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\end{center} |
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|
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\noindent This selection preserves about 1\% of the $t\bar{t}$ |
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signal, giving an expected total SM yield of 1.4 events in 35 pb$^{-1}$ |
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The expectations from the LMO and LM1 SUSY benchmark points are 6.5 and |
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2.6 events respectively. |
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signal. As shown in Table~\ref{tab:sigyield}, the expected total SM yield in 35 pb$^{-1}$ is 1.3 events, |
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while the expectations from the LMO and LM1 SUSY benchmark points are 6.3 and |
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2.6 events, respectively. |
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|
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|
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We cut on \met$/\sqrt{\rm SumJetPt}$ rather than \met |
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largely uncorrelated for the dominant $t\bar{t}$ background. |
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This allows us to use a data driven ABCD method to estimate the |
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background (see Section~\ref{sec:abcd}). |
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|
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|
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|
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|
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\begin{table}[hbt] |
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\begin{center} |
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\caption{\label{tab:sigyield} MC expected yields in the signal region for 34.0~pb$^{-1}$. |
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The errors are statistical only.} |
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\begin{tabular}{lcccc} |
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%%%official json v3, 33.96/pb, 38X MC (D6T for ttbar and DY) |
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\hline |
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Sample & $ee$ & $\mu\mu$ & $e\mu$ & tot \\ |
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\hline |
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$t\bar{t}\rightarrow \ell^{+}\ell^{-}$ & 0.28 $\pm$ 0.03 & 0.22 $\pm$ 0.03 & 0.57 $\pm$ 0.05 & 1.07 $\pm$ 0.06 \\ |
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$t\bar{t}\rightarrow \mathrm{other}$ & 0.01 $\pm$ 0.01 & 0.00 $\pm$ 0.00 & 0.01 $\pm$ 0.01 & 0.02 $\pm$ 0.01 \\ |
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$Z^0 \rightarrow \ell^{+}\ell^{-}$ & 0.04 $\pm$ 0.04 & 0.04 $\pm$ 0.04 & 0.04 $\pm$ 0.04 & 0.12 $\pm$ 0.07 \\ |
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$W^{\pm}$ + jets & 0.00 $\pm$ 0.00 & 0.00 $\pm$ 0.00 & 0.00 $\pm$ 0.00 & 0.00 $\pm$ 0.00 \\ |
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$W^+W^-$ & 0.00 $\pm$ 0.00 & 0.01 $\pm$ 0.00 & 0.02 $\pm$ 0.01 & 0.03 $\pm$ 0.01 \\ |
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$W^{\pm}Z^0$ & 0.00 $\pm$ 0.00 & 0.00 $\pm$ 0.00 & 0.00 $\pm$ 0.00 & 0.00 $\pm$ 0.00 \\ |
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$Z^0Z^0$ & 0.00 $\pm$ 0.00 & 0.00 $\pm$ 0.00 & 0.00 $\pm$ 0.00 & 0.00 $\pm$ 0.00 \\ |
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single top & 0.00 $\pm$ 0.00 & 0.00 $\pm$ 0.00 & 0.01 $\pm$ 0.00 & 0.01 $\pm$ 0.00 \\ |
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\hline |
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total SM MC & 0.34 $\pm$ 0.05 & 0.28 $\pm$ 0.05 & 0.65 $\pm$ 0.06 & 1.27 $\pm$ 0.10 \\ |
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\hline |
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data & 0 & 0 & 1 & 1 \\ |
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\hline |
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LM0 & 1.71 $\pm$ 0.10 & 2.05 $\pm$ 0.11 & 2.36 $\pm$ 0.12 & 6.12 $\pm$ 0.19 \\ |
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LM1 & 0.87 $\pm$ 0.03 & 1.08 $\pm$ 0.03 & 0.55 $\pm$ 0.02 & 2.50 $\pm$ 0.04 \\ |
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\hline |
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\end{tabular} |
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\end{center} |
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\end{table} |