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15th HL-LHC Collaboration Meeting, CERN, 29 September - 2 October 2025

29 September 2025 to 3 October 2025
Europe/Rome timezone

Secretariat

Contribution List

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  1. 6. Registration at the Science Gateway
    29/09/2025, 08:00
  2. 1. Welcome
    Fabiola Gianotti (CERN)
    29/09/2025, 09:00
  3. 2. Welcome
    Mark Thomson (CERN)
    29/09/2025, 09:05
  4. 3. HL-LHC Project status
    Oliver Bruning (CERN)
    29/09/2025, 09:10
  5. 4. Status of US-AUP contribution
    Giorgio Apollinari (Fermi National Accelerator Lab. (US))
    29/09/2025, 09:40
  6. 5. Status of LQXFA cryostating and schedule to finish LQXFA10
    Sandor Feher (Fermi National Accelerator Lab. (US))
    29/09/2025, 10:00
  7. 7. Status of D1 and HPRF
    Tatsushi Nakamoto (KEK)
    29/09/2025, 10:50
  8. 9. MCBXF coil production and assembly
    Fernando Toral (CIEMAT - Centro de Investigaciones Energéticas Medioambientales y Tec. (ES))
    29/09/2025, 11:05
  9. 10. Status of D2 corrector magnets (MCBRD)
    Rui Kang (Institute of High Energy Physics, CAS)
    29/09/2025, 11:25
  10. 11. Status of WP3 Magnets for Insertion Regions (including MQXFB)
    Susana Izquierdo Bermudez (CERN)
    29/09/2025, 11:40
  11. 8. Status of D2
    Stefania Farinon (INFN e Universita Genova (IT))
    29/09/2025, 12:15
  12. 12. Status of WP4 crab cavities
    Ofelia Capatina (CERN)
    29/09/2025, 14:00
  13. 13. UK contribution: Status of DQW cryomodules
    Niklas John Templeton (STFC Daresbury Laboratory (GB)), Niklas Templeton
    29/09/2025, 14:30
  14. 14. RFD Crab Cavity contribution from the U.S. - Status, issues and delivery dates
    Manuele Narduzzi
    29/09/2025, 14:50
  15. 15. Canadian contribution: Status of RFD cryomodules
    Robert Laxdal
    29/09/2025, 15:10
    • progress on TC0
    • preparation for TCM1-4
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  16. 16. WP2 Accelerator Physics: Performance of the HL-LHC, from baseline to alternative options
    Rogelio Tomas Garcia (CERN)
    29/09/2025, 16:00
  17. 17. WP5 Collimation - Update on beam collimation performance at the HL-LHC
    Stefano Redaelli (CERN)
    29/09/2025, 16:20
  18. 18. WP16 IT String
    Marta Bajko (CERN)
    29/09/2025, 16:40

    IT String status, ROE from assembly, preparations for cooldown and operation, SVPM for IT String

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  19. 19. HL-LHC project: schedule considerations
    Paolo Fessia (CERN)
    29/09/2025, 17:10

    LS3 installation plans and equipment readiness, preparation of (de-)installation during LS3

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  20. 20. WP9 HL-LHC Cryogenics: status of production and installation
    Vanessa Gahier (CERN)
    30/09/2025, 11:30
  21. 21. WP6A Cold Powering
    Amalia Ballarino (CERN)
    30/09/2025, 11:50

    The presentation provides an update on the production and qualification of the Cold Powering Systems for the HL-LHC magnets. It also outlines the status of activities at the collaborators’ site, the progress of procurement, and the schedule for installing the eighth series of systems in the LHC underground during LS3.

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  22. 22. WP6B Warm Powering
    Michele Martino (CERN)
    30/09/2025, 12:20

    Preparations of WP6b equipment + SW for powering tests in the IT String + tunnel installation

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  23. 23. WP7 Machine Protection & Availability
    Daniel Wollmann (CERN)
    30/09/2025, 12:40
  24. 24. WP12 Vacuum & Beam Screen
    Vincent Baglin (CERN)
    30/09/2025, 14:30
  25. 25. WP8 Collider-Experiment Interface
    Francisco Sanchez Galan (CERN)
    30/09/2025, 14:50

    Status of interfaces with Experiments, TAXN/S production,VAXS box…

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  26. 26. WP10 Energy Deposition & R2E: Overview of energy deposition and radiation levels at the HL-LHC
    Giuseppe Lerner (CERN)
    30/09/2025, 15:05
  27. 27. WP13 Beam Instrumentation
    Raymond Veness (CERN)
    30/09/2025, 15:20

    Beam Instrumentation baseline for HL era and status of the UK contributions (BGI, Coronagraph, BGC on test stand, …)

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  28. 28. WP14 Beam Transfer & Kickers
    Chiara Bracco (CERN)
    30/09/2025, 15:40

    Design decisions for beam dumps, installation status of MKI cool, TCDS upgrade...

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  29. 29. WP17 Infrastructure, Logistics & Civil Engineering
    Henry De Maynard (CERN), Silvia Grau (CERN)
    30/09/2025, 16:30

    Status of tech. infra. Installation and cores drilling plan (YETS tests)

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  30. 30. WP18 Controls Technologies
    Javier Serrano (CERN)
    30/09/2025, 16:50

    Development for DIOT and return of experience from FRAS, WP7,…

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  31. 31. WP19 Alignment & Internal Metrology: FRAS at SCT and IT String – status of sensor & adjustment system qualification and software preparation
    Mateusz Sosin (CERN)
    30/09/2025, 17:10
  32. 51. EO BPM tests in the SPS
    Daniel Mark Harryman (University of London (GB))
    01/10/2025, 08:30
  33. 33. Quench detection and temperature gradient settings – From standalone test benches to IT String
    Franco Julio Mangiarotti (CERN)
    01/10/2025, 08:30
  34. 62. Reducing the dose to the VAX equipment
    Francesco Cerutti (CERN)
    01/10/2025, 08:30
  35. 40. RFD industrial production & challenges
    Manuele Narduzzi
    01/10/2025, 08:30
  36. 70. Run3 observations as input for Run4 commissioning
    Daniele Mirarchi (CERN)
    01/10/2025, 08:30
  37. 41. DQW industrial production challenges
    Nuria Valverde Alonso (CERN)
    01/10/2025, 08:50
  38. 71. Enhancing luminosity with beam-beam beta-beating and LHC experience
    Joanna Wanczyk
    01/10/2025, 08:50
  39. 52. EO modulator read-out at LHC for HT monitoring
    Andreas Schloegelhofer
    01/10/2025, 08:50
  40. 34. Quench Detection System for HL-LHC - Progress and first experience from the IT String IST
    Jens Steckert (CERN)
    01/10/2025, 08:50
  41. 63. Mock-up and Q1-TAXS, VAX, GIS line integration
    Oliver Boettcher (CERN)
    01/10/2025, 09:00
  42. 53. BSRT: overview and strategy
    Federico Roncarolo (CERN)
    01/10/2025, 09:10
  43. 42. RFD pre-series and series cavity testing
    Subashini De Silva (Old Dominion University (US))
    01/10/2025, 09:10
  44. 72. The challenge of low beta*
    Ewen Hamish Maclean (CERN)
    01/10/2025, 09:10
  45. 35. UQDS functional testing prior to installation
    Magnus Christensen
    01/10/2025, 09:10
  46. 54. BGI: plans for the HL baseline
    James Storey (CERN)
    01/10/2025, 09:30
  47. 43. DQW series cavity testing
    Katarzyna Turaj (CERN)
    01/10/2025, 09:30
  48. 87. From String to Operation: string controls for operational cycle tests
    Michi Hostettler (CERN)
    01/10/2025, 09:30
  49. 64. TAXS & VAXBOX production & installation
    Antonio Alonso (CERN)
    01/10/2025, 09:30
  50. 73. Using the IT corrector package for long range beam-beam mitigation
    Sasha Jade Horney (University of Oxford (GB))
    01/10/2025, 09:30
  51. 55. BGI: DAQ and expected performance
    Hampus Sandberg (CERN)
    01/10/2025, 09:50
  52. 37. Current lead heater system for the DFHX current leads - Experience from the IT String IST
    Giorgio D'Angelo (CERN)
    01/10/2025, 09:50
  53. 44. Dressed cavity testing experience at TRIUMF and outlook
    Zhongyuan Yao (TRIUMF), Zhongyuan Yao (TRIUMF)
    01/10/2025, 09:50
  54. 74. Transverse impedance updates
    Chiara Antuono
    01/10/2025, 09:50
  55. 65. Q1-TAXS, VAX, GIS line, forward chamber production
    Jaime Perez Espinos (CERN)
    01/10/2025, 10:00
  56. 56. BGC: LHC tests and status
    Daniele Butti
    01/10/2025, 10:10
  57. 45. Discussion
    01/10/2025, 10:10
  58. 38. EDAQ - Implementation in the IT String and first experience
    Tomasz Podzorny (CERN)
    01/10/2025, 10:10
  59. 75. Latest plans for the high-intensity tests
    Matteo Solfaroli Camillocci (CERN)
    01/10/2025, 10:10
  60. 39. Controls integration of the new protection systems for HL-LHC
    Marc-Antoine Galilee (CERN)
    01/10/2025, 10:30
  61. 57. BGC for electron beam
    Hao Zhang (University of Liverpool/Cockcroft Institute)
    01/10/2025, 11:00
  62. 76. DA and luminosity for round and flat optics
    Sofia Kostoglou (CERN)
    01/10/2025, 11:00
  63. 66. Remote manipulation of VAX modules
    Sergio Di Giovannantonio (CERN)
    01/10/2025, 11:00
  64. 46. RFD horizontal HOM couplers: Fabrication and outlook
    Naeem Abdul Huque, Naeem Huque
    01/10/2025, 11:00
  65. 161. Leak detection on the IT String
    Jose Antonio Ferreira Somoza (CERN)
    01/10/2025, 11:10
  66. 47. CERN RFD cavity fabrication & HOM status
    Simon Barrière (CERN)
    01/10/2025, 11:20
  67. 77. Feedback from high-intensity tests on the new IR7 optics
    Ludovica Bertolozzi (Politecnico di Milano (IT)), Bjorn Hans Filip Lindstrom (University of London (GB))
    01/10/2025, 11:20
  68. 58. Status of the BLM IC production
    Gerhard Schneider (CERN)
    01/10/2025, 11:20
  69. 67. TAXS & VAX survey and alignment – Current status and updates
    Solomon William Kamugasa (CERN)
    01/10/2025, 11:20
  70. 162. N line pulling- root cause of the NC and the IT String and repair options
    Lucie Baudin (CERN)
    01/10/2025, 11:30
  71. 49. RF power for crab cavities and challenges
    Gino Cipolla (CERN)
    01/10/2025, 11:35
  72. 59. BLM system – production, and installation plans
    Christos Zamantzas (CERN)
    01/10/2025, 11:40
  73. 68. Q1-TAXS, VAX, GIS line, forward chamber installation, WDP and planning
    Josef Sestak (CERN)
    01/10/2025, 11:40
  74. 78. Updates on the CLIQ & CC failure case studies
    Christophe Lannoy (CERN)
    01/10/2025, 11:40
  75. 50. LLRF status and update
    Gregoire Hagmann (CERN)
    01/10/2025, 11:50
  76. 82. Specification of the HL-LHC BB - SVP after repair
    Samer Yammine (CERN)
    01/10/2025, 11:50
  77. 69. ATLAS and CMS opening, closing and YETS scenario
    Alessio Galloro (CERN)
    01/10/2025, 12:00
  78. 60. BPM acquisition chain – overview and status
    Irene Degl'Innocenti (CERN)
    01/10/2025, 12:00
  79. 79. Halo models and options for active depletion
    Milica Rakic (EPFL - Ecole Polytechnique Federale Lausanne (CH))
    01/10/2025, 12:00
  80. 160. RF slows controls, interlocks & software (architecture, status, planning)
    Michael Jaussi (CERN)
    01/10/2025, 12:00
  81. 85. FRAS for measurements and for diagnostics
    Vincent Thomas Barbarroux (CERN)
    01/10/2025, 12:10
  82. 80. Halo population in HL-LHC: Status and open questions
    Pascal Hermes (CERN)
    01/10/2025, 12:15
  83. 48. High efficiency klystrons for LHC-RF status and outlook
    Chiara Marrelli (CERN)
    01/10/2025, 12:15
  84. 61. Warm BPMs design status and production plans
    Loann Havart (Universite de Technologie de Belfort Montbeliard (FR))
    01/10/2025, 12:15
  85. 81. Halo monitoring - status and expected performance
    Jan Pucek (SY-BI-PM)
    01/10/2025, 12:30
  86. 163. IT String NC: Impact on the HL-LHC BB design
    Susana Izquierdo Bermudez (CERN)
    01/10/2025, 12:30
  87. 95. CM lessons learned SPS and CERN series
    Teddy Capelli (CERN)
    01/10/2025, 14:00
  88. 106. Optics baseline status and status of the LHC arc errors
    Yannis Angelis (Aristotle University of Thessaloniki (GR))
    01/10/2025, 14:00
  89. 88. Overview on WP3 cold powering test
    Gerard Willering (CERN)
    01/10/2025, 14:00
  90. 96. Alignment
    Vivien Rude (CERN)
    01/10/2025, 14:20
  91. 107. Beam energy discrepancy: What can the optics mismatch reveal?
    Joshua Mark Gray (Nikhef National institute for subatomic physics (NL))
    01/10/2025, 14:20
  92. 89. WP3 vertical testing
    Vincenzo Di Capua (CERN)
    01/10/2025, 14:20
  93. 97. Vacuum
    Giuseppe Bregliozzi (CERN)
    01/10/2025, 14:30
  94. 108. Coupled-bunch instability modeling
    Xavier Buffat (CERN)
    01/10/2025, 14:40
  95. 98. Cryogenics for crab cavities, design to realization
    Krzysztof Brodzinski (CERN)
    01/10/2025, 14:40
  96. 90. MQXFA vertical test at BNL
    Piyush Joshi
    01/10/2025, 14:40
  97. 99. CRAB Mechanical measurements overview and next steps
    Michael Guinchard (CERN)
    01/10/2025, 15:00
  98. 91. Q1/Q3 tests at FNAL
    Guram Chlachidze
    01/10/2025, 15:00
  99. 109. Run 5 optics challenges
    Kyriacos Skoufaris (CERN)
    01/10/2025, 15:00
  100. 92. Q1/Q2/Q3 test at CERN
    Franco Julio Mangiarotti (CERN)
    01/10/2025, 15:20
  101. 100. UK cryomodules build qualification and alignment strategy
    Edward Jordan (Unknown), Mr Edward Stephen Jordan (STFC Daresbury Laboratory (GB))
    01/10/2025, 15:20
  102. 101. First North American OVC and lessons learned
    Oliver Law (TRIUMF)
    01/10/2025, 15:40
  103. 93. MQXFB coils and magnets
    Susana Izquierdo Bermudez (CERN)
    01/10/2025, 16:10
  104. 94. MQXFA coils and magnets
    Giorgio Ambrosio (Fermilab)
    01/10/2025, 16:30
  105. 110. Summary of EPC measurements
    Guido Sterbini (CERN)
    01/10/2025, 16:30
  106. 102. UK cryoline manufacture inspection, test experience and lessons learned
    Carlos Manuel Guerra Granjeiro (STFC Daresbury Laboratory (GB))
    01/10/2025, 16:30
  107. 157. AUP cold mass and cryoassemblies
    Alfred Nobrega (Fermi National Accelerator Lab. (US))
    01/10/2025, 16:50
  108. 112. DA distributed-computing simulations via BOINC and ML modelling
    Carlo Emilio Montanari (The University of Manchester (GB))
    01/10/2025, 16:50
  109. 103. UK Quality management and continous improvement updates
    Carlos Manuel Guerra Granjeiro (STFC Daresbury Laboratory (GB))
    01/10/2025, 16:50
  110. 113. Mitigation strategies tested: what can be done at HL-LHC?
    Bjorn Hans Filip Lindstrom (University of London (GB))
    01/10/2025, 17:10
  111. 104. RFD cryomodules production readiness and open issues
    Robert Laxdal
    01/10/2025, 17:10
  112. 114. Background simulations for FASER and SND in Run 4
    Alexandra Serban
    01/10/2025, 17:30
  113. 105. Discussion
    01/10/2025, 17:30
  114. 128. Cold mass at CERN
    Herve Prin (CERN)
    02/10/2025, 08:30
  115. 115. Electron cloud observations and impact for HL-LHC
    Lotta Mether (CERN)
    02/10/2025, 08:30
  116. 116. InterTrain cleaning / Losses at adjust
    Xavier Buffat (CERN)
    02/10/2025, 08:50
  117. 129. Cryostating at CERN
    Delio Ramos (CERN)
    02/10/2025, 09:00
  118. 117. LHC RF power studies, MDs and outlook
    Helga Timko (CERN)
    02/10/2025, 09:10
  119. 130. Cryo-BPMs: production progress
    Emma Elizabeth Quinn
    02/10/2025, 09:30
  120. 118. HL-LHC longitudinal beam stability for updated impedance model
    Ivan Karpov (CERN)
    02/10/2025, 09:30
  121. 119. Feedback from Run 3 on collimation losses: Impact of optics errors and beam–beam effects
    Frederik Van Der Veken (CERN)
    02/10/2025, 09:50
  122. 131. Update on the HL-LHC beam screen production and integration
    Cedric Garion (CERN)
    02/10/2025, 10:00
  123. 120. High-intensity MD results and impact on luminosity
    Sofia Kostoglou (CERN)
    02/10/2025, 10:10
  124. 134. Damage experiment with radiation aged coils
    Delphine Domange (Universite Libre de Bruxelles (BE))
    02/10/2025, 11:00
  125. 121. SPS crab cavity MDs with RF dipole cryomodule
    Rama Calaga (CERN)
    02/10/2025, 11:00
  126. 127. First crabbing observation via head-on beam-beam interaction
    Andrea Fornara
    02/10/2025, 11:15
  127. 135. Energy deposition studies for the HL-LHC beam dump
    Helene Guerin
    02/10/2025, 11:20
  128. 122. HOM measurements from series cavities and RF lines
    Amelia Veronica Edwards (Lancaster University)
    02/10/2025, 11:25
  129. 123. Crab cavity impedance: SPS MDs and HOMs
    Chiara Antuono
    02/10/2025, 11:40
  130. 136. Towards the final HL-LHC beam dump design
    Asbjoern Lund
    02/10/2025, 11:40
  131. 124. Is crab cavity noise feedback feasible?
    Daniel Valuch (CERN)
    02/10/2025, 11:55
  132. 137. Simulations of ring losses for fast failures
    Andre Donadon Servelle (CERN)
    02/10/2025, 12:00
  133. 132. Updates on D1 field quality
    Tatsushi Nakamoto (KEK)
    02/10/2025, 12:00
  134. 125. Crabbing measurement resolution achieved in SPS
    Wolfgang Hofle (CERN)
    02/10/2025, 12:05
  135. 126. HL-LHC Crab Cavity BPMs status and outlook
    Michal Krupa (CERN)
    02/10/2025, 12:15
  136. 133. Results of sorting studies of the last four Q2 magnets
    Andrea Fornara (CERN)
    02/10/2025, 12:15
  137. 158. Evaluation of thermal contact conductance in HL-LHC collimator jaws: Experimental tests and multiphysics simulations
    Luisa Puddu (CERN)
    02/10/2025, 12:20
  138. 159. Vibrational simulations and experimental measurements on HL-LHC collimator jaws
    Laura Helene Hannemann (CERN)
    02/10/2025, 12:35
  139. 138. FE experience with DQW
    Sara Domingo Gomez
    02/10/2025, 14:00
  140. 148. Q2 integrated field and field quality
    Lucio Fiscarelli (CERN)
    02/10/2025, 14:00
  141. 153. Status of the HL-UK collimation activities and prospect for 2026-2028
    Robert Barrie Appleby (University of Manchester (GB))
    02/10/2025, 14:00
  142. 139. HOM measurements on RFD cavities
    Subashini De Silva (Old Dominion University (US)), Alex Castilla (Lancaster University (GB))
    02/10/2025, 14:10
  143. 140. Experience with HOM cleanroom assembly
    Marco Chiodini (CERN)
    02/10/2025, 14:20
  144. 154. News on BDSIM implementations
    Bjorn Hans Filip Lindstrom (University of London (GB))
    02/10/2025, 14:20
  145. 149. Q1/Q3 integrated field and field quality
    GianLuca Sabbi (LBNL), Joseph DiMarco
    02/10/2025, 14:20
  146. 141. HPR experience at JLab/Zanon & issues encountered
    Subashini De Silva (Old Dominion University (US)), Alex Castilla (Lancaster University (GB))
    02/10/2025, 14:30
  147. 150. Magnetic axis on IT magnets
    Mariano Pentella (CERN)
    02/10/2025, 14:40
  148. 142. Materials quality control during manufacturing: cases studies
    Claudia Tatiana Santos Maldonado
    02/10/2025, 14:40
  149. 155. Simulating machine impact on forward backgrounds with BDSIM
    Alex Keyken (Royal Holloway, University of London (GB))
    02/10/2025, 14:40
  150. 143. Series cavity compliance w.r.t specification's drawings
    Raphael Leuxe (CERN)
    02/10/2025, 14:50
  151. 144. CERN cryomodule/components manufacturing
    Alex Verduyn
    02/10/2025, 15:00
  152. 156. DA simulations and long-term extrapolations
    David Christie (The University of Manchester (GB))
    02/10/2025, 15:00
  153. 151. Geometric axis on IT magnets
    Vivien Rude (CERN)
    02/10/2025, 15:00
  154. 145. CERN welded component production for collaborations
    Myriam Elena Benahmed
    02/10/2025, 15:10
  155. 152. Impact of alignment measurements
    Riccardo De Maria (CERN)
    02/10/2025, 15:20
  156. 146. Mechanical and thermo-mechanical simulations
    Eduardo Cano Pleite, Joanna Sylwia Swieszek
    02/10/2025, 15:20
  157. 147. Cryomodule assembly procedures
    Julien Dequaire
    02/10/2025, 15:30
  158. 164. Close-out
    Markus Zerlauth (CERN)
    02/10/2025, 16:10