Experiments on Plasma Injection and Confinement in a Toroidal Octupole Magnetic Field |
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ARBRITARY UNITS BOTTOM WALL capacitor capacitor bank cell like structure central electrode coaxial gun constant along field convective cell CROWBAR D. M. Meade density profile e-folding electric field electron temperature electrostatic energy analyzer equilibrium Ex B drift FARADAY CUP Figure FLOATING POTENTIAL PROFILE fluctuations Fluids flux of particles guiding center GUN CURRENT gun is located GUN MUZZLE horizontal median plane INCHES inject plasma injected along field INJECTION ALONG MAGNETIC injection mode INNER SIDE WALL inverted density gradients ion energy spectrum ion saturation current lithium plasma magnetic field lines minor axis MSEC number of particles O-MODE OCTU POLE octupole magnetic field oscilloscope oscilloscope trace OUTER SIDE WALL particle flux Phys plasma is injected plasma lifetime Plasma Physics plasma source Poisson's Equation separatrix shown in Fig stable standard hydrogen plasma Teff TOP LID toroidal octupole magnetic transverse injection transverse mode USEC VERTICAL MEDIAN PLANE WALL DURING INJECTION z-direction Z₂-MODE