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physics.plasm-ph2026
An analytical criterion for significant runaway electron generation in activated tokamaks
Björn Zaar, István Pusztai, Ida Ekmark +1
A disrupting plasma in a high-performance tokamak such as ITER or SPARC may generate large runaway electron currents that, upon impact with the tokamak wall, can cause serious dama…
physics.plasm-ph2026
Thermal modeling of runaway electron induced damage in the SPARC tokamak
T. Rizzi, K. Paschalidis, S. Ratynskaia +6
The integrity of plasma-facing components (PFCs) in tokamaks is critically challenged by transient events such as runaway electron (RE) impacts. We report the first systematic anal…
physics.plasm-ph2025
Runaway electron generation in disruptions mitigated by deuterium and noble gas injection in SPARC
I. Ekmark, M. Hoppe, R. A. Tinguely +3
One of the critical challenges in future high current tokamaks is the avoidance of runaway electrons during disruptions. Here, we investigate disruptions mitigated with combined de…