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

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