7th Meeting on Runaway Electron Modelling (REM) 15-18 January 2019

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7th Meeting on Runaway Electron Modelling (REM) 15-18 January 2019
7th Meeting on
       Runaway Electron Modelling (REM)
                        15-18 January 2019

                                    organized by the
                     Plasma Theory group, Department of Physics

The aim of the meeting is to make progress on projects of common interest in the mod-
elling of fast electron dynamics in plasmas.

Participants

Allen Boozer, Columbia University, USA
Philippa Browning, Manchester University, UK
Roger Jaspers, Eindhoven University, Netherlands
Yves Peysson, CEA, France
Håkan Smith, IPP, Greifswald, Germany
Joan Decker, Cristian Sommariva, EPFL, Switzerland
Jack Connor, Sarah Newton, John Omotani Culham Centre for Fusion Energy, UK
Katya Richards UC London, UK
Gergely Papp, Andrej Lier, Oliver Linder IPP Garching, Germany
Gergő Pokol, Soma Olasz, BME Budapest, Hungary
Alex Tinguely, MIT, USA
Meriem Alaoui Abdalloui, NASA/GSFC, USA
Zana Popovic, Universidad Carlos III de Madrid, Spain
Volodymyr Bochko, Karazin University, Ukraine
Eva Macusova, Andrea Casolari, Jaroslav Cerovsky, Michal Farnik, Ondrej
Ficker, IPP Prague, Czech Republic
Ola Embréus, Mathias Hoppe, Linnea Hesslow, Klara Insulander Björk, Lucas
Unnerfelt, Oskar Vallhagen, Albert Johansson, Tünde Fülöp, Chalmers

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7th Meeting on Runaway Electron Modelling (REM) 15-18 January 2019
Programme

The talks should be approximately 30 minutes, to allow 15 minutes for discussion.

Tuesday

8:40 Meeting in the lobby of hotel Poseidon for those who want to go together to Chalmers
9:00 Meeting in the coffee room at Chalmers
9:45 Tünde Fülöp: General introduction, presentation of programme
Theme: Electron acceleration and radiation emission in solar flares + reduced kinetic
modelling
10:15-11:00 Philippa Browning: Particle acceleration and gyrosynchrotron emission in
solar flares
11:00-11:45 Meriem Allaoui Abdalloui: Electron runaway model for return currents
associated with accelerated electron beams in solar flares
11:45-12:30 Linnea Hesslow: Reduced kinetic modelling of runaway electrons
12:30 Lunch (Wijkanders)
14:00 Allen Boozer: Magnetic surface loss and electron runaway
14:45-15:00 Short break
15:00: Sarah Newton: Transport and power exhaust in fusion plasmas (Promotion talk
for the title Adjunct Associate Professor)
15:45-16:15 Coffee and cake
16:15 John Omotani: Scrape-off-layer filaments and turbulence with STORM

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7th Meeting on Runaway Electron Modelling (REM) 15-18 January 2019
Wednesday

9:15 Everyone: spontaneous comments (3 mins/pers)
Theme: Runaway experiments and comparison with modelling
10:00 Gergely Papp: Discussion of the Medium Sized Tokamaks runaway program: re-
sults and future plans
10:45-11:00 Coffee break
11:00 Eva Macusova & Andrea Casolari: Theory and modelling of the impact of
MHD and RMPs on RE dynamics and its comparison with experiments on COMPASS
11:45 Alex Tinguely: Experimental and synthetic (SOFT) measurements of polarized
synchrotron emission from runaway electrons
12:30 Lunch (Wijkanders)
Theme: Radiation diagnostics
14:00 Ondrej Ficker: Runaway electron beam diagnostics with special focus on syn-
chrotron radiation and radiation tomography
14:45-15:15 Coffee
15:15 Michal Farnik: Recent results from the V-ECE diagnostics of low energy runaways
16:00-17:00 Self-organized discussion session (Nexus, 4112, PJ, lunchroom etc)
19:30 Dinner at Totale, Kristinelundsgatan 3, www.totale.se

                                           3
Thursday

9:15 Everyone: spontaneous comments
Theme: Reconnection, transport, interaction with neutrals
10:00 Allen Boozer: Fast magnetic reconnection and the ideal evolution of a magnetic
field
10:45 Coffee break
11:00 Oliver Linder: Modelling the impact of massive gas injection on runaway electron
generation with transport solvers
11:45 Gergő Pokol: Runaway electron modelling in the European Transport Solver
(ETS)
12:30 Lunch (Wijkanders)
14:00 Jaroslav Cerovsky: Investigation of runaway electrons at Golem & runaway elec-
tron experiments with pellet injector at COMPASS
14:45-15:15 Coffee
15:15 Cristian Sommariva: Initial operation capabilities of the JET fast (visible) cam-
era shattered pellet injection shard tracker
16:30 SOFT research meeting organized by Mathias Hoppe in Nexus
16:00 Self-organized discussions for those not interested in SOFT (4112, lunchroom etc)
18:00 Pizza in the lunchroom.

                                               4
Friday

Discussion in parallel splinter sessions (90 mins).

9:15 Everyone: spontaneous comments and division into two parallel sessions
10:00-11:30 Splinter 1: Diagnostics (5102)
10:00-11:30 Splinter 2: Reduced kinetic (N6115)
11:30-12:15 Discussion in full group
12:15-13:45 Lunch break (Wijkanders)
14:00 Chang Liu: Compressional Alfvén waves excited by runaway electrons (remote
talk in Raven & Fox)
14:45-15:15 Coffee break
15:15-17:30 Discussion in full group

Lunches will be served at restaurant
Wijkanders (https://wijkanders.se/), Vera
Sandbergs allé 5B

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Practicalities

Contact Tünde +46 729 867440 or office +46 31 7723180
Anne (secretary) office +46 31 772 3374;

Hotel Please mail anne.seilonen@chalmers.se if you want to book a room in Hotel Po-
seidon (where many of the other participants are staying).

Transportation The cheapest way to get from the airport to the city center is to
use the airport bus. It leaves every 20 mins and takes about half an hour to get to
the city. The stop which is closest to Hotel Poseidon is Berzeliigatan. Tickets can be
bought online in advance or onboard (but only with credit cards). More info at: http:
//www.flygbussarna.se/en/landvetter.

Restaurants nearby The lunches (Tue-Fri) and the dinner on Wednesday is free of
charge for all participants. For the other meals: there are plenty of restaurants near
Avenyn and close to hotel Poseidon, and also a lot of pizzerias and sushi places along
Gibraltargatan. The following are just suggestions.

   • Smaka, Vasaplatsen 3, http://www.smaka.se/eng_meny.html

   • Krakow, Karl Gustavsgatan 28, http://www.krakow.nu/

   • Johannebar, Eklandagatan 65, http://www.johannebar.se/

   • Sjöbaren, Lorensbergsgatan 14 http://www.sjobaren.se/lorensberg/

   • Natur, Geijersgatan 12 https://www.restaurangnatur.se/

It is not far from the hotel to the university and the easiest way to get there is by walking
(15 min). For those who want to use public transportation, the easiest is to buy a tourist
and visitor card: http://www.vasttrafik.se/#!/en/2/6/ This is sold for example at
Korsvägen or at Seven Eleven at Vasaplatsen (close to the hotel).

A map of Göteborg can be found here: http://www.stadskartan.se/goteborg/

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Figure 1: The easiest route from the hotel (A) to Chalmers is via Aschebergsgatan. An
alternative is to take trams 7, 10 or bus 16 from Vasaplatsen to Kapellplatsen (just one
stop) or Chalmers station (one more).

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Figure 2: The two easiest ways to enter the building and access the PJ room, where the
meeting is located, are shown on the map.

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