Name: 7th International Workshop on Mechanisms of Vacuum Arcs (MeVArc 2018)
Start: 2018-05-20T08:00:00-04:00
End: 2018-05-24T18:00:00-04:00
Location: Other Institutes

7th International Workshop on Mechanisms of Vacuum Arcs (MeVArc 2018)

from Sunday, May 20, 2018 (8:00 AM) to Thursday, May 24, 2018 (6:00 PM)

Monday, May 14, 2018
Tuesday, May 15, 2018
Wednesday, May 16, 2018
Thursday, May 17, 2018
Friday, May 18, 2018
Saturday, May 19, 2018
Sunday, May 20, 2018

6:00 PM

6:00 PM - 8:00 PM
Room: La Puntilla

Monday, May 21, 2018

8:15 AM Welcome and Opening Remarks
Welcome and Opening Remarks
8:15 AM - 8:30 AM
Room: La Puntilla
8:30 AM
8:30 AM - 10:00 AM
Contributions

8:30 AM Applications of High-Gradient Accelerators - Walter Wuensch (CERN)

9:00 AM Review of high voltage breakdown: from multipactor to ionization discharge* - J. Verboncoeur (Michigan State University)

9:30 AM Advancing electrode models for PIC-DSMC simulation of discharge between real electrodes - Chris Moore (Sandia National Labs)
10:00 AM

10:00 AM - 10:30 AM
10:30 AM
10:30 AM - 11:30 AM
Room: La Puntilla
Contributions

10:30 AM Nanoscopic and Surface Aspects of Field Emission and Vacuum Arcs - Marek Jacewicz (Uppsala University (SE))

11:00 AM CHARACTERIZING THE INFLUENCE OF ELECTRODE SURFACE MORPHOLOGY ON FIELD EMISSION - Morgann Berg (Sandia National Laboratories)
11:30 AM

11:30 AM - 1:30 PM
1:30 PM
1:30 PM - 2:30 PM
Room: La Puntilla
Contributions

1:30 PM Do Cracks and Unipolar Arcs explain vacuum breakdown and gradient limits? - Jim Norem (Nano Synergy Inc)

2:00 PM Simulations of Multi-Phase Processes of Arc Interaction with Electrodes - Vladimir Kolobov (CFD Research Corporation)
2:30 PM

2:30 PM - 3:00 PM
3:00 PM
3:00 PM - 4:30 PM
Room: La Puntilla
Contributions

3:00 PM Electrical vacuum breakdowns in large-gap DC-setup: experiment versus theory - Flyura Djurabekova (University of Helsinki)

3:30 PM Spectroscopic study of high-current vacuum arcs considering anode activity - Sergey Gorchakov (Leibniz Institute for Plasma Science and Technology)

4:00 PM Photon-assisted Plasma Breakdown Studies in Plane to Plane Discharges - Ed Barnat (Sandia National Laboratories)
5:00 PM

5:00 PM - 7:00 PM
Room: La Puntilla
Tuesday, May 22, 2018
8:30 AM
8:30 AM - 10:00 AM
Room: La Puntilla
Contributions

8:30 AM Dynamic Coupling of a Finite Element Solver to Large-Scale Atomistic Simulations - Mihkel Veske (University of Helsinki)

9:00 AM Thermal runaway of intensively field-emitting metal tips. - Andreas Kyritsakis

9:30 AM Stochastic model of breakdown nucleation under intense electric fields - Eli Engelberg (The Hebrew University of Jerusalem)
10:00 AM

10:00 AM - 10:30 AM
10:30 AM
10:30 AM - 11:30 AM
Room: La Puntilla
Contributions

10:30 AM CURRENT SIGNALS AND X-RAYS SPECTRA ANALYSIS FOR A VACUUM HIGH VOLTAGE HOLDING EXPERIMENT - silvia spagnolo (consorzio rfx)

11:00 AM Updated Results of Breakdown Study for a 509-MHz CW Accelerating Cavity based on Direct In-situ Observation - Tetsuo Abe (KEK)
11:30 AM

11:30 AM - 1:30 PM
1:30 PM
1:30 PM - 3:00 PM
Room: La Puntilla
Contributions

1:30 PM Update on high-power testing of X-band RF structures at CERN - Jan Paszkiewicz (University of Oxford (GB))

2:00 PM Recent Results of X-Band High-Gradient Tests at KEK / Nextef - Tetsuo Abe (High Energy Accelerator Research Organization (KEK))

2:30 PM Autopsy of cryogenic normal conducting X-band cavity - Valery Dolgashev (SLAC)
3:00 PM ITER status
ITER status
3:00 PM - 3:45 PM

4:00 PM Social Excursion
Social Excursion
4:00 PM - 8:00 PM
Wednesday, May 23, 2018
8:30 AM
8:30 AM - 10:00 AM
Room: La Puntilla
Contributions

8:30 AM Constraints on stochastic plastic activity as a source for BD nucleation - Yinon Ashkenazy (The Hebrew University of Jerusalem (IL))

9:00 AM Copper Measurements with High Frequency Ultrasound Microscope - Antti Meriläinen (Helsinki Institute of Physics (FI))

9:30 AM Microscopy at CERN - Enrique Rodriguez Castro (CERN)
10:00 AM

10:00 AM - 10:30 AM
10:30 AM
10:30 AM - 11:30 AM
Room: La Puntilla
Contributions

10:30 AM Modeling of Cathode Spot Crater Formation and Development on pure Cu and CuCr alloy in Vacuum Arc - Lijun Wang (Xi'an Jiaotong University)

11:00 AM Droplet emission from non-refractory cathodes: From vacuum arcs to ultra-high-pressure arcs - Valerian Nemchinsky (Keiser University)
11:30 AM

11:30 AM - 1:30 PM
1:30 PM
1:30 PM - 2:30 PM
Room: La Puntilla
Contributions

1:30 PM Study of a low-pressure high voltage switch triggered by laser-surface interaction - Andrew Fierro (Sandia National Laboratories)

2:00 PM Computing properties of Pt surfaces for understanding electron emission - Peter Schultz (Sandia)
2:30 PM

2:30 PM - 3:00 PM
3:00 PM
3:00 PM - 4:30 PM
Room: La Puntilla
Contributions

3:00 PM The Effects of Non-Uniform Work Functions on Field Emission - Harold Hjalmarson (Sandia National Laboratories)

3:30 PM Imaging Dark Current at Microscale - Sergey Baryshev (Michigan State University)

4:00 PM Dark current fluctuation measurements in RF structures and pulsed DC experiments - Jan Paszkiewicz (University of Oxford (GB))
5:30 PM Banquet
Banquet
5:30 PM - 10:00 PM
Room: La Puntilla
Thursday, May 24, 2018
8:30 AM
8:30 AM - 10:00 AM
Room: La Puntilla
Contributions

8:30 AM Nanotip-formation processes in electric fields - Ville Jansson (University of Helsinki)

9:00 AM Experiments and simulations of nanoscale surface-field interaction - Simon Vigonski (University of Tartu)

9:30 AM Artificial neural networks for Cu surface migration barrier prediction - Jyri Lahtinen
10:00 AM

10:00 AM - 10:30 AM
10:30 AM
10:30 AM - 11:30 AM
Room: La Puntilla
Contributions

10:30 AM Mitigation of the breakdown induced effects on the 1 MeV – 16.5 MW Neutral Beam Injector experiment in Padova - Antonio De Lorenzi (Consorzio RFX - )

11:00 AM Mitigation of High Field Corona Losses by Surface Treatments - Zeke Insepov (Purdue University)
11:30 AM

11:30 AM - 1:30 PM
1:30 PM
1:30 PM - 3:00 PM
Room: La Puntilla
Contributions

1:30 PM High-field measurements with kHz repetition rate, microsecond dc pulses - Iaroslava Profatilova (CERN)

2:00 PM Characteristics and statistics of breakdowns on copper electrodes - Anton Saressalo (Helsinki Institute of Physics (FI))

2:30 PM Sputtering in the heat spike and high-temperature regimes - Kai Nordlund (University of Helsinki)
3:00 PM Closing and next MeVArc announcement
Closing and next MeVArc announcement
3:00 PM - 3:15 PM
Room: La Puntilla

3:15 PM

3:15 PM - 3:45 PM

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