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 20 May 2018 (08:00) to Thursday 24 May 2018 (18:00)

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

18:00

18:00 - 20:00
Room: La Puntilla

Monday 21 May 2018

08:15 Welcome and Opening Remarks
Welcome and Opening Remarks
08:15 - 08:30
Room: La Puntilla
08:30
08:30 - 10:00
Contributions

08:30 Applications of High-Gradient Accelerators - Walter Wuensch (CERN)

09:00 Review of high voltage breakdown: from multipactor to ionization discharge* - J. Verboncoeur (Michigan State University)

09:30 Advancing electrode models for PIC-DSMC simulation of discharge between real electrodes - Chris Moore (Sandia National Labs)
10:00

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

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

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

11:30 - 13:30
13:30
13:30 - 14:30
Room: La Puntilla
Contributions

13:30 Do Cracks and Unipolar Arcs explain vacuum breakdown and gradient limits? - Jim Norem (Nano Synergy Inc)

14:00 Simulations of Multi-Phase Processes of Arc Interaction with Electrodes - Vladimir Kolobov (CFD Research Corporation)
14:30

14:30 - 15:00
15:00
15:00 - 16:30
Room: La Puntilla
Contributions

15:00 Electrical vacuum breakdowns in large-gap DC-setup: experiment versus theory - Flyura Djurabekova (University of Helsinki)

15:30 Spectroscopic study of high-current vacuum arcs considering anode activity - Sergey Gorchakov (Leibniz Institute for Plasma Science and Technology)

16:00 Photon-assisted Plasma Breakdown Studies in Plane to Plane Discharges - Ed Barnat (Sandia National Laboratories)
17:00

17:00 - 19:00
Room: La Puntilla
Tuesday 22 May 2018
08:30
08:30 - 10:00
Room: La Puntilla
Contributions

08:30 Dynamic Coupling of a Finite Element Solver to Large-Scale Atomistic Simulations - Mihkel Veske (University of Helsinki)

09:00 Thermal runaway of intensively field-emitting metal tips. - Andreas Kyritsakis

09:30 Stochastic model of breakdown nucleation under intense electric fields - Eli Engelberg (The Hebrew University of Jerusalem)
10:00

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

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

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

11:30 - 13:30
13:30
13:30 - 15:00
Room: La Puntilla
Contributions

13:30 Update on high-power testing of X-band RF structures at CERN - Jan Paszkiewicz (University of Oxford (GB))

14:00 Recent Results of X-Band High-Gradient Tests at KEK / Nextef - Tetsuo Abe (High Energy Accelerator Research Organization (KEK))

14:30 Autopsy of cryogenic normal conducting X-band cavity - Valery Dolgashev (SLAC)
15:00 ITER status
ITER status
15:00 - 15:45

16:00 Social Excursion
Social Excursion
16:00 - 20:00
Wednesday 23 May 2018
08:30
08:30 - 10:00
Room: La Puntilla
Contributions

08:30 Constraints on stochastic plastic activity as a source for BD nucleation - Yinon Ashkenazy (The Hebrew University of Jerusalem (IL))

09:00 Copper Measurements with High Frequency Ultrasound Microscope - Antti Meriläinen (Helsinki Institute of Physics (FI))

09:30 Microscopy at CERN - Enrique Rodriguez Castro (CERN)
10:00

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

10:30 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 Droplet emission from non-refractory cathodes: From vacuum arcs to ultra-high-pressure arcs - Valerian Nemchinsky (Keiser University)
11:30

11:30 - 13:30
13:30
13:30 - 14:30
Room: La Puntilla
Contributions

13:30 Study of a low-pressure high voltage switch triggered by laser-surface interaction - Andrew Fierro (Sandia National Laboratories)

14:00 Computing properties of Pt surfaces for understanding electron emission - Peter Schultz (Sandia)
14:30

14:30 - 15:00
15:00
15:00 - 16:30
Room: La Puntilla
Contributions

15:00 The Effects of Non-Uniform Work Functions on Field Emission - Harold Hjalmarson (Sandia National Laboratories)

15:30 Imaging Dark Current at Microscale - Sergey Baryshev (Michigan State University)

16:00 Dark current fluctuation measurements in RF structures and pulsed DC experiments - Jan Paszkiewicz (University of Oxford (GB))
17:30 Banquet
Banquet
17:30 - 22:00
Room: La Puntilla
Thursday 24 May 2018
08:30
08:30 - 10:00
Room: La Puntilla
Contributions

08:30 Nanotip-formation processes in electric fields - Ville Jansson (University of Helsinki)

09:00 Experiments and simulations of nanoscale surface-field interaction - Simon Vigonski (University of Tartu)

09:30 Artificial neural networks for Cu surface migration barrier prediction - Jyri Lahtinen
10:00

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

10:30 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 Mitigation of High Field Corona Losses by Surface Treatments - Zeke Insepov (Purdue University)
11:30

11:30 - 13:30
13:30
13:30 - 15:00
Room: La Puntilla
Contributions

13:30 High-field measurements with kHz repetition rate, microsecond dc pulses - Iaroslava Profatilova (CERN)

14:00 Characteristics and statistics of breakdowns on copper electrodes - Anton Saressalo (Helsinki Institute of Physics (FI))

14:30 Sputtering in the heat spike and high-temperature regimes - Kai Nordlund (University of Helsinki)
15:00 Closing and next MeVArc announcement
Closing and next MeVArc announcement
15:00 - 15:15
Room: La Puntilla

15:15

15:15 - 15:45

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