SRF Frontiers Workshop

Nov 12, 2025, 8:00 AM → Nov 14, 2025, 2:00 PM US/Eastern

CEBAF Center - Room F113 (Jefferson Lab)

Rong-Li Geng (Thomas Jefferson National Accelerator Facility)

We are pleased to announce the SRF Frontiers Workshop, taking place November 12–14, 2025, at Thomas Jefferson National Accelerator Facility in Newport News, VA.

The workshop is by invitation only and will focus on the latest advancements in Superconducting Radio Frequency (SRF) sciences and technologies. The outcome of this workshop is expected to impact SRF-based accelerators at Jefferson Lab and elsewhere for sustained SRF scientific progresses and expanded SRF technology applications. It will highlight current systems such as CEBAF and UITF at Jefferson Lab, while also exploring next-generation SRF innovations. The workshop also aims to:

• Strengthen collaboration among experts and institutions in areas of shared interest.
• Foster partnerships with funding agencies and industry where strategic interests align.
• Provide a forum for discussing new ideas, addressing challenges, and shaping directions.

Participants will include leaders in SRF science and technology, industrial partners, and representatives from the government funding agencies. The focus areas of the workshop are:

·    Future SRF scenarios at Jefferson Lab, including promising approaches to enhancing CEBAF’s energy efficiency and discovery potential, particularly in the context of the 2023 Nuclear Science Advisory Committee (NSAC) Long Range Plan for Nuclear Science.

·     SRF for future scientific facilities, including the SRF needs for the Electron-Ion Collider (EIC) and SRF developments for the proposed Higgs Factory in the framework of the U.S. Higgs Factory Coordination Consortium (HFCC).

·     SRF beyond basic research for nuclear and particle physics, including approaches to accelerator driven systems for transmutation of nuclear waste, compact SRF technologies for industry, and SRF-based new tools for material sciences and biomedical applications.

Round table sessions will be held to facilitate the formation of consortiums focused on two key areas: advancing fundamental research in Nb₃Sn SRF technology and scaling this technology for commercial applications. These discussions will leverage deep subject-matter expertise and test facilities at Jefferson Lab. The program will include a guided tour of Jefferson Lab's SRF facilities and the UITF accelerator. In addition, early career sessions will be organized to support the next generation of SRF practitioners. Thanks to the generous sponsorship of Jefferson Lab’s Chief Research Officer, the registration fee will be waived for selected early career participants.

 

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If you are interested in attending, please reach out to the workshop Admin Support Zeynep Ceribasi or the Scientific Secretary Pashupati Dhakal at SRFFrontiers25@jlab.org.

 

Registration Fee: $250
Registration Deadline: November 4, 2025

 

 

Wed, November 12

8:00 AM → 9:00 AM Registration and Welcome / Breakfast

8:00 AM Registration

8:30 AM Breakfast / Introduction & Announcements

Speaker: Rong-Li Geng (Thomas Jefferson National Accelerator Facility)

8:35 AM Welcome

Speaker: David Dean (TJNAF)

8:40 AM Logistics and Workshop Charge

Speaker: Rong-Li Geng (Thomas Jefferson National Accelerator Facility)

Logistic and charge_SRF_Frontier.pptx

9:00 AM → 10:30 AM Session I: SRF Scenarios at Jefferson Lab (Chair: Shaoheng Wang)

9:00 AM Hign-Q0 recipe development for CEBAF cavities (20+10)

Speaker: Pashupati Dhakal (Jefferson Lab)

JLab_Frontier_Workshop_2025_Dhakal.pptx

9:30 AM First beam test of Nb3Sn cryomodule Gray Enid I at UITF and next steps (20+10)

Speaker: Rong-Li Geng

Gray Enid I beam test.pptx

10:00 AM Conduction-cooled SRF cryomodule for compact accelerators (20+10)

Speaker: Gianluigi Ciovati (JLab)

SRFJLab_Conduction-cooled cryomodule_Ciovati_2025.pptx

10:30 AM → 11:00 AM Coffee Break/Discussion

11:00 AM → 12:30 PM Session II: Pushing Limits of Nb Cavities (Chair: Michael Kelley)

11:00 AM Theoretical perspectives of SRF performance (20+10)

Speaker: Takayuki Kubo (KEK)

251112b_Kubo_SRFfrontier.pptx

11:30 AM Mechanisms of nonlinear surface resistance in superconducting cavities (20+10)

Speaker: Alex Gurevich (ODU)

ag_JLab25.pptx

12:00 PM Precision amplitude and phase control of high-Ql SRF cavities (20+10)

Speaker: Matthias Liepe (Cornell University)

Liepe_high_Ql.pdf

12:30 PM → 2:00 PM Working Lunch: Early Career Talk (Chair: Pashupati Dhakal)

12:45 PM Surface Finish and Field Limitations of SRF Cavities (10+5)

Speaker: Eric Lechner (Jefferson Lab)

LechnerSRFFW2025_VF.pptx

1:00 PM Pushing limits to vapor diffusion Nb3Sn cavities (10+5)

Speaker: Uttar Pudasaini (Jefferson Lab)

SRFrontiersWorkshop2025-Nb3Sn-Pudasaini.pptx

1:15 PM EIC 591 MHz single-cell cavity fabrication (10+5)

Speaker: David Savransky

Prototyping a 591 MHz single cell SRF cavity.pptx

1:30 PM Development of low-loss window for CEBAF SRF cryomodules (10+5)

Speaker: Oleksandr Hryhorenko (JLab)

LLCW_development_SRF_Frontiers_Workshop_OH.pptx

2:00 PM → 3:30 PM Session III: SRF for large-scale science facilities (Chair: Rongli Geng)

2:00 PM EIC SRF systems and challenges (20+10)

Speaker: Zachary Conway (Thomas Jefferson National Accelerator Facility)

EIC SRF systems and challenges Conway.pptx

2:30 PM HFCC-A RF systems plan (20+10)

Speaker: Sergey Belomestnykh (Fermilab)

HFCC-A RF systems plan.pptx

3:00 PM Moller experiment at CEBAF and its challenges to beams and SRF cavities (20+10)

Speaker: Kent Paschke (UVA)

SRF-Workshop.pdf

3:30 PM → 4:00 PM Coffee Break/Discussion

4:00 PM → 5:00 PM Tour: Test Lab (Rongli Geng, Gianluigi Ciovati, Pashupati Dhakal, Anne-Marie Valente)

5:30 PM → 7:00 PM Off-site Social Networking at Tradition Brewing Company

Convener: Andrei Seryi (JLAB)

Thu, November 13

8:00 AM → 8:30 AM Breakfast

8:30 AM → 10:00 AM Session IV: SRF for emerging facilities (Chair: Gigi Ciovati)

8:30 AM SRF system considerations for future neutron sources (20+10)

Speaker: Sang-ho Kim (Oak Ridge National Laboratory)

Future_neutron_source_v2a.pptx

9:00 AM ERL development at the PERLE project (20+10)

Speaker: Walid Kaabi (IJCLab)

ERL development at PERLE project_SRF Frontiers Workshop.pptx

9:30 AM INFN LASA activities towards HighQ/HighG (20+10)

Speaker: Daniele Sertore (INFN-LASA)

INFN_LASA_TowardsHighGHighQ.pptx

10:00 AM → 10:30 AM Coffee Break /Discussion

10:30 AM → 12:30 PM Session V: Nb3Sn SRF technology development (Chair: Anne-Marie Valente)

10:30 AM Experimental development of Nb3Sn coating on Cu for SRF applications (20+10)

Speaker: Reza Valizadeh (STFC)

Frontier SRF workshop.pptx

11:00 AM Experimental development of Nb3Sn coated Cu cavities (20+10)

Speaker: Cristian Pira (INFN LNL)

Pira Cristian - Experimental development of Nb3Sn coated Cu cavities - SRF Frontiers Workshop - JLab 2025.pptx

11:30 AM Nb3Sn coating on Cu via CVD (20+10)

Speaker: Shreyas Balachandran (FSU)

Balachandran_CVD Nb3Sn on Cu- SRF Frontiers Workshop- JLAB.pdf

CVD_Nb3Sn on Cu- Frontiers_Workshop.pptx

12:00 PM Top loading cryomodule (20+10)

Speaker: Robert Laxdal (TRIUMF)

top-loading-v4.pptx

12:30 PM → 2:00 PM Working Lunch: Early Career Talk (Chair: Shaoheng Wang)

12:45 PM A new SRF cavity control system (10+5)

Speaker: Peter Owen (Jefferson Lab)

SRF Workshop 70 - RF system.pptx

1:00 PM Resonance Control and Cryomodule Interlocks for the EIC (10+5)

Speaker: Mr James Latshaw (JSA)

Resonance Control for EIC James Latshaw.pptx

1:15 PM Box cryomodule experience from the Cornell conduction-cooled SRF development (10+5)

Speaker: Neil Stilin (Jefferson Lab)

Stilin_Cornell-C4M-Experience.pptx

1:30 PM Applications of compact SRF accelerators (10+5)

Speaker: Hannes (John) Vennekate

2025-11-13 - Applications of compact SRF accelerators - Vennekate.pptx

2:00 PM → 5:00 PM Session VI: Round Table Discussions

2:00 PM Introduction by Moderator (10)

Speaker: Valente Anne-Marie (Jefferson Lab)

SRfFrontiersWkshp_Roundtable1.pptx

SRfFrontiersWkshp_Roundtable1_Questions.pptx

2:00 PM Round Table 1 Consortium for basic research on Nb3Sn technology

2:10 PM Panel discussion (50):

Speakers: Alex Gurevich (ODU), Cristian Pira (INFN LNL), GUILLAUME ROSAZ (CERN), Reza Valizadeh (STFC), Shreyas Balachandran (FSU)

3:00 PM Introduction by Moderator

Speaker: Gianluigi Ciovati (JLab)

Panel questions for members_Ciovati.pptx

3:00 PM Round Table 2 Consortium for Nb3Sn technology for commercial applications

3:05 PM RadiaBeam Technologies capabilities and interests (5)

Speaker: Ronald Agustsson (RadiaBeam)

20251113-SRF-Frontiers-lightweight.pptx

3:10 PM Euclid Techlabs capabilities and interests (5)

Speaker: Chunguang Jing (Euclid Techlabs LLC)

Introduction of Eucid for SRF Frontier WS_11132025.pptx

3:15 PM General Atomics capabilities and interests in SRF and related technologies (5)

Speaker: Drew Packard (General Atomics)

251112- SRF Frontiers.pptx

3:20 PM SSI interests and vision (5)

Speaker: Stuart Henderson (Subcritical Systems Inc.)

Subcritical SRF Frontiers.pptx

3:25 PM Panel discussion (35)

Speakers: Chunguang Jing (Euclid Techlabs LLC), Drew Packard (General Atomics), Ronald Agustsson (RadiaBeam), Stuart Henderson (SSI)

4:00 PM Introduction by moderator (10)

Speaker: Michael Kelley (College of William & Mary)

4:00 PM Round Table 3 Early Career event: workforce pipeline and job opportunities

4:10 PM Panel discussion (50)

Speakers: Chunguang Jing (Euclid Techlabs LLC), David Dean (TJNAF), David Savransky, Drew Packard (General Atomics), Enrico Rossi (William & Mary), Eric Lechner (Jefferson Lab), Mr James Latshaw (JSA), John Vennekate (JLab), Matthias Liepe (Cornell University), Neil Stilin (Jefferson Lab), Oleksandr Hryhorenko (JLab), Peter Owen (Jefferson Lab), Ronald Agustsson (RadiaBeam), Shreyas Balachandran (FSU), Stuart Henderson (Subcritical Systems Inc.), Uttar Pudasaini (Jefferson Lab), Wenjun Cai (Virginia Polytechnic Institute and State University)

3:00 PM → 4:00 PM Coffee Break w/ Round Table 2

6:00 PM → 8:00 PM No-host Dinner at Cork & Crust

Fri, November 14

8:00 AM → 8:30 AM Breakfast

8:30 AM → 10:00 AM Session VII: Emerging SRF Applications and Critical Developments (Chair: Pashupati Dhakal)

8:30 AM Superconducting thin film development for microelectronics (20+10)

Speaker: Anne-Marie Valente-Feliciano (Jefferson Lab)

SRFFrontiersJLab_SCD_AMVF.pptx

9:00 AM Cu cavity construction and surface preparation for SRF coatings (20+10)

Speaker: GUILLAUME ROSAZ (CERN)

SRF_Frontiers_Rosaz.pptx

9:30 AM Future directions in the theory of topological and geometrical perturbations in RF resonators (10+5)

Speaker: Adham Naji (SCU)

9:45 AM Muon collider development (10+5)

Speaker: Robert Rimmer (JLab)

Rimmer_MC.pdf

Rimmer_MC.pptx

10:00 AM → 10:30 AM Coffee Break/Discussion

10:30 AM → 11:30 AM Session VIII: Special Topic: Ultrafast Microscope and Science Drivers (Chair: Rongli Geng)

10:30 AM TEM based molecular and cellular sciences (20+10)

Speaker: Yanxin Liu (UMD)

2025_11_14_JLAB.pdf

11:00 AM Materials Science and Other Drivers for UEM (20+10)

Speaker: Andrew Lupini (ORNL)

Materials science drivers for UEMs.pptx

11:30 AM → 1:00 PM Working Lunch & Closeout (Rongli Geng)