• Detailed introduction of upgrade plans
• Review of HL-LHC parameters
• Brightness frontier in Run III following LIU upgrade
• Evolution of settings and protected aperture for small beta*
• Cleaning performance throughout the years
• Performance of IR cleaning (incoming and outgoing)
• Relevant system faults and HL-LHC protected aperture
• System failures, availability and sources of downtime
• Review of beam loss cases inducing damage
• Review beam losses and lifetime for protons and ions
• Stability and reproducibility: collimation settings
• Stability and reproducibility: orbit and optics
• Tail population measurements
• Experience with beam failures damaging the collimator
• New jaw design and performance of BPM collimators
• Operational performance of the TCSPM prototype in 2017-2018
• Software improvements and performance in Run II: alignment and BPM interlocks (including machine learning)
• Prospect for further improvements, including machine learning
• Recap. of Run III layouts
• Review technical solutions for DS around IR7 and IR2
• Studies of different locations for IR7 and final layouts
• TCLD design: settings and material choices. Functional specifications
• Review key/critical points in the ECR (installation, safety, transport…)
• Collimation quench tests with protons: can we quench with proton beams?
• Collimation quench tests with ions and BFPP quench tests
• Benchmark of simulations: peak energy deposition for the different test
• Quench limits and possible limitations from cryogenics
• Status of cryogenics limitations for different loss scenarios
• Comparison of present dipole and 11T dipole
• Review of relevant aspects in ions runs
• Plans for bumps in different IRs: IR1/5 without TCLD and IR2 with TCLD (without 11T)
• Are the bump solutions robust enough for the HL-LHC
• Luminosity reach with the present upgrade scenarios
• Brief highlights from the crystal collimation tests with ion beams during Run 2
• Overview talk from WP11: where we are and what are the plans for LS2
• Final configuration of cold masses and corrector package in new locations
• Summary of LS2’s ECRs
• IR7 upgrade plans in LS2 and LS3
• Experience from Run I and Run II
• Expectations for HL-LHC
• Review of beam tests with the low-impedance prototype
• Other mitigation options for impedance issues (new optics, asymmetric settings, new ATS) and drawbacks: theory and beam test results
• Layout for new IR1 and IR5
• Protected aperture and baseline settings
• Proposed material choices and their performance
• Layout for new IR1 and IR5: TCLs and masks
• DS losses at high luminosity: any limitations for proton operations?
• Status of mask specifications
• Overview of the overall plans, with specific aspects for WP5
• Review tolerances and specifications
• Timeline for critical decision points
• Recap. previous reviews and status of baseline process
• Design overview: where we are
• Status of process for insertion into baseline
• Review where we are: status of ongoing production for LS2
• Recap. of experience of LS1 production:
• Plans for future productions: what can we expect for LS3.
• Comments on the prospect for in-kind contributions
• Status of collimator design. New collimators for IR cleaning
• Summary of potential failure scenarios and resulting beam impact on the collimator jaws
• Experience without beam with the prototypes
• HiRadMat : overview and results. What is still missing? Needs for Run III (with LIU beams)
• Status of results from radiation damage tests
• Review of the performance of the MoGr without and with coating
• How can we optimize the production of MoGR?
• Other viable solutions: status of tests and validation [coated Gr or CFC]
• What is missing to validate the CuCD?
• Review of vacuum tolerances for carbon-based materials
• Proposed coating process for the collimator jaws
• Observed 'problems' with the prototypes and proposed mitigation steps
• IR7 vacuum tolerance in light of the vacuum bump test with beam
• Other coating implementations for the HL-LHC other than on the collimator jaws
• Review performance of present system
• Faults driving availability and expectations for HL-LHC
Solutions being studied for controls upgrade, with timeline
• Synergy with consolidation plans
• Layouts and beam test results
• Operational experience with high intensities in 2018
• Cleaning performance for ion beam collimation
• Is it an operational alternative for improving ion beam cleaning?
• Outcome of the Crystal Collimation day in Oct. 2018 (hardware options for LS2)
