International Workshop on Breakdown Science and High Gradient Technology (HG2012 is an ICFA mini-workshop)

from Wednesday, April 18, 2012 (8:45 AM) to Friday, April 20, 2012 (5:00 PM)
KEK Tsukuba (Kenkyuhonkan 1F Kobayashi Hall)

        : Sessions
    /     : Talks
        : Breaks
Apr 18, 2012
Apr 19, 2012
Apr 20, 2012
AM
8:30 AM --- Registration ---
9:00 AM Opening address - Prof. Shin-ichi KUROKAWA   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
9:10 AM Status and objectives of the CLIC X-band activity - Dr Walter Wuensch   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
9:25 AM Report from SLAC - Dr S Tantawi   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
9:40 AM Nextef results & status - Dr Higo Toshiyasu   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
9:55 AM Discussion of workshop mission and information of practical issues   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
10:10 AM --- Coffee ---
10:30 AM Directions for CLIC structures: Lower energy machines and overview of damping alternatives - Alexej Grudiev (CERN)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
10:50 AM Choke mode structure development - Dr Jiaru Shi   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
11:10 AM Overview of The Status of Higher Order Mode Suppression with a Damped Detuned Linac for CLIC: CLIC_DDS - Dr Roger Jones   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
11:30 AM Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
11:40 AM --- Lunch ---
9:00 AM Atomistic approach in simulations of electrical breakdowns on metal surfaces - Dr Flyura Djurabekova   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
9:20 AM State of 3D Vacuum Arc Discharge Simulation via PIC-DSMC - Dr Matthew Hopkins   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
9:40 AM Recent computational results for rf breakdown mitigation - Dr Zeke Insepov   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
10:00 AM Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
10:10 AM --- Coffee ---
10:30 AM 20 K cold RF gun - Dr Vladimir Vogel   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
10:50 AM Operating experience of J-PARC RFQs - Dr Yasuhiro Kondo   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
11:10 AM Ignition of unipolar arcing using nanostructured tungsten - Dr Shin Kajita   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
11:30 AM Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
11:40 AM --- Lunch ---
9:00 AM Precise machining of CLIC structure - Sandrine LECUREUIL (MECACHROME FRANCE)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
9:20 AM Manufacturability & industrialization (cont control, yield optimizaiton, cycle time improvement) - Dr Hans PRIEM   (Kenkyuhonkan 1F Kobayashi Hall)
9:40 AM Progress on TD24 accelerating structures fabrication and wakefield monitor experiment preparation - Mr Franck Peauger (CEA - Centre d'Etudes de Saclay (FR))   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
10:00 AM Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
10:10 AM --- Coffee ---
10:30 AM Report on X-band klystron commissioning - Jan Kovermann (III. Physikalisches Institut (B) - Rheinisch-Westfaelische Tech.)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
10:50 AM Experience with X-band at FERMI@Elettra FEL - Dr Geraldo D'Auria   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
11:10 AM 10MW X-band klystron development (Mitsubishi electric or by Mitsuhiro Yoshida (KEK)) - Dr Kiyohiko Yoshida   (Kenkyuhonkan 1F Kobayashi Hall)
11:30 AM Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
11:40 AM --- Lunch ---
PM
1:00 PM Breakdown Study on An L-band 5-Cell SW Structure - Dr Faya Wang   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
1:15 PM Detuning of high-power tested structures - explained! - Dr Jiaru Shi   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
1:30 PM Summary of progress towards CLIC goals and next steps - Dr Steffen Doebert   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
1:45 PM High graidnet results from single-cell setup - Dr Valery Dolgashev (SLAC)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
2:00 PM Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
2:10 PM --- Coffee ---
2:30 PM The high power demonstration of the PETS ON/OFF operation - Igor Syratchev (CERN)   (Kenkyuhonkan 1F Kobayashi Hall)
Poster
Slides
2:50 PM Some interesting results and analysis from CTF3 - Mr Wilfrid Farabolini (CEA DAPNIA)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
3:10 PM AWA high current beam for 10 - 100 GHz RF generations - Dr Wei Gai (Argonne National Laboratory)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
3:30 PM Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
3:40 PM Tour CFF (Superconducting Cavity Fabrication Facility) - Kenji Ueno (KEK)   ()
3:40 PM Tour Nextef (New X-band Test Facility) - Dr Shuji Matsumoto (KEK)   ()
5:30 PM --- Welcome Party ---
12:45 PM
Workshop Photo Session (until 1:00 PM) (Kenkyuhonkan 1F Kobayashi Hall)
1:00 PM Recent results from in situ field emission measurements in the SEM at Uppsala University - Dr Tomoko Muranaka   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
1:20 PM Development of Field Emitter Scanner under SEM Observation - Dr Shigeki Kato   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
1:40 PM Field Emission Study inside an SEM - Dr Lisa Laurent   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
2:00 PM Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
2:10 PM --- Coffee ---
2:30 PM 3.6-cell RF Gun for LUCX - Dr Masafumi Fukuda   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
2:50 PM High gradient performance of RF gun and S-band accelerator structure for dark current reduction - Dr Tsutomu Taniuchi   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
3:10 PM High gradient performance of C-band accelerator in SACLA - Dr Takahiro Inagaki   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
3:30 PM Fabrication and Measurement Issues for High Gradient Test Accelerator Structures - Dr Juwen Wang (SLAC)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
3:40 PM
Poster (until 5:00 PM) ()
1:00 PM Multi purpose X Band structure (fabrication, testing, first practical experiences) - Dr Micha Dehler (PSI)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
1:20 PM Commissioning of On-site Partial CT Evaluation of 950 keV and 3.95 MeV X-band linac X-ray sources - Dr Mitsuru Uesaka   (Kenkyuhonkan 1F Kobayashi Hall)
1:40 PM X-band accelerator systems for medical and industrial applications - Eiji Tanabe   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
2:00 PM Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
2:10 PM --- Coffee ---
2:30 PM Chanlenges and Progress on high gradient dielectric structures - Dr Jing Chunguang   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
2:50 PM Klystron-based X-band LC - Radoje Belusevic (KEK)   (Kenkyuhonkan 1F Kobayashi Hall)
3:10 PM CLIC project perspective - Steinar Stapnes (CERN)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
3:30 PM Conclusion   (Kenkyuhonkan 1F Kobayashi Hall)
3:40 PM
Informal meeting (until 5:00 PM) (Kenkyuhonkan 1F Kobayashi Hall)