Name: 16th HL-LHC Collaboration Meeting, Royal Holloway (UK), 14-16 September 2026
Start: 2026-09-14T08:00:00+01:00
End: 2026-09-16T16:30:00+01:00
Location: Royal Holloway

Monday, September 14, 2026

8:00 AM Registration at Royal Holloway, for Collaboration Board members
Registration at Royal Holloway, for Collaboration Board members
8:00 AM - 9:00 AM
Room: Windsor Building

9:00 AM Collaboration Board (restricted)

9:00 AM - 11:30 AM
Room: Windsor 1-05

Registration at Royal Holloway, for Collaboration Meeting participants
Registration at Royal Holloway, for Collaboration Meeting participants
9:00 AM - 1:00 PM
Room: Windsor Building

11:30 AM Lunch break
Lunch break
11:30 AM - 1:00 PM
Room: Windsor Building
1:00 PM Plenary session 1 - Monday PM
1:00 PM - 3:30 PM
Room: Windsor Auditorium
Contributions

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
Coffee break
3:30 PM - 4:00 PM
Room: Windsor Building
4:00 PM Plenary session 2 - Monday PM
4:00 PM - 5:50 PM
Room: Windsor Auditorium
Contributions

4:00 PM IT String status, ROE form cooldown and operation - Marta Bajko (CERN)

4:20 PM WP4 status and CERN activities - Nuria Valverde Alonso (CERN) Teddy Capelli (CERN)

4:50 PM Status of UK DQW cryomodules production - Edward Stephen Jordan (STFC Daresbury Laboratory (GB))

5:10 PM Status of RFD crab cavity production and qualification - Manuele Narduzzi

5:30 PM Status of RFD cryomodules production at TRIUMF - Robert Laxdal
6:00 PM Welcome Reception
Welcome Reception
6:00 PM - 7:30 PM
Room: Picture Gallery

7:30 PM Collaboration Banquet
Collaboration Banquet
7:30 PM - 10:00 PM
Room: Founder's Dininig Room
Tuesday, September 15, 2026
8:30 AM Plenary session 3 - Tuesday AM
8:30 AM - 10:30 AM
Room: Windsor Auditorium
Contributions

8:30 AM Status of Cold Powering - Amalia Ballarino (CERN)

8:50 AM RHUL contribution to HL-LHC - Stephen Gibson (Royal Holloway, University of London)

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 - Paolo Fessia (CERN)

10:10 AM LS3 baseline schedule and equipment readiness, incoming activities - Giulia Papotti (CERN)
10:30 AM Coffee break
Coffee break
10:30 AM - 11:00 AM
Room: Windsor Building
11:00 AM Tuesday AM - WP2/WP3
11:00 AM - 12:45 PM
Room: Windsor Auditorium
Contributions

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)
Tuesday AM - WP4/AUP/TRIUMF
11:00 AM - 12:40 PM
Room: Windsor 0-02/03
Contributions

11:00 AM DQW cavity production & testing - Katarzyna Turaj (CERN) Nuria Valverde Alonso (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 RFD cavity testing at TRIUMF - Zhongyuan Yao (TRIUMF)
Tuesday AM - WP6A/WP15/WP3/Transport
11:00 AM - 12:40 PM
Room: Windsor 1-02/03
Contributions

11:00 AM Cold Powering Systems in the LS3 installation planning : constraints & challenges - Giulia Papotti (CERN) Laura Funder

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)
12:40 PM Lunch break
Lunch break
12:40 PM - 2:00 PM
Room: Windsor Building
2:00 PM Tuesday PM - MCF-WP3-WP7-WP12-WP16
2:00 PM - 4:00 PM
Room: Windsor Auditorium
Contributions

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)
Tuesday PM - WP2/WP4/WP5/WP7/WP13/WP14
2:00 PM - 4:00 PM
Room: Windsor 1-02/03
Contributions

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, TCDD and TCLIA) - Helene Guerin

3:20 PM Result of damage experiment with radiation aged coils - Delphine Domange (Universite Libre de Bruxelles (BE))
Tuesday PM - WP4 Cryomodule
2:00 PM - 4:00 PM
Room: Windsor 0-02/03
Contributions

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 & Survey improvements - Daniel John Skae

3:00 PM Cryolines, instrumentation & Outgoing testing - Andy Blackett-May (STFC Daresbury Laboratory (GB))

3:20 PM RFD cryomodules at TRIUMF - Zhongyuan Yao (TRIUMF)

3:40 PM Technical Management experience & lessons learned - Luke Kristian Bladen (STFC Daresbury Laboratory (GB)) Matthew Williams (STFC)
4:00 PM Coffee break
Coffee break
4:00 PM - 4:30 PM
Room: Windsor Building

4:30 PM Steering Committee with AUP (WP4)

4:30 PM - 5:30 PM
Room: Windsor 1-05
Tuesday PM - MCF-WP3-WP7-WP12-WP16
4:30 PM - 5:10 PM
Room: Windsor Auditorium
Contributions

4:30 PM Software controls and integration in the ITSTRING of the quench protection elements for HL-LHC - Marc-Antoine Galilee (CERN)

4:50 PM FRAS software status and protection layers - Brad Schofield (CERN)
Tuesday PM - WP2/WP4/WP5/WP7/WP13/WP14
4:30 PM - 5:20 PM
Room: Windsor 1-02/03
Contributions

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
5:20 PM - 6:40 PM
Room: Windsor 1-02/03
Contributions

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)

5:30 PM - 6:30 PM
Room: Windsor 1-05

7:00 PM Collaboration Board Dinner (restricted)
Collaboration Board Dinner (restricted)
7:00 PM - 10:00 PM
Room: Browns Brasserie
Wednesday, September 16, 2026
8:30 AM Wednesday AM - WP2/WP5
8:30 AM - 10:30 AM
Room: Windsor 1-02/03
Contributions

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)
Wednesday AM - WP3-WP6A-WP6B-WP16-WP19
8:30 AM - 10:30 AM
Room: Windsor Auditorium
Contributions

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 - Michele Martino (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 (CERN)

10:10 AM Performance during Powering of the Quench Detection System and Supervision System - Jens Steckert (CERN)
Wednesday AM - WP4 RF Powering
8:30 AM - 10:30 AM
Room: Windsor 0-02/03
Contributions

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 Procedures, documentation and Inventory status - Philipp Kolb

9:50 AM DQW cryomodules at UK RF testing strategy - Kavi Naresh Chauhan

10:10 AM Discussion
10:30 AM Coffee break
Coffee break
10:30 AM - 11:00 AM
Room: Windsor Building
11:00 AM Wednesday AM - WP2/WP5
11:00 AM - 11:40 AM
Room: Windsor 1-02/03
Contributions

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)
Wednesday AM - WP3
11:00 AM - 1:00 PM
Room: Windsor Auditorium
Contributions

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)
Wednesday AM - WP4 Flash talks
11:00 AM - 12:30 PM
Room: Windsor 0-02/03
Contributions

11:00 AM UK cleanroom QA & improvements - Susan Shirling

11:10 AM DQW OVC procurement challenges - Timothy Jonathan Mountford-Lister

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 Preparations for string assembly of TCM1

12:00 PM Series RFD HOM analysis - Subashini De Silva (Old Dominion University (US))

12:20 PM Mechanical calculations related to NCRs - Callum Michael Devlin
11:40 AM Wednesday AM - WP2/WP5/WP13
11:40 AM - 12:55 PM
Room: Windsor 1-02/03
Contributions

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)
12:30 PM Lunch break
Lunch break
12:30 PM - 2:00 PM
Room: Windsor Building

2:00 PM Steering Committee with INFN

2:00 PM - 3:00 PM
Room: Windsor 1-05
Wednesday PM - WP2/WP4
2:00 PM - 3:40 PM
Room: Windsor Auditorium
Contributions

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))
Wednesday PM - WP2/WP5/WP13
2:00 PM - 3:15 PM
Room: Windsor 1-02/03
Contributions

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
Coffee break
3:30 PM - 4:00 PM
Room: Windsor Building
4:00 PM Close-out Session
4:00 PM - 4:30 PM
Room: Windsor Auditorium
Contributions

4:00 PM Close out - Markus Zerlauth (CERN)