Name: Tesla Technology Collaboration (TTC2027)
Start: 2027-01-26T08:30:00-05:00
End: 2027-01-29T18:00:00-05:00
Location: Jefferson Lab

Monday, January 25, 2027
Tuesday, January 26, 2027

8:30 AM Registration

8:30 AM - 9:00 AM
Room: Auditorium
9:00 AM Welcome & Introduction
9:00 AM - 9:30 AM
Room: Auditorium
Contributions

9:00 AM Opening Talk - Rong-Li Geng (Thomas Jefferson National Accelerator Facility)

9:10 AM Welcome by TJNAF Deputy Lab Director - Eric Brown (TJNAF)

9:15 AM Introduction and update from the last TTC Meeting - Robert Laxdal (TRIUMF)
9:30 AM Plenary Session: Talks
Talks
9:30 AM - 10:30 AM
Room: Auditorium
Contributions

9:30 AM SRF Activities of Jefferson Lab - Rong-Li Geng (Thomas Jefferson National Accelerator Facility)

10:00 AM Strategy/Roadmap for SRF development in North America - Sam Posen
10:30 AM Coffee Break
Coffee Break
10:30 AM - 11:00 AM
Room: Atrium
11:00 AM WG-1: Understanding the recent High-Q/ High-G performance
11:00 AM - 12:30 PM
Room: Auditorium
Contributions

11:00 AM Introduction to WG1 - Eric Lechner (Jefferson Lab) Kensei Umemori (KEK) Marc Wenskat (DESY)

11:05 AM Theory Review - Alexander Gurevich (ODU)

11:35 AM Mid T at Various Frequencies - Philipp Kolb (TRIUMF)

11:55 AM N-doping and Mid-T performance - Jinfang Chen (Shanghai Advanced Research Institute)

12:15 PM Discussion - Eric Lechner (Jefferson Lab) Kensei Umemori (KEK) Marc Wenskat (DESY)
WG-2: High power couplers and HOM couplers – RF and cryogenic performance
11:00 AM - 12:30 PM
Room: F113
Contributions

11:00 AM Introduction of WG2 topics, schedule plan, encouraging discussion

11:05 AM High-Power FPC Development for the EIC - Wencan Xu (BNL)

11:20 AM FPC deveopment for FCC/Hilumi crab cavity

11:35 AM FPCs and HOMs at the cERL - Mathieu Omet

11:50 AM Recent Progress of Power Couplers for Half-Wave Resonators at the Institute for Rare Isotope Science

12:05 PM Discussion - Wencan Xu (BNL)
12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM
2:00 PM WG-1: Understanding the recent High-Q/ High-G performance
2:00 PM - 3:30 PM
Room: Auditorium
Contributions

2:00 PM Material Review - Eric Lechner (Jefferson Lab)

2:30 PM Flux Trapping and Sensitivity Review - Felix Kramer (Helmholtz-Zentrum Berlin)

3:00 PM Importance of Microstructure - Shreyas Balachandran (FSU) Shreyas Balachandran (ASC-FSU-NHMFL)

3:15 PM Performance Degradation Questionaire and Discussion - Eric Lechner (Jefferson Lab) Kensei Umemori (KEK) Marc Wenskat (DESY)
WG-2: High power couplers and HOM couplers – RF and cryogenic performance
2:00 PM - 3:30 PM
Room: F113
Contributions

2:00 PM PIP-II Power Couplers: Status, Issues, and Thermal Performance

2:15 PM Thermal design for megawatt-class FPC

2:30 PM FPC for XFEL upgrade

2:45 PM Status and Operational Experience of FPC and HOM Dampers for the TPS 500 MHz and 1.5 GHz SRF Cavities

3:00 PM Discussion - Wencan Xu (BNL)
3:30 PM Coffee Break
Coffee Break
3:30 PM - 4:00 PM
Room: Atrium
4:00 PM WG-2: High power couplers and HOM couplers – RF and cryogenic performance
4:00 PM - 5:30 PM
Room: F113
Contributions

4:00 PM SiC HOM Damper for the EIC 591 MHz SRF Cavities

4:15 PM Placeholder

4:30 PM HOM damping for crab cavities.

4:45 PM HOM damping for FCC/Hilumi LHC

5:00 PM Test results of the Jlab on-cell-damped (OCD) storage ring cavity - Robert Rimmer (JLab)

5:10 PM Discussion - Wencan Xu (BNL)
WG1: Understanding the recent High-Q/ High-G performance
4:00 PM - 5:30 PM
Room: Auditorium
Contributions

4:00 PM Recipe Transfer from Single-cell to Nine-cell - Lea Steder (DESY)

4:20 PM Technical vs. Physical Recipe - David Longuevergne (IPN-Orsay)

4:40 PM Experiences with Postfurnace Chemistry - Hayato Ito (KEK)

5:00 PM HF-free Postfurnace Chemistry - Masashi Nakanishi (Nomura Plating Co., Ltd.)

5:20 PM Discussion - Eric Lechner (Jefferson Lab) Kensei Umemori (KEK) Marc Wenskat (DESY)
5:30 PM Break
Break
5:30 PM - 6:00 PM

6:00 PM CB Meeting

6:00 PM - 7:00 PM
Room: F224
Wednesday, January 27, 2027
9:00 AM Plenary Session: Talks
Talks
9:00 AM - 10:30 AM
Room: CEBAF Center - Auditorium
Contributions

9:00 AM SNS - 20 years of SRF experience - Sang-ho Kim (Oak Ridge National Laboratory)

9:30 AM Report from ERL Workshop - Mathieu Omet

10:00 AM Report from Thin Films Workshop - Reza Valizadeh (STFC)
10:30 AM Coffee Break
Coffee Break
10:30 AM - 11:00 AM
Room: Atrium
11:00 AM WG-2: High power couplers and HOM couplers – RF and cryogenic performance
11:00 AM - 12:30 PM
Room: F113
Contributions

11:00 AM HOM and FPC integration for EIC ESR cryomodule - Gary Cheng (Jefferson Lab)

11:15 AM FPC for conduction cooling cryomodule at Jlab - Neil Stilin (Jefferson Lab)

11:30 AM Design of a 1.3 GHz Forward Power Coupler for the Cornell Conduction-Cooled Nb3Sn Cryomodule (CM4)

11:45 AM FPC with reduced cryogenic heat loads (conduction-cooled accelerators)

12:00 PM Discussion - Wencan Xu (BNL)
WG1: Understanding the recent High-Q/ High-G performance
11:00 AM - 12:30 PM
Room: Auditorium
Contributions

11:00 AM LCLS-II Material and Technology Transfer

11:20 AM CERN Tech Transfer - Frank Peauger (CERN)

11:40 AM Technology Transfer at S3FEL - Wang Zhi (ISAF)

12:00 PM Technology transfer of Mid-T baking under mass production at SHINE - Yue Zong (Shanghai Advanced Research Institute, Chinese Academy of Sciences)

12:20 PM Discussion - Eric Lechner (Jefferson Lab) Kensei Umemori (KEK) Marc Wenskat (DESY)
12:30 PM Lunch Break
Lunch Break
12:30 PM - 2:00 PM
2:00 PM WG-3: Standardization of VT protocols
2:00 PM - 3:30 PM
Room: Auditorium
Contributions

2:00 PM Introduction - Anna Shabalina (STFC) Heetae Kim (IRIS-IBIS) Kellen McGee (FNAL)

2:05 PM Vertical-Test Qualification and Repeatability of SHINE SRF Cavities

2:25 PM Vertical Test Experience at IRIS toward Standardized Vertical Test Protocols - Heetae Kim (IRIS-IBIS)

2:45 PM VT Diagnostics and Inter-Laboratory Repeatability - Kensei Umemori (KEK)

3:05 PM Placeholder
WG4: Origins of cavity degradation in cryomodule operation
2:00 PM - 3:30 PM
Room: F113
Contributions

2:00 PM Overview of session structures for WG4 - Aveen Mahon (TRIUMF) Frank Peauger (CERN) Naruhiko Sakamoto (RIKEN)

2:03 PM CEBAF - Machine Overview and Operational Status - Tom Powers (JLAB)

2:21 PM Machine Overview and Current Operational Status (Rapid Fire) - Aveen Mahon (TRIUMF) Frank Peauger (CERN) Naruhiko Sakamoto (RIKEN)

3:21 PM Discussion - Aveen Mahon (TRIUMF) Frank Peauger (CERN) Naruhiko Sakamoto (RIKEN)
3:30 PM Coffee Break
Coffee Break
3:30 PM - 4:00 PM
Room: Atrium
4:00 PM WG-3: Standardization of VT protocols
4:00 PM - 5:30 PM
Room: Auditorium
Contributions

4:00 PM Radiation Detection Standardization - Laura Grassellino (FNAL)

4:20 PM Evolution of Field Emission from Vertical Test to Subsequent Operation for RIKEN SC-QWRs

4:40 PM Placeholder

5:00 PM Placeholder
WG4: Origins of cavity degradation in cryomodule operation
4:00 PM - 5:30 PM
Room: F113
Contributions

4:00 PM Cavity degradation experience with the LHC at CERN - Frank Peauger (CERN)

4:15 PM Observation of Cavity Degradation (Rapid Fire) - Aveen Mahon (TRIUMF) Frank Peauger (CERN) Naruhiko Sakamoto (RIKEN)

4:54 PM Discussion: Observation of Cavity Degradation - Aveen Mahon (TRIUMF) Frank Peauger (CERN) Naruhiko Sakamoto (RIKEN)
5:30 PM Break
Break
5:30 PM - 6:00 PM

6:00 PM TB Meeting

6:00 PM - 7:00 PM
Room: L102
Thursday, January 28, 2027
9:00 AM Plenary Session: Talks
Talks
9:00 AM - 10:30 AM
Room: Auditorium
Contributions

9:00 AM SRF Commissioning of the SHINE Linac - Yubin zhao (Shanghai Advanced Research Institute. CAS)

9:30 AM Survey of Conduction cooled cryomodule development in North America - Gianluigi Ciovati (JLab)

10:00 AM Experience from ESS commissioning - Cecilia Maiano
10:30 AM Coffee Break
Coffee Break
10:30 AM - 11:00 AM
Room: Atrium
11:00 AM WG-3: Standardization of VT protocols
11:00 AM - 12:30 PM
Room: Auditorium
Contributions

11:00 AM KAT SRF Cavity Manufacturing and Quality Assurance toward Standardized Vertical Test Protocols

11:20 AM VT Data Handling at KEK - Mathieu Omet

11:40 AM Placeholder

12:00 PM Cavity Vertical Testing at DESY: Comparing Movable vs. Fixed Input Antennas
WG4: Origins of cavity degradation in cryomodule operation
11:00 AM - 12:30 PM
Room: F113
Contributions

11:00 AM Cavity degradation experience with the compact Energy-Recovery Linac (cERL) at KEK - Hiroshi Sakai (KEK)

11:15 AM Triggers and Associated Factors of Cavity Degradation (Rapid Fire) - Aveen Mahon (TRIUMF) Frank Peauger (CERN) Naruhiko Sakamoto (RIKEN)

11:54 AM Discussion: Triggers and Associated Factors of Cavity Degradation - Aveen Mahon (TRIUMF) Frank Peauger (CERN) Naruhiko Sakamoto (RIKEN)
12:30 PM Lunch Break
Lunch Break
12:30 PM - 2:00 PM
2:00 PM WG-3: Standardization of VT protocols
2:00 PM - 3:30 PM
Room: Auditorium
Contributions

2:00 PM Magnetic Flux Expulsion and Sensitivity Studies - Kellen McGee (FNAL)

2:20 PM Suppression of Thermoelectric Currents on Nb₃Sn/Cu vs Nb, cooldown speeds

2:40 PM Experience with Passive/Active Magnetic Shielding

3:00 PM Placeholder
WG4: Origins of cavity degradation in cryomodule operation
2:00 PM - 3:30 PM
Room: F113
Contributions

2:00 PM Cavity degradation experience with ISAC-II at TRIUMF - Zhongyuan Yao (TRIUMF)

2:15 PM Mechanism of FE Activation and Q Degradation (Rapid Fire) - Aveen Mahon (TRIUMF) Frank Peauger (CERN) Naruhiko Sakamoto (RIKEN)

2:42 PM Discussion: Mechanism of FE Activation and Q Degradation - Aveen Mahon (TRIUMF) Frank Peauger (CERN) Naruhiko Sakamoto (RIKEN)
3:30 PM Coffee Break
Coffee Break
3:30 PM - 4:00 PM
Room: Atrium

4:00 PM Hot Topics

4:00 PM - 5:30 PM

5:30 PM Break
Break
5:30 PM - 6:00 PM

6:00 PM Social Event - Tradition Brewing Company - No Host

6:00 PM - 8:00 PM
Friday, January 29, 2027
9:00 AM Special Seminars
9:00 AM - 10:30 AM
Room: Auditorium
Contributions

9:00 AM Proton Therapy and Its Clinical Applications (tentative title) - Dr. Allan Thornton, Hampton University – Hampton Proton Cancer Institute - Allan Thornton (Hampton University – Hampton Proton Cancer Institute)

9:45 AM Magnetism in One Dimension - Prof. Despina Louca, University of Virginia Physics Department - Despina Louca (University of Virginia)
10:30 AM Coffee Break
Coffee Break
10:30 AM - 11:00 AM
Room: Atrium
11:00 AM Plenary Session: Summary
Summary
11:00 AM - 12:00 PM
Room: Auditorium
Contributions

11:00 AM Summary WG1

11:15 AM Summary WG2

11:30 AM Summary WG3

11:45 AM Summary WG4
12:00 PM Plenary Session: Closing
Closing
12:00 PM - 1:00 PM
Room: Auditorium
Contributions

12:00 PM TB Report

12:15 PM CB Report

12:30 PM Closing
1:00 PM Lunch Break
Lunch Break
1:00 PM - 2:00 PM

2:00 PM Lab Tour: TBD
TBD
2:00 PM - 6:00 PM