Name: TTC Meeting at KEK, December 2 - 5, 2014
Start: 2014-12-02T07:30:00+09:00
End: 2014-12-05T12:30:00+09:00
Location: KEK Tsukuba

TTC Meeting at KEK, December 2 - 5, 2014

from Tuesday, 2 December 2014 (07:30) to Friday, 5 December 2014 (12:30)

Monday, 1 December 2014
Tuesday, 2 December 2014

08:30

08:30 - 08:45
Room: No.4 Building 1F Seminar Hall
08:45 Introduction and update from the last Collaboration Meeting - Olivier Napoly (CEA-Saclay)
Introduction and update from the last Collaboration Meeting
- Olivier Napoly (CEA-Saclay)
08:45 - 09:05
Room: No.4 Building 1F Seminar Hall
09:05 Welcome and Logistics - Hitoshi Hayano (KEK)
Welcome and Logistics
- Hitoshi Hayano (KEK)
09:05 - 09:15
Room: No.4 Building 1F Seminar Hall
09:15 ILC Technical Key issues for realization - Hitoshi Hayano (KEK)
ILC Technical Key issues for realization
- Hitoshi Hayano (KEK)
09:15 - 09:45
Room: No.4 Building 1F Seminar Hall
09:45 Challenge for mass-production of E-XFEL input couplers - Walid kaabi (LAL)
Challenge for mass-production of E-XFEL input couplers
- Walid kaabi (LAL)
09:45 - 10:15
Room: No.4 Building 1F Seminar Hall
10:15

10:15 - 10:25
Room: No.4 Building 1F Seminar Hall

10:25 Coffee break
Coffee break
10:25 - 10:45
Room: No.4 Building 1F Seminar Hall
10:45 Modified TTF3 coupler design and related R&D for LCLS-II - Marc Ross (Fermilab)
Modified TTF3 coupler design and related R&D for LCLS-II
- Marc Ross (Fermilab)
10:45 - 11:15
Room: No.4 Building 1F Seminar Hall
11:15 Technical Progress in ARIEL Electron Linac Comissioning - Robert Laxdal (TRIUMF)
Technical Progress in ARIEL Electron Linac Comissioning
- Robert Laxdal (TRIUMF)
11:15 - 11:45
Room: No.4 Building 1F Seminar Hall
11:45 XFEL cavity production tests and comparison before/after module assembly - Detlef Reschke (DESY)
XFEL cavity production tests and comparison before/after module assembly
- Detlef Reschke (DESY)
11:45 - 12:15
Room: No.4 Building 1F Seminar Hall
12:15 Report from High-Q Working Group - Charles Reece (Jefferson Lab)
Report from High-Q Working Group
- Charles Reece (Jefferson Lab)
12:15 - 12:30
Room: No.4 Building 1F Seminar Hall
12:30

12:30 - 14:00
Room: cafeteria, restaurant, shops
14:00
14:00 - 17:00
Room: No.4 Building 1F Seminar Hall
Contributions

14:00 Spiral2 cryomodule testing - Guillaume Devanz (CEA-Irfu)

14:05 CM2 recent results - Elvin Harms (Fermilab)

14:10 Argonne/ATLAS experience - Elvin Harms (Fermilab)

14:15 Progress in a conduction-cooled superconducting quadrupole magnet - Akira Yamamoto (KEK)

14:20 discussion/questions

14:30 XFEL module test infrastructure and procedure at DESY - Mateusz Wiencek (IFJ PAN)

14:35 JLAB cryomodule testing - Edward Daly (Jefferson Lab)

14:40 ARIEL commissioning - Robert Laxdal (TRIUMF)

14:45 discussion

15:30 E-XFEL module test results - Mateusz Wiencek (IFJ PAN)

15:35 E-XFEL Cavity Vertical vs. Module Test Statistics - Nicholas Walker (DESY)

15:40 E-XFEL module HOM couplers experience - Alexey Sulimov (DESY)

15:45 RF performance in STF2 cryomodule tests - Eiji Kako (KEK)

15:50 Cryogenic performance in STF2 cryomodule tests - Hirotaka NAKAI (KEK)

15:55 First attempt to correlate field emission in vertical cavity testing and cryomodule cavity testing by at-cavity-Xray-detection - Rong-Li Geng (Jefferson Lab)

16:00 ESS Spoke Cryomodule testing preparation in Uppsala - Sebastien Bousson (IPN Orsay)

16:05 discussion
14:01
14:01 - 17:00
Room: No.4 Building 2F room244/245
Contributions

14:01 HTS results on thermoelectric contribution to surface resistance at HZB - Julia Vogt (HZB)

14:20 Impact of cool-down procedure and residual field on high-Q0 at Cornell - Daniel Gonnella (Cornell University)

14:40 Fermilab studies of quality factor changes of a N doped cavity from vertical to dressed horizontal test - Julia Vogt (HZB)

14:55 Efficient cooling with large thermogradients needed for full flux expulsion - Dmitri Sergatskov (Fermilab)

15:15 Results from cool-down experiments at DESY - Aliaksandr Navitski (Deutsches Elektronen Synchrotron)

15:35 Open discussion on cool-down procedure

16:15 Update on N2-doping at FNAL - Oleksandr Melnychuk (Fermilab)

16:25 Update on N2-doping at JLAB - Charles Reece (Jefferson Lab)

16:35 Update on N2-doping at Cornell - Daniel Gonnella (Cornell University)

16:45 Open discussion on surface processing
18:00

18:00 - 19:30
Room: 1F room 127
Wednesday, 3 December 2014
09:00
09:00 - 10:30
Room: No.4 Building 1F Seminar Hall
Contributions

09:00 Cornell cryomodule testing experience - Daniel Gonnella (Cornell University)

09:05 CW vs. pulsed module test at DESY - Jacek Sekutowicz (DESY)

09:10 LCLS-II coupler test results - Andy Hocker (Fermilab)

09:15 LCLS-II cryomodule testing plans - Elvin Harms (Fermilab) Nikolay Solyak (Fermilab)

09:20 discussion

10:00 Summary of WG1
09:01
09:01 - 10:30
Room: No.4 Building 2F room244/245
Contributions

09:01 N2 and Ti doping of ingot Nb cavities - Gianluigi Ciovati (Jefferson Lab)

09:10 Field limit and nano-defects covering material surface - Takayuki Kubo (KEK)

09:20 Open discussion on all WG3 topics (included cooldown influence on Nb/Cu Rs)
10:30 Coffee break
Coffee break
10:30 - 11:00
Room: No.4 Building 1F Seminar Hall
11:00
11:00 - 12:30
Room: No.4 Building 1F Seminar Hall
Contributions

11:00 Introduction - Kay Jensch (DESY)

11:10 Summary of ESS workshop in October "Requirements Conformance for SRF Cryomodule" - Wolfgang Hees (ESS)

11:30 Report on XFEL plans and experience on module→tunnel - Kay Jensch (DESY)

11:50 Introduction of open clean bench of class 1 for (beam line) assembly work - Shinya Maeda (Koken ltd.)

12:10 Report on CEBAF experience with magnetic materials in modules - Rong-Li Geng (Jefferson Lab)
11:00 - 12:30
Room: No.4 Building 2F room244/245
Contributions

11:00 New data on pressure tested niobium materials - Gianluigi Ciovati (Jefferson Lab)

11:10 Niobium production - Rogerio Ribas (CBMM)

11:20 SRF ingot niobium technology past present and future prospects - Ganapati Myneni (ISOHIM)

11:30 Characterization of control of foreign materials on post-machined niobium surface - Rong-Li Geng (Jefferson Lab)

11:40 Surface analysis of Nb cavity after CBP - Alena Prudnikava (Uni Hamburg, DESY)

11:50 Lab EP study on inhomogeneous removal in vertical EP of Niobium cavity - SHIGEKI KATO (KEK)

12:00 Study on vertical EP with Nb coupon cavity - Vijay Chouhan (Marui Galvanizing Co Ltd, Japan)

12:10 Discussion and Summary
12:30

12:30 - 14:00
Room: cafeteria, restaurant, shops
14:00
14:00 - 17:30
Room: No.4 Building 1F Seminar Hall
Contributions

14:00 Actively cooled magnetic shielding in the Spiral2 high beta cryomodules - Sebastien Bousson (IPN Orsay)

14:20 material properties measurement at cold - Juliette Plouin (CEA-Saclay)

14:40 IHEP ILC test cryomodule assembly - Jiyuan Zhai (IHEP)

15:00 Plans for the assembly of the ESS prototype cryomodule: assembly steps, controls and tools - Nicolas BAZIN (CEA)

15:20 SFT2 cryomodule assembly at KEK - Takeshi Yanagisawa (Mitsubishi Heavy Industries, LTD.)

15:40 Updates from SNS concerning plans for Second Target Station project - Sang-ho Kim (Oak Ridge National Laboratory)

16:00 LCLSII plans on "fast-cooling" and controlled thermal gradients to prevent magnetic field trapping (from cryomodule perspective!) - Elvin Harms (Fermilab)

16:20 ESS cryomodule test stands - Wolfgang Hees (ESS)
14:00 - 17:30
Room: No.4 Building 2F room244/245
Contributions

14:00 Open discussion with cavity fabricators based on questions presented

15:00 Lab and Fabricator discussion

16:00 XFEL 3.9GHz cavity fabrication experience - Carlo Pagani (INFN Milano - LASA)

16:10 SRF activities at MHI - Hiroshi HARA (Mitsubishi Heavy Industries, Ltd.)

16:20 Current status of JINR activity on Linear Colliders - Grigori Shirkov (Joint Institute for Nuclear Research)

16:30 Hydroforming SRF cavities from seamless Nb tubes - Masashi Yamanaka (KEK)

16:40 R&D of advanced fabrication method for HOM coupler - Kiyohiko Nohara (Shinohara Press Service Co. Ltd. (SPS))

16:50 New insights into 2nd sound quench evaluation - Yegor Tamashevich (Uni Hamburg / DESY)

17:00 Statistical model for field emitter activation on Niobium to estimate the electron loading in high-gradient accelerating structures - Stefan Lagotzky (Bergische Universität Wuppertal)

17:10 discussion
Thursday, 4 December 2014
09:00
09:00 - 12:30
Room: No.4 Building 1F Seminar Hall
Contributions

09:00 Integrated test at FRIB - Chris Compton (Facility for Rare Isotope Beams (FRIB))

09:08 Dressed spoke cavity test results at FNAL - Andy Hocker (Fermilab)

09:16 Development of spoke012 cavities for China ADS Injector I test cryomodule - Jiyuan Zhai (IHEP)

09:24 Plans for integrated testing at RISP - Hyung Jin Kim (Institute for Basic Science)

09:32 discussion

09:42 Magnetic shielding studies at FRIB - Chris Compton (Facility for Rare Isotope Beams (FRIB))

09:50 Magnetic shielding for China ADS Spoke012 cavity - Jiyuan Zhai (IHEP)

09:58 Magnetic shielding for IFMIF CMs - Nicolas BAZIN (CEA)

10:06 discussion

10:16 coffee break

10:31 Custom welding for post fabrication frequency tuning - Chris Compton (Facility for Rare Isotope Beams (FRIB))

10:39 Fabrication and post-fabrication steps for reaching target freq in spoke cavities - Leonardo Ristori (Fermilab) Timergali Khabiboulline (Fermilab)

10:47 Frequency control of spoke012 cavities - Jiyuan Zhai (IHEP)

10:55 Resonance control/microphonics in spoke cavities - Yuriy Pischalnikov (Fermilab)

11:03 Reaching goal freq in IFMIF HWRs - Nicolas BAZIN (CEA)

11:11 Reaching goal freq in Spiral2 QWR: results - Sebastien Bousson (IPN Orsay)

11:19 discussion

11:29 Prototype cavities and cyromodule development for HL-LHC crab cavities - Rama Calaga (CERN)

11:44 Compact quarter wave crab cavity: design, fabrication and testing challenges - Sergey Belomestnykh (Brookhaven National Laboratory)

11:59 Development of multi-cell SC deflection cavity with no HOM-couplers for LCLS-II and PIP-III projects - Andrei Lunin (FNAL)

12:09 Development of SC spoke cavity for electron accelerator in Japan - Multipactor simulation of 325MHz SC spoke cavity - Masaru Sawamura (JAEA) Takayuki Kubo (KEK)
09:00 - 12:30
Room: No.4 Building 2F room244/245
Contributions

09:00 Review of world-wide tuner designs and developments - Eiji Kako (KEK)

09:20 Tuner development at CEA-Saclay - Guillaume Devanz (CEA-Irfu)

09:35 Tuner development at CERN - Kurt Artoos (CERN)

09:50 Development of LCLS-II tuner - Yuriy Pischalnikov (Fermilab)

10:05 Piezo radiation resistance - Nicolas Gandolfo (IPN Orsay)

10:20 discussion

10:30 Challenge for mass production of E-XFEL input couplers - Walid kaabi (LAL)

10:35 Modified TTF3 coupler design and related R&D for LCLS-II - Marc Ross (Fermilab)

10:40 IFMIF power coupler conditioning test results - Hassen JENHANI (IRFU/CEA)

10:52 Study of low SEE coefficient Alumina for SRF Power-Coupler Window - Koichi Iwamoto (KYOCERA Corporation)

11:04 Fabrication of STF-type couplers plug-compatible with TTF3-type couplers - OSAMU YUSHIRO (Toshiba -TETD)

11:16 HOM power challenge for CEPC - Jiyuan Zhai (IHEP)

11:28 discussion
12:30

12:30 - 13:30
Room: cafeteria, restaurant, shops

13:30

13:30 - 14:30
Room: No.4 Building 1F room 127

14:30

14:30 - 17:00
Room: STF, cERL, CFF

14:30 - 16:30
Room: No.4 Building 1F Seminar Hall

16:30

16:30 - 18:00
Room: No.4 Building 1F Seminar Hall

18:15

18:15 - 18:16
Room: No.4 Building 1F Seminar Hall

19:00

19:00 - 21:00
Friday, 5 December 2014
09:00 Summary of HOMSC14 Workshop - Jacek Sekutowicz (DESY)
Summary of HOMSC14 Workshop
- Jacek Sekutowicz (DESY)
09:00 - 09:20
Room: No.4 Building 1F Seminar Hall
09:20 Summary of Clean Room Assembly Workshop - Catherine MADEC (CEA-SAclay)
Summary of Clean Room Assembly Workshop
- Catherine MADEC (CEA-SAclay)
09:20 - 09:40
Room: No.4 Building 1F Seminar Hall
09:40 Summary of Thin Film Workshop - Enzo Palmieri (INFN - LNL)
Summary of Thin Film Workshop
- Enzo Palmieri (INFN - LNL)
09:40 - 10:00
Room: No.4 Building 1F Seminar Hall
10:00 Summary Talk, WG1 (Module Tests and Procedures) - Elvin Harms (Fermilab) Denis Kostin (DESY)
Summary Talk, WG1 (Module Tests and Procedures)
- Elvin Harms (Fermilab)
- Denis Kostin (DESY)
10:00 - 10:15
Room: No.4 Building 1F Seminar Hall
10:15 Summary Talk, WG2 (Module Assembly -post clean room) - Sang-ho Kim (Oak Ridge National Laboratory) Paolo Pierini (INFN Sezione di Milano - LASA) Serena Barbanotti (DESY) Kay Jensch (DESY)
Summary Talk, WG2 (Module Assembly -post clean room)
- Sang-ho Kim (Oak Ridge National Laboratory)
- Paolo Pierini (INFN Sezione di Milano - LASA)
- Serena Barbanotti (DESY)
- Kay Jensch (DESY)
10:15 - 10:30
Room: No.4 Building 1F Seminar Hall
10:30 Coffee break
Coffee break
10:30 - 11:00
Room: No.4 Building 1F Seminar Hall
11:00 Summary Talk, WG3 (High Qo) - Gianluigi Ciovati (Jefferson Lab) Detlef Reschke (DESY) Charles Reece (Jefferson Lab)
Summary Talk, WG3 (High Qo)
- Gianluigi Ciovati (Jefferson Lab)
- Detlef Reschke (DESY)
- Charles Reece (Jefferson Lab)
11:00 - 11:15
Room: No.4 Building 1F Seminar Hall
11:15 Summary Talk, WG4 (Cavity Fabrication and Preparation) - Kensei Umemori (KEK) John Mammosser (ORNL/SNS)
Summary Talk, WG4 (Cavity Fabrication and Preparation)
- Kensei Umemori (KEK)
- John Mammosser (ORNL/SNS)
11:15 - 11:30
Room: No.4 Building 1F Seminar Hall
11:30 Summary Talk, WG5 (Low beta and Crab Cavities) - Sebastien Bousson (IPN Orsay) Robert Laxdal (TRIUMF) Jiyuan Zhai (IHEP)
Summary Talk, WG5 (Low beta and Crab Cavities)
- Sebastien Bousson (IPN Orsay)
- Robert Laxdal (TRIUMF)
- Jiyuan Zhai (IHEP)
11:30 - 11:45
Room: No.4 Building 1F Seminar Hall
11:45 Summary Talk, WG6 (Peripheral Key Components) - Akira Yamamoto (KEK) Guillaume Devanz (CEA-Irfu)
Summary Talk, WG6 (Peripheral Key Components)
- Akira Yamamoto (KEK)
- Guillaume Devanz (CEA-Irfu)
11:45 - 12:00
Room: No.4 Building 1F Seminar Hall
12:00 TB report - Eiji Kako (KEK)
TB report
- Eiji Kako (KEK)
12:00 - 12:10
Room: No.4 Building 1F Seminar Hall
12:10 CB report - Olivier Napoly (CEA-Saclay)
CB report
- Olivier Napoly (CEA-Saclay)
12:10 - 12:25
Room: No.4 Building 1F Seminar Hall
12:25 Closing - Olivier Napoly (CEA-Saclay)
Closing
- Olivier Napoly (CEA-Saclay)
12:25 - 12:30
Room: No.4 Building 1F Seminar Hall