MPWG Minutes of meetings

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MPP Meetings 2016

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Minutes	Date	Topics presented
2016-120	15 January 2016 Indico page of the 120th MPP	Installation of Cherenkov detector (UA9) in TT20 and connection to SPS-BIS (S. Montesano) Change of SPS extraction interlock strategy for LIU beams (V. Kain) Changes on DCCT during YETS 2015/16, impact on SMP and commissioning requirements (S. Gabourin)
2016-121	19 February 2016 Indico page of the 121st MPP	Final interlock logic and deployment plan for FGClite in LHC (S. Uznanski) PC Interlock - status, next steps and feasibility of optics interlocking (K. Fuchsberger, M. Schaumann , R. bruce ) MPS re-commissioning for 2016 - a first look (M. Zerlauth) AOB - operational plans of AFP (M. Trzebinski)
2016-122	4 March 2016 Indico page of the 122nd MPP	AFP interlock test strategy and plans (M. Trzebinski) BLM threshold changes for 2016 run (A. Lechner) Replacement of RD1/RD34 power converters for increased rejection of network perturbations (H. Thiesen)
2016-123	18 March 2016 Indico page of the 123rd MPP	Status of BSRA hardware, the implementation of automatic checks and future plans (S. Mazzoni) Linac 4 commissioning with 100MeV MPS aspects (D. Nisbet) Status of MPS commissioning after YETS 2015/16 (M. Zerlauth) LHC Machine CHeckout (M. Albert)
2016-124	08 April 2016 Indico page of the 124th MPP	New type of asynchronous beam dump with erratic on 3 MKDs (M. Fraser) Impact of type 3 erratic on collimation - first results (R. Bruce) Beam lost in TI2 due to undetected wrong current in TT60 bending - event analysis and proposed mitigations in SPS FEI (M. Magrans) Summary of AFP commissioning results (M. Trzebinski) AOB - Proposal for settings strategy for TOTEM XRP during high intensity fills (R. Bruce) Addendum rMPP 28/04: TOTEM Roman Pots exposure to MKD misfire (M. Valette)
2016-125	22 April 2016 Indico page of the 125th MPP	Simulations for TDE and assumptions for operation in atmosphere (A. Lechner) Interlocking of TDE dump pressure - New sensors and interlock logic? (G. Bregliozzi) Procedures in case of missing dump pressure (W. Bartmann) Issue of injecting a nominal bunch into empty LHC (B2), sequence of events, short term mitigations and longterm options (J. Uythoven) AOB - Proposal for settings strategy for AFP XRP during high intensity fills (M. Trzebinski) AOB - Recap of intensity ramp-up check-list, verify responsibilities and update items if necessary (M. Zerlauth)
2016-126	13 May 2016 Indico page of the 126th MPP	Thresholds for BSRA (abort gap population) and automated beam dump by SIS (M. Fraser) BCM/BLM thresholds of LHC experiments vs LHC BLMs (M. Kalliokoski) AOB - CMS solenoid re-connection/commissioning (C. Martin)
2016-127	27 May 2016 Indico page of the 127th MPP	Orbit interlocking strategy and interlock values and status of PC Interlock (J. Wenninger) Requested AFP/TCL studies (M. Trzebinski) Recent observations in diamond detectors signal in the SPS extraction and LHC injection regions during 72b injections (F. Burkart) AOB - Status update of MPS commissioning procedures (D. Wollmann)
2016-128	03 June 2016 Indico page of the 128th MPP - joint meeting with the CollWG	Measured orbit at collimators and roman pots (G. Valentino) Status of collimator BPM software improvement and deployment (M. Gasior) OP observations of orbit (J. Wenninger) Experience with roman pot insertions in 2016 (M. Deile) AOB - BLM thresholds at TCLs and TCTs (A. Mereghetti) AOB - Discussion on system validation after technical stop (D. Wollmann)
2016-129	10 June 2016 Indico page of the 129th MPP	Excitation by ADT and active bunch-by-bunch tune measurements (D. Valuch) AOB - Update of BLM thresholds at collimators following 2016 loss maps and setting changes (A. Mereghetti) AOB - Status of MP relevant changes during TS1 and left overs from before (M. Zerlauth) link to the list of relevant changes
2016-130	24 June 2016 Indico page of the 130th MPP	Symmetric quench protection of IPQs part 2 (MQMs) and consequences for BLM thresholds (G. Willering) AOB - Increase of BLM thresholds to reduce the number of UFO dumps in matching sections (A. Lechner)
2016-131	22 July 2016 Indico page of the 131st MPP	Vertical orbit kicks due to heater firing in main dipoles after beam induced and training quenches (M. Valette) LHC vs SPS rephasing (local references) and LHC injection (A. Butterworth) AOB - Issue with creation of PM and mitigation (M. Christof Poeschl) AOB - Follow-up of the reduction of the abort gap keeper window (E. Carlier) AOB - ADT firmware update and revlidation after MD1 (D. Valuch) Report on ADT firmware update and validation
2016-Linac4	29 July 2016 Indico page of the special MPP on Linac4 machine protection	Welcome and goals of review (D. Nisbet & M. Zerlauth) 160MeV commissioning and reliability run plans (A. Lombardi) Half-sector test: Planning, objectives and operations (B. Mikulec) Machine Protection configuration for 160MeV (A. Apollonio) Linac 4 source: Status and interlock logic (M. O'Neil) Pre-Chopper: Status and interlock logic (N. Voumard) Chopper: Status and interlock logic (G. Hagmann) Watch dogs: Configurations and interlock logic (J.C. Allica Santamaria) L4 Power converters and switching magnet acquisition cards: Configurations and interlock logic (D. Nisbet) Beam Loss Monitors and Diamond detectors: Configurations and interlock logic (C. Zamantzas) L4 RF system: Status and interlock logic (D. Glenat)
2016-133	16 September 2016 Indico page of the 133rd MPP	Powering perturbation to the warm D1 magnet circuits, consequence on orbit, FMCM threshold, prospects for 2.5km and ATS optics (M. Valette) AOB - Summary of MKI B1erratic with quench of triplet in IP2 (W. Bartmann) AOB - Interlock logic for the laser and diamond detectors in Linac4 (T. Hofmann)
2016-134	30 September 2016 Indico page of the 134th MPP	Operational and interlocking strategy for beam-beam wire compensators in IP5 (TCT, TCL) (A. Rossi) Planned changes in N2 pressure measurements N2 of the TDE during EYETs and possible hardware interlocks (G. Bregliozzi)
2016-135	28 Octoberber 2016 Indico page of the 135th MPP	Beam-Beam Wire - report on results of developments for temperature supervision via wire resistance (TCT, TCL) (A. Rossi) Technical specification for CIBDS V2.0 (D. Calcoen)
2016-136	11 November 2016 Indico page of the 136th MPP	AOB - MKBH-C/B2 observed sparking activity after replacement of GTO stack - status and scenarios (V. Senaj) Damage levels of superconducting magnet components - status of studies and first experimental results (V. Raginel) AOB - Delay between CIBDS beam permit removal and TSU detection via long BIS path (S. Gabourin) AOB - Result of test with DCCT and 24bit ADC, effect on SMP and plans for EYETS (S. Gabourin)
2016-137	9 December 2016 Indico page of the 137th MPP	Foreseen interlocks for the operation of crab cavities in SPS (MD and fixed target) (G. Vandoni) AOB - Review of last PP intensity cruise checklist (J. Uythoven)
2016-138	16 December 2016 Indico page of the 138th MPP	Local BIS loops in LHC point 6 (C. Martin) Planned TSU firmware upgrade durint EYETS and requalification requirements (E. Carlier)

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