Dr
Stefano Redaelli
(CERN)
14/06/2011, 09:35
Collimation system description: multi-stage cleaning, different planes, betatron and momentum. Definition of cleaning efficiency. Introduction quench limit. Hierarchy. Limiting physics processes: single-diffractive p scattering, ion fragmentation, ... Comments on hollow e-beam scrapers.
Daniel Wollmann
(CERN)
14/06/2011, 10:00
How is it adjusted? How does it perform in LHC (loss maps: measurement and simulation). MD results at 3.5TeV and performance reach at 7TeV. Losses in luminosity production (dispersion suppressors). Measurement protons vs ions. Minimum beam lifetime. First SPS results BPM’s in jaws.
Markus Brugger
(CERN)
14/06/2011, 10:50
Issues with radiation to electronics in LHC, with focus on collimation insertions. IR7 versus IR3 sensitivity. Benefit of moving losses from IR7 to IR3.
Roderik Bruce
(CERN)
14/06/2011, 11:10
Stability of LHC machine (orbit, beta). Required margins for collimation setup. Connection collimation to beta*. What beta* can be achieved? Origins of limitations: protection condition, infrequent collimation setups, machine drifts.
Mr
Anton Lechner
(Atomic Institute of the Austrian Universities, TU Vienna)
14/06/2011, 11:30
FLUKA models and predictions. Comparison between measurements and simulations. Safety margins.
Alessandro Dallocchio
(CERN)
14/06/2011, 11:50
Short description phase 1 design. Second generation collimators. Improved jaw materials. Collimators for cryogenic regions (warm/cold solution).
Keith Kershaw
(CERN)
14/06/2011, 12:15
Highlights from work for collimation remote handling and remote survey. Plans.
