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@ARTICLE{Granetz:189399,
author = {Granetz, R. S. and Esposito, B. and Kim, J. H. and
Koslowski, Hans Rudolf and Lehnen, M. and Martin-Solis, J.
R. and Paz-Soldan, C. and Rhee, T. and Wesley, J. C. and
Zeng, L.},
title = {{A}n {ITPA} joint experiment to study runaway electron
generation and suppression},
journal = {Physics of plasmas},
volume = {21},
number = {7},
issn = {1089-7674},
address = {[S.l.]},
publisher = {American Institute of Physics},
reportid = {FZJ-2015-02566},
pages = {072506},
year = {2014},
abstract = {Recent results from an ITPA joint experiment to study the
onset, growth, and decay of relativistic electrons (REs)
indicate that loss mechanisms other than collisional damping
may play a dominant role in the dynamics of the RE
population, even during the quiescent I p flattop.
Understanding the physics of RE growth and mitigation is
motivated by the theoretical prediction that disruptions of
full-current (15 MA) ITER discharges could generate up to 10
MA of REs with 10–20 MeV energies. The ITPA MHD group is
conducting a joint experiment to measure the RE detection
threshold conditions on a number of tokamaks under
quasi-steady-state conditions in which V loop, n e, and REs
can be well-diagnosed and compared to collisional theory.
Data from DIII-D, C-Mod, FTU, KSTAR, and TEXTOR have been
obtained so far, and the consensus to date is that the
threshold E-field is significantly higher than predicted by
relativistic collisional theory, or conversely, the density
required to damp REs is significantly less than predicted,
which could have significant implications for RE mitigation
on ITER.},
cin = {IEK-4},
ddc = {530},
cid = {I:(DE-Juel1)IEK-4-20101013},
pnm = {135 - Plasma-wall interactions (POF2-135)},
pid = {G:(DE-HGF)POF2-135},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000341154100052},
doi = {10.1063/1.4886802},
url = {https://juser.fz-juelich.de/record/189399},
}