%info@http:://golem.fjfi.cvut.cz/wiki/root/GW4reports \def\GWslide{\slide{Ball pen probe measurements}{ \begin{itemize}{\itemsep=-2pt \topsep=-2pt \leftmargin=12pt} \im EEDF is bi-maxwellian in some cases, with tail characterized by higher $T_e$. \im The average electron temperature $T_e$ and coefficient $\alpha$ is independent for $B_{TOR} > 0.3$. \end{itemize} \vspace{-0.75em} \begin{center} \GWig{height=0.25\textwidth}{Experiments/EdgePlasmaPhysics/ParticleFlux/BallPenProbe/Slides/17HSatal/figs/ball00.png}\qquad \GWig{height=0.25\textwidth}{Experiments/EdgePlasmaPhysics/ParticleFlux/BallPenProbe/Slides/17HSatal/figs/ball_pen01.png}\qquad \GWig{height=0.25\textwidth}{Experiments/EdgePlasmaPhysics/ParticleFlux/BallPenProbe/Slides/17HSatal/figs/ball_pen02.png}\end{center}\vspace{-8pt} \textit{Left - Electron temperature versus the toroidal magnetic field in discharges \# 23447, 23449, 23450, 23451. Right - Plasma and floating potential and the resulting coefficient $\alpha$ versus $B_{TOR}$.} } }