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 …

Demonstration of safe termination of megaampere relativistic electron beams in tokamaks

C Reux, C Paz-Soldan, P Aleynikov, V Bandaru… - Physical Review Letters, 2021 - APS
For the first time it is experimentally demonstrated on the JET tokamak that a combination of
a low impurity concentration bulk plasma and large magnetohydrodynamic instabilities is …

[HTML][HTML] Plasma-wall interaction impact of the ITER re-baseline

RA Pitts, A Loarte, T Wauters, M Dubrov… - Nuclear Materials and …, 2025 - Elsevier
To mitigate the impact of technical delays, provide a more rationalized approach to the
safety demonstration and move forward as rapidly as possible to a reactor relevant materials …

Overview of the JET results in support to ITER

X Litaudon, S Abduallev, M Abhangi, P Abreu… - Nuclear …, 2017 - iopscience.iop.org
The European nuclear fusion research community has elaborated a Roadmap to the
realisation of fusion energy in which 'ITER is the key facility and its success is the most …

[HTML][HTML] Design of the shattered pellet injection system for ASDEX Upgrade

M Dibon, P de Marné, G Papp, I Vinyar… - Review of Scientific …, 2023 - pubs.aip.org
A new shattered pellet injection system was designed and built to perform disruption
mitigation experiments on ASDEX Upgrade. The system can inject pellets with diameters of …

A novel path to runaway electron mitigation via deuterium injection and current-driven MHD instability

C Paz-Soldan, C Reux, K Aleynikova… - Nuclear …, 2021 - iopscience.iop.org
Relativistic electron (RE) beams at high current density (low safety factor, qa) yet very low
free-electron density accessed with D 2 secondary injection in the DIII-D and JET tokamak …