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

from Monday, 14 September 2026 (08:00) to Wednesday, 16 September 2026 (16:30)


        : Sessions
    /     : Talks
        : Breaks
14 Sept 2026
15 Sept 2026
16 Sept 2026
AM
08:00 --- Registration at Royal Holloway, for Collaboration Board members ---
09:00
Collaboration Board (restricted) (until 11:30)
09:00 --- Registration at Royal Holloway, for Collaboration Meeting participants ---
11:30 --- Lunch break ---
08:30
Plenary session 3 - Tuesday AM (until 11:00)
08:30 Status of Cold Powering - Amalia Ballarino (CERN)  
08:50 RHUL contribution to HL-LHC  
09:10 Beam Instrumentation for HL era (BGI, Coronagraph, BGC, crab cavity diagnostics …)  
09:30 Beam screen production, integration, and preparation for the upcoming laser treatment - Cedric Garion (CERN)  
09:50 Status of (de-)installation and commissioning activities in the HL-LHC galleries and LHC tunnel  
10:10 LS3 baseline schedule and equipment readiness, incoming activities - Giulia Papotti (CERN)  
10:30 --- Coffee break ---
11:00
Tuesday AM - WP2/WP3 (until 12:45)
11:00 Updates on field quality - Georgiana Dima  
11:20 Flux jumps and voltage spikes, and their impact on the field - Lucio Fiscarelli (CERN)  
11:35 Sorting - Massimo Giovannozzi (CERN) Andrea Fornara (CERN)  
11:50 Field quality at injection - Ewen Hamish Maclean (CERN)  
12:05 Magnetic field axis - Carlo Petrone (CERN)  
12:25 FRAS for Run 4 - Helene Mainaud Durand (CERN)  
11:00
Tuesday AM - WP4/AUP/TRIUMF (until 12:40)
11:00 DQW cavity production & testing - Nuria Valverde Alonso (CERN) Katarzyna Turaj (CERN)  
11:20 AUP cavity production & recent NCRs - Manuele Narduzzi  
11:40 AUP processing & testing - Alex Castilla (Lancaster University (GB))  
12:00 AUP HOMs status - Naeem Abdul Huque  
12:20 Dressed cavity testing experience at TRIUMF & preparations for TC0 and TCM1 - Zhongyuan Yao (TRIUMF)  
11:00
Tuesday AM - WP6A/WP15/WP3/Transport (until 12:40)
11:00 Cold Powering Systems in the LS3 installation planning : constraints & challenges - Laura Funder Giulia Papotti (CERN)  
11:20 Cold Powering Systems installation sequence, milestones, QA plan and challenges - Yann Leclercq (CERN)  
11:40 Lessons learnt from the IT String on the detailed Cold Powering Systems installation sequence - Florian Pasdeloup (CERN)  
12:00 Cold Powering Systems : interfaces and commissioning - Vanessa Gahier (CERN)  
12:20 Cold Powering Systems : electrical interfaces and commissioning - Samer Yammine (CERN)  
08:30
Wednesday AM - WP2/WP5 (until 10:30)
08:30 High-intensity tests - Sofia Kostoglou (CERN)  
08:50 Progress on HL collimator impedance and MDs - Nicolas Mounet (CERN) Chiara Antuono (CERN)  
09:10 New optics baseline and IR7 status - Riccardo De Maria (CERN)  
09:30 Collimation studies for HL in case we have to disable collimators due to breaking bellows - Andre Donadon Servelle (CERN)  
09:50 Shower simulation studies for missing collimators - Nuno Duarte (CERN)  
10:10 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)  
08:30
Wednesday AM - WP3-WP6A-WP6B-WP16-WP19 (until 10:30)
08:30 String Validation Program and HWC of the HL-LHC Magnet Circuits - Samer Yammine (CERN)  
08:50 Commissioning of the Cryogenic System of the IT String - Aleksandra Onufrena (CERN)  
09:10 Validation of the HL-LHC Powering Performance in the IT String Converters - Vicente Raul Herrero Gonzalez (CERN)  
09:30 FRAS Performance in the various operation Phases of the IT String - Vincent Thomas Barbarroux (CERN)  
09:50 Cold Powering Operation of the IT String - Christian Barth (KIT - Karlsruhe Institute of Technology (DE))  
10:10 Performance during Powering of the Quench Detection System and Supervision System - Jens Steckert (CERN)  
08:30
Wednesday AM - WP4 RF Powering (until 10:30)
08:30 RF power procurement status & first acceptance tests - Amelia Veronica Edwards (CERN)  
08:50 HL-LHC LLRF & Controls & Interlocks - Gregoire Hagmann (CERN)  
09:10 M7 infrastructure & testing - Katarzyna Turaj (CERN)  
09:30 CM testing at TRIUMF & preparations - Zhongyuan Yao (TRIUMF)  
09:50 DQW cryomodules at UK RF testing strategy - Edward Jordan (Unknown)  
10:10 Discussion  
10:30 --- Coffee break ---
11:00
Wednesday AM - WP2/WP5 (until 11:40)
11:00 Latest studies of heating of TCLM4 mask - Francois-Xavier Nuiry (CERN)  
11:20 Status of experimental tests for the transverse stability of the beams - Xavier Buffat (CERN)  
11:00
Wednesday AM - WP3 (until 13:00)
11:00 Q2 magnets and cold masses at CERN - Julia Mary Haack  
11:20 Cryostating at CERN - Delio Ramos (CERN)  
11:40 Overview on WP3 cold powering test - Franco Julio Mangiarotti (CERN)  
12:00 Q1/Q3 cold mass, cryostating and test - Sandor Feher (Fermi National Accelerator Lab. (US))  
12:20 Cryo-assembly installation: from the IT-String to the HL-LHC - Lucie Baudin (CERN)  
12:40 Status of BPM production and integration - Gerhard Schneider (CERN)  
11:00
Wednesday AM - WP4 Flash talks (until 12:30)
11:00 UK cleanroom QA & improvements - Susan Shirling  
11:10 DQW Survey + Alignment improvements CM#2 - Edward Jordan (Unknown)  
11:20 Refurbishment of SPS-RFD - Alex Verduyn  
11:30 Cryomodule QA/QC at CERN - Myriam Elena Benahmed  
11:40 Material testing - Claudia Tatiana Santos Maldonado  
11:50 Tuners lessons learned - Kurt Artoos (CERN)  
12:00 Inventory status at TRIUMF  
12:10 Series RFD HOM analysis - Subashini De Silva (Old Dominion University (US))  
11:40
Wednesday AM - WP2/WP5/WP13 (until 12:40)
11:40 BGC as a hollow electron beam diagnostic - Milaan Patel (University of Liverpool)  
12:00 Expected performance of the BPM system - Michal Krupa (CERN)  
12:20 Emittance measurements for HL-LHC with the BGI - James Storey (CERN)  
PM
13:00
Plenary session 1 - Monday PM (until 15:30)
13:00 Welcome  
13:05 Welcome  
13:10 HL-LHC Project status - Markus Zerlauth (CERN)  
13:40 Status of US-AUP contribution - Giorgio Apollinari (Fermi National Accelerator Lab. (US))  
14:00 Status of D1, DQHDs and HPRRF - Tatsushi Nakamoto (KEK)  
14:15 Status of D2 - Stefania Farinon (INFN e Universita Genova (IT))  
14:30 Completion of MCBXF production - Fernando Toral (CIEMAT - Centro de Investigaciones Energéticas Medioambientales y Tec. (ES))  
14:45 Completion of MCBRD magnet production - Qingjin Xu  
15:00 Status of WP3 with focus on readiness for installation - Susana Izquierdo Bermudez (CERN)  
15:30 --- Coffee break ---
16:00
Plenary session 2 - Monday PM (until 17:40)
16:00 IT String status, ROE form cooldown and operation  
16:20 Status of WP4 - Rama Calaga (CERN)  
16:40 Status of DQW cryomodules production  
17:00 Status of RFD crab cavity production and qualification  
17:20 Status of RFD cryomodules production at TRIUMF - Robert Laxdal  
18:00 --- Welcome Drink followed by Collaboration Banquet ---
12:40 --- Lunch break ---
14:00
Tuesday PM - MCF-WP3-WP7-WP12-WP16 (until 16:00)
14:00 Benchmarking of Circuit and Quench Protection Simulations in the HL-LHC IT String (with an emphasis on RQX) - Dimitri Pracht (CERN)  
14:20 D1 Magnet Prototype from the Test Bench to the IT String - Kento Suzuki (KEK High Energy Accelerator Research Organization (JP))  
14:40 Performance of the RCBX and High Order Correctors in the IT String - Vincenzo Di Capua (CERN)  
15:00 Return of Experience of the CLIQ HWC in the IT String - David Carrillo (CERN)  
15:20 HL-LHC Energy Extraction System Performance - Bozhidar Ivanov Panev (CERN)  
15:40 Feedback of the IT String on the HL-LHC HWC Procedures and Software Tools - Lucia Herrero Alvarez (CERN)  
14:00
Tuesday PM - WP2/WP4/WP5/WP7/WP13/WP14 (until 16:00)
14:00 HL baseline and validation status - Nicolas Mounet (CERN)  
14:20 Update on halo models and simulations of halo losses - Dora Erzsebet Veres  
14:40 Studies of collimation hierarchy breakage with non-linearities for HL - Ludovica Bertolozzi (EPFL - Ecole Polytechnique Federale Lausanne (CH))  
15:00 Shower studies for injection and extraction protection devices (TCDS and TCLIA) - Helene Guerin  
15:20 Result of damage experiment with radiation aged coils - Delphine Domange (Universite Libre de Bruxelles (BE))  
14:00
Tuesday PM - WP4 Cryomodule (until 16:00)
14:00 DQW & RFD cryomodules at CERN - Teddy Capelli (CERN)  
14:20 Cryogenics for crab cavities, design to realization - Krzysztof Brodzinski (CERN)  
14:40 DQW cryomodules at UK procedures, transport of CM2 - Edward Jordan (Unknown)  
15:00 Cryolines, instrumentation & Outgoing testing - Andy Blackett-May (STFC Daresbury Laboratory (GB))  
15:20 RFD cryomodules at TRIUMF - Oliver Law (TRIUMF)  
15:40 Technical Management experience & lessons learned - Matthew Williams Luke Kristian Bladen (STFC Daresbury Laboratory (GB))  
16:00 --- Coffee break ---
16:30
Steering Committee with AUP (WP4) (until 17:30)
16:30
Tuesday PM - MCF-WP3-WP7-WP12-WP16 (until 17:10)
16:30 QDS Integration/Controls in the IT String in Preparation for HL-LHC - Marc-Antoine Galilee (CERN)  
16:50 FRAS software status and protection layers - Brad Schofield (CERN)  
16:30
Tuesday PM - WP2/WP4/WP5/WP7/WP13/WP14 (until 17:20)
16:30 Update of the availability model for HL-LHC - Lukas Felsberger (CERN)  
16:45 Crab cavity failure case validation in the SPS - Christophe Lannoy (CERN)  
17:00 BLM HL-LHC layout and beam loss limits - Belen Maria Salvachua Ferrando (CERN)  
17:20
Tuesday PM - WP2 (until 18:40)
17:20 E-cloud updates from HI tests - Lotta Mether (CERN)  
17:40 Status of flat optics design and D2 coupling correction - Kyriacos Skoufaris (CERN)  
18:00 Dynamic Aperture of the baseline and alternative scenarios - Dr Max Topp-Mugglestone (CERN)  
18:20 Status of Dynamic Aperture with updated magnet errors - Andrea Fornara (CERN)  
17:30
Steering Committee with TRIUMF (WP4) (until 18:30)
19:00 --- Collaboration Board Dinner (restricted) ---
12:30 --- Lunch break ---
14:00
Steering Committee with INFN or AUP (WP3) (until 15:00)
14:00
Wednesday PM - WP2/WP4 (until 15:40)
14:00 SPS-RFD MDs & outlook - Rama Calaga (CERN)  
14:20 Beam-impedance induced heating during the high-intensity tests - Chiara Antuono (CERN)  
14:40 Operation / RF Multipoles with CCs in SPS - Ewen Hamish Maclean (CERN) Guido Sterbini (CERN)  
14:50 Longitudinal MDs in LHC 2026 and future outlook - Birk Emil Karlsen-Baeck (CERN)  
15:10 Longitudinal impedance, HL-LHC update - Michela Neroni  
15:30 Longitudinal Coupled bunch simulations for HL-LHC - Clara Charlotte Becker (Vienna University of Technology (AT))  
14:00
Wednesday PM - WP2/WP5/WP13 (until 15:20)
14:00 Halo monitoring - specifications and status - Federico Roncarolo (CERN)  
14:20 Crab cavity diagnostics status - Giusy Valeria Passarelli (University of London (GB))  
14:40 Modelling of Halo dynamics - Pascal Hermes (CERN)  
15:00 E-O pickup studies  
15:30 --- Coffee break ---
16:00
Close-out Session (until 16:30)
16:00 Close out