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TrainingCourses/FTTF/2022-2023/Andres/index_en

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%\usepackage{hyperref}

\section{Introduction}

\href{http://golem.fjfi.cvut.cz/wiki/Experiments/RunAwayElectronStudies/Library/CASTOR_GOLEM/Svoboda2019_Article_OperationalDomainInHydrogenPla.pdf}{RE Studies}
\begin{center}
 \includegraphics[width=0.5\textwidth]{https://upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Runaway_electron_dynamic_friction_in_air.svg/1200px-Runaway_electron_dynamic_friction_in_air.svg.png}
\end{center}

\href{https://commons.wikimedia.org/wiki/File:Paschen_curves.svg#/media/File:Paschen_curves.svg}{Paschen Law}
\begin{center}
 \includegraphics[width=0.5\textwidth]{https://upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Paschen_curves.svg/1200px-Paschen_curves.svg.png}
\end{center}

\includegraphics{https://upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Paschen_curves.svg/1200px-Paschen_curves.svg.png}
\href{https://en.wikipedia.org/wiki/Relativistic_runaway_electron_avalanche}{Relativistic runaway electron avalanche}\\
\href{http://golem.fjfi.cvut.cz/wiki/Experiments/RunAwayElectronStudies/Library/CASTOR_GOLEM/Svoboda2019_Article_OperationalDomainInHydrogenPla.pdf}{RE Studies}\\
\href{https://commons.wikimedia.org/wiki/File:Paschen_curves.svg#/media/File:Paschen_curves.svg}{Paschen Law}

\subsection{Aims}

Possible objectives:
\begin{itemize}
 \item Investigation of RE on H2 and Ar.
\end{itemize}

\section{Aparatus}

Possible diagnostics:
\begin{enumerate}
 \item Scintillation detector plus photo-multiplier (NaI(Tl), YAP(Ce)). Hits / deposited energy.
 \item PH32-based detector (Strip detector).
 \item Timepix (SXR + HXR? Timepix(3?) CdTe?)
 \item Dosimeters
 \item Cherenkov Detector?
 \item Spectrometer(s)
\end{enumerate}

Possible parameters:
\begin{enumerate}
 \item Pressure, keep low ($5\ mPa < P \leq 10\ mPa$, $14\ mPa$).
 \item Electric field, keep low for low Plasma current ($440 \geq E\ V$, $325\ V$).
 \item B field ($\sim 1300\ V$, $1200\ V$).
 \item Working gas (H2, Ar or He).
 \item Stabilization System.
\end{enumerate}

Reference shots: \href{http://golem.fjfi.cvut.cz/shots/29398/}{29398} \href{http://golem.fjfi.cvut.cz/shots/27762/}{27762} \href{http://golem.fjfi.cvut.cz/shots/27738/}{27738} \href{http://golem.fjfi.cvut.cz/shots/27745/}{27745} \href{http://golem.fjfi.cvut.cz/shots/27751/}{27751} \href{http://golem.fjfi.cvut.cz/shots/27756/}{27756} \href{http://golem.fjfi.cvut.cz/shots/27757/}{27757} \href{http://golem.fjfi.cvut.cz/shots/29364/}{29364} \href{http://golem.fjfi.cvut.cz/shots/31052/}{31052}

\section{Methodology}

Functional areas:
\begin{itemize}
 \item Background plasma characterization by means of electrostatic probes.
 \item Plasma column stabilization system.
 \item RE count and energy distribution measurements.
 \item Working gas manipulation.
\end{itemize}

Functional areas:
\begin{itemize}
 \item Background plasma characterization by means of electrostatic probes.
 \item Plasma column stabilization system.
 \item RE count and energy distribution measurements.
 \item Working gas manipulation.
\end{itemize}

Functional areas:
\begin{itemize}
 \item Background plasma characterization by means of electrostatic probes.
 \item Plasma column stabilization system.
 \item RE count and energy distribution measurements.
 \item Working gas manipulation.
\end{itemize}


Session schedule:
\begin{enumerate}
 \item Reference shot on H2.
 \item Several shots with different conditions, still on H2.
 \item Chamber conditioning from H2 to Ar.
 \item Several shots with similar conditions as 2 but for Ar.
\end{enumerate}