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\begin{center} |
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\caption{\label{tab:yields} Data yields and MC predictions after preselection, using the quoted NLO production cross sections $\sigma$. |
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The \ttll\ corrresponds to dilepton $t\bar{t}$, including |
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– |
$t \to W \to \ell$; \tttau\ corresponds to dilepton $t\bar{t}$ in which at least 1 $W$ decays via |
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$t \to W \to \tau \to \ell$; \ttfake\ includes all other $t\bar{t}$ decay modes. |
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The samples of MC $t\bar{t}$, $W^{\pm}$ + jets, and single-top events were |
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generated with \MADGRAPH. The Drell--Yan sample (which includes events with |
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\hline |
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Sample & $\sigma$ & $ee$ & $\mu\mu$ & $e\mu$ & total \\ |
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\hline |
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< |
\ttll & X & 120.1 $\pm$ 2.9 &133.1 $\pm$ 2.9 &320.3 $\pm$ 4.6 &573.5 $\pm$ 6.1 \\ |
| 33 |
< |
\tttau & X & 27.5 $\pm$ 1.4 & 33.3 $\pm$ 1.4 & 71.5 $\pm$ 2.2 &132.3 $\pm$ 3.0 \\ |
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> |
\ttll & 16.9 & 147.6 $\pm$ 3.2 &166.4 $\pm$ 3.2 &391.7 $\pm$ 5.1 &705.8 $\pm$ 6.8 \\ |
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\ttfake & 140.6 & 4.5 $\pm$ 0.6 & 1.3 $\pm$ 0.3 & 8.1 $\pm$ 0.7 & 13.9 $\pm$ 1.0 \\ |
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DY & 18417 & 6.6 $\pm$ 1.8 & 9.5 $\pm$ 2.1 & 13.4 $\pm$ 2.6 & 29.6 $\pm$ 3.8 \\ |
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\WW & 2.9 & 1.4 $\pm$ 0.2 & 1.5 $\pm$ 0.2 & 3.4 $\pm$ 0.2 & 6.3 $\pm$ 0.3 \\ |
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data & & 193 & 201 & 485 & 879 \\ |
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\hline |
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LM1 & 6.7 & 22.3 $\pm$ 0.6 & 24.8 $\pm$ 0.6 & 12.8 $\pm$ 0.4 & 59.9 $\pm$ 0.9 \\ |
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< |
LM3 & X & 5.2 $\pm$ 0.2 & 6.3 $\pm$ 0.2 & 9.0 $\pm$ 0.2 & 20.4 $\pm$ 0.4 \\ |
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> |
LM3 & 5.3 & 7.9 $\pm$ 0.3 & 9.6 $\pm$ 0.3 & 14.2 $\pm$ 0.4 & 31.7 $\pm$ 0.6 \\ |
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\hline |
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\end{tabular} |
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\end{center} |
