement of LHC-type beams shortly before ejection, when the beam is already bunches with 20/40 MHz Tentative plan: Investigate possibility of adding 1/2 transverse wide-band pick-up(s) as copies of existing pick-up in SS94 Phase advance between pick-ups to be checked Check needs for application software/LabView read-out  Input to be provided for BI review board on trajectory measurements  Eventually add transverse wide-band pick-ups to LIU-PS06 (beam instrumentation) 9

11. Beam dump replacing SS12 ralentisseur Dump to act as a collimator to reduce losses at extraction (CT or MTE) a ralentisseur for the emittance measurements a fast scraper to measure the tails of the LHC beams Replace internal dumps in SS47/48 Alessandro Masi following-up development  To be included as baseline in work unit LIU-PS07 (beam intercepting devices) 10

12. New vacuum chamber MU41 Vacuum chamber of magnet unit 41 identified as aperture limitation, causing losses  New vacuum chamber MU41 as project baseline  To be included in LIU-PS08 (vacuum) work unit 11

13. Summary Cost-to-completion to be ready for early 2013 Relevant changes to LIU-PS baseline: Resonance compensation High-power RF Transverse feedback instead of e-cloud coating Beam instrumentation Beam dump replacing SS12 ralentisseur New vacuum chamber MU41 Minor changes and updates of all other work units Please check \\cern.ch\dfs\Departments\BE\Projects\PSUpgrade\WorkPackages_2012-10-08\\cern.ch\dfs\Departments\BE\Projects\PSUpgrade\WorkPackages_2012-10-08  Thank you for updating the work units in APT/EVM 12