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

from Wednesday, 18 April 2012 (08:45) to Friday, 20 April 2012 (17:00)
KEK Tsukuba (Kenkyuhonkan 1F Kobayashi Hall)

        : Sessions
    /     : Talks
        : Breaks
18 Apr 2012
19 Apr 2012
20 Apr 2012
AM
08:30 --- Registration ---
09:00 Opening address - Prof. Shin-ichi KUROKAWA   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
09:10 Status and objectives of the CLIC X-band activity - Dr Walter Wuensch   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
09:25 Report from SLAC - Dr S Tantawi   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
09:40 Nextef results & status - Dr Higo Toshiyasu   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
09:55 Discussion of workshop mission and information of practical issues   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
10:10 --- Coffee ---
10:30 Directions for CLIC structures: Lower energy machines and overview of damping alternatives - Alexej Grudiev (CERN)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
10:50 Choke mode structure development - Dr Jiaru Shi   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
11:10 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 Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
11:40 --- Lunch ---
09:00 Atomistic approach in simulations of electrical breakdowns on metal surfaces - Dr Flyura Djurabekova   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
09:20 State of 3D Vacuum Arc Discharge Simulation via PIC-DSMC - Dr Matthew Hopkins   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
09:40 Recent computational results for rf breakdown mitigation - Dr Zeke Insepov   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
10:00 Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
10:10 --- Coffee ---
10:30 20 K cold RF gun - Dr Vladimir Vogel   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
10:50 Operating experience of J-PARC RFQs - Dr Yasuhiro Kondo   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
11:10 Ignition of unipolar arcing using nanostructured tungsten - Dr Shin Kajita   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
11:30 Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
11:40 --- Lunch ---
09:00 Precise machining of CLIC structure - Sandrine LECUREUIL (MECACHROME FRANCE)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
09:20 Manufacturability & industrialization (cont control, yield optimizaiton, cycle time improvement) - Dr Hans PRIEM   (Kenkyuhonkan 1F Kobayashi Hall)
09:40 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 Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
10:10 --- Coffee ---
10:30 Report on X-band klystron commissioning - Jan Kovermann (III. Physikalisches Institut (B) - Rheinisch-Westfaelische Tech.)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
10:50 Experience with X-band at FERMI@Elettra FEL - Dr Geraldo D'Auria   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
11:10 10MW X-band klystron development (Mitsubishi electric or by Mitsuhiro Yoshida (KEK)) - Dr Kiyohiko Yoshida   (Kenkyuhonkan 1F Kobayashi Hall)
11:30 Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
11:40 --- Lunch ---
PM
13:00 Breakdown Study on An L-band 5-Cell SW Structure - Dr Faya Wang   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
13:15 Detuning of high-power tested structures - explained! - Dr Jiaru Shi   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
13:30 Summary of progress towards CLIC goals and next steps - Dr Steffen Doebert   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
13:45 High graidnet results from single-cell setup - Dr Valery Dolgashev (SLAC)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
14:00 Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
14:10 --- Coffee ---
14:30 The high power demonstration of the PETS ON/OFF operation - Igor Syratchev (CERN)   (Kenkyuhonkan 1F Kobayashi Hall)
Poster
Slides
14:50 Some interesting results and analysis from CTF3 - Mr Wilfrid Farabolini (CEA DAPNIA)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
15:10 AWA high current beam for 10 - 100 GHz RF generations - Dr Wei Gai (Argonne National Laboratory)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
15:30 Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
15:40 Tour CFF (Superconducting Cavity Fabrication Facility) - Kenji Ueno (KEK)   ()
15:40 Tour Nextef (New X-band Test Facility) - Dr Shuji Matsumoto (KEK)   ()
17:30 --- Welcome Party ---
12:45
Workshop Photo Session (until 13:00) (Kenkyuhonkan 1F Kobayashi Hall)
13:00 Recent results from in situ field emission measurements in the SEM at Uppsala University - Dr Tomoko Muranaka   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
13:20 Development of Field Emitter Scanner under SEM Observation - Dr Shigeki Kato   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
13:40 Field Emission Study inside an SEM - Dr Lisa Laurent   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
14:00 Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
14:10 --- Coffee ---
14:30 3.6-cell RF Gun for LUCX - Dr Masafumi Fukuda   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
14:50 High gradient performance of RF gun and S-band accelerator structure for dark current reduction - Dr Tsutomu Taniuchi   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
15:10 High gradient performance of C-band accelerator in SACLA - Dr Takahiro Inagaki   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
15:30 Fabrication and Measurement Issues for High Gradient Test Accelerator Structures - Dr Juwen Wang (SLAC)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
15:40
Poster (until 17:00) ()
13:00 Multi purpose X Band structure (fabrication, testing, first practical experiences) - Dr Micha Dehler (PSI)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
13:20 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)
13:40 X-band accelerator systems for medical and industrial applications - Eiji Tanabe   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
14:00 Discussion   (Kenkyuhonkan 1F Kobayashi Hall)
14:10 --- Coffee ---
14:30 Chanlenges and Progress on high gradient dielectric structures - Dr Jing Chunguang   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
14:50 Klystron-based X-band LC - Radoje Belusevic (KEK)   (Kenkyuhonkan 1F Kobayashi Hall)
15:10 CLIC project perspective - Steinar Stapnes (CERN)   (Kenkyuhonkan 1F Kobayashi Hall)
Slides
15:30 Conclusion   (Kenkyuhonkan 1F Kobayashi Hall)
15:40
Informal meeting (until 17:00) (Kenkyuhonkan 1F Kobayashi Hall)