Name: TESLA Technology Collaboration (TTC) Meeting
Start: 2018-02-06T08:30:00+01:00
End: 2018-02-09T18:30:00+01:00
Location: Physics Department

Monday, February 5, 2018
Tuesday, February 6, 2018

8:30 AM Registration
Registration
8:30 AM - 9:00 AM
Room: Foyer
9:00 AM
9:00 AM - 9:15 AM
Room: Aula A
Contributions

9:00 AM INFN-Milan, welcome and logistics - Carlo Pagani (MI)
9:15 AM Welcome and introduction, status and progress reports
Welcome and introduction, status and progress reports
9:15 AM - 10:30 AM
Room: Aula A
Contributions

9:15 AM Introduction and update from last collaboration meeting - Hasan Padamsee (Cornell)

9:30 AM LCLS-II progress with cavity and CM production and testing - Marc Ross (SLAC)

10:00 AM Recent progress in SRF cavity components and module tests at FRIB - Kenji Saito (FRIB)
10:30 AM Coffee Break
Coffee Break
10:30 AM - 11:00 AM
Room: Foyer
11:00 AM
11:00 AM - 12:00 PM
Room: Aula A
Contributions

11:00 AM CW accelerating module test progress at DESY - Denis Kostin (DESY)

11:15 AM 15 years of CW SRF operation at ELBE - Andre Arnold (HZDR ELBE)

11:30 AM 3.9 GHz CW challenges and recent horizontal test results for 3.9 GHz Cavity - Sebastian Aderhold (FNAL)

11:45 AM Large Grain Cavities in a CEBAF Cryomodule - Gianluigi Ciovati (JLAB)
11:00 AM - 12:30 PM
Room: Aula C
Contributions

11:00 AM LLRF commissioning of 25MeV Proton SC Linac and design for 500MeV CW Linac - Zheng Gao (IMP)

11:22 AM SNS LLRF/Operation Experience - Mark Crofford (SNS)

11:44 AM CEBAF LLRF and C100 Experience - Curt Hovater (JLAB)

12:06 PM LLRF of the European XFEL - M. Omet (Deutsches Elektronen-Synchrotron)

12:28 PM Discussion
12:00 PM
12:00 PM - 12:30 PM
Room: Aula A
Contributions

12:00 PM Experiment of Active Coil Cancellation on a LCLS-II cryomodule - S. Chandrasekaran (FNAL)

12:18 PM Flux expulsion experiments at KEK - Kensei Umemori (KEK)
12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM
2:00 PM
2:00 PM - 3:30 PM
Room: Aula A
Contributions

2:00 PM Fundamental Studies of Flux Trapping - Sam Posen (FNAL)

2:20 PM Achieving High Q in LCLS-II Cavity Production - Dan Gonella (SLAC)

2:30 PM Trapped Flux Studies in Horizontal Tests - Julia-marie Koeszegi (HZB)

2:45 PM Flux Expulsion of LCLS-II Cryomodules - Genfa Wu (FNAL)

3:00 PM Trapped Flux Studies on Low Beta Cavities at IPNO - David Longuevergne (IPN Orsay)

3:15 PM Discussion
2:00 PM - 3:30 PM
Room: Aula C
Contributions

2:00 PM Microphonics - A. Neumann (HZB)

2:22 PM Microphonics Experience at cERL - Hiroshi sakai (KEK)

2:45 PM He Pressure effects in CW cryomodules - Ed Daly (JLAB)

3:07 PM Impact of Thermo-acoustics oscillations on the LCLS II CM microphonics - Yuriy Pischalnikov (FNAL)
3:30 PM Coffee Break
Coffee Break
3:30 PM - 4:00 PM
Room: Foyer
4:00 PM
4:00 PM - 5:30 PM
Room: Aula A
Contributions

4:00 PM Cavity Performance Limitations in FRIB Cryomodules - Kenji Saito (FRIB)

4:15 PM Preparation, processing, assembling and testing of spoke resonators: from SSR1 jacketed cavities to string assembly - Mattia Parise (FNAL)

4:30 PM Fabrication and VT results in RIKEN-QWR Cavity - Naruhiko Sakamoto (RIKEN)

4:45 PM Analysis of HIE ISOLDE cavity results - Akira Miyazaki (CERN)

5:00 PM Nb/Cu cavity development at IMP for the stable operation of high current CW beam - Teng Tan (IMP)

5:15 PM Discussion
4:00 PM - 5:30 PM
Room: Aula C
Contributions

4:00 PM Resonance Control at FNAL - Yuriy Pischalnikov (FNAL)

4:30 PM Microphonics measurement and compensation in SRF cavities - Radoslaw Rybaniec (DESY)

5:00 PM Passive Microphonics Control - Tom Powers (JLAB)
6:00 PM

6:00 PM - 7:30 PM
Room: Sala Consiglio
Wednesday, February 7, 2018
9:00 AM
9:00 AM - 10:30 AM
Room: Aula A
Contributions

9:00 AM Thin film research: CERN experience and possible future applications - Walter Venturini Delsolaro (CERN)

9:30 AM ESS prototype testing and test-stands progress - Roger Ruber (Uppsala University)

10:00 AM SRF technology in China; Infrastructure and industrialization for various projects - Dong Wang (SINAP)
10:30 AM Coffee Break
Coffee Break
10:30 AM - 11:00 AM
Room: Foyer
11:00 AM
11:00 AM - 11:45 AM
Room: Aula A
Contributions

11:00 AM Field Emission Comparison between CW and Pulsed Cryomodules - Olivier Napoly (CEA)

11:15 AM Current Understanding of Field Emission in CEBAF Linac - Rongli Geng (JLAB)

11:30 AM Field Emission Results for LCLS-II Production (VT to CM) - Dan Gonella (SLAC)
11:00 AM - 12:30 PM
Room: Aula C
Contributions

11:00 AM Microphonic Noise and Mechanical Resonances at CMTF and the European XFEL - Andrea Bellandi (DESY)

11:18 AM Individual and vector sum CW operation of X-FEL module in high Ql (6e7) conditions - Wojciech Cichalewski (DMCS)

11:36 AM CEBAF Gradient Team - Clyde Mounts (JLAB)

11:54 AM The challenge of operating a superconducting cavity at 5 Hz bandwidth - Daniel Valuch (CERN)

12:12 PM Early Results of the LCLS-II LLRF System - Alessandro Ratti
11:45 AM
11:45 AM - 12:30 PM
Room: Aula A
Contributions

11:45 AM SRF system for a new 6 GeV synchrotron light source in Beijing - Pei Zhang (IHEP)

12:00 PM Higher Harmonic Cavity for Bessy Upgrade - Andranik Tsakanian (HZB)

12:15 PM Developing 3.9 GHz cavities for CW SCLF - Jinfang Chen (SINAP)
12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM
2:00 PM
2:00 PM - 3:30 PM
Room: Aula A
Contributions

2:00 PM SRF from INFN/Milano - Carlo Pagani (INFN-UNIMI)

2:30 PM New non-accelerator applications of SRF technology - Alexander Romanenko (FNAL)

3:00 PM Summary report on the SRF in a dirty machine workshop - Emmy Sharples (HZB)
3:30 PM Coffee Break
Coffee Break
3:30 PM - 4:00 PM
Room: Foyer
4:00 PM
4:00 PM - 5:40 PM
Room: Aula A
Contributions

4:00 PM Plasma ignition in LCLS-II cavities - Martina Martinello (FNAL)

4:10 PM Multipacting and conditioning cases for EU-XFEL - Denis Kostin (DESY)

4:20 PM Performance recovery on CEBAF - Mike Drury (JLAB)

4:30 PM Performance recovery by using horizontal HPR - Eiji Kako (KEK) Michiru Nishiwaki (KEK)

4:40 PM Strategy for operation and recovery of performance at SNS - John Mammosser (SNS)

4:50 PM Discussion
6:00 PM

6:00 PM - 7:30 PM
Room: Aula D
Thursday, February 8, 2018
9:00 AM
9:00 AM - 10:30 AM
Room: Aula A
Contributions

9:00 AM European-XFEL SC accelelator commissioning and operation - Julien Branlard

9:30 AM Report from TTC topical workshop on "pushing cavity performance limits" - SERGEY BELOMESTNYKH (FNAL)

10:00 AM Frequency dependence of surface resistance and non-equilibrium superconductivity - MARTINA MARTINELLO (FNAL)
10:30 AM Coffee Break
Coffee Break
10:30 AM - 11:00 AM
Room: Foyer
11:00 AM
11:00 AM - 12:30 PM
Room: Aula D
Contributions

11:00 AM Coupler operation and R&D activities at IMP - Tiancai Jiang (IMP)

11:15 AM High Power Main couplers for CW/RF operation - Sergey Kazakov (FNAL)

11:30 AM Main coupler R&D at DESY - Denis Kostin (DESY)

11:45 AM LCLS II cavity HOM coupler tuning and measurements during cold test - Timergali Khabiboulline (FNAL)

12:00 PM Discussion
11:00 AM - 12:30 PM
Room: Aula A
Contributions

11:00 AM Recent results of cavity infusion at DESY - Christopher Bate (University of Hamburg)

11:15 AM N-infusion at KEK / J-PARC - Kensei Umemori (KEK)

11:30 AM Progress in N-infusion at FNAL - Mattia Checchin (FNAL)

11:45 AM Sample study for N-infusion - Guiherme Semione (DESY)

12:00 PM Latest material analysis on state of the art treatments (including doping and infusion cutouts) - Zuwhan Sung (FNAL)

12:15 PM Discussion
12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM
2:00 PM
2:00 PM - 3:30 PM
Room: Aula D
Contributions

2:00 PM Lessons learned from ADS spoke cavity tuners and helium vessels - Mi Zhenghui (IHEP)

2:15 PM Development of Tuners for LCLS-II (1.3 GHz, 3.9 GHz) and PIP II (all cavities) - Yuriy Pischalnikov (FNAL)

2:45 PM MYRRHA SC linac spoke cavity system - Nicolas Gandolfo (IPNO)

3:00 PM C-ADS tuner systems - Tiancai Jiang (IMP)

3:15 PM Discussion
2:00 PM - 3:30 PM
Room: Aula A
Contributions

2:00 PM Nb3Sn from Cornell - Ryan Porter (Cornell University)

2:18 PM Limiting defects on Nb3Sn coating cavity at FNAL - Jae-Yel Lee (Northwestern University)

2:36 PM RF critical field of Nb3Sn and N-doped niobium - Sebastian Keckert (HZB)

2:54 PM Higher gradients by utilizing non-equilibrium superconductivity - Alex Romanenko (FNAL)

3:12 PM Discussion
3:30 PM Coffee Break
Coffee Break
3:30 PM - 4:00 PM
Room: Foyer
4:00 PM
4:00 PM - 5:30 PM
Room: Aula D
Contributions

4:00 PM Spoke cavity cryomodule for C-ADS - Rui Ge (IHEP)

4:15 PM Cryomodule for RIKEN QWR - Kazutaka Ozeki (RIKEN)

4:30 PM IFMIF HWR cryomodule and magnetic shield properties - Juliette Plouin (CEA)

4:45 PM Troubleshooting and stability analysis of CW RF operation at China ADS front-end demo linac - Yuan He (IMP)

5:00 PM JLAB CMTF Fast Cooldown - Naeem Huque

5:10 PM Discussion
4:00 PM - 5:30 PM
Room: Aula C
Contributions

4:00 PM High power coupler - Yasuchika Yamamoto (KEK)

4:15 PM Challenges with PIP-II cryomodule - Allan Rowe (FNAL)

4:30 PM Experience with commissioning of high-Gradient cryomodule for Euro-XFEL - Mathieu Omet (DESY)

4:45 PM LFD compensation for high-gradient cryomodule - Yuriy Pishalnikov (FNAL)

5:00 PM FNAL CM2 with beam - new record - Daniel Broemmelsiek (FNAL)

5:15 PM Discussion on optimum condition for larger beam current operation - John Mammosser (SNS)
6:00 PM

6:00 PM - 7:30 PM
Room: Aula C & D

8:00 PM

8:00 PM - 11:00 PM
Friday, February 9, 2018
9:00 AM
9:00 AM - 10:30 AM
Room: Aula A
Contributions

9:00 AM New energy production pontentialities with SRF Accelerator Driven Systems - Wenlong Zhan (CAS)

9:45 AM New physics potentialities with SRF based XFELs - Jochen Schneider (DESY)
10:30 AM Break
Break
10:30 AM - 10:45 AM
Room: Foyer
10:45 AM
10:45 AM - 12:45 PM
Room: Aula A
Contributions

10:45 AM Summary Talk-1: WG-1 conveners

11:00 AM Summary Talk-2: WG-2 conveners

11:15 AM Summary Talk-3: WG-3 conveners

11:30 AM Summary Talk-4: WG-4 conveners

11:45 AM TB Report - Eiji Kako (KEK)

11:55 AM CB Report - Hasan Padamsee (Cornell)

12:15 PM Closing remarks - Carlo Pagani (MI)
12:45 PM Lunch Break
Lunch Break
12:45 PM - 2:00 PM
Room: Foyer

2:00 PM

2:00 PM - 6:00 PM