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

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)

Monday, 14 September 2026

08:00 Registration at Royal Holloway, for Collaboration Board members
Registration at Royal Holloway, for Collaboration Board members
08:00 - 09:00
Room: Windsor Building

09:00 Collaboration Board (restricted)

09:00 - 11:30
Room: Windsor 1-05

Registration at Royal Holloway, for Collaboration Meeting participants
Registration at Royal Holloway, for Collaboration Meeting participants
09:00 - 13:00
Room: Windsor Building

11:30 Lunch break
Lunch break
11:30 - 13:00
Room: Windsor Building
13:00 Plenary session 1 - Monday PM
13:00 - 15:30
Room: Windsor Auditorium
Contributions

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
Coffee break
15:30 - 16:00
Room: Windsor Building
16:00 Plenary session 2 - Monday PM
16:00 - 17:50
Room: Windsor Auditorium
Contributions

16:00 IT String status, ROE form cooldown and operation - Marta Bajko (CERN)

16:20 WP4 status and CERN activities - Nuria Valverde Alonso (CERN) Teddy Capelli (CERN)

16:50 Status of UK DQW cryomodules production - Edward Stephen Jordan (STFC Daresbury Laboratory (GB))

17:10 Status of RFD crab cavity production and qualification - Manuele Narduzzi

17:30 Status of RFD cryomodules production at TRIUMF - Robert Laxdal
18:00 Welcome Reception
Welcome Reception
18:00 - 19:30
Room: Picture Gallery

19:30 Collaboration Banquet
Collaboration Banquet
19:30 - 22:00
Room: Founder's Dininig Room
Tuesday, 15 September 2026
08:30 Plenary session 3 - Tuesday AM
08:30 - 10:30
Room: Windsor Auditorium
Contributions

08:30 Status of Cold Powering - Amalia Ballarino (CERN)

08:50 RHUL contribution to HL-LHC

09:10 Status of Beam Instrumentation - Raymond Veness (CERN)

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 - Paolo Fessia (CERN)

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

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 strategies based on transfer function and field quality of the new superconducting magnets in the HL-LHC - 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 - Vivien Rude (CERN)
Tuesday AM - WP4/AUP/TRIUMF
11:00 - 12:40
Room: Windsor 0-02/03
Contributions

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

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

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)
12:40 Lunch break
Lunch break
12:40 - 14:00
Room: Windsor Building
14:00 Tuesday PM - MCF-WP3-WP7-WP12-WP16
14:00 - 16:00
Room: Windsor Auditorium
Contributions

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 and DQHDS systems 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)
Tuesday PM - WP2/WP4/WP5/WP7/WP13/WP14
14:00 - 16:00
Room: Windsor 1-02/03
Contributions

14:00 HL baseline and validation status - Nicolas Mounet (CERN)

14:20 Updates on HL-LHC beam halo and simulated beam 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))
Tuesday PM - WP4 Cryomodule
14:00 - 16:00
Room: Windsor 0-02/03
Contributions

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 Stephen Jordan (STFC Daresbury Laboratory (GB))

15:00 Cryolines, instrumentation & Outgoing testing - Andy Blackett-May (STFC Daresbury Laboratory (GB))

15:20 RFD cryomodules at TRIUMF - Zhongyuan Yao (TRIUMF)

15:40 Technical Management experience & lessons learned - Luke Kristian Bladen (STFC Daresbury Laboratory (GB)) Matthew Williams (STFC)
16:00 Coffee break
Coffee break
16:00 - 16:30
Room: Windsor Building

16:30 Steering Committee with AUP (WP4)

16:30 - 17:30
Room: Windsor 1-05
Tuesday PM - MCF-WP3-WP7-WP12-WP16
16:30 - 17:10
Room: Windsor Auditorium
Contributions

16:30 Software controls and integration in the ITSTRING of the quench protection elements for HL-LHC - Marc-Antoine Galilee (CERN)

16:50 FRAS software status and protection layers - Brad Schofield (CERN)
Tuesday PM - WP2/WP4/WP5/WP7/WP13/WP14
16:30 - 17:20
Room: Windsor 1-02/03
Contributions

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
17:20 - 18:40
Room: Windsor 1-02/03
Contributions

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 - Max Topp-Mugglestone (CERN)

18:20 Status of Dynamic Aperture with updated magnet errors - Andrea Fornara (CERN)
17:30 Steering Committee with TRIUMF (WP4)

17:30 - 18:30
Room: Windsor 1-05

19:00 Collaboration Board Dinner (restricted)
Collaboration Board Dinner (restricted)
19:00 - 22:00
Room: Browns Brasserie
Wednesday, 16 September 2026
08:30 Wednesday AM - WP2/WP5
08:30 - 10:30
Room: Windsor 1-02/03
Contributions

08:30 High-intensity tests - Sofia Kostoglou (CERN)

08:50 Progress on HL collimator impedance and MDs - Julian Sonpar (Goethe University Frankfurt (DE))

09:10 New optics baseline and IR7 status - Riccardo De Maria (CERN)

09:30 Sensitivity of beam cleaning to missing collimators due to bellows failure - 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)
Wednesday AM - WP3-WP6A-WP6B-WP16-WP19
08:30 - 10:30
Room: Windsor Auditorium
Contributions

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 (CERN) Christian Barth (KIT - Karlsruhe Institute of Technology (DE))

10:10 Performance during Powering of the Quench Detection System and Supervision System - Jens Steckert (CERN)
Wednesday AM - WP4 RF Powering
08:30 - 10:30
Room: Windsor 0-02/03
Contributions

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 Procedures, documentation and Inventory status - Philipp Kolb

09:50 DQW cryomodules at UK RF testing strategy - Edward Stephen Jordan (STFC Daresbury Laboratory (GB))

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

11:00 Review of the production and quality assessment of collimators and masks for HL-LHC - Emil Kaijanen

11:20 Status of experimental tests for the transverse stability of the beams - Xavier Buffat (CERN)
Wednesday AM - WP3
11:00 - 13:00
Room: Windsor Auditorium
Contributions

11:00 Cold masses at CERN - Herve Prin (CERN)

11:20 Cryostating at CERN - Delio Ramos (CERN)

11:40 Overview of WP3 power tests, with focus on tests at CERN - 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)
Wednesday AM - WP4 Flash talks
11:00 - 12:30
Room: Windsor 0-02/03
Contributions

11:00 UK cleanroom QA & improvements - Susan Shirling

11:10 DQW Survey + Alignment improvements CM#2 - Edward Stephen Jordan (STFC Daresbury Laboratory (GB))

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 Preparations for string assembly of TCM1 - Devon Lang

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

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

11:40 Expected performance of the BPM system - Michal Krupa (CERN)

12:05 Crab cavity diagnostics status - Giusy Valeria Passarelli (University of London (GB))

12:30 BGC as a hollow electron beam diagnostic - Milaan Patel (University of Liverpool)
12:30 Lunch break
Lunch break
12:30 - 14:00
Room: Windsor Building

14:00 Steering Committee with INFN

14:00 - 15:00
Room: Windsor 1-05
Wednesday PM - WP2/WP4
14:00 - 15:40
Room: Windsor Auditorium
Contributions

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))
Wednesday PM - WP2/WP5/WP13
14:00 - 15:15
Room: Windsor 1-02/03
Contributions

14:00 Halo monitoring - specifications and status - Federico Roncarolo (CERN)

14:25 Modelling of transverse halo dynamics - Pascal Hermes (CERN)

14:50 Emittance measurements for HL-LHC with the BGI - James Storey (CERN)
15:30 Coffee break
Coffee break
15:30 - 16:00
Room: Windsor Building
16:00 Close-out Session
16:00 - 16:30
Room: Windsor Auditorium
Contributions

16:00 Close out - Markus Zerlauth (CERN)