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%\title[GEANT4/EGS5]{GEANT4/EGS5}

\title{SVT L1--3 status}

\author{Sho Uemura}
\institute{SLAC}
\date[June 16, 2014]

\begin{document}

\begin{frame}
	\titlepage
\end{frame}

\begin{frame}{L1--3 supports}
	\begin{columns}
		\column{.55\textwidth}
		\begin{itemize}
			\item Prototype module support tested summer 2013
			\item Pivot moves smoothly during temperature changes
			\item Far end of sensor adequately cooled through pivot
		\end{itemize}

		\includegraphics[width=0.35\textwidth]{support_flex}
		\includegraphics[width=0.65\textwidth]{support_cooling}
		
		\column{.45\textwidth}
		\includegraphics[width=\textwidth]{support_drawing}
		
		\includegraphics[width=\textwidth]{support_proto}
		
	\end{columns}
\end{frame}

\begin{frame}{Disassembly of test run tracker}
	\begin{columns}
		\column{.55\textwidth}
		\begin{itemize}
			\item Unmount modules, unpair half-modules, clean and mount on storage plates
			\item 10/20 half-modules processed, starting with L3-5 (fewest bad channels)
		\end{itemize}

		
		\column{.45\textwidth}
		\includegraphics[width=\textwidth]{svt_tim}
		
		
	\end{columns}
		\includegraphics[width=0.3\textwidth]{disassembled}
		\includegraphics[width=0.2\textwidth]{gunk}
		\includegraphics[width=0.3\textwidth]{supportplates}
		\includegraphics[width=0.2\textwidth]{cooling}

\end{frame}

\begin{frame}{QA, round 2}
	\begin{itemize}
		\item 30 half-modules built for test run: 1 prototype (``gimp''), 20 used, 9 spares
		\item Need 12 half-modules
		\item QA goals:
			\begin{itemize}
				\item Bad channels in test run data: distinguish between actual half-module defects and bad runs (DAQ issues)
				\item Re-QA all half-modules with better understanding, less time pressure, more consistency (full pulse shape cal for all channels, room T and cold)
			\end{itemize}
		\item 14 half-modules QA-ed; 7 perfect (no bad channels)
	\end{itemize}
\end{frame}

\begin{frame}{Side project: laser test stand}
	\begin{columns}
		\column{.55\textwidth}
		\begin{itemize}
			\item APV25 internal calibration circuit poorly calibrated for absolute gain
			\item Cd-109 source provides gain calibration, but very low rate
			\item Laser test stand built at SLAC last decade but never set up; setup mostly completed last fall
				\begin{itemize}
					\item 3-axis motion with micron precision in X and Y
					\item Pulser with 2-50 ns pulse width
					\item Laser diodes and diffraction-limited optics for 840 and 1060 nm
					\item Zero to 200 MIPs into single strips
				\end{itemize}
			\item Not necessary for HPS, but very close to being useful
		\end{itemize}


		\column{.45\textwidth}
		\includegraphics[width=\textwidth]{laserzap}


	\end{columns}
\end{frame}

\end{document}

