Collisionless fast-particle confinement in high-{beta} W7-X equilibria

Fast-particle collisionless confinement in Wendelstein 7-X is revisited exploring the configurational space given by the currents in the modular and auxiliary coils and a two-parameter pressure profile. Preliminary results indicate that at Left-Pointing-Angle-Bracket {beta} Right-Pointing-Angle-Brac...

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Veröffentlicht in:	Plasma physics reports 2011-05, Vol.37 (5)
Hauptverfasser:	Mikhailov, M. I., Nuehrenberg, J., Strumberger, E., Zille, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY COLLISIONAL PLASMA ELECTRIC CURRENTS EQUILIBRIUM HIGH-BETA PLASMA LOSS CONE PLASMA CONFINEMENT WENDELSTEIN-7 STELLARATOR
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Beschreibung
Zusammenfassung:	Fast-particle collisionless confinement in Wendelstein 7-X is revisited exploring the configurational space given by the currents in the modular and auxiliary coils and a two-parameter pressure profile. Preliminary results indicate that at Left-Pointing-Angle-Bracket {beta} Right-Pointing-Angle-Bracket {approx} 0.04 the core-plasma loss cone usually present in stellarators can be approximately eliminated.
ISSN:	1063-780X 1562-6938
DOI:	10.1134/S1063780X11050084