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Review on PS Booster with Linac4

from to (Europe/Zurich)
at CERN ( AB Auditorium Meyrin )
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  • Thursday, 15 January 2009
    • 09:00 - 09:10 Welcome address 10'
      Speaker: Lyn Evans (CERN)
    • 09:10 - 09:35 Linac4 Project 25' 
      Overview of the Linac4 project
      Speaker: Maurizio Vretenar (CERN)
      Material: Slides powerpoint file pdf file
    • 09:35 - 10:05 Operational Scenarios within the Complex 30' 
      - Versatility of the (present) machine (to be maintained)
- Generation of “exotic” beams (some thoughts on machine activation?)
- Transfer of LHC type (and other) beams to the PS
      Speaker: Bettina Mikulec (CERN)
      Material: Slides powerpoint file pdf file
    • 10:05 - 10:35 Linac4 Beam Characteristics 30' 
      - Generation of energy modulation
- Beam characteristics to be expected around the PSB injection 
(distribution region up to injection point)
- Tunability, uncertainties
      Speaker: Alessandra Lombardi (CERN)
      Material: Slides powerpoint file pdf file
    • 10:35 - 11:00 Coffee break
    • 11:00 - 11:45 PS Booster beam dynamics with L4 45' 
      - Longitudinal painting
- Simulation of beams with strong direct space charge forces,
- Limitations due to H- injection hardware,
- Planned studies (investigations on feasibility of collimation)
      Speaker: Christian Carli (CERN)
      Material: Slides powerpoint file pdf file
    • 11:45 - 12:30 Upgrade of distribution and injection region 45' 
      - Layout, apertures magnets of the distributor region
- Layout, apertures, magnets and vacuum aspects of the injection region
- Foil handling mechanism
- Environment seen by the beam (BS inside/outside vacuum, shielding of cavities created ..)
      Speaker: Wim Weterings (CERN)
      Material: Slides powerpoint file pdf file
    • 12:30 - 14:00 Lunch ( DSR restaurant )
    • 14:00 - 14:30 Operational aspects and maintenance of the injection region 30' 
      - Transverse painting and aperture aspects, impact of injection failures on foil
- Foil exchange procedures (activation, time …)
- Control of injection losses and beam dump
- Specific instrumentation
      Speaker: Dr. Brennan Goddard (CERN)
      Material: Slides powerpoint file pdf file
    • 14:30 - 15:15 Commissioning of the PSB with Linac4 45' 
      - Commissioning strategies
- Milestones
- Possible difficulties and cures (use of instrumentation)
      Speaker: Dr. Klaus Hanke (CERN)
      Material: Slides powerpoint file pdf file
    • 15:15 - 15:45 RF aspects and possible limitations 30' 
      - Instabilities with higher intensities
- Beam loading problem at present with C04 cavities
- Future low RF level system (communication with Linac4 for chopping)
      Speaker: Alfred Blas (CERN)
      Material: Slides powerpoint file pdf file
    • 15:45 - 16:15 Coffee break
    • 16:15 - 18:00 Closed session
      Location: 6-2-002
  • Friday, 16 January 2009
    • 09:00 - 12:00 Closed session - Conclusions
      Location: 6-2-002