16th HL-LHC Collaboration Meeting, Royal Holloway (UK), 14-16 September 2026

from Monday, September 14, 2026 (8:00 AM) to Wednesday, September 16, 2026 (4:30 PM)
Royal Holloway (Windsor Building)

        : Sessions
    /     : Talks
        : Breaks
Sep 14, 2026
Sep 15, 2026
Sep 16, 2026
AM
8:00 AM --- Registration at Royal Holloway, for Collaboration Board members ---
9:00 AM
Collaboration Board (restricted) (until 11:30 AM)
9:00 AM --- Registration at Royal Holloway, for Collaboration Meeting participants ---
11:30 AM --- Lunch break ---
8:30 AM
Plenary session 3 - Tuesday AM (until 10:30 AM)
8:30 AM Status of Cold Powering - Amalia Ballarino (CERN)  
8:50 AM RHUL contribution to HL-LHC  
9:10 AM Status of Beam Instrumentation - Raymond Veness (CERN)  
9:30 AM Beam screen production, integration, and preparation for the upcoming laser treatment - Cedric Garion (CERN)  
9:50 AM Status of (de-)installation and commissioning activities in the HL-LHC galleries and LHC tunnel  
10:10 AM LS3 baseline schedule and equipment readiness, incoming activities - Giulia Papotti (CERN)  
10:30 AM --- Coffee break ---
11:00 AM
Tuesday AM - WP2/WP3 (until 12:45 PM)
11:00 AM Updates on field quality - Georgiana Dima  
11:20 AM Flux jumps and voltage spikes, and their impact on the field - Lucio Fiscarelli (CERN)  
11:35 AM Sorting strategies based on transfer function and field quality of the new superconducting magnets in the HL-LHC - Andrea Fornara (CERN)  
11:50 AM Field quality at injection - Ewen Hamish Maclean (CERN)  
12:05 PM Magnetic field axis - Carlo Petrone (CERN)  
12:25 PM FRAS for Run 4 - Vivien Rude (CERN)  
11:00 AM
Tuesday AM - WP4/AUP/TRIUMF (until 12:40 PM)
11:00 AM DQW cavity production & testing - Nuria Valverde Alonso (CERN) Katarzyna Turaj (CERN)  
11:20 AM AUP cavity production & recent NCRs - Manuele Narduzzi  
11:40 AM AUP processing & testing - Alex Castilla (Lancaster University (GB))  
12:00 PM AUP HOMs status - Naeem Abdul Huque  
12:20 PM Dressed cavity testing experience at TRIUMF & preparations for TC0 and TCM1 - Zhongyuan Yao (TRIUMF)  
11:00 AM
Tuesday AM - WP6A/WP15/WP3/Transport (until 12:40 PM)
11:00 AM Cold Powering Systems in the LS3 installation planning : constraints & challenges - Laura Funder Giulia Papotti (CERN)  
11:20 AM Cold Powering Systems installation sequence, milestones, QA plan and challenges - Yann Leclercq (CERN)  
11:40 AM Lessons learnt from the IT String on the detailed Cold Powering Systems installation sequence - Florian Pasdeloup (CERN)  
12:00 PM Cold Powering Systems : interfaces and commissioning - Vanessa Gahier (CERN)  
12:20 PM Cold Powering Systems : electrical interfaces and commissioning - Samer Yammine (CERN)  
8:30 AM
Wednesday AM - WP2/WP5 (until 10:30 AM)
8:30 AM High-intensity tests - Sofia Kostoglou (CERN)  
8:50 AM Progress on HL collimator impedance and MDs - Julian Sonpar (Goethe University Frankfurt (DE))  
9:10 AM New optics baseline and IR7 status - Riccardo De Maria (CERN)  
9:30 AM Sensitivity of beam cleaning to missing collimators due to bellows failure - Andre Donadon Servelle (CERN)  
9:50 AM Shower simulation studies for missing collimators - Nuno Duarte (CERN)  
10:10 AM Update on IR7 optics, following latest MDs with intensity ramp-up and evolution of TCT losses - Bjorn Hans Filip Lindstrom (CERN and Royal Holloway University of London)  
8:30 AM
Wednesday AM - WP3-WP6A-WP6B-WP16-WP19 (until 10:30 AM)
8:30 AM String Validation Program and HWC of the HL-LHC Magnet Circuits - Samer Yammine (CERN)  
8:50 AM Commissioning of the Cryogenic System of the IT String - Aleksandra Onufrena (CERN)  
9:10 AM Validation of the HL-LHC Powering Performance in the IT String Converters - Vicente Raul Herrero Gonzalez (CERN)  
9:30 AM FRAS Performance in the various operation Phases of the IT String - Vincent Thomas Barbarroux (CERN)  
9:50 AM Cold Powering Operation of the IT String - Christian Barth (KIT - Karlsruhe Institute of Technology (DE))  
10:10 AM Performance during Powering of the Quench Detection System and Supervision System - Jens Steckert (CERN)  
8:30 AM
Wednesday AM - WP4 RF Powering (until 10:30 AM)
8:30 AM RF power procurement status & first acceptance tests - Amelia Veronica Edwards (CERN)  
8:50 AM HL-LHC LLRF & Controls & Interlocks - Gregoire Hagmann (CERN)  
9:10 AM M7 infrastructure & testing - Katarzyna Turaj (CERN)  
9:30 AM CM testing at TRIUMF & preparations - Zhongyuan Yao (TRIUMF)  
9:50 AM DQW cryomodules at UK RF testing strategy - Edward Jordan (Unknown)  
10:10 AM Discussion  
10:30 AM --- Coffee break ---
11:00 AM
Wednesday AM - WP2/WP5 (until 11:40 AM)
11:00 AM Review of the production and quality assessment of collimators and masks for HL-LHC - Emil Kaijanen  
11:20 AM Status of experimental tests for the transverse stability of the beams - Xavier Buffat (CERN)  
11:00 AM
Wednesday AM - WP3 (until 1:00 PM)
11:00 AM Cold masses at CERN - Herve Prin (CERN)  
11:20 AM Cryostating at CERN - Delio Ramos (CERN)  
11:40 AM Overview of WP3 power tests, with focus on tests at CERN - Franco Julio Mangiarotti (CERN)  
12:00 PM Q1/Q3 cold mass, cryostating and test - Sandor Feher (Fermi National Accelerator Lab. (US))  
12:20 PM Cryo-assembly installation: from the IT-String to the HL-LHC - Lucie Baudin (CERN)  
12:40 PM Status of BPM production and integration - Gerhard Schneider (CERN)  
11:00 AM
Wednesday AM - WP4 Flash talks (until 12:30 PM)
11:00 AM UK cleanroom QA & improvements - Susan Shirling  
11:10 AM DQW Survey + Alignment improvements CM#2 - Edward Jordan (Unknown)  
11:20 AM Refurbishment of SPS-RFD - Alex Verduyn  
11:30 AM Cryomodule QA/QC at CERN - Myriam Elena Benahmed  
11:40 AM Material testing - Claudia Tatiana Santos Maldonado  
11:50 AM Inventory status at TRIUMF  
12:00 PM Series RFD HOM analysis - Subashini De Silva (Old Dominion University (US))  
12:20 PM Buffer  
11:40 AM
Wednesday AM - WP2/WP5/WP13 (until 12:55 PM)
11:40 AM Expected performance of the BPM system - Michal Krupa (CERN)  
12:05 PM Crab cavity diagnostics status - Giusy Valeria Passarelli (University of London (GB))  
12:30 PM BGC as a hollow electron beam diagnostic - Milaan Patel (University of Liverpool)  
PM
1:00 PM
Plenary session 1 - Monday PM (until 3:30 PM)
1:00 PM Welcome  
1:05 PM Welcome  
1:10 PM HL-LHC Project status - Markus Zerlauth (CERN)  
1:40 PM Status of US-AUP contribution - Giorgio Apollinari (Fermi National Accelerator Lab. (US))  
2:00 PM Status of D1, DQHDs and HPRRF - Tatsushi Nakamoto (KEK)  
2:15 PM Status of D2 - Stefania Farinon (INFN e Universita Genova (IT))  
2:30 PM Completion of MCBXF production - Fernando Toral (CIEMAT - Centro de Investigaciones Energéticas Medioambientales y Tec. (ES))  
2:45 PM Completion of MCBRD magnet production - Qingjin Xu  
3:00 PM Status of WP3 with focus on readiness for installation - Susana Izquierdo Bermudez (CERN)  
3:30 PM --- Coffee break ---
4:00 PM
Plenary session 2 - Monday PM (until 5:50 PM)
4:00 PM IT String status, ROE form cooldown and operation  
4:20 PM WP4 status and CERN activities - Teddy Capelli (CERN) Nuria Valverde Alonso (CERN)  
4:50 PM Status of UK DQW cryomodules production - Edward Jordan (Unknown) Edward Stephen Jordan (STFC Daresbury Laboratory (GB))  
5:10 PM Status of RFD crab cavity production and qualification  
5:30 PM Status of RFD cryomodules production at TRIUMF - Robert Laxdal  
6:00 PM --- Welcome Reception ---
7:30 PM --- Collaboration Banquet ---
12:40 PM --- Lunch break ---
2:00 PM
Tuesday PM - MCF-WP3-WP7-WP12-WP16 (until 4:00 PM)
2:00 PM Benchmarking of Circuit and Quench Protection Simulations in the HL-LHC IT String (with an emphasis on RQX) - Dimitri Pracht (CERN)  
2:20 PM D1 Magnet Prototype from the Test Bench to the IT String - Kento Suzuki (KEK High Energy Accelerator Research Organization (JP))  
2:40 PM Performance of the RCBX and High Order Correctors in the IT String - Vincenzo Di Capua (CERN)  
3:00 PM Return of experience of the CLIQ and DQHDS systems in the IT String - David Carrillo (CERN)  
3:20 PM HL-LHC Energy Extraction System Performance - Bozhidar Ivanov Panev (CERN)  
3:40 PM Feedback of the IT String on the HL-LHC HWC Procedures and Software Tools - Lucia Herrero Alvarez (CERN)  
2:00 PM
Tuesday PM - WP2/WP4/WP5/WP7/WP13/WP14 (until 4:00 PM)
2:00 PM HL baseline and validation status - Nicolas Mounet (CERN)  
2:20 PM Updates on HL-LHC beam halo and simulated beam losses - Dora Erzsebet Veres  
2:40 PM Studies of collimation hierarchy breakage with non-linearities for HL - Ludovica Bertolozzi (EPFL - Ecole Polytechnique Federale Lausanne (CH))  
3:00 PM Shower studies for injection and extraction protection devices (TCDS and TCLIA) - Helene Guerin  
3:20 PM Result of damage experiment with radiation aged coils - Delphine Domange (Universite Libre de Bruxelles (BE))  
2:00 PM
Tuesday PM - WP4 Cryomodule (until 4:00 PM)
2:00 PM DQW & RFD cryomodules at CERN - Teddy Capelli (CERN)  
2:20 PM Cryogenics for crab cavities, design to realization - Krzysztof Brodzinski (CERN)  
2:40 PM DQW cryomodules at UK procedures, transport of CM2 - Edward Jordan (Unknown)  
3:00 PM Cryolines, instrumentation & Outgoing testing - Andy Blackett-May (STFC Daresbury Laboratory (GB))  
3:20 PM RFD cryomodules at TRIUMF  
3:40 PM Technical Management experience & lessons learned - Matthew Williams (STFC) Luke Kristian Bladen (STFC Daresbury Laboratory (GB))  
4:00 PM --- Coffee break ---
4:30 PM
Steering Committee with AUP (WP4) (until 5:30 PM)
4:30 PM
Tuesday PM - MCF-WP3-WP7-WP12-WP16 (until 5:10 PM)
4:30 PM QDS Integration/Controls in the IT String in Preparation for HL-LHC - Marc-Antoine Galilee (CERN)  
4:50 PM FRAS software status and protection layers - Brad Schofield (CERN)  
4:30 PM
Tuesday PM - WP2/WP4/WP5/WP7/WP13/WP14 (until 5:20 PM)
4:30 PM Update of the availability model for HL-LHC - Lukas Felsberger (CERN)  
4:45 PM Crab cavity failure case validation in the SPS - Christophe Lannoy (CERN)  
5:00 PM BLM HL-LHC layout and beam loss limits - Belen Maria Salvachua Ferrando (CERN)  
5:20 PM
Tuesday PM - WP2 (until 6:40 PM)
5:20 PM E-cloud updates from HI tests - Lotta Mether (CERN)  
5:40 PM Status of flat optics design and D2 coupling correction - Kyriacos Skoufaris (CERN)  
6:00 PM Dynamic Aperture of the baseline and alternative scenarios - Max Topp-Mugglestone (CERN)  
6:20 PM Status of Dynamic Aperture with updated magnet errors - Andrea Fornara (CERN)  
5:30 PM
Steering Committee with TRIUMF (WP4) (until 6:30 PM)
7:00 PM --- Collaboration Board Dinner (restricted) ---
12:30 PM --- Lunch break ---
2:00 PM
Steering Committee with INFN (until 3:00 PM)
2:00 PM
Wednesday PM - WP2/WP4 (until 3:40 PM)
2:00 PM SPS-RFD MDs & outlook - Rama Calaga (CERN)  
2:20 PM Beam-impedance induced heating during the high-intensity tests - Chiara Antuono (CERN)  
2:40 PM Operation / RF Multipoles with CCs in SPS - Ewen Hamish Maclean (CERN) Guido Sterbini (CERN)  
2:50 PM Longitudinal MDs in LHC 2026 and future outlook - Birk Emil Karlsen-Baeck (CERN)  
3:10 PM Longitudinal impedance, HL-LHC update - Michela Neroni  
3:30 PM Longitudinal Coupled bunch simulations for HL-LHC - Clara Charlotte Becker (Vienna University of Technology (AT))  
2:00 PM
Wednesday PM - WP2/WP5/WP13 (until 3:15 PM)
2:00 PM Halo monitoring - specifications and status - Federico Roncarolo (CERN)  
2:25 PM Modelling of transverse halo dynamics - Pascal Hermes (CERN)  
2:50 PM Emittance measurements for HL-LHC with the BGI - James Storey (CERN)  
3:30 PM --- Coffee break ---
4:00 PM
Close-out Session (until 4:30 PM)
4:00 PM Close out - Markus Zerlauth (CERN)