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\section{Anatomy of the candidate event}
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\label{sec:cand}
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The candidate event is an $e\mu + 3$ jets event (run=148864, lumi=225,
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event=267767817). A summary of the objects in the event is given in
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Table~\ref{tab:cand1}; event displays are in Figure~\ref{fig:cand1}.
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The {\tt ParticleFlow} and {\tt tcMet/JPT} reconstructions of
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jets and \met are very consistent. The event shows a clear back
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to back topology, as would be expected from a $t\bar{t}$ event
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with high $M(t\bar{t})$ (but any statement on the origin of this
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event is just a speculation, of course).
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\begin{table}[htb]
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\begin{center}
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\caption{\label{tab:cand1} Summary of the objects in the candidate event.}
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\begin{tabular}{|l|c|c|c|c|c|}
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\hline
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& $P_T$ (GeV) & $\eta$ & $\phi$ & b-tagged? & value \\ \hline
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muon & 136. & 0.046 & -0.206 & & \\
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electron & 88 & 0.389 & 2.529 & & \\ \hline
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Jet 1 (jpt) & 267 & -0.161 & 2.709 & ?? & \\
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Jet 2 (jpt) & 42 & 0.786 & -0.739 & ?? & \\
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Jet 3 (jpt) & 40 & 0.192 & -1.025 & ?? & \\
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SumJetPt (jpt) & & & & & 350 GeV \\ \hline
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Jet 1 (pf) & 263 & -0.165 & 2.709 & ?? & \\
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Jet 2 (pf) & 49 & 0.727 & -0.723 & ?? & \\
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Jet 3 (pf) & 34 & 0.117 & -1.020 & ?? & \\
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SumJetPt (pf) & & & & & 347 GeV \\ \hline
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tcMET & 198 & & -0.557 & & \\
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pfMET & 194 & & -0.503 & & \\ \hline
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$P_T(\ell\ell)$& 65 & & ?? & & \\
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$M(\ell\ell)$ & & & & & 217 GeV \\
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MT2 (tcMet) & & & & & 42 GeV \\
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MT2J (tc$+$JPT)& & & & & 97 GeV \\
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Mass (tc$+$JPT)& & & & & ?? \\
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Meff (tc$+$JPT)& & & & & ?? \\
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\hline
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\end{tabular}
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\end{center}
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\end{table}
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\begin{figure}[tbh]
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\begin{center}
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\includegraphics[width=0.6\linewidth]{OSG_3D.png}
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\includegraphics[width=0.6\linewidth]{OSG_lego.png}
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\includegraphics[width=0.6\linewidth]{OSG_rphi.png}
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\caption{\label{fig:cand1}Event display for the candidate event.}
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\end{center}
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\end{figure}
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\clearpage |
