Alcator C-Mod: Research in support of ITER and steps beyond Article Swipe

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Alcator C-Mod Mod Nuclear engineering Nuclear physics Tokamak Computer science Physics Plasma Engineering Artificial intelligence

E. S. Marmar , S. G. Baek , H. Barnard , P. Bonoli , D. Brunner , J. Candy , J. Canik , R.M. Churchill , I. Cziegler , G. Dekow , L. Delgado-Aparicio , A. Diallo , E. Edlund , P. Ennever , I. Faust , C. Fiore , C. Gao , T. Golfinopoulos , M. Greenwald , Z. S. Hartwig , C. Holland , A. E. Hubbard , J. W. Hughes , I. H. Hutchinson , J. Irby , B. LaBombard , Y. Lin , B. Lipschultz , A. Loarte , R. Mumgaard , R. R. Parker , M. Porkolab , M. L. Reinke , J. E. Rice , S. Scott , S. Shiraiwa , P. Snyder , B. Sorbom , D. Terry , J. L. Terry , C. Theiler , R. Vieira , J. R. Walk , G. M. Wallace , A. White , D. Whyte , S. M. Wolfe , G. M. Wright , J. Wright , S. J. Wukitch , P. Xu ·

YOU? · · 2021 · Open Access · · DOI: https://doi.org/10.7910/dvn/lxcxn9 · OA: W4292446124

This paper presents an overview of recent highlights from research on Alcator C-Mod. Significant progress has been made across all research areas over the last two years, with particular emphasis on divertor physics and power handling, plasma-material-interaction studies, ELM-suppressed pedestal dynamics, core transport and turbulence, and RF heating and current drive utilizing Ion Cyclotron and Lower Hybrid tools. Specific results of particular relevance to ITER include: inner wall SOL transport studies that have led, together with results from other experiments, to the change of the detailed shape of the inner wall in ITER; runaway electron studies showing that the critical electric field required for runaway generation is much higher than predicted from collisional theory; core tungsten impurity transport studies reveal that tungsten accumulation is naturally avoided in typical C-Mod conditions.