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TTC 2026 Meeting, CEA-CNRS-Université Paris Saclay, 9-12 June 2026, Gif sur Yvette, France

Jun 9 – 12, 2026
Ecole Centrale Supelec
Europe/Paris timezone

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Contribution List

123 / 123
1. SRF activities at CEA and IJCLAB (TBD)
TBD
6/9/26, 9:30 AM
8. European Strategy for SRF development
Dr Peter McIntosh (UKRI-STFC)
6/9/26, 10:00 AM
32. Experience of current projects : EU-XFEL, LCLS-II-HE, FRIB, RAON, ESS, SHINE, CiADS, S3FEL, PIP-II, Hi-Lumi
Detlef Reschke (DESY), James Maniscalco (SLAC), Laura Popielarski (MSU), Youngkwon Kim (IBS), Paolo Pierini (ESS), Jinfang Chen (SARI), Jiang Tiancai (IMP), Han Li (IASF), Mattia Parise (Fermilab), Leonardo Ristori (CERN), Jacopo Bernardini (Fermilab)
6/9/26, 11:00 AM

1.Achieved Yield vs. Design Specs: What were the final yield rates for your project’s cavities, high-power couplers, and cryomodule components, and how did the achieved performance compare to the original design specifications?
2.Performance Transfer & Margins: What was the observed performance degradation from the Vertical Test (VT) to the final cryomodule (CM) operation, and what rationale...
11. Summary of Remote High Q/High Gradient Working Group
Dr Akira Miyazaki (CNRS/IN2P3/IJCLab)
6/9/26, 11:00 AM
12. Recent result of 2-step baking at KEK
Eric Viklund (KEK)
6/9/26, 11:05 AM
13. Recent progress of SHINE high-Q cavities
Yue Zong (SARI)
6/9/26, 11:23 AM
14. Status and Results of Mid-Temperature Baking for PIP-II LB 650 MHz Cavities
Jacopo Bernardini (Fermilab)
6/9/26, 11:41 AM
33. Open Discussion
6/9/26, 11:50 AM
15. Results from mid-T bake applied to 1.5 GHz C75 5-cell cavities for CEBAF
Pashupati Dhakal (Jlab)
6/9/26, 11:59 AM
16. Surface treatment platform construction and preliminary experiment for S3FEL
Shaohua Peng (IASF)
6/9/26, 12:17 PM
34. Experience in EU projects (Eu-FEL 3.9GHz, ESS, PIP-II)
Daniele Sertore (INFN)
6/9/26, 2:00 PM
17. Recent progress in high-frequency pulse electropolishing of niobium and SRF cavity in ionic liquid
Qingwei Chu (IMP)
6/9/26, 2:00 PM
35. How to build proper cryogenic lines to fulfil PED requirements
Henry Przybilski (ESS)
6/9/26, 2:10 PM
36. Experience China (SHINE)
Yawei Huang (ShanghaiTech University)
6/9/26, 2:15 PM
18. Enhancement of medium-temperature treated cavities for high-Q and high gradient
Julia Goedecke (DESY)
6/9/26, 2:18 PM
37. Experience Japan (KEK)
Takeshi Dohmae (KEK)
6/9/26, 2:25 PM
38. Open Discussion
6/9/26, 2:35 PM

"QUESTIONS FOR LABS
1) What is the request for material? How to use new material under high pressure condition (and cryogenic temperature)?
2) What kind of pressure test required? And how much is the pressure?
3) How to harmonize each regions (how industries comply to foreign pressure vessel codes)?
4) Which kind welding test requested?
5) Which kind of mechanical test required?
6) How...
19. Frequency shift measurements as indicator for SRF performance
Marc Wenskat (DESY)
6/9/26, 2:36 PM
39. Production of material for HOM housing for TESLA cavity and Ti bellows for cavity jacket
Takeshi Dohmae (KEK)
6/9/26, 2:45 PM
20. Crystalline ZrO2 Capping Layer with Atomically-Sharp Oxide-Superconductor Interface
Nathan Sitarman (Cornell)
6/9/26, 2:54 PM
40. Fabrication Challenges and Process Optimization of HOM Absorber for the S3FEL
Huizhong Pang (IASF)
6/9/26, 2:57 PM
41. Challenges with production of HOM Couplers for Hi-Lumi
Naeem Huque (JLab)
6/9/26, 3:09 PM
21. Progress in understanding magnetic-flux-entry in coated Nb using β-detected NMR
Ryan McFadden (Triumf)
6/9/26, 3:12 PM
42. Open Discussion
6/9/26, 3:21 PM
43. Development of SHINE 3.9 GHz fundamental power couplers
Zhenyu Ma (SARI)
6/9/26, 4:00 PM
22. New insights in the multilayer theory of superconducting RF cavities OR Progress on the Microscopic Theory of Inhomogeneous Disordered Superconductors
Carlos Redondo-Herrero (IJCLab)
6/9/26, 4:00 PM
44. Issues and mitigation methods with FPC during 1.3GHz Cryomodule assembly
Han Li (IASF)
6/9/26, 4:12 PM
23. Microwave Response of Superconductors with Paramagnetic Impurities
Mehdi Zrea (LSU)
6/9/26, 4:18 PM
45. Fundamental Power coupler for ESS,  experience from series production and conditioning
Thibault Hamelin (CEA)
6/9/26, 4:24 PM
24. Correlating Nb-SRF Surface Processing with Evolution of Surface Electronic States
Malvika Tripathi (Fermilab)
6/9/26, 4:36 PM
46. Fabrication Status and Addressing Ceramic Yield Challenges
Tommaso Aiazzi (Fermilab)
6/9/26, 4:36 PM
47. Standardization of the PIP-II cavity string assembly procedure and quality assurancey
Mattia Parise (Fermilab)
6/9/26, 4:48 PM
25. Investigating Impurity-Based Treatments in SRF Cavities through Coupled RF and Materials Characterization
Hannah Hu (Fermilab)
6/9/26, 4:54 PM
48. Initial CM operation performances on test and commissioning
Cecilia Maiano (ESS)
6/9/26, 5:00 PM
49. 2K static heat load performance for SHINE cryomodules
Yawei Huang (ShanghaiTech University)
6/9/26, 5:12 PM
26. Electropolishing-induced topographic defects in niobium: insights and implications for superconducting radio frequency applications
Eric Lechner (Jlab)
6/9/26, 5:12 PM
50. Open Discussion
6/9/26, 5:24 PM
2. SRF Systems for the EIC Project
Joseph Matalevich (JLab)
6/10/26, 9:00 AM
6. Development, commissioning and high-current CW operation of 166.6 MHz HOM-damped SRF modules at HEPS
Dr Zhang Pei (IHEP)
6/10/26, 9:30 AM
5. Commissioning and current Status of HELIAC Project at GSI
Dr Maksym Miski-Oglu (GSI)
6/10/26, 10:00 AM
27. Enhanced RF Performances in 1.3 GHz Nb Cavities via Mid-T Baking: Insights from Correlative Sample Studies
Zhaoxi Chen (ShanghaiTech University)
6/10/26, 11:00 AM
51. Production and Quality Lessons from Large Cryomodule Projects at Jefferson Lab
Naeem Huque (JLab)
6/10/26, 11:00 AM
52. QC experience of CM component fabrication, vendor challenges
Jacopo Bernardini (Fermilab)
6/10/26, 11:12 AM
28. The Origin of Medium-Temperature Baking Efficacy: Formation and Role of an Ordered Oxide Template
Didi Luo (IMP)
6/10/26, 11:18 AM
53. RF Testing and Performance Analysis of Low Beta Superconducting Cavities for HIAF Facility
Wei Shihui (IMP)
6/10/26, 11:24 AM
54. Development of SRF Cavities for S3FEL
Yuchao Fang (IASF)
6/10/26, 11:36 AM
29. Manipulation of Nb carbide during Mid-T bake : Impact of baking configuration and plasma treatment
Chahinez Boutelaa
6/10/26, 11:36 AM
55. PIP-II cavity qualification challenges (both SSR and elliptical)
Jacopo Bernardini (Fermilab), Mattia Parise (Fermilab)
6/10/26, 11:48 AM
30. Field of first vortex penetration of inhomogeneous materials: Predictions via Ginzburg-Landau theory and comparison to magnetometry measurements
Lucas Wallace (University of Victoria)
6/10/26, 11:54 AM
56. Production of RFD crab cavities for LHC Luminosity upgrade
Leonardo Ristori (CERN)
6/10/26, 12:00 PM
57. Progress about CSNS-II superconducting cavities
Wenzhong Zhou (IHEP)
6/10/26, 12:12 PM
31. Studying the effect of metallographic polishing on trapped magnetic flux with CRAFT
Alex Cierpka (HZB)
6/10/26, 12:12 PM
58. Open Discussion
6/10/26, 12:24 PM
59. LHC SRF cavities: operational experience
Katarzyna Turaj (CERN)
6/10/26, 2:00 PM
83. Now and future automatic clean assembly of SRF cavity
Hao GUO (IMP)
6/10/26, 2:00 PM
84. SRF Robotic Assembly Development at Fermilab
Colin Narug (Fermilab)
6/10/26, 2:12 PM
60. What we learned from the six-year operation of SRILAC
Naruhiko Sakamoto (Riken)
6/10/26, 2:15 PM
85. Development of a cobot-assisted HPR system for complex geometries
Nicolas Gandolfo (IJCLab)
6/10/26, 2:24 PM
61. Operational Status of the RAON Low Energy Linac
Youngkwon Kim (IBS)
6/10/26, 2:30 PM
86. COBOT operations and development at CEA
Julien Drant (CEA IRFU)
6/10/26, 2:36 PM
62. Typical operation issue and relevant experience of CAFE/CAFE2 SRF linac
Andong Wu (IMP)
6/10/26, 2:45 PM
87. Robotic assembly for field emission free systems
Roger Ruber (JLab)
6/10/26, 2:48 PM
88. Cu substrate by Additive Manufacturing
Fabien Eozenou (CEA Saclay, IRFU/DACM)
6/10/26, 3:00 PM
64. Performance degradation and component failures of SC cavity system in SuperKEKB operation
Takafumi Okada
6/10/26, 3:00 PM
89. 1.3 GHz cavities substrate production by Wire Additive Manufacturing
Oscar Azzolini (INFN LNL)
6/10/26, 3:12 PM
90. Discussion
6/10/26, 3:24 PM
66. Cavity performance over the operational lifetime of the LCLS superconducting linac
Sebastian Aderhold
6/10/26, 4:00 PM
91. Development and high-power operation of the FPC for HEPS 166.6 MHz srf cavities
Tongming Huang (IHEP)
6/10/26, 4:00 PM
92. Achievement of CW 100 kW Class Power Transmission by an L-band High-Power Input Coupler for SRF Accelerators.
Pragya Nama (KEK)
6/10/26, 4:12 PM
123. Particulate lofting and migration under exposure of low energy electron beam
Aveen Mahon (Triumf)
6/10/26, 4:15 PM
93. Compact on-axis coaxial HOM damper for SRF cavities
Andrei Lunin (Fermilab)
6/10/26, 4:24 PM
67. Particles measurement of beam line gate valves
Stéphane Berry (CEA)
6/10/26, 4:30 PM
94. Characterization of Cryogenic Beamline Absorber Materials for High-Current SRF Accelerators
Axel Perez Ruiz (IJCLab)
6/10/26, 4:36 PM
68. Field emission experience: from module tests in test stand to first and second commissioning in ESS linac
Cecilia Maiano (ESS)
6/10/26, 4:45 PM
96. ALD Coating for Multipacting Mitigation in ICONE Couplers
Yasmine Kalboussi (CEA)
6/10/26, 4:48 PM
69. Gas induced Q degradation in ISAC-II operation
Zhongyuan Yao (Triumf)
6/10/26, 5:00 PM
95. Improvement of CW ERL Performance of TESLA-type Cavities by Fast Reactive Tuner and Coated HOM-Antennas
Timo Stengler (University of Mainz)
6/10/26, 5:00 PM
97. latest findings on the development of the Ferroelectric Fast Reactive Tuner within the ISAS collaboration
Nicholas Shipman (HZB)
6/10/26, 5:12 PM
70. Cavity performance evolution from vertical test to on-line commissioning at SHINE
Jinfang Chen (SARI)
6/10/26, 5:15 PM
98. Discussion
6/10/26, 5:24 PM
3. LCLS-II-HE upgrade status/Recent Status of LCLS-II operation experience
Dr James Maniscalco (SLAC)
6/11/26, 9:00 AM
7. RF commissioning of HIAF's iLINAC
Dr Feng Qiu (IMP)
6/11/26, 9:30 AM
4. Experience with recommissioning of the European XFEL after Long Installation and Maintenance Period
Dr Mateusz Wiencek (DESY)
6/11/26, 10:00 AM
71. Plasma processing of elliptical cavities at INFN - LASA
Elisa DelCore (INFN)
6/11/26, 11:00 AM
99. Reduced BCS Resistance and Stable Medium-Field Operation from Nb3Al-Nb S'S Multilayer
Nathan Sitaraman (Cornell)
6/11/26, 11:00 AM
100. ALD interlayer to suppress thermoelectric currents
Ivana Curci (CEA)
6/11/26, 11:12 AM
72. Towards Plasma Processing in SPIRAL2 SRF Cavities
Martin Devaux (Ganil)
6/11/26, 11:15 AM
101. ALD R&D at University Hamburg
Marc Wenskat (DESY)
6/11/26, 11:24 AM
73. Plasma processing development at CSNS-II
Cong Zhang (IHEP)
6/11/26, 11:30 AM
102. High-energy pulsed magnetron re-sputtering/sputtering apparatus for Nb-Cu 1.3 GHz RF cavities
Peng Dong (ShanghaiTech University)
6/11/26, 11:36 AM
74. Plasma process for several types of cavities in CiADS
Andong Wu (IMP)
6/11/26, 11:45 AM
103. From 1.3 GHz to 400 MHz Nb/Cu Cavities: Challenges and Optimisation Strategies
Caroline Hain (CERN)
6/11/26, 11:48 AM
75. In-situ plasma processing, pulse conditioning, helium pulse processing, and thermocycling on low-beta cavities at the ATLAS
Megan McIntyre (ANL)
6/11/26, 12:00 PM
104. Recent results of Nb/Cu coating cavity under KEK/CERN collaboration
Walter Venturini (CERN)
6/11/26, 12:00 PM
105. Recent Progress in Nb and Nb3Sn on Cu coatings for SRF applications at JLab
Anne-Marie Valente-Feliciano (Jefferson Lab)
6/11/26, 12:12 PM
76. Development of in-situ plasma processing procedures with the fundamental passband on 1.3GHz multi-cell SRF cavities at TRIUMF
Will Stokes (Triumf)
6/11/26, 12:15 PM
106. Discussion
6/11/26, 12:24 PM
77. Advancing In-Situ Plasma Processing for SRF Cavities at Fermilab
Bianca Giaccone (Fermilab)
6/11/26, 2:00 PM
107. Recent Progress in Nb3Sn on Cu coatings for SRF cavities at LNL
Matteo Lazzari (INFN LNL)
6/11/26, 2:00 PM
108. Recent Progress in Nb3Sn on Cu coatings for SRF cavities at UKRI
Reza Valizadeh (STFC/UKRI)
6/11/26, 2:12 PM
78. Ozone processing and comparison with plasma processing
Roger Ruber (JLab)
6/11/26, 2:15 PM
109. Towards Nb3Sn coated copper cavities for energy efficient SRF application
Marton Major (Darmstadt Technical University)
6/11/26, 2:24 PM
79. Field Emission Diagnostics and Magnetic Heating Effects in Superconducting Cavities
Heetae Kim (IBS)
6/11/26, 2:30 PM
110. Optimization of Bronze-Route Nb3Sn Films on Copper Substrates for Quadrupole Resonator Testing
Ming Lu (HZB)
6/11/26, 2:36 PM
80. Analysis of Parasatic emissions phenoma during cryomodule operation
Guillaume Devanz (CEA)
6/11/26, 2:45 PM
111. An Integrated Approach to Nb₃Sn Cavities: Bronze-Route Fabrication and Laser Post-Treatment
Teng Tan (IMP)
6/11/26, 2:48 PM
112. Challenges to the vapor diffusion Nb3Sn coatings: A Material Science Analysis
Nikki Tagdulang (Fermilab)
6/11/26, 3:00 PM
81. Field emission analysis in SRF cavities for PIP-II using GEANT4
Sajini Wijethunga (Fermilab)
6/11/26, 3:00 PM
113. Discussion
6/11/26, 3:12 PM
82. Surface-Driven Field Emission Mechanisms and Mitigation in SRF Cavities
TongTong Zhu (IMP)
6/11/26, 3:15 PM
120. Technical Frontier
6/11/26, 4:00 PM
121. Engineering path for reliability
6/11/26, 4:25 PM
122. Strategic democratization
6/11/26, 4:50 PM
9. Einstein Telescope, pushing the outer limits of gravitational waves detection
Angélique Lartaux (IJCLab)
6/12/26, 9:00 AM
10. Superconductivity and Cryogenics in Space : An active magnetic shield to protect astronauts for interstellar travels
Bertrand Baudouy (CEA)
6/12/26, 9:45 AM
114. Summary WG1
6/12/26, 11:00 AM
115. Summary WG2
6/12/26, 11:20 AM
116. Summary WG3
6/12/26, 11:40 AM
117. Summary WG4
6/12/26, 12:00 PM
118. TB/CB Report
6/12/26, 12:20 PM
119. Closing
Catherine MADEC (CEA), David Longuevergne (IJCLab)
6/12/26, 12:40 PM
63. Operating Accelerators Under Adverse Conditions
Michael McChaughan (JLab)
65. Typical operation issue and relevant experience of CAFE/CAFE2 SRF linac
Andong Wu
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