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The results of the search are shown in
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Table~\ref{tab:result}, including both statistical and systematic
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uncertainties. Agreement is observed between the data and the
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predicted background for all signal regions.
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The predicted and observed \met\ distribution for $\met>150$ GeV and
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$\mt>120$ GeV are shown in Figure~\ref{fig:resultsummary}, obtained
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from the yields for SRB to SRG. Two signal points are shown for comparison,
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corresponding to the low and high stop mass sensitivity
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boundaries for this search. This shows that the lower \met\ region is
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more sensitive to lighter stop signals, while the higher \met\
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region is more sensitive to heavier stops, for the T2tt signal model
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shown. The $M_T$ distributions for increasing values of \met\
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are shown in Fig~\ref{fig:mtsig1} and \ref{fig:mtsig2}.
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\input{results_table.tex}
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\begin{table}[!h]
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\begin{center}
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\begin{tabular}{l|c|c|c|c|c|c|c}
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\hline
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\hline
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& SRA & SRB & SRC & SRD & SRE & SRF & SRG \\
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\hline
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Minimum \mt\ [GeV] & 150 & 120 & 120 & 120 & 120 & 120 & 120 \\
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Minimum \met\ [GeV] & 100 & 150 & 200 & 250 & 300 & 350 & 400 \\
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\hline
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Total background & $927\pm138$ & $504\pm65$ & $161\pm26$ & $56\pm12$ & $22\pm7$ & $10\pm3.0$ & $5.7\pm2.2$ \\
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Data & 861 & 456 & 150 & 61 & 23 & 9 & 3 \\
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\hline
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\hline
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\end{tabular}
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\caption{ Condensed version of the results presented in Table~\ref{tab:result}
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\label{tab:result_small}}
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\end{center}
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\end{table}
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\begin{figure}[hbt]
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\begin{center}
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\includegraphics[width=0.75\linewidth]{plots/summaryPlot.pdf}
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\caption{Predicted and observed \met\ for $\mt>120$ GeV, obtained
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from the yields for SRB to SRG. Note SRB corresponds to the integral
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of the distribution, while subsequent signal regions SRC to SRG
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correspond to integrals from subsequent bins. The band on the
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ratio (above) corresponds to the full relative background
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uncertainty.
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\label{fig:resultsummary}
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}
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\end{center}
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\end{figure}
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\begin{figure}[hbt]
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\begin{center}
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\includegraphics[width=0.5\linewidth]{plots/mt_met100_emucomb.pdf}%
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\includegraphics[width=0.5\linewidth]{plots/mt_met150_emucomb.pdf}
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\includegraphics[width=0.5\linewidth]{plots/mt_met200_emucomb.pdf}%
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\includegraphics[width=0.5\linewidth]{plots/mt_met250_emucomb.pdf}
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\caption{$M_T$ in the data compared to SM Monte Carlo, for
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increasing values of \met. Only statistical uncertainties are
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shown. Note that the MC tails have not
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been rescaled at this point.
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\label{fig:mtsig1}
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}
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\end{center}
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\end{figure}
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\begin{figure}[hbt]
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\begin{center}
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\includegraphics[width=0.5\linewidth]{plots/mt_met300_emucomb.pdf}%
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\includegraphics[width=0.5\linewidth]{plots/mt_met350_emucomb.pdf}
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\includegraphics[width=0.5\linewidth]{plots/mt_met400_emucomb.pdf}
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\caption{$M_T$ in the data compared to SM Monte Carlo, for
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increasing values of \met. Only statistical uncertainties are
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shown. Note that the MC tails have not
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been rescaled at this point.
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\label{fig:mtsig2}
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}
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\end{center}
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\end{figure}
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\clearpage
|