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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

158 / 158
6. Registration at the Science Gateway
29/09/2025, 08:00
1. Welcome
Fabiola Gianotti (CERN)
29/09/2025, 09:00
2. Welcome
Mark Thomson (CERN)
29/09/2025, 09:05
3. HL-LHC Project status
Oliver Bruning (CERN)
29/09/2025, 09:10
4. Status of US-AUP contribution
Giorgio Apollinari (Fermi National Accelerator Lab. (US))
29/09/2025, 09:40
5. Status of LQXFA cryostating and schedule to finish LQXFA10
Sandor Feher (Fermi National Accelerator Lab. (US))
29/09/2025, 10:00
7. Status of D1 and HPRF
Tatsushi Nakamoto (KEK)
29/09/2025, 10:50
9. MCBXF coil production and assembly
Fernando Toral (CIEMAT - Centro de Investigaciones Energéticas Medioambientales y Tec. (ES))
29/09/2025, 11:05
10. Status of D2 corrector magnets (MCBRD)
Rui Kang (Institute of High Energy Physics, CAS)
29/09/2025, 11:25
11. Status of WP3 Magnets for Insertion Regions (including MQXFB)
Susana Izquierdo Bermudez (CERN)
29/09/2025, 11:40
8. Status of D2
Stefania Farinon (INFN e Universita Genova (IT))
29/09/2025, 12:15
12. Status of WP4 crab cavities
Ofelia Capatina (CERN)
29/09/2025, 14:00
13. UK contribution: Status of DQW cryomodules
Niklas John Templeton (STFC Daresbury Laboratory (GB)), Niklas Templeton
29/09/2025, 14:30
14. RFD Crab Cavity contribution from the U.S. - Status, issues and delivery dates
Manuele Narduzzi
29/09/2025, 14:50
15. Canadian contribution: Status of RFD cryomodules
Robert Laxdal
29/09/2025, 15:10
  • progress on TC0
  • preparation for TCM1-4
16. WP2 Accelerator Physics: Performance of the HL-LHC, from baseline to alternative options
Rogelio Tomas Garcia (CERN)
29/09/2025, 16:00
17. WP5 Collimation - Update on beam collimation performance at the HL-LHC
Stefano Redaelli (CERN)
29/09/2025, 16:20
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
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
20. WP9 HL-LHC Cryogenics: status of production and installation
Vanessa Gahier (CERN)
30/09/2025, 11:30
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.
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
23. WP7 Machine Protection & Availability
Daniel Wollmann (CERN)
30/09/2025, 12:40
24. WP12 Vacuum & Beam Screen
Vincent Baglin (CERN)
30/09/2025, 14:30
25. WP8 Collider-Experiment Interface
Francisco Sanchez Galan (CERN)
30/09/2025, 14:50

Status of interfaces with Experiments, TAXN/S production,VAXS box…
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. 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, …)
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...
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)
30. WP18 Controls Technologies
Javier Serrano (CERN)
30/09/2025, 16:50

Development for DIOT and return of experience from FRAS, WP7,…
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
51. EO BPM tests in the SPS
Daniel Mark Harryman (University of London (GB))
01/10/2025, 08:30
33. Quench detection and temperature gradient settings – From standalone test benches to IT String
Franco Julio Mangiarotti (CERN)
01/10/2025, 08:30
62. Reducing the dose to the VAX equipment
Francesco Cerutti (CERN)
01/10/2025, 08:30
40. RFD industrial production & challenges
Manuele Narduzzi
01/10/2025, 08:30
70. Run3 observations as input for Run4 commissioning
Daniele Mirarchi (CERN)
01/10/2025, 08:30
41. DQW industrial production challenges
Nuria Valverde Alonso (CERN)
01/10/2025, 08:50
71. Enhancing luminosity with beam-beam beta-beating and LHC experience
Joanna Wanczyk
01/10/2025, 08:50
52. EO modulator read-out at LHC for HT monitoring
Andreas Schloegelhofer
01/10/2025, 08:50
34. Quench Detection System for HL-LHC - Progress and first experience from the IT String IST
Jens Steckert (CERN)
01/10/2025, 08:50
63. Mock-up and Q1-TAXS, VAX, GIS line integration
Oliver Boettcher (CERN)
01/10/2025, 09:00
53. BSRT: overview and strategy
Federico Roncarolo (CERN)
01/10/2025, 09:10
42. RFD pre-series and series cavity testing
Subashini De Silva (Old Dominion University (US))
01/10/2025, 09:10
72. The challenge of low beta*
Ewen Hamish Maclean (CERN)
01/10/2025, 09:10
35. UQDS functional testing prior to installation
Magnus Christensen
01/10/2025, 09:10
54. BGI: plans for the HL baseline
James Storey (CERN)
01/10/2025, 09:30
43. DQW series cavity testing
Katarzyna Turaj (CERN)
01/10/2025, 09:30
87. From String to Operation: string controls for operational cycle tests
Michi Hostettler (CERN)
01/10/2025, 09:30
64. TAXS & VAXBOX production & installation
Antonio Alonso (CERN)
01/10/2025, 09:30
73. Using the IT corrector package for long range beam-beam mitigation
Sasha Jade Horney (University of Oxford (GB))
01/10/2025, 09:30
55. BGI: DAQ and expected performance
Hampus Sandberg (CERN)
01/10/2025, 09:50
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
44. Dressed cavity testing experience at TRIUMF and outlook
Zhongyuan Yao (TRIUMF), Zhongyuan Yao (TRIUMF)
01/10/2025, 09:50
74. Transverse impedance updates
Chiara Antuono
01/10/2025, 09:50
65. Q1-TAXS, VAX, GIS line, forward chamber production
Jaime Perez Espinos (CERN)
01/10/2025, 10:00
56. BGC: LHC tests and status
Daniele Butti
01/10/2025, 10:10
45. Discussion
01/10/2025, 10:10
38. EDAQ - Implementation in the IT String and first experience
Tomasz Podzorny (CERN)
01/10/2025, 10:10
75. Latest plans for the high-intensity tests
Matteo Solfaroli Camillocci (CERN)
01/10/2025, 10:10
39. Controls integration of the new protection systems for HL-LHC
Marc-Antoine Galilee (CERN)
01/10/2025, 10:30
57. BGC for electron beam
Hao Zhang (University of Liverpool/Cockcroft Institute)
01/10/2025, 11:00
76. DA and luminosity for round and flat optics
Sofia Kostoglou (CERN)
01/10/2025, 11:00
66. Remote manipulation of VAX modules
Sergio Di Giovannantonio (CERN)
01/10/2025, 11:00
46. RFD horizontal HOM couplers: Fabrication and outlook
Naeem Abdul Huque, Naeem Huque
01/10/2025, 11:00
161. Leak detection on the IT String
Jose Antonio Ferreira Somoza (CERN)
01/10/2025, 11:10
47. CERN RFD cavity fabrication & HOM status
Simon Barrière (CERN)
01/10/2025, 11:20
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
58. Status of the BLM IC production
Gerhard Schneider (CERN)
01/10/2025, 11:20
67. TAXS & VAX survey and alignment – Current status and updates
Solomon William Kamugasa (CERN)
01/10/2025, 11:20
162. N line pulling- root cause of the NC and the IT String and repair options
Lucie Baudin (CERN)
01/10/2025, 11:30
49. RF power for crab cavities and challenges
Gino Cipolla (CERN)
01/10/2025, 11:35
59. BLM system – production, and installation plans
Christos Zamantzas (CERN)
01/10/2025, 11:40
68. Q1-TAXS, VAX, GIS line, forward chamber installation, WDP and planning
Josef Sestak (CERN)
01/10/2025, 11:40
78. Updates on the CLIQ & CC failure case studies
Christophe Lannoy (CERN)
01/10/2025, 11:40
50. LLRF status and update
Gregoire Hagmann (CERN)
01/10/2025, 11:50
82. Specification of the HL-LHC BB - SVP after repair
Samer Yammine (CERN)
01/10/2025, 11:50
69. ATLAS and CMS opening, closing and YETS scenario
Alessio Galloro (CERN)
01/10/2025, 12:00
60. BPM acquisition chain – overview and status
Irene Degl'Innocenti (CERN)
01/10/2025, 12:00
79. Halo models and options for active depletion
Milica Rakic (EPFL - Ecole Polytechnique Federale Lausanne (CH))
01/10/2025, 12:00
160. RF slows controls, interlocks & software (architecture, status, planning)
Michael Jaussi (CERN)
01/10/2025, 12:00
85. FRAS for measurements and for diagnostics
Vincent Thomas Barbarroux (CERN)
01/10/2025, 12:10
80. Halo population in HL-LHC: Status and open questions
Pascal Hermes (CERN)
01/10/2025, 12:15
48. High efficiency klystrons for LHC-RF status and outlook
Chiara Marrelli (CERN)
01/10/2025, 12:15
61. Warm BPMs design status and production plans
Loann Havart (Universite de Technologie de Belfort Montbeliard (FR))
01/10/2025, 12:15
81. Halo monitoring - status and expected performance
Jan Pucek (SY-BI-PM)
01/10/2025, 12:30
163. IT String NC: Impact on the HL-LHC BB design
Susana Izquierdo Bermudez (CERN)
01/10/2025, 12:30
95. CM lessons learned SPS and CERN series
Teddy Capelli (CERN)
01/10/2025, 14:00
106. Optics baseline status and status of the LHC arc errors
Yannis Angelis (Aristotle University of Thessaloniki (GR))
01/10/2025, 14:00
88. Overview on WP3 cold powering test
Gerard Willering (CERN)
01/10/2025, 14:00
96. Alignment
Vivien Rude (CERN)
01/10/2025, 14:20
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
89. WP3 vertical testing
Vincenzo Di Capua (CERN)
01/10/2025, 14:20
97. Vacuum
Giuseppe Bregliozzi (CERN)
01/10/2025, 14:30
108. Coupled-bunch instability modeling
Xavier Buffat (CERN)
01/10/2025, 14:40
98. Cryogenics for crab cavities, design to realization
Krzysztof Brodzinski (CERN)
01/10/2025, 14:40
90. MQXFA vertical test at BNL
Piyush Joshi
01/10/2025, 14:40
99. CRAB Mechanical measurements overview and next steps
Michael Guinchard (CERN)
01/10/2025, 15:00
91. Q1/Q3 tests at FNAL
Guram Chlachidze
01/10/2025, 15:00
109. Run 5 optics challenges
Kyriacos Skoufaris (CERN)
01/10/2025, 15:00
92. Q1/Q2/Q3 test at CERN
Franco Julio Mangiarotti (CERN)
01/10/2025, 15:20
100. UK cryomodules build qualification and alignment strategy
Edward Jordan (Unknown), Mr Edward Stephen Jordan (STFC Daresbury Laboratory (GB))
01/10/2025, 15:20
101. First North American OVC and lessons learned
Oliver Law (TRIUMF)
01/10/2025, 15:40
93. MQXFB coils and magnets
Susana Izquierdo Bermudez (CERN)
01/10/2025, 16:10
94. MQXFA coils and magnets
Giorgio Ambrosio (Fermilab)
01/10/2025, 16:30
110. Summary of EPC measurements
Guido Sterbini (CERN)
01/10/2025, 16:30
102. UK cryoline manufacture inspection, test experience and lessons learned
Carlos Manuel Guerra Granjeiro (STFC Daresbury Laboratory (GB))
01/10/2025, 16:30
157. AUP cold mass and cryoassemblies
Alfred Nobrega (Fermi National Accelerator Lab. (US))
01/10/2025, 16:50
112. DA distributed-computing simulations via BOINC and ML modelling
Carlo Emilio Montanari (The University of Manchester (GB))
01/10/2025, 16:50
103. UK Quality management and continous improvement updates
Carlos Manuel Guerra Granjeiro (STFC Daresbury Laboratory (GB))
01/10/2025, 16:50
113. Mitigation strategies tested: what can be done at HL-LHC?
Bjorn Hans Filip Lindstrom (University of London (GB))
01/10/2025, 17:10
104. RFD cryomodules production readiness and open issues
Robert Laxdal
01/10/2025, 17:10
114. Background simulations for FASER and SND in Run 4
Alexandra Serban
01/10/2025, 17:30
105. Discussion
01/10/2025, 17:30
128. Cold mass at CERN
Herve Prin (CERN)
02/10/2025, 08:30
115. Electron cloud observations and impact for HL-LHC
Lotta Mether (CERN)
02/10/2025, 08:30
116. InterTrain cleaning / Losses at adjust
Xavier Buffat (CERN)
02/10/2025, 08:50
129. Cryostating at CERN
Delio Ramos (CERN)
02/10/2025, 09:00
117. LHC RF power studies, MDs and outlook
Helga Timko (CERN)
02/10/2025, 09:10
130. Cryo-BPMs: production progress
Emma Elizabeth Quinn
02/10/2025, 09:30
118. HL-LHC longitudinal beam stability for updated impedance model
Ivan Karpov (CERN)
02/10/2025, 09:30
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
131. Update on the HL-LHC beam screen production and integration
Cedric Garion (CERN)
02/10/2025, 10:00
120. High-intensity MD results and impact on luminosity
Sofia Kostoglou (CERN)
02/10/2025, 10:10
134. Damage experiment with radiation aged coils
Delphine Domange (Universite Libre de Bruxelles (BE))
02/10/2025, 11:00
121. SPS crab cavity MDs with RF dipole cryomodule
Rama Calaga (CERN)
02/10/2025, 11:00
127. First crabbing observation via head-on beam-beam interaction
Andrea Fornara
02/10/2025, 11:15
135. Energy deposition studies for the HL-LHC beam dump
Helene Guerin
02/10/2025, 11:20
122. HOM measurements from series cavities and RF lines
Amelia Veronica Edwards (Lancaster University)
02/10/2025, 11:25
123. Crab cavity impedance: SPS MDs and HOMs
Chiara Antuono
02/10/2025, 11:40
136. Towards the final HL-LHC beam dump design
Asbjoern Lund
02/10/2025, 11:40
124. Is crab cavity noise feedback feasible?
Daniel Valuch (CERN)
02/10/2025, 11:55
137. Simulations of ring losses for fast failures
Andre Donadon Servelle (CERN)
02/10/2025, 12:00
132. Updates on D1 field quality
Tatsushi Nakamoto (KEK)
02/10/2025, 12:00
125. Crabbing measurement resolution achieved in SPS
Wolfgang Hofle (CERN)
02/10/2025, 12:05
126. HL-LHC Crab Cavity BPMs status and outlook
Michal Krupa (CERN)
02/10/2025, 12:15
133. Results of sorting studies of the last four Q2 magnets
Andrea Fornara (CERN)
02/10/2025, 12:15
158. Evaluation of thermal contact conductance in HL-LHC collimator jaws: Experimental tests and multiphysics simulations
Luisa Puddu (CERN)
02/10/2025, 12:20
159. Vibrational simulations and experimental measurements on HL-LHC collimator jaws
Laura Helene Hannemann (CERN)
02/10/2025, 12:35
138. FE experience with DQW
Sara Domingo Gomez
02/10/2025, 14:00
148. Q2 integrated field and field quality
Lucio Fiscarelli (CERN)
02/10/2025, 14:00
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
139. HOM measurements on RFD cavities
Subashini De Silva (Old Dominion University (US)), Alex Castilla (Lancaster University (GB))
02/10/2025, 14:10
140. Experience with HOM cleanroom assembly
Marco Chiodini (CERN)
02/10/2025, 14:20
154. News on BDSIM implementations
Bjorn Hans Filip Lindstrom (University of London (GB))
02/10/2025, 14:20
149. Q1/Q3 integrated field and field quality
GianLuca Sabbi (LBNL), Joseph DiMarco
02/10/2025, 14:20
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
150. Magnetic axis on IT magnets
Mariano Pentella (CERN)
02/10/2025, 14:40
142. Materials quality control during manufacturing: cases studies
Claudia Tatiana Santos Maldonado
02/10/2025, 14:40
155. Simulating machine impact on forward backgrounds with BDSIM
Alex Keyken (Royal Holloway, University of London (GB))
02/10/2025, 14:40
143. Series cavity compliance w.r.t specification's drawings
Raphael Leuxe (CERN)
02/10/2025, 14:50
144. CERN cryomodule/components manufacturing
Alex Verduyn
02/10/2025, 15:00
156. DA simulations and long-term extrapolations
David Christie (The University of Manchester (GB))
02/10/2025, 15:00
151. Geometric axis on IT magnets
Vivien Rude (CERN)
02/10/2025, 15:00
145. CERN welded component production for collaborations
Myriam Elena Benahmed
02/10/2025, 15:10
152. Impact of alignment measurements
Riccardo De Maria (CERN)
02/10/2025, 15:20
146. Mechanical and thermo-mechanical simulations
Eduardo Cano Pleite, Joanna Sylwia Swieszek
02/10/2025, 15:20
147. Cryomodule assembly procedures
Julien Dequaire
02/10/2025, 15:30
164. Close-out
Markus Zerlauth (CERN)
02/10/2025, 16:10
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