Physics of runaway electrons in tokamaks

BN Breizman, P Aleynikov, EM Hollmann… - Nuclear …, 2019 - iopscience.iop.org
Of all electrons, runaway electrons have long been recognized in the fusion community as a
distinctive population. They now attract special attention as a part of ITER mission …

Runaway electron experiments at COMPASS in support of the EUROfusion ITER physics research

J Mlynar, O Ficker, E Macusova… - Plasma Physics and …, 2018 - iopscience.iop.org
The role of the COMPASS tokamak in research of generation, confinement and losses of
runaway electron (RE) population is presented. Recently, two major groups of experiments …

Spatiotemporal analysis of the runaway distribution function from synchrotron images in an ASDEX Upgrade disruption

M Hoppe, L Hesslow, O Embreus… - Journal of Plasma …, 2021 - cambridge.org
Synchrotron radiation images from runaway electrons (REs) in an ASDEX Upgrade
discharge disrupted by argon injection are analysed using the synchrotron diagnostic tool …

Recent progress on the control and mitigation of runaway electrons and disruption prediction in the HL-2A and J-TEXT tokamaks

YP Zhang, RH Tong, ZY Yang, ZY Chen, D Hu… - Reviews of Modern …, 2023 - Springer
The runaway electrons (REs) during disruptions are a crucial problem, especially for the
future large-scale tokamaks, which is due to the local impact of RE beams and the large …

Expulsion of runaway electrons using ECRH in the TCV tokamak

J Decker, M Hoppe, U Sheikh, BP Duval, G Papp… - Nuclear …, 2024 - iopscience.iop.org
Runaway electrons (REs) are a concern for tokamak fusion reactors from discharge startup
to termination. A sudden localized loss of a multi-megaampere RE beam can inflict severe …

Spatiotemporal evolution of runaway electrons from synchrotron images in Alcator C-Mod

RA Tinguely, RS Granetz, M Hoppe… - Plasma Physics and …, 2018 - iopscience.iop.org
Abstract In the Alcator C-Mod tokamak, relativistic runaway electron (RE) generation can
occur during the flattop current phase of low density, diverted plasma discharges. Due to the …

Electron runaway in ASDEX Upgrade experiments of varying core temperature

O Linder, G Papp, E Fable, F Jenko… - Journal of Plasma …, 2021 - cambridge.org
The formation of a substantial postdisruption runaway electron current in ASDEX Upgrade
material injection experiments is determined by avalanche multiplication of a small seed …

[HTML][HTML] Synthetic measurements of runaway electron synchrotron emission in the SPARC tokamak

RA Tinguely, AM Rosenthal, M Silva Sa… - Review of Scientific …, 2024 - pubs.aip.org
With plasma currents up to 8.7 MA, the SPARC tokamak runs the risk of forming multi-MA
beams of relativistic “runaway” electrons (REs), which could damage plasma facing …

A summary of the 10th Asia-Pacific Transport Working Group (APTWG) meeting

W Lee, Q Zou, N Wu, GJ Choi, JQ Xu, KN Geng… - Nuclear …, 2024 - iopscience.iop.org
This conference report summarizes contributed papers and discussions presented at the
10th Asia-Pacific Transport Working Group (APTWG) held at Hanyang University, Seoul …

Development of an infrared diagnostic system with multi-spectrum or high frame rate for measuring the synchrotron radiation emitted by runaway electrons on EAST

Y Zhang, R Zhou, L Hu, S Lin, X Yang - Fusion Engineering and Design, 2025 - Elsevier
In order to meet the requirements for high frame rate and synchrotron radiation spectrum of
infrared diagnostic systems when studying runaway electron, an infrared diagnostic system …