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Title: Physics of runaway electrons in tokamaks

Journal Article · · Nuclear Fusion
 [1];  [2];  [3];  [4]
  1. Univ. of Texas, Austin, TX (United States); The University of Texas at Austin
  2. Max-Planck-Inst. für Plasmaphysik, Greifswald (Germany)
  3. Univ. of California - San Diego, La Jolla, CA (United States)
  4. ITER Organization, St Paul Lez Durance (France)

This review covers basic physics ingredients of the runaway phenomenon and the ongoing efforts (experimental and theoretical) aimed at runaway electron taming in the next generation tokamaks. We emphasize the prevailing physics themes of the last 20 years: the hot-tail mechanism of runaway production, runaway electron interaction with impurity ions, the role of synchrotron radiation in runaway kinetics, runaway electron transport in presence of magnetic fluctuations, micro-instabilities of runaway electrons in magnetized plasmas, and vertical stability of the plasma with runaway electrons. Here, the review also discusses the implications of the runaway phenomenon for ITER and the current strategy of runaway electron mitigation.

Research Organization:
Univ. of Texas, Austin, TX (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Fusion Energy Sciences (FES) (SC-24); ITER Organization
Grant/Contract Number:
SC0016283; FG02-04ER54742
OSTI ID:
1595259
Journal Information:
Nuclear Fusion, Journal Name: Nuclear Fusion Journal Issue: 8 Vol. 59; ISSN 0029-5515
Publisher:
IOP ScienceCopyright Statement
Country of Publication:
United States
Language:
English

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The JOREK non-linear extended MHD code and applications to large-scale instabilities and their control in magnetically confined fusion plasmas text January 2020
Evaluation of the Dreicer runaway generation rate in the presence of high- impurities using a neural network journal December 2019
Effect of plasma elongation on current dynamics during tokamak disruptions journal January 2020
MeV range particle physics studies in tokamak plasmas using gamma-ray spectroscopy journal November 2019
Dissipation of runaway current by massive gas injection on J-TEXT journal November 2019
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