LHC Collimation Working Group
List of 2017 meetings


06.11.2017, 226th meeting
          Minutes and slides can be found on the Indico page.
          S. Tygier: Update on Merlin studies of losses in the squeeze
          H. Garcia Morales: First ideas for collimation strategy during the high-beta
                                          run at injection
          A.
Tsinganis: Impact of roman pot and TCL settings on radiation levels
                                 in the LHC matching section


24.10.2017, 225th meeting
          Minutes and slides can be found on the Indico page.
          N. Fuster Martinez: Results of aperture measurements with AC dipole
          G. Azzopardi: MD on software for angular alignment

09.10.2017, 224th meeting
          Minutes and slides can be found on the Indico page.
          M. Patecki: Results of scraping of off-momentum halo at injection
          A. Sounas: Beam size measurements using collimator BPMs

25.09.2017, 223rd meeting
          Minutes and slides can be found on the Indico page.
          M. D'Andrea: Studies of collimator BLM response
          A. Mereghetti: Hierarchy limit MD

31.07.2017, 222nd meeting
          Minutes and slides can be found on the Indico page.
          D. Mirarchi: Status of 7.5 TeV loss map studies
          N. Fuster Martinez: MD on aperture measurement at 30 cm
          R. Bruce: Analysis of TCT losses during 2017 asynch dumps
          J. Wretborn: Simulations of off-momentum losses at the start of the ramp

24.07.2017, 221st meeting -- Joint with MPP
          Minutes and slides can be found on the Indico page.
          S. Jakobsen: Experience with AFP insertions
          J. Wenninger: Orbit stability around AFP pots
          A. Gorzawski: Analysis of SIS interlock triggering in 2017 run and outcome
                                   of dedicated beam tests
          D. Mirarchi: Beam 2 loss maps at injection after TS1

19.06.2017, 220th meeting
          Minutes and slides can be found on the Indico page.
          N. Fuster Martinez: 5th axis tests for collimators with BPMs
          G. Azzopardi:
Results of collimator alignments
          G. Arkadiusz: Loss studies with IR7 diamond BLMs
          H. Garcia Morales:
Simulations of 2017 off-momentum loss maps

09.06.2017, 219th meeting -- Joint with MPP
          Minutes and slides can be found on the Indico page.
          G. Baud and M. Gasior: DOROS BPM hardware status and plans for
                                                 un-masking of the interlock
          G. Arkadiusz:
BPM interlock status and plans
          D.
Wollmann: PC interlock status
          A. Antoine:
60 A PP loss (08.05.), PIC server overload due to QPS OK filtering
                              --> robustness of mitigation
          J. Wenninger:
60 A PP FGClite new failure cases and mitigation via SIS
                                 interlock
          C.
Zamantzas: HV problem at BLMs R3 - observations and possible mitigations
          R. Bruce:
Asynchronous dump with tighter TCTs

29.05.2017, 218th meeting
          Minutes and slides can be found on the Indico page.
          D. Mirarchi:
Status of loss maps and validation
          N. Fuster: Aperture measurements and comparisons with expectations
          K. Fuchsberger and M. Hostettler: Status and implementation of collimator
                                                                   movements for crossing angle levelling


08.05.2017, 217th meeting
          Minutes and slides can be found on the Indico page.
          I. Lamas: Results from collimator hardware commissioning
          A. Rossi: Results from hardware and interlock commissioning of TCTPW
          D. Mirarchi:
Updates on LHC collimation commissioning activities

10.04.2017, 216th meeting
          Minutes and slides can be found on the Indico page.
          A. Tsinganis: Recent studies of energy deposition from physics debris
          R. Garcia Alia: TCL settings and R2E implications
          Common discussion: MD study on TCL settings with collimation and
          forward physics?
          H. Garcia Morales: Collimation studies for 2.5 km run


03.04.2017, 215th meeting
          Minutes and slides can be found on the Indico page.
          A. Mereghetti: Cleaning studies with TCP misalignment
          J. Wretborn: Studies of off-momentum collimation at the start of the ramp
          J. Molson: Plans for re-organizing the SixTrack collimation routine

21.03.2017, 214th meeting
          Minutes and slides can be found on the Indico page.
          K. Sjobaek: Recent improvements in SixTrack for collimation
          A. Mereghetti: Recent improvements in collsoft
          J. Molson: Recent developments for SixTrack scattering
          Y. Zou: Checks of Merlin scattering routine in SixTrack for LHC

27.02.2017, 213th meeting
          Minutes and slides can be found on the Indico page.
          M. Patecki: Status of studies on the SPS cleaning system
          G. Baud and J. Olexa: Status of software implementation for BPM interlocks
          Common discussion on strategy for deployment of BPM interlocks

10.02.2017, 212th meeting -- Joint with MPP
          Minutes and slides can be found on the Indico page.
          R. Bruce: ATS 2017: Consequences of increased phase advance between
                          MKD and TCT on TCT/triplet protection

          M. Vallette: ATS 2017: Verification of phase advance between MKDs and
                              AFP / CT-PPS Roman pots

          R. Bruce: ATS 2017: Preliminary studies and discussion on AFP and CT-PPS
                          minimal settings
          M.
Schaumann: PC interlock - experience from 2016 operation