%info@http:://golem.fjfi.cvut.cz/wiki/root/GW4reports \def\GWslide{\slide{REs@GOLEM: Critical value of the electric field E$_{\textrm{theor}}$}{ \begin{itemize}{\itemsep=-2pt \topsep=-2pt \leftmargin=0pt} \im Low electron density (4 - 6$ \cdot $ 10$ ^{18} $ m$ ^{-3} $) and relatively high loop voltage (4-6 V) $ \rightarrow $ RE generation \im Improving plasma performance with the session progress. \im Underestimation of the E$_{\textrm{theor}} $ critical value by 3-10 times. \end{itemize} \vspace{-0.75em} \begin{center} \def\figw{0.3\textwidth} \GWig{height=\figw}{Experiments/RunAwayElectronStudies/Slides/0618JarCer/figs/fig_01.png}\qquad % \includegraphics[height=0.22\textwidth]{figs/fig_02.png}\qquad \GWig{height=\figw}{Experiments/RunAwayElectronStudies/Slides/0618JarCer/figs/REthreshold.png}\end{center}\vspace{-8pt} \textit{Left %and Mid - Evolution of the mean HXR intensity %and mean $ \mathrm{U}_{\mathrm{loop}} $ during the chosen sequence of discharges. Right - Comparison of theoretical and experimentally measured values of the critical electric field; 1: $ \# $25292, 2: $ \# $25508, 3: $ \# $25506, 4: $ \# $25507, 5: $ \# $25505.} }}