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from Reference~\cite{ref:xsec}. |
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As anticipated, the MC predicts |
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that the preselection is dominated by $t\bar{t}$. The data yield is |
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in good agreement with the prediction. |
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in good agreement with the prediction. Also shown are the yields for LM0 |
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and LM1, two of the LM points which are benchmarks for SUSY analyses at CMS. |
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|
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|
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\begin{table}[htb] |
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\begin{center} |
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\caption{\label{tab:yields} Data and Monte Carlo yields (34.85~pb$^{-1}$) for the preselection. |
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($t\bar{t}\rightarrow \ell^{+}\ell^{-}$corrresponds to dileptonic $t\bar{t}$ including |
| 17 |
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$t \to W \to \tau \to \ell$, |
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$t\bar{t}\rightarrow \mathrm{other}$ are all other $t\bar{t}$ modes).} |
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($t\bar{t}\rightarrow \ell^{+}\ell^{-}$ corrresponds to dileptonic $t\bar{t}$ including |
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$t \to W \to \tau \to \ell$, $t\bar{t}\rightarrow \mathrm{other}$ are all other $t\bar{t}$ modes).} |
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\begin{tabular}{ccccc} |
| 19 |
+ |
|
| 20 |
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\hline |
| 21 |
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Sample & $ee$ & $\mu\mu$ & $e\mu$ & tot \\ |
| 22 |
|
\hline |
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$t\bar{t}\rightarrow \ell^{+}\ell^{-}$ & 14.85 $\pm$ 0.23 & 17.61 $\pm$ 0.26 & 40.40 $\pm$ 0.39 & 72.85 $\pm$ 0.52 \\ |
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$t\bar{t}\rightarrow \mathrm{other}$ & 0.53 $\pm$ 0.04 & 0.24 $\pm$ 0.03 & 0.96 $\pm$ 0.06 & 1.74 $\pm$ 0.08 \\ |
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< |
$Z^0$ + jets & 0.77 $\pm$ 0.24 & 1.00 $\pm$ 0.28 & 0.69 $\pm$ 0.23 & 2.47 $\pm$ 0.44 \\ |
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$W^{\pm}$ + jets & 0.19 $\pm$ 0.14 & 0.00 $\pm$ 0.00 & 0.10 $\pm$ 0.10 & 0.29 $\pm$ 0.17 \\ |
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$W^+W^-$ & 0.17 $\pm$ 0.05 & 0.21 $\pm$ 0.05 & 0.41 $\pm$ 0.07 & 0.79 $\pm$ 0.10 \\ |
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$W^{\pm}Z^0$ & 0.04 $\pm$ 0.02 & 0.03 $\pm$ 0.01 & 0.05 $\pm$ 0.02 & 0.13 $\pm$ 0.03 \\ |
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$Z^0Z^0$ & 0.02 $\pm$ 0.00 & 0.01 $\pm$ 0.00 & 0.02 $\pm$ 0.01 & 0.04 $\pm$ 0.01 \\ |
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single top & 0.47 $\pm$ 0.02 & 0.51 $\pm$ 0.02 & 1.15 $\pm$ 0.03 & 2.14 $\pm$ 0.04 \\ |
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$t\bar{t}\rightarrow \ell^{+}\ell^{-}$ & 14.21 $\pm$ 0.23 & 17.16 $\pm$ 0.25 & 40.50 $\pm$ 0.39 & 71.87 $\pm$ 0.52 \\ |
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$t\bar{t}\rightarrow \mathrm{other}$ & 0.48 $\pm$ 0.04 & 0.21 $\pm$ 0.03 & 1.00 $\pm$ 0.06 & 1.69 $\pm$ 0.08 \\ |
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$Z^0 \rightarrow \ell^{+}\ell^{-}$ & 1.33 $\pm$ 0.27 & 1.51 $\pm$ 0.28 & 1.57 $\pm$ 0.29 & 4.41 $\pm$ 0.49 \\ |
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$W^{\pm}$ + jets & 0.19 $\pm$ 0.14 & 0.00 $\pm$ 0.00 & 0.10 $\pm$ 0.10 & 0.29 $\pm$ 0.17 \\ |
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$W^+W^-$ & 0.15 $\pm$ 0.01 & 0.16 $\pm$ 0.02 & 0.38 $\pm$ 0.02 & 0.70 $\pm$ 0.03 \\ |
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$W^{\pm}Z^0$ & 0.03 $\pm$ 0.00 & 0.02 $\pm$ 0.00 & 0.04 $\pm$ 0.00 & 0.09 $\pm$ 0.00 \\ |
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$Z^0Z^0$ & 0.01 $\pm$ 0.00 & 0.02 $\pm$ 0.00 & 0.02 $\pm$ 0.00 & 0.05 $\pm$ 0.00 \\ |
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single top & 0.47 $\pm$ 0.02 & 0.56 $\pm$ 0.02 & 1.28 $\pm$ 0.03 & 2.31 $\pm$ 0.04 \\ |
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|
\hline |
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total SM MC & 17.04 $\pm$ 0.37 & 19.62 $\pm$ 0.38 & 43.79 $\pm$ 0.47 & 80.45 $\pm$ 0.71 \\ |
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total SM MC & 16.88 $\pm$ 0.38 & 19.64 $\pm$ 0.38 & 44.88 $\pm$ 0.50 & 81.40 $\pm$ 0.74 \\ |
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|
\hline |
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data & 18 & 23 & 45 & 86 \\ |
| 34 |
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data & 18 & 23 & 45 & 86 \\ |
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|
\hline |
| 36 |
< |
LM0 & 8.15 $\pm$ 0.23 & 9.34 $\pm$ 0.25 & 12.64 $\pm$ 0.29 & 30.12 $\pm$ 0.44 \\ |
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LM1 & 1.81 $\pm$ 0.04 & 2.04 $\pm$ 0.04 & 1.03 $\pm$ 0.03 & 4.89 $\pm$ 0.06 \\ |
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LM0 & 7.49 $\pm$ 0.22 & 8.81 $\pm$ 0.23 & 12.08 $\pm$ 0.27 & 28.38 $\pm$ 0.42 \\ |
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LM1 & 1.71 $\pm$ 0.04 & 2.06 $\pm$ 0.04 & 1.06 $\pm$ 0.03 & 4.83 $\pm$ 0.06 \\ |
| 38 |
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\hline |
| 39 |
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\end{tabular} |
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\end{center} |
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\end{table} |
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– |
|
